{"id":123,"date":"2024-03-09T23:37:07","date_gmt":"2023-08-20T19:15:01","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/java%e4%b8%ad%e7%9a%84%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86\/"},"modified":"2025-08-01T00:18:10","modified_gmt":"2025-07-31T16:18:10","slug":"java%e4%b8%ad%e7%9a%84%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86\/","title":{"rendered":"Java\u5f02\u5e38\u5904\u7406\uff1a\u4ece\u57fa\u7840\u5230\u6700\u4f73\u5b9e\u8df5\uff0c\u63d0\u5347\u4ee3\u7801\u5065\u58ee\u6027"},"content":{"rendered":"<h3>\u5f15\u8a00<\/h3>\n<p>\u5f02\u5e38\u662f\u5728\u7a0b\u5e8f\u6267\u884c\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u53d1\u751f\u7684\u9519\u8bef\u4e8b\u4ef6\uff0c\u4f1a\u4e2d\u65ad\u5176\u6b63\u5e38\u6d41\u7a0b\u3002Java \u63d0\u4f9b\u4e86\u4e00\u79cd\u5f3a\u5927\u4e14\u9762\u5411\u5bf9\u8c61\u7684\u5904\u7406\u5f02\u5e38\u60c5\u51b5\u7684\u65b9\u5f0f\uff0c\u79f0\u4e3a Java \u5f02\u5e38\u5904\u7406\u3002<\/p>\n<p>Java \u4e2d\u7684\u5f02\u5e38\u53ef\u4ee5\u51fa\u73b0\u5728\u4e0d\u540c\u7684\u60c5\u51b5\u4e0b\uff0c\u6bd4\u5982\u7528\u6237\u8f93\u5165\u9519\u8bef\u7684\u6570\u636e\u3001\u786c\u4ef6\u6545\u969c\u3001\u7f51\u7edc\u8fde\u63a5\u5931\u8d25\u6216\u8005\u6570\u636e\u5e93\u670d\u52a1\u5668\u5b95\u673a\u3002\u5728\u7279\u5b9a\u5f02\u5e38\u60c5\u51b5\u4e0b\u6307\u5b9a\u8981\u6267\u884c\u7684\u4ee3\u7801\u88ab\u79f0\u4e3a\u5f02\u5e38\u5904\u7406\u3002<\/p>\n<h2>\u629b\u51fa\u548c\u6355\u83b7\u5f02\u5e38<\/h2>\n<p>\u5f53\u6267\u884c\u8bed\u53e5\u65f6\u53d1\u751f\u9519\u8bef\uff0cJava \u4f1a\u521b\u5efa\u4e00\u4e2a\u5f02\u5e38\u5bf9\u8c61\u3002\u8be5\u5f02\u5e38\u5bf9\u8c61\u5305\u542b\u8bb8\u591a\u8c03\u8bd5\u4fe1\u606f\uff0c\u5982\u65b9\u6cd5\u5c42\u6b21\u7ed3\u6784\u3001\u5f02\u5e38\u53d1\u751f\u7684\u884c\u53f7\u548c\u5f02\u5e38\u7c7b\u578b\u3002<\/p>\n<p>\u5982\u679c\u5728\u4e00\u4e2a\u65b9\u6cd5\u4e2d\u53d1\u751f\u4e86\u5f02\u5e38\uff0c\u521b\u5efa\u5f02\u5e38\u5bf9\u8c61\u5e76\u5c06\u5176\u4f20\u9012\u7ed9\u8fd0\u884c\u65f6\u73af\u5883\u7684\u8fc7\u7a0b\u88ab\u79f0\u4e3a\u201c\u629b\u51fa\u5f02\u5e38\u201d\u3002\u7a0b\u5e8f\u7684\u6b63\u5e38\u6d41\u7a0b\u505c\u6b62\uff0cJava \u8fd0\u884c\u65f6\u73af\u5883\uff08JRE\uff09\u5c1d\u8bd5\u627e\u5230\u5904\u7406\u8be5\u5f02\u5e38\u7684\u5904\u7406\u7a0b\u5e8f\u3002\u5f02\u5e38\u5904\u7406\u5668\u662f\u80fd\u591f\u5904\u7406\u5f02\u5e38\u5bf9\u8c61\u7684\u4ee3\u7801\u5757\u3002<\/p>\n<ul class=\"post-ul\">\n<li>\u67e5\u627e\u5f02\u5e38\u5904\u7406\u7a0b\u5e8f\u7684\u903b\u8f91\u4ece\u53d1\u751f\u9519\u8bef\u7684\u65b9\u6cd5\u5f00\u59cb\u3002<\/li>\n<li>\u5982\u679c\u6ca1\u6709\u627e\u5230\u5408\u9002\u7684\u5904\u7406\u7a0b\u5e8f\uff0c\u5b83\u5c06\u79fb\u52a8\u5230\u8c03\u7528\u8be5\u65b9\u6cd5\u7684\u65b9\u6cd5\u3002<\/li>\n<li>\u4f9d\u6b64\u7c7b\u63a8\u3002<\/li>\n<\/ul>\n<p>\u6240\u4ee5\u5982\u679c\u65b9\u6cd5\u7684\u8c03\u7528\u5806\u6808\u662f A->B->C\uff0c\u5e76\u4e14\u5728\u65b9\u6cd5 C \u4e2d\u5f15\u53d1\u4e86\u4e00\u4e2a\u5f02\u5e38\uff0c\u90a3\u4e48\u5bfb\u627e\u9002\u5f53\u7684\u5904\u7406\u7a0b\u5e8f\u5c06\u4f1a\u4ece C->B->A \u8fdb\u884c\u79fb\u52a8\u3002<\/p>\n<p>\u5982\u679c\u627e\u5230\u4e86\u5408\u9002\u7684\u5f02\u5e38\u5904\u7406\u7a0b\u5e8f\uff0c\u5f02\u5e38\u5bf9\u8c61\u5c06\u88ab\u4f20\u9012\u7ed9\u5904\u7406\u7a0b\u5e8f\u8fdb\u884c\u5904\u7406\u3002\u5904\u7406\u7a0b\u5e8f\u88ab\u79f0\u4e3a\u201c\u6355\u83b7\u5f02\u5e38\u201d\u3002\u5982\u679c\u6ca1\u6709\u627e\u5230\u5408\u9002\u7684\u5f02\u5e38\u5904\u7406\u7a0b\u5e8f\uff0c\u7a0b\u5e8f\u5c06\u7ec8\u6b62\u5e76\u5c06\u5f02\u5e38\u4fe1\u606f\u6253\u5370\u5230\u63a7\u5236\u53f0\u3002<\/p>\n<p>Java \u5f02\u5e38\u5904\u7406\u6846\u67b6\u4ec5\u7528\u4e8e\u5904\u7406\u8fd0\u884c\u65f6\u9519\u8bef\u3002\u7f16\u8bd1\u65f6\u9519\u8bef\u5fc5\u987b\u7531\u7f16\u5199\u4ee3\u7801\u7684\u5f00\u53d1\u4eba\u5458\u8fdb\u884c\u4fee\u590d\uff0c\u5426\u5219\u7a0b\u5e8f\u5c06\u65e0\u6cd5\u6267\u884c\u3002<\/p>\n<h2>Java \u5f02\u5e38\u5904\u7406\u5173\u952e\u5b57<\/h2>\n<p>Java \u4e3a\u5f02\u5e38\u5904\u7406\u63d0\u4f9b\u4e86\u7279\u5b9a\u7684\u5173\u952e\u5b57\u3002<\/p>\n<ol>\n<li><strong>throw\uff08\u629b\u51fa\uff09<\/strong> &#8211; \u6211\u4eec\u77e5\u9053\uff0c\u5982\u679c\u53d1\u751f\u9519\u8bef\uff0c\u4f1a\u521b\u5efa\u4e00\u4e2a\u5f02\u5e38\u5bf9\u8c61\uff0c\u7136\u540e Java \u8fd0\u884c\u65f6\u5f00\u59cb\u5904\u7406\u5b83\u4eec\u3002\u6709\u65f6\u5019\u6211\u4eec\u53ef\u80fd\u60f3\u5728\u6211\u4eec\u7684\u4ee3\u7801\u4e2d\u663e\u5f0f\u5730\u751f\u6210\u5f02\u5e38\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u7528\u6237\u8ba4\u8bc1\u7a0b\u5e8f\u4e2d\uff0c\u5982\u679c\u5bc6\u7801\u4e3a\u7a7a\uff0c\u6211\u4eec\u5e94\u8be5\u5411\u5ba2\u6237\u7aef\u629b\u51fa\u5f02\u5e38\u3002\u4f7f\u7528 <code>throw<\/code> \u5173\u952e\u5b57\u5c06\u5f02\u5e38\u629b\u7ed9\u8fd0\u884c\u65f6\u5904\u7406\u3002<\/li>\n<li><strong>throws\uff08\u58f0\u660e\uff09<\/strong> &#8211; \u5f53\u6211\u4eec\u5728\u4e00\u4e2a\u65b9\u6cd5\u4e2d\u629b\u51fa\u5f02\u5e38\u800c\u4e0d\u5904\u7406\u65f6\uff0c\u6211\u4eec\u5fc5\u987b\u5728\u65b9\u6cd5\u7b7e\u540d\u4e2d\u4f7f\u7528 <code>throws<\/code> \u5173\u952e\u5b57\uff0c\u8ba9\u8c03\u7528\u7a0b\u5e8f\u77e5\u9053\u53ef\u80fd\u88ab\u8be5\u65b9\u6cd5\u629b\u51fa\u7684\u5f02\u5e38\u3002\u8c03\u7528\u65b9\u6cd5\u53ef\u80fd\u4f1a\u5904\u7406\u8fd9\u4e9b\u5f02\u5e38\uff0c\u6216\u8005\u4f7f\u7528 <code>throws<\/code> \u5173\u952e\u5b57\u5c06\u5176\u4f20\u64ad\u5230\u5176\u8c03\u7528\u65b9\u6cd5\u3002\u6211\u4eec\u53ef\u4ee5\u5728 <code>throws<\/code> \u5b50\u53e5\u4e2d\u63d0\u4f9b\u591a\u4e2a\u5f02\u5e38\uff0c\u5b83\u4e5f\u53ef\u4ee5\u4e0e <code>main()<\/code> \u65b9\u6cd5\u4e00\u8d77\u4f7f\u7528\u3002<\/li>\n<li><strong>try-catch\uff08\u5c1d\u8bd5-\u6355\u83b7\uff09<\/strong> &#8211; \u6211\u4eec\u5728\u4ee3\u7801\u4e2d\u4f7f\u7528 <code>try-catch<\/code> \u5757\u6765\u5904\u7406\u5f02\u5e38\u3002<code>try<\/code> \u662f\u5757\u7684\u5f00\u59cb\uff0c<code>catch<\/code> \u4f4d\u4e8e <code>try<\/code> \u5757\u7684\u672b\u5c3e\u6765\u5904\u7406\u5f02\u5e38\u3002\u6211\u4eec\u53ef\u4ee5\u5728 <code>try<\/code> \u5757\u4e2d\u5305\u542b\u591a\u4e2a <code>catch<\/code> \u5757\u3002<code>try-catch<\/code> \u5757\u4e5f\u53ef\u4ee5\u5d4c\u5957\u3002<code>catch<\/code> \u5757\u9700\u8981\u4e00\u4e2a\u53c2\u6570\uff0c\u53c2\u6570\u7684\u7c7b\u578b\u5e94\u8be5\u662f <code>Exception<\/code> \u7c7b\u578b\u3002<\/li>\n<li><strong>finally\uff08\u6700\u7ec8\uff09<\/strong> &#8211; <code>finally<\/code> \u5757\u662f\u53ef\u9009\u7684\uff0c\u53ea\u80fd\u4e0e <code>try-catch<\/code> \u5757\u4e00\u8d77\u4f7f\u7528\u3002\u7531\u4e8e\u5f02\u5e38\u4f1a\u4e2d\u65ad\u6267\u884c\u8fc7\u7a0b\uff0c\u6211\u4eec\u53ef\u80fd\u6709\u4e00\u4e9b\u672a\u5173\u95ed\u7684\u8d44\u6e90\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>finally<\/code> \u5757\u3002\u65e0\u8bba\u662f\u5426\u53d1\u751f\u5f02\u5e38\uff0c<code>finally<\/code> \u5757\u59cb\u7ec8\u4f1a\u6267\u884c\u3002<\/li>\n<\/ol>\n<h2>\u4e00\u4e2a\u5f02\u5e38\u5904\u7406\u793a\u4f8b<\/h2>\n<div>\u5f02\u5e38\u5904\u7406.java<\/div>\n<p>\u8fd9\u662f\u6587\u7ae0\u300aJava\u4e2d\u7684\u5f02\u5e38\u5904\u7406\u300b\u7684\u7b2c2\u90e8\u5206\uff08\u51717\u90e8\u5206\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>scdev<span class=\"token punctuation\">.<\/span>exceptions<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">FileNotFoundException<\/span><\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">IOException<\/span><\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ExceptionHandling<\/span> <span class=\"token punctuation\">{<\/span>\r\n\r\n\t<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[]<\/span> args<span class=\"token punctuation\">)<\/span> <mark><span class=\"token keyword\">throws<\/span><\/mark> <span class=\"token class-name\">FileNotFoundException<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">IOException<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<mark><span class=\"token keyword\">try<\/span><\/mark> <span class=\"token punctuation\">{<\/span>\r\n\t\t\t<span class=\"token function\">testException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">-<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t\t<span class=\"token function\">testException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">-<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t<span class=\"token punctuation\">}<\/span> <mark><span class=\"token keyword\">catch<\/span><span class=\"token punctuation\">(<\/span><\/mark><span class=\"token class-name\">FileNotFoundException<\/span> e<mark><span class=\"token punctuation\">)<\/span><\/mark> <span class=\"token punctuation\">{<\/span>\r\n\t\t\te<span class=\"token punctuation\">.<\/span><span class=\"token function\">printStackTrace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t<span class=\"token punctuation\">}<\/span> <mark><span class=\"token keyword\">catch<\/span><span class=\"token punctuation\">(<\/span><\/mark><span class=\"token class-name\">IOException<\/span> e<mark><span class=\"token punctuation\">)<\/span><\/mark> <span class=\"token punctuation\">{<\/span>\r\n\t\t\te<span class=\"token punctuation\">.<\/span><span class=\"token function\">printStackTrace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t<span class=\"token punctuation\">}<\/span> <mark><span class=\"token keyword\">finally<\/span><\/mark> <span class=\"token punctuation\">{<\/span>\r\n\t\t\t<span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Releasing resources\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t<span class=\"token punctuation\">}<\/span>\r\n\t\t<span class=\"token function\">testException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\r\n\t<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">testException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token punctuation\">)<\/span> <mark><span class=\"token keyword\">throws<\/span><\/mark> <span class=\"token class-name\">FileNotFoundException<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">IOException<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t\t<span class=\"token class-name\">FileNotFoundException<\/span> myException <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <mark><span class=\"token class-name\">FileNotFoundException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Negative Integer \"<\/span> <span class=\"token operator\">+<\/span> i<span class=\"token punctuation\">)<\/span><\/mark><span class=\"token punctuation\">;<\/span>\r\n\t\t\t<mark><span class=\"token keyword\">throw<\/span><\/mark> myException<span class=\"token punctuation\">;<\/span>\r\n\t\t<span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">if<\/span> <span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t\t<mark><span class=\"token keyword\">throw<\/span><\/mark> <span class=\"token keyword\">new<\/span> <mark><span class=\"token class-name\">IOException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Only supported for index 0 to 10\"<\/span><span class=\"token punctuation\">)<\/span><\/mark><span class=\"token punctuation\">;<\/span>\r\n\t\t<span class=\"token punctuation\">}<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li><code>testException()<\/code> \u65b9\u6cd5\u4f7f\u7528 <code>throw<\/code> \u5173\u952e\u5b57\u629b\u51fa\u5f02\u5e38\u3002\u8be5\u65b9\u6cd5\u7684\u7b7e\u540d\u4f7f\u7528 <code>throws<\/code> \u5173\u952e\u5b57\u6765\u544a\u77e5\u8c03\u7528\u8005\u5b83\u53ef\u80fd\u629b\u51fa\u7684\u5f02\u5e38\u7c7b\u578b\u3002<\/li>\n<li>\u5728 <code>main()<\/code> \u65b9\u6cd5\u4e2d\uff0c\u6211\u4f7f\u7528 <code>try-catch<\/code> \u5757\u6765\u5904\u7406\u5f02\u5e38\u3002\u5f53\u6211\u4e0d\u5904\u7406\u5f02\u5e38\u65f6\uff0c\u6211\u901a\u8fc7 <code>main()<\/code> \u65b9\u6cd5\u4e2d\u7684 <code>throws<\/code> \u5b50\u53e5\u5c06\u5176\u4f20\u64ad\u5230\u8fd0\u884c\u65f6\u3002<\/li>\n<li><code>testException(-10)<\/code> \u6c38\u8fdc\u4e0d\u4f1a\u88ab\u6267\u884c\uff0c\u56e0\u4e3a\u5b83\u524d\u9762\u7684\u5f02\u5e38\u5df2\u7ecf\u53d1\u751f\uff0c\u7136\u540e <code>finally<\/code> \u5757\u4f1a\u88ab\u6267\u884c\u3002<\/li>\n<\/ul>\n<p>\u6253\u5370\u5806\u6808\u8ddf\u8e2a\uff08<code>printStackTrace()<\/code>\uff09\u662f <code>Exception<\/code> \u7c7b\u4e2d\u4e00\u4e2a\u7528\u4e8e\u8c03\u8bd5\u7684\u6709\u7528\u65b9\u6cd5\u4e4b\u4e00\u3002<\/p>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5c06\u8f93\u51fa\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<mark>java.io.FileNotFoundException: Negative Integer -5<\/mark>\r\n\tat com.Olivia.exceptions.ExceptionHandling.testException(ExceptionHandling.java:24)\r\n\tat com.Olivia.exceptions.ExceptionHandling.main(ExceptionHandling.java:10)\r\nReleasing resources\r\nException in thread \"main\" <mark>java.io.IOException: Only supported for index 0 to 10<\/mark>\r\n\tat com.Olivia.exceptions.ExceptionHandling.testException(ExceptionHandling.java:27)\r\n\tat com.Olivia.exceptions.ExceptionHandling.main(ExceptionHandling.java:19)\r\n<\/code><\/pre>\n<p>\u4e00\u4e9b\u9700\u8981\u6ce8\u610f\u7684\u91cd\u8981\u4e8b\u9879\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>\u6ca1\u6709 <code>try<\/code> \u8bed\u53e5\uff0c\u5c31\u4e0d\u80fd\u6709 <code>catch<\/code> \u6216 <code>finally<\/code> \u5b50\u53e5\u3002<\/li>\n<li>\u4e00\u4e2a <code>try<\/code> \u8bed\u53e5\u5e94\u8be5\u6709 <code>catch<\/code> \u5757\u6216 <code>finally<\/code> \u5757\uff0c\u4e5f\u53ef\u4ee5\u540c\u65f6\u62e5\u6709\u8fd9\u4e24\u4e2a\u5757\u3002<\/li>\n<li>\u6211\u4eec\u4e0d\u80fd\u5728 <code>try-catch-finally<\/code> \u5757\u4e4b\u95f4\u7f16\u5199\u4efb\u4f55\u4ee3\u7801\u3002<\/li>\n<li>\u4e00\u4e2a <code>try<\/code> \u8bed\u53e5\u53ef\u4ee5\u6709\u591a\u4e2a <code>catch<\/code> \u5757\u3002<\/li>\n<li><code>try-catch<\/code> \u5757\u53ef\u4ee5\u50cf <code>if-else<\/code> \u8bed\u53e5\u4e00\u6837\u5d4c\u5957\u3002<\/li>\n<li>\u4e00\u4e2a <code>try-catch<\/code> \u8bed\u53e5\u53ea\u80fd\u6709\u4e00\u4e2a <code>finally<\/code> \u5757\u3002<\/li>\n<\/ul>\n<h2>Java \u5f02\u5e38\u5c42\u6b21\u7ed3\u6784<\/h2>\n<p>\u5982\u524d\u6240\u8ff0\uff0c\u5f53\u629b\u51fa\u5f02\u5e38\u65f6\uff0c\u4f1a\u521b\u5efa\u4e00\u4e2a\u5f02\u5e38\u5bf9\u8c61\u3002Java \u5f02\u5e38\u662f\u5c42\u6b21\u5316\u7684\uff0c\u4f7f\u7528\u7ee7\u627f\u6765\u5bf9\u4e0d\u540c\u7c7b\u578b\u7684\u5f02\u5e38\u8fdb\u884c\u5206\u7c7b\u3002<code>Throwable<\/code> \u662f Java \u5f02\u5e38\u5c42\u6b21\u7ed3\u6784\u7684\u7236\u7c7b\uff0c\u5b83\u6709\u4e24\u4e2a\u5b50\u5bf9\u8c61\u2014\u2014<code>Error<\/code> \u548c <code>Exception<\/code>\u3002<code>Exception<\/code> \u8fdb\u4e00\u6b65\u5206\u4e3a\u5df2\u68c0\u67e5\u5f02\u5e38\u548c\u8fd0\u884c\u65f6\u5f02\u5e38\u3002<\/p>\n<ol>\n<li><strong>\u9519\u8bef\uff08Error\uff09\uff1a<\/strong> \u9519\u8bef\u662f\u8d85\u51fa\u5e94\u7528\u7a0b\u5e8f\u8303\u56f4\u7684\u7279\u6b8a\u60c5\u51b5\uff0c\u65e0\u6cd5\u9884\u6599\u5e76\u4ece\u4e2d\u6062\u590d\u3002\u4f8b\u5982\uff0c\u786c\u4ef6\u6545\u969c\u3001Java\u865a\u62df\u673a\uff08JVM\uff09\u5d29\u6e83\u6216\u5185\u5b58\u6ea2\u51fa\u9519\u8bef\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u6211\u4eec\u6709\u4e00\u4e2a\u5355\u72ec\u7684\u9519\u8bef\u5c42\u6b21\u7ed3\u6784\uff0c\u6211\u4eec\u4e0d\u5e94\u8be5\u8bd5\u56fe\u5904\u7406\u8fd9\u4e9b\u60c5\u51b5\u3002\u4e00\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\u6709 <code>OutOfMemoryError<\/code> \u548c <code>StackOverflowError<\/code>\u3002<\/li>\n<li><strong>\u5df2\u68c0\u67e5\u5f02\u5e38\uff08Checked Exception\uff09\uff1a<\/strong> \u5df2\u68c0\u67e5\u5f02\u5e38\u662f\u6211\u4eec\u53ef\u4ee5\u5728\u7a0b\u5e8f\u4e2d\u9884\u89c1\u5e76\u5c1d\u8bd5\u4ece\u4e2d\u6062\u590d\u7684\u5f02\u5e38\u60c5\u51b5\u3002\u4f8b\u5982\uff0c<code>FileNotFoundException<\/code>\u3002\u6211\u4eec\u5e94\u8be5\u6355\u83b7\u6b64\u5f02\u5e38\u5e76\u4e3a\u7528\u6237\u63d0\u4f9b\u6709\u7528\u7684\u6d88\u606f\uff0c\u5e76\u4e14\u4e3a\u4e86\u8c03\u8bd5\u76ee\u7684\u8981\u6b63\u786e\u8bb0\u5f55\u5b83\u3002<code>Exception<\/code> \u662f\u6240\u6709\u5df2\u68c0\u67e5\u5f02\u5e38\u7684\u7236\u7c7b\u3002\u5982\u679c\u6211\u4eec\u629b\u51fa\u4e86\u4e00\u4e2a\u5df2\u68c0\u67e5\u5f02\u5e38\uff0c\u5fc5\u987b\u5728\u540c\u4e00\u4e2a\u65b9\u6cd5\u4e2d\u6355\u83b7\u5b83\uff0c\u6216\u8005\u4f7f\u7528 <code>throws<\/code> \u5173\u952e\u5b57\u5c06\u5176\u4f20\u9012\u7ed9\u8c03\u7528\u8005\u3002<\/li>\n<li><strong>\u8fd0\u884c\u65f6\u5f02\u5e38\uff08Runtime Exception\uff09\uff1a<\/strong> \u8fd0\u884c\u65f6\u5f02\u5e38\u662f\u7531\u7cdf\u7cd5\u7684\u7f16\u7a0b\u9020\u6210\u7684\u3002\u4f8b\u5982\uff0c\u5c1d\u8bd5\u4ece\u6570\u7ec4\u4e2d\u68c0\u7d22\u5143\u7d20\u3002\u5728\u5c1d\u8bd5\u68c0\u7d22\u5143\u7d20\u4e4b\u524d\uff0c\u6211\u4eec\u5e94\u8be5\u5148\u68c0\u67e5\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u5426\u5219\u53ef\u80fd\u5728\u8fd0\u884c\u65f6\u629b\u51fa <code>ArrayIndexOutOfBoundException<\/code>\u3002<code>RuntimeException<\/code> \u662f\u6240\u6709\u8fd0\u884c\u65f6\u5f02\u5e38\u7684\u7236\u7c7b\u3002\u5982\u679c\u6211\u4eec\u5728\u4e00\u4e2a\u65b9\u6cd5\u4e2d\u629b\u51fa\u4efb\u4f55\u8fd0\u884c\u65f6\u5f02\u5e38\uff0c\u4e0d\u9700\u8981\u5728\u65b9\u6cd5\u7b7e\u540d\u7684 <code>throws<\/code> \u5b50\u53e5\u4e2d\u6307\u5b9a\u5b83\u4eec\u3002\u901a\u8fc7\u66f4\u597d\u7684\u7f16\u7a0b\u53ef\u4ee5\u907f\u514d\u8fd0\u884c\u65f6\u5f02\u5e38\u3002<\/li>\n<\/ol>\n<div>\n<img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/6564632ba4b2f92e6c725929\/25-0.png\" class=\"post-images\" alt=\"Java\u5f02\u5e38\u5c42\u6b21\u7ed3\u6784\u56fe\u3002Throwable\u4f4d\u4e8e\u56fe\u7684\u9876\u90e8\u3002\u8be5\u6811\u7684\u4e00\u4e2a\u5206\u652f\u662fError\u3002Error\u4e0b\u65b9\u662fOutOfMemoryError\u548cIOError\u3002\u8be5\u6811\u7684\u53e6\u4e00\u4e2a\u5206\u652f\u662fException\u3002Exception\u5206\u4e3aIOException\u548cRuntimeException\u3002IOException\u4e0b\u65b9\u662fFileNotFoundException\u3002RuntimeException\u4e0b\u65b9\u662fNullPointerException\u3002\" title=\"Java\u5f02\u5e38\u5c42\u6b21\u7ed3\u6784\u56fe\">\n<\/div>\n<h2>\u4e00\u4e9b\u6709\u7528\u7684\u5f02\u5e38\u7c7b\u65b9\u6cd5<\/h2>\n<p>Java \u5f02\u5e38\u53ca\u5176\u6240\u6709\u5b50\u7c7b\u5e76\u672a\u63d0\u4f9b\u4efb\u4f55\u7279\u5b9a\u7684\u65b9\u6cd5\uff0c\u6240\u6709\u7684\u65b9\u6cd5\u90fd\u662f\u5728\u57fa\u7c7b <code>Throwable<\/code> \u4e2d\u5b9a\u4e49\u7684\u3002\u5f02\u5e38\u7c7b\u88ab\u521b\u5efa\u7528\u4e8e\u6307\u5b9a\u4e0d\u540c\u7684\u5f02\u5e38\u573a\u666f\uff0c\u4ee5\u4fbf\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u8bc6\u522b\u6839\u672c\u539f\u56e0\uff0c\u5e76\u6839\u636e\u5f02\u5e38\u7c7b\u578b\u5904\u7406\u5f02\u5e38\u3002<code>Throwable<\/code> \u7c7b\u5b9e\u73b0\u4e86 <code>Serializable<\/code> \u63a5\u53e3\uff0c\u4ee5\u5b9e\u73b0\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n<p><code>Throwable<\/code> \u7c7b\u7684\u4e00\u4e9b\u6709\u7528\u65b9\u6cd5\u6709\uff1a<\/p>\n<ol>\n<li><code>public String getMessage()<\/code> \u2013 \u8be5\u65b9\u6cd5\u8fd4\u56de <code>Throwable<\/code> \u5bf9\u8c61\u7684\u6d88\u606f\u5b57\u7b26\u4e32\uff0c\u5f02\u5e38\u5728\u521b\u5efa\u65f6\u53ef\u4ee5\u63d0\u4f9b\u6d88\u606f\u3002<\/li>\n<li><code>public String getLocalizedMessage()<\/code> \u2013 \u5b50\u7c7b\u53ef\u4ee5\u91cd\u5199\u8be5\u65b9\u6cd5\uff0c\u4ee5\u5411\u8c03\u7528\u7a0b\u5e8f\u63d0\u4f9b\u7279\u5b9a\u5730\u533a\u7684\u6d88\u606f\u3002<code>Throwable<\/code> \u7c7b\u5b9e\u73b0\u8be5\u65b9\u6cd5\u65f6\u4f7f\u7528 <code>getMessage()<\/code> \u65b9\u6cd5\u8fd4\u56de\u5f02\u5e38\u6d88\u606f\u3002<\/li>\n<li><code>public synchronized Throwable getCause()<\/code> \u2013 \u8be5\u65b9\u6cd5\u8fd4\u56de\u5f02\u5e38\u7684\u539f\u56e0\uff0c\u5982\u679c\u539f\u56e0\u672a\u77e5\u5219\u8fd4\u56de <code>null<\/code>\u3002<\/li>\n<li><code>public String toString()<\/code> \u2013 \u8be5\u65b9\u6cd5\u4ee5\u5b57\u7b26\u4e32\u683c\u5f0f\u8fd4\u56de <code>Throwable<\/code> \u7684\u4fe1\u606f\uff0c\u8fd4\u56de\u7684\u5b57\u7b26\u4e32\u5305\u542b <code>Throwable<\/code> \u7c7b\u7684\u540d\u79f0\u548c\u672c\u5730\u5316\u4fe1\u606f\u3002<\/li>\n<li><code>public void printStackTrace()<\/code> \u2013 \u8be5\u65b9\u6cd5\u5c06\u5806\u6808\u8ddf\u8e2a\u4fe1\u606f\u6253\u5370\u5230\u6807\u51c6\u9519\u8bef\u6d41\uff0c\u8be5\u65b9\u6cd5\u6709\u591a\u4e2a\u91cd\u8f7d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f20\u9012 <code>PrintStream<\/code> \u6216 <code>PrintWriter<\/code> \u4f5c\u4e3a\u53c2\u6570\uff0c\u5c06\u5806\u6808\u8ddf\u8e2a\u4fe1\u606f\u5199\u5165\u6587\u4ef6\u6216\u6d41\u4e2d\u3002<\/li>\n<\/ol>\n<h2>Java 7 \u5728\u81ea\u52a8\u8d44\u6e90\u7ba1\u7406\u548c\u5f02\u5e38\u6355\u83b7\u65b9\u9762\u6709\u6240\u6539\u8fdb\u3002<\/h2>\n<p>\u5982\u679c\u4f60\u5728\u4e00\u4e2a <code>try<\/code> \u5757\u4e2d\u6355\u83b7\u4e86\u5f88\u591a\u5f02\u5e38\uff0c\u4f60\u4f1a\u6ce8\u610f\u5230 <code>catch<\/code> \u5757\u7684\u4ee3\u7801\u4e3b\u8981\u5305\u542b\u91cd\u590d\u7684\u4ee3\u7801\u6765\u8bb0\u5f55\u9519\u8bef\u3002\u5728 Java 7 \u4e2d\uff0c\u4e00\u4e2a\u6539\u8fdb\u7684 <code>catch<\/code> \u5757\u7684\u7279\u6027\u662f\u6211\u4eec\u53ef\u4ee5\u5728\u4e00\u4e2a <code>catch<\/code> \u5757\u4e2d\u6355\u83b7\u591a\u4e2a\u5f02\u5e38\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u6b64\u7279\u6027\u7684 <code>catch<\/code> \u5757\u793a\u4f8b\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> <span class=\"token operator\">|<\/span> <span class=\"token class-name\">SQLException<\/span> ex<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n    logger<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span>ex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n    <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">MyException<\/span><span class=\"token punctuation\">(<\/span>ex<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6709\u4e00\u4e9b\u9650\u5236\uff0c\u6bd4\u5982\u5f02\u5e38\u5bf9\u8c61\u662f <code>final<\/code> \u7684\uff0c\u6211\u4eec\u65e0\u6cd5\u5728 <code>catch<\/code> \u5757\u5185\u90e8\u4fee\u6539\u5b83\uff0c\u5728 Java 7 \u7684 Catch \u5757\u6539\u8fdb\u4e2d\u53ef\u4ee5\u9605\u8bfb\u5b8c\u6574\u7684\u5206\u6790\u3002<\/p>\n<p>\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4f7f\u7528 <code>finally<\/code> \u5757\u6765\u5173\u95ed\u8d44\u6e90\u3002\u6709\u65f6\u5019\u6211\u4eec\u4f1a\u5fd8\u8bb0\u5173\u95ed\u5b83\u4eec\uff0c\u5f53\u8d44\u6e90\u8017\u5c3d\u65f6\u5c31\u4f1a\u51fa\u73b0\u8fd0\u884c\u65f6\u5f02\u5e38\u3002\u8fd9\u4e9b\u5f02\u5e38\u5f88\u96be\u8c03\u8bd5\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u67e5\u770b\u6bcf\u4e2a\u4f7f\u7528\u8be5\u8d44\u6e90\u7684\u5730\u65b9\u4ee5\u786e\u4fdd\u5173\u95ed\u5b83\u3002\u5728 Java 7 \u4e2d\uff0c\u5176\u4e2d\u4e00\u4e2a\u6539\u8fdb\u662f\u4f7f\u7528 <code>try-with-resources<\/code>\uff0c\u5728 <code>try<\/code> \u8bed\u53e5\u4e2d\u521b\u5efa\u8d44\u6e90\uff0c\u5e76\u5728 <code>try-catch<\/code> \u5757\u5185\u4f7f\u7528\u5b83\u3002\u5f53\u6267\u884c\u9000\u51fa <code>try-catch<\/code> \u5757\u65f6\uff0c\u8fd0\u884c\u73af\u5883\u4f1a\u81ea\u52a8\u5173\u95ed\u8fd9\u4e9b\u8d44\u6e90\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u8fd9\u4e00\u6539\u8fdb\u7684 <code>try-catch<\/code> \u5757\u7684\u793a\u4f8b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">MyResource<\/span> mr <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">MyResource<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t<span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"MyResource created in try-with-resources\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\te<span class=\"token punctuation\">.<\/span><span class=\"token function\">printStackTrace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u7684\u793a\u4f8b<\/h2>\n<p>\u5728Java\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8bb8\u591a\u5185\u7f6e\u7684\u5f02\u5e38\u7c7b\uff0c\u4f46\u6709\u65f6\u6211\u4eec\u53ef\u80fd\u9700\u8981\u521b\u5efa\u81ea\u5df1\u7684\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u3002\u4f8b\u5982\uff0c\u5f53\u9700\u8981\u7528\u7279\u5b9a\u7684\u6d88\u606f\u901a\u77e5\u8c03\u7528\u8005\u67d0\u79cd\u7c7b\u578b\u7684\u5f02\u5e38\u65f6\uff0c\u6216\u8005\u4e3a\u4e86\u8ddf\u8e2a\u81ea\u5b9a\u4e49\u5b57\u6bb5\uff08\u5982\u9519\u8bef\u4ee3\u7801\uff09\u65f6\u3002\u5047\u8bbe\u6211\u4eec\u7f16\u5199\u4e86\u4e00\u4e2a\u53ea\u5904\u7406\u6587\u672c\u6587\u4ef6\u7684\u65b9\u6cd5\uff0c\u90a3\u4e48\u5f53\u8f93\u5165\u5176\u4ed6\u7c7b\u578b\u7684\u6587\u4ef6\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4e3a\u8c03\u7528\u8005\u63d0\u4f9b\u76f8\u5e94\u7684\u9519\u8bef\u4ee3\u7801\u3002<\/p>\n<p>\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a<code>MyException<\/code>\u7c7b\uff1a<\/p>\n<div>\n<h3>MyException.java<\/h3>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>scdev<span class=\"token punctuation\">.<\/span>exceptions<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MyException<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span>\r\n\r\n\t<span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token keyword\">long<\/span> serialVersionUID <span class=\"token operator\">=<\/span> <span class=\"token number\">4664456874499611218L<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> errorCode <span class=\"token operator\">=<\/span> <span class=\"token string\">\"Unknown_Exception\"<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">MyException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> message<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> errorCode<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token keyword\">super<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t<span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>errorCode<span class=\"token operator\">=<\/span>errorCode<span class=\"token punctuation\">;<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\r\n\t<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">getErrorCode<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token keyword\">return<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>errorCode<span class=\"token punctuation\">;<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<\/div>\n<p>\u7136\u540e\uff0c\u521b\u5efa\u4e00\u4e2a<code>CustomExceptionExample<\/code>\u7c7b\uff1a<\/p>\n<div>\n<h3>CustomExceptionExample.java<\/h3>\n<\/div>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>scdev<span class=\"token punctuation\">.<\/span>exceptions<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">FileInputStream<\/span><\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">FileNotFoundException<\/span><\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">IOException<\/span><\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">InputStream<\/span><\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">CustomExceptionExample<\/span> <span class=\"token punctuation\">{<\/span>\r\n\r\n\t<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">MyException<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t\t<span class=\"token function\">processFile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"file.txt\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t<span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">MyException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t\t<span class=\"token function\">processErrorCodes<\/span><span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t<span class=\"token punctuation\">}<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\r\n\t<span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">processErrorCodes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">MyException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">MyException<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token keyword\">switch<\/span> <span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">.<\/span><span class=\"token function\">getErrorCode<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t\t<span class=\"token keyword\">case<\/span> <span class=\"token string\">\"BAD_FILE_TYPE\"<\/span><span class=\"token operator\">:<\/span>\r\n\t\t\t\t<span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u6587\u4ef6\u7c7b\u578b\u9519\u8bef\uff0c\u8bf7\u901a\u77e5\u7528\u6237\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t\t\t<span class=\"token keyword\">throw<\/span> e<span class=\"token punctuation\">;<\/span>\r\n\t\t\t<span class=\"token keyword\">case<\/span> <span class=\"token string\">\"FILE_NOT_FOUND_EXCEPTION\"<\/span><span class=\"token operator\">:<\/span>\r\n\t\t\t\t<span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u6587\u4ef6\u672a\u627e\u5230\uff0c\u8bf7\u901a\u77e5\u7528\u6237\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t\t\t<span class=\"token keyword\">throw<\/span> e<span class=\"token punctuation\">;<\/span>\r\n\t\t\t<span class=\"token keyword\">case<\/span> <span class=\"token string\">\"FILE_CLOSE_EXCEPTION\"<\/span><span class=\"token operator\">:<\/span>\r\n\t\t\t\t<span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u6587\u4ef6\u5173\u95ed\u5931\u8d25\uff0c\u4ec5\u8bb0\u5f55\u65e5\u5fd7\u3002\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t\t\t<span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t\t<span class=\"token keyword\">default<\/span><span class=\"token operator\">:<\/span>\r\n\t\t\t\t<span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u53d1\u751f\u672a\u77e5\u5f02\u5e38\uff0c\u8bb0\u5f55\u65e5\u5fd7\u4ee5\u4fbf\u8fdb\u4e00\u6b65\u8c03\u8bd5\u3002\"<\/span> <span class=\"token operator\">+<\/span> e<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t\t\te<span class=\"token punctuation\">.<\/span><span class=\"token function\">printStackTrace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t<span class=\"token punctuation\">}<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\r\n\t<span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">processFile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> file<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">MyException<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token class-name\">InputStream<\/span> fis <span class=\"token operator\">=<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t\t<span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t\tfis <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FileInputStream<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t<span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">FileNotFoundException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t\t<span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">MyException<\/span><span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"FILE_NOT_FOUND_EXCEPTION\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t<span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">finally<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t\t<span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t\t\t<span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>fis <span class=\"token operator\">!=<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> fis<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t\t<span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t\t\t<span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">MyException<\/span><span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"FILE_CLOSE_EXCEPTION\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t\t<span class=\"token punctuation\">}<\/span>\r\n\t\t<span class=\"token punctuation\">}<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u9488\u5bf9\u4ece\u4e0d\u540c\u65b9\u6cd5\u4e2d\u83b7\u53d6\u7684\u4e0d\u540c\u7c7b\u578b\u7684\u9519\u8bef\u4ee3\u7801\u91c7\u7528\u5206\u5f00\u7684\u5904\u7406\u65b9\u6cd5\u3002\u6709\u4e9b\u9519\u8bef\u4ee3\u7801\u4f1a\u88ab\u201c\u6d88\u8017\u201d\u6389\uff08\u5373\u6355\u83b7\u5e76\u5904\u7406\uff0c\u4e0d\u518d\u5411\u4e0a\u629b\u51fa\uff09\uff0c\u56e0\u4e3a\u6211\u4eec\u53ef\u80fd\u4e0d\u60f3\u901a\u77e5\u7528\u6237\uff1b\u800c\u53e6\u4e00\u4e9b\u9519\u8bef\u4ee3\u7801\u5219\u4f1a\u88ab\u91cd\u65b0\u629b\u51fa\uff0c\u4ee5\u901a\u77e5\u7528\u6237\u95ee\u9898\u6240\u5728\u3002<\/p>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u6b63\u5728\u6269\u5c55\u5f02\u5e38\uff0c\u8fd9\u6837\u6bcf\u5f53\u4ea7\u751f\u8fd9\u4e2a\u5f02\u5e38\u65f6\uff0c\u5b83\u5fc5\u987b\u5728\u65b9\u6cd5\u4e2d\u5904\u7406\u6216\u8fd4\u56de\u7ed9\u8c03\u7528\u8005\u7a0b\u5e8f\u3002\u5982\u679c\u6211\u4eec\u6269\u5c55<code>RuntimeException<\/code>\uff0c\u5219\u4e0d\u9700\u8981\u5728<code>throws<\/code>\u5b50\u53e5\u4e2d\u6307\u5b9a\u3002<\/p>\n<p>\u8fd9\u662f\u4e00\u4e2a\u8bbe\u8ba1\u51b3\u7b56\u3002\u4f7f\u7528\u68c0\u67e5\u578b\u5f02\u5e38\uff08Checked Exception\uff09\u7684\u597d\u5904\u5728\u4e8e\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u4e86\u89e3\u53ef\u80fd\u53d1\u751f\u7684\u5f02\u5e38\uff0c\u5e76\u91c7\u53d6\u9002\u5f53\u7684\u63aa\u65bd\u6765\u5904\u7406\u5b83\u4eec\u3002<\/p>\n<h2>Java\u5f02\u5e38\u5904\u7406\u7684\u6700\u4f73\u5b9e\u8df5<\/h2>\n<ul class=\"post-ul\">\n<li><strong>\u4f7f\u7528\u7279\u5b9a\u5f02\u5e38\uff1a<\/strong> \u5f02\u5e38\u5c42\u6b21\u7ed3\u6784\u7684\u57fa\u7c7b\u4e0d\u63d0\u4f9b\u4efb\u4f55\u6709\u7528\u7684\u4fe1\u606f\uff0c\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48Java\u6709\u5982\u6b64\u591a\u7684\u5f02\u5e38\u7c7b\uff0c\u4f8b\u5982<code>IOException<\/code>\u53ca\u5176\u5b50\u7c7b\uff0c\u5982<code>FileNotFoundException<\/code>\u3001<code>EOFException<\/code>\u7b49\u3002\u6211\u4eec\u5e94\u8be5\u59cb\u7ec8\u629b\u51fa\u548c\u6355\u83b7\u7279\u5b9a\u7684\u5f02\u5e38\u7c7b\uff0c\u8fd9\u6837\u8c03\u7528\u8005\u5c31\u80fd\u8f7b\u677e\u4e86\u89e3\u5f02\u5e38\u7684\u6839\u672c\u539f\u56e0\u5e76\u8fdb\u884c\u5904\u7406\u3002\u8fd9\u4f7f\u5f97\u8c03\u8bd5\u66f4\u5bb9\u6613\uff0c\u5e76\u6709\u52a9\u4e8e\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u9002\u5f53\u5730\u5904\u7406\u5f02\u5e38\u3002<\/li>\n<li><strong>\u5c3d\u65e9\u629b\u51fa\u6216\u5feb\u901f\u5931\u8d25\uff08Fail-Fast\uff09\uff1a<\/strong> \u6211\u4eec\u5e94\u8be5\u5c3d\u91cf\u5c3d\u65e9\u629b\u51fa\u5f02\u5e38\u3002\u8003\u8651\u4e0a\u8ff0\u7684<code>processFile()<\/code>\u65b9\u6cd5\uff0c\u5982\u679c\u6211\u4eec\u5c06<code>null<\/code>\u53c2\u6570\u4f20\u9012\u7ed9\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u6211\u4eec\u5c06\u5f97\u5230\u4ee5\u4e0b\u5f02\u5e38\uff1a<\/li>\n<\/ul>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"\u8f93\u51fa\">\u8f93\u51fa<\/div><span class=\"token class-name\">Exception<\/span> in thread <span class=\"token string\">\"main\"<\/span> <span class=\"token class-name\">java.lang.NullPointerException<\/span>\r\n\tat <span class=\"token class-name\">java.io.FileInputStream<\/span>.&lt;init&gt;(<span class=\"token class-name\">FileInputStream.java<\/span>:134)\r\n\tat <span class=\"token class-name\">java.io.FileInputStream<\/span>.&lt;init&gt;(<span class=\"token class-name\">FileInputStream.java<\/span>:97)\r\n\tat <span class=\"token class-name\">com.Olivia.exceptions.CustomExceptionExample<\/span>.<span class=\"token function\">processFile<\/span>(<span class=\"token class-name\">CustomExceptionExample.java<\/span>:42)\r\n\tat <span class=\"token class-name\">com.Olivia.exceptions.CustomExceptionExample<\/span>.<span class=\"token function\">main<\/span>(<span class=\"token class-name\">CustomExceptionExample.java<\/span>:12)\r\n<\/code><\/pre>\n<p>\u5728\u8c03\u8bd5\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u4e0d\u5f97\u4e0d\u4ed4\u7ec6\u67e5\u770b\u5806\u6808\u8ddf\u8e2a\u4ee5\u786e\u5b9a\u5f02\u5e38\u7684\u5b9e\u9645\u4f4d\u7f6e\u3002\u5982\u679c\u6211\u4eec\u5c06\u6211\u4eec\u7684\u5b9e\u73b0\u903b\u8f91\u66f4\u6539\u4e3a\u5982\u4e0b\uff1a\u5c3d\u65e9\u68c0\u67e5\u8fd9\u4e9b\u5f02\u5e38\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">processFile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> file<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">MyException<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t<span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>file <span class=\"token operator\">==<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">MyException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u6587\u4ef6\u540d\u4e0d\u80fd\u4e3a\u7a7a\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"NULL_FILE_NAME\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ ... \u8fdb\u4e00\u6b65\u5904\u7406<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7136\u540e\u5f02\u5e38\u5806\u6808\u8ddf\u8e2a\u5c06\u6307\u793a\u5f02\u5e38\u53d1\u751f\u7684\u4f4d\u7f6e\uff0c\u5e76\u63d0\u4f9b\u6e05\u6670\u7684\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"\u8f93\u51fa\">\u8f93\u51fa<\/div>\r\n<\/code><\/pre>\n<pre><code>com.Olivia.exceptions.MyException: \u6587\u4ef6\u540d\u4e0d\u80fd\u4e3a\u7a7a\r\n\tat com.Olivia.exceptions.CustomExceptionExample.processFile(CustomExceptionExample.java:37)\r\n\tat com.Olivia.exceptions.CustomExceptionExample.main(CustomExceptionExample.java:12)\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li>\n<h3>\u5ef6\u8fdf\u6355\u83b7\uff08Catch Late\uff09<\/h3>\n<p>\u7531\u4e8eJava\u5f3a\u5236\u8981\u6c42\u5904\u7406\u53d7\u68c0\u5f02\u5e38\uff08checked exception\uff09\u6216\u5728\u65b9\u6cd5\u7b7e\u540d\u4e2d\u58f0\u660e\u5b83\uff0c\u6709\u65f6\u5f00\u53d1\u8005\u503e\u5411\u4e8e\u6355\u83b7\u5f02\u5e38\u5e76\u8bb0\u5f55\u9519\u8bef\u3002\u7136\u800c\uff0c\u8fd9\u79cd\u505a\u6cd5\u662f\u6709\u5bb3\u7684\uff0c\u56e0\u4e3a\u8c03\u7528\u7a0b\u5e8f\u65e0\u6cd5\u6536\u5230\u5f02\u5e38\u901a\u77e5\u3002\u6211\u4eec\u53ea\u5e94\u5728\u80fd\u591f\u6070\u5f53\u5904\u7406\u5f02\u5e38\u65f6\u624d\u6355\u83b7\u5b83\u4eec\u3002\u4f8b\u5982\uff0c\u5728\u4e0a\u8ff0\u65b9\u6cd5\u4e2d\uff0c\u6211\u5c06\u5f02\u5e38\u629b\u56de\u7ed9\u8c03\u7528\u65b9\u6cd5\u8fdb\u884c\u5904\u7406\u3002\u540c\u4e00\u65b9\u6cd5\u53ef\u80fd\u88ab\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\uff0c\u8fd9\u4e9b\u5e94\u7528\u7a0b\u5e8f\u53ef\u80fd\u5e0c\u671b\u4ee5\u4e0d\u540c\u65b9\u5f0f\u5904\u7406\u5f02\u5e38\u3002\u5728\u5b9e\u73b0\u4efb\u4f55\u529f\u80fd\u65f6\uff0c\u6211\u4eec\u5e94\u59cb\u7ec8\u5c06\u5f02\u5e38\u629b\u56de\u7ed9\u8c03\u7528\u8005\uff0c\u8ba9\u4ed6\u4eec\u51b3\u5b9a\u5982\u4f55\u5904\u7406\u3002<\/p>\n<\/li>\n<li>\n<h3>\u5173\u95ed\u8d44\u6e90\uff08Closing Resources\uff09<\/h3>\n<p>\u7531\u4e8e\u5f02\u5e38\u4f1a\u4e2d\u65ad\u7a0b\u5e8f\u7684\u6267\u884c\uff0c\u6211\u4eec\u5e94\u8be5\u5728<code>finally<\/code>\u5757\u4e2d\u5173\u95ed\u6240\u6709\u8d44\u6e90\uff0c\u6216\u8005\u4f7f\u7528Java 7\u7684<code>try-with-resources<\/code>\u589e\u5f3a\u529f\u80fd\uff0c\u8ba9Java\u8fd0\u884c\u65f6\u81ea\u52a8\u5173\u95ed\u8d44\u6e90\u3002<\/p>\n<\/li>\n<li>\n<h3>\u8bb0\u5f55\u5f02\u5e38\uff08Logging Exceptions\uff09<\/h3>\n<p>\u6211\u4eec\u5e94\u59cb\u7ec8\u8bb0\u5f55\u5f02\u5e38\u6d88\u606f\uff0c\u5e76\u5728\u629b\u51fa\u5f02\u5e38\u65f6\u63d0\u4f9b\u6e05\u6670\u7684\u6d88\u606f\uff0c\u4ee5\u4fbf\u8c03\u7528\u8005\u80fd\u8f7b\u677e\u4e86\u89e3\u5f02\u5e38\u53d1\u751f\u7684\u539f\u56e0\u3002\u6211\u4eec\u5e94\u59cb\u7ec8\u907f\u514d\u4f7f\u7528\u7a7a\u7684<code>catch<\/code>\u5757\uff0c\u56e0\u4e3a\u5b83\u53ea\u4f1a\u541e\u566c\u5f02\u5e38\uff0c\u4e0d\u63d0\u4f9b\u4efb\u4f55\u6709\u610f\u4e49\u7684\u5f02\u5e38\u7ec6\u8282\u7528\u4e8e\u8c03\u8bd5\u3002<\/p>\n<\/li>\n<li>\n<h3>\u5355\u4e2a<code>catch<\/code>\u5757\u5904\u7406\u591a\u4e2a\u5f02\u5e38\uff08Single catch block for multiple exceptions\uff09<\/h3>\n<p>\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u8bb0\u5f55\u5f02\u5e38\u8be6\u60c5\u5e76\u5411\u7528\u6237\u63d0\u4f9b\u6d88\u606f\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5e94\u8be5\u4f7f\u7528Java 7\u7684\u7279\u6027\uff0c\u5728\u5355\u4e2a<code>catch<\/code>\u5757\u4e2d\u5904\u7406\u591a\u4e2a\u5f02\u5e38\u3002\u8fd9\u79cd\u65b9\u6cd5\u5c06\u51cf\u5c11\u4ee3\u7801\u91cf\uff0c\u5e76\u4f7f\u5176\u770b\u8d77\u6765\u66f4\u6574\u6d01\u3002<\/p>\n<\/li>\n<li>\n<h3>\u4f7f\u7528\u81ea\u5b9a\u4e49\u5f02\u5e38\uff08Using Custom Exceptions\uff09<\/h3>\n<p>\u5728\u8bbe\u8ba1\u9636\u6bb5\u5b9a\u4e49\u5f02\u5e38\u5904\u7406\u7b56\u7565\u603b\u662f\u66f4\u597d\u7684\u9009\u62e9\u3002\u4e0e\u5176\u629b\u51fa\u548c\u6355\u83b7\u591a\u4e2a\u5f02\u5e38\uff0c\u4e0d\u5982\u521b\u5efa\u5e26\u6709\u9519\u8bef\u4ee3\u7801\u7684\u81ea\u5b9a\u4e49\u5f02\u5e38\uff0c\u8c03\u7528\u7a0b\u5e8f\u53ef\u4ee5\u5904\u7406\u8fd9\u4e9b\u9519\u8bef\u4ee3\u7801\u3002\u521b\u5efa\u4e00\u4e2a\u5b9e\u7528\u65b9\u6cd5\u6765\u5904\u7406\u4e0d\u540c\u7684\u9519\u8bef\u4ee3\u7801\u5e76\u4f7f\u7528\u5b83\u4eec\u4e5f\u662f\u4e00\u4e2a\u597d\u4e3b\u610f\u3002<\/p>\n<\/li>\n<li>\n<h3>\u547d\u540d\u7ea6\u5b9a\u548c\u5305\u7ed3\u6784\uff08Naming Conventions and Packaging\uff09<\/h3>\n<p>\u5f53\u4f60\u521b\u5efa\u81ea\u5b9a\u4e49\u5f02\u5e38\u65f6\uff0c\u8bf7\u786e\u4fdd\u5176\u540d\u79f0\u4ee5\u201cException\u201d\u7ed3\u5c3e\uff0c\u8fd9\u6837\u4ece\u540d\u79f0\u672c\u8eab\u5c31\u80fd\u6e05\u695a\u5730\u770b\u51fa\u5b83\u662f\u4e00\u4e2a\u5f02\u5e38\u7c7b\u3002\u6b64\u5916\uff0c\u8bf7\u786e\u4fdd\u50cfJava\u5f00\u53d1\u5de5\u5177\u5305\uff08JDK\uff09\u4e2d\u90a3\u6837\u5bf9\u5176\u8fdb\u884c\u6253\u5305\u3002\u4f8b\u5982\uff0c<code>IOException<\/code>\u662f\u6240\u6709IO\u64cd\u4f5c\u7684\u57fa\u7840\u5f02\u5e38\u3002<\/p>\n<\/li>\n<li>\n<h3>\u660e\u667a\u5730\u4f7f\u7528\u5f02\u5e38\uff08Use Exceptions Judiciously\uff09<\/h3>\n<p>\u5f02\u5e38\u5f00\u9500\u8f83\u5927\uff0c\u6709\u65f6\u6839\u672c\u4e0d\u9700\u8981\u629b\u51fa\u5f02\u5e38\uff0c\u6211\u4eec\u53ef\u4ee5\u5411\u8c03\u7528\u7a0b\u5e8f\u8fd4\u56de\u4e00\u4e2a\u5e03\u5c14\u53d8\u91cf\u6765\u6307\u793a\u64cd\u4f5c\u662f\u5426\u6210\u529f\u3002\u8fd9\u5728\u64cd\u4f5c\u662f\u53ef\u9009\u4e14\u4f60\u4e0d\u5e0c\u671b\u7a0b\u5e8f\u56e0\u5931\u8d25\u800c\u5361\u4f4f\u65f6\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff0c\u5728\u4ece\u7b2c\u4e09\u65b9Web\u670d\u52a1\u66f4\u65b0\u6570\u636e\u5e93\u4e2d\u7684\u80a1\u7968\u62a5\u4ef7\u65f6\uff0c\u5982\u679c\u8fde\u63a5\u5931\u8d25\uff0c\u6211\u4eec\u53ef\u80fd\u5e0c\u671b\u907f\u514d\u629b\u51fa\u5f02\u5e38\u3002<\/p>\n<\/li>\n<li>\n<h3>\u6587\u6863\u5316\u629b\u51fa\u7684\u5f02\u5e38\uff08Document the Exceptions Thrown\uff09<\/h3>\n<p>\u4f7f\u7528Javadoc\u7684<code>@throws<\/code>\u6807\u7b7e\u6e05\u6670\u5730\u6307\u5b9a\u65b9\u6cd5\u629b\u51fa\u7684\u5f02\u5e38\u3002\u5f53\u4f60\u4e3a\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u63a5\u53e3\u65f6\uff0c\u8fd9\u975e\u5e38\u6709\u5e2e\u52a9\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u4f60\u4e86\u89e3\u4e86Java\u4e2d\u7684\u5f02\u5e38\u5904\u7406\u3002\u4f60\u5b66\u5230\u4e86<code>throw<\/code>\u548c<code>throws<\/code>\u7684\u7528\u6cd5\u3002\u4f60\u8fd8\u5b66\u5230\u4e86<code>try<\/code>\uff08\u4ee5\u53ca<code>try-with-resources<\/code>\uff09\u3001<code>catch<\/code>\u548c<code>finally<\/code>\u5757\u7684\u7528\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 \u5f02\u5e38\u662f\u5728\u7a0b\u5e8f\u6267\u884c\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u53d1\u751f\u7684\u9519\u8bef\u4e8b\u4ef6\uff0c\u4f1a\u4e2d\u65ad\u5176\u6b63\u5e38\u6d41\u7a0b\u3002Java \u63d0\u4f9b\u4e86\u4e00\u79cd\u5f3a\u5927\u4e14\u9762\u5411\u5bf9\u8c61\u7684\u5904\u7406\u5f02\u5e38 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[576,189,578,575,577],"class_list":["post-123","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-exception","tag-java","tag-578","tag-575","tag-577"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java\u5f02\u5e38\u5904\u7406\uff1a\u4ece\u57fa\u7840\u5230\u6700\u4f73\u5b9e\u8df5\uff0c\u63d0\u5347\u4ee3\u7801\u5065\u58ee\u6027 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u6df1\u5165\u5b66\u4e60Java\u5f02\u5e38\u5904\u7406\u673a\u5236\uff0c\u638c\u63e1try-catch-finally\u3001throws\u3001\u81ea\u5b9a\u4e49\u5f02\u5e38\u7b49\u6838\u5fc3\u6982\u5ff5\uff0c\u5e76\u901a\u8fc7\u6700\u4f73\u5b9e\u8df5\u63d0\u5347\u4ee3\u7801\u8d28\u91cf\u4e0e\u7a0b\u5e8f\u7a33\u5b9a\u6027\u3002\u672c\u6307\u5357\u52a9\u60a8\u6210\u4e3aJava\u5f02\u5e38\u5904\u7406\u4e13\u5bb6\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u4e2d\u7684\u5f02\u5e38\u5904\u7406\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u5f02\u5e38\u5904\u7406\uff1a\u4ece\u57fa\u7840\u5230\u6700\u4f73\u5b9e\u8df5\uff0c\u63d0\u5347\u4ee3\u7801\u5065\u58ee\u6027\" \/>\n<meta property=\"og:description\" content=\"\u6df1\u5165\u5b66\u4e60Java\u5f02\u5e38\u5904\u7406\u673a\u5236\uff0c\u638c\u63e1try-catch-finally\u3001throws\u3001\u81ea\u5b9a\u4e49\u5f02\u5e38\u7b49\u6838\u5fc3\u6982\u5ff5\uff0c\u5e76\u901a\u8fc7\u6700\u4f73\u5b9e\u8df5\u63d0\u5347\u4ee3\u7801\u8d28\u91cf\u4e0e\u7a0b\u5e8f\u7a33\u5b9a\u6027\u3002\u672c\u6307\u5357\u52a9\u60a8\u6210\u4e3aJava\u5f02\u5e38\u5904\u7406\u4e13\u5bb6\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u4e2d\u7684\u5f02\u5e38\u5904\u7406\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-20T19:15:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-31T16:18:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/6564632ba4b2f92e6c725929\/25-0.png\" \/>\n<meta name=\"author\" content=\"\u6e05, \u626c\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6e05, \u626c\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86\/\",\"name\":\"Java\u5f02\u5e38\u5904\u7406\uff1a\u4ece\u57fa\u7840\u5230\u6700\u4f73\u5b9e\u8df5\uff0c\u63d0\u5347\u4ee3\u7801\u5065\u58ee\u6027 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-08-20T19:15:01+00:00\",\"dateModified\":\"2025-07-31T16:18:10+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/cb5556d2501da73d864cac945e8d9461\"},\"description\":\"\u6df1\u5165\u5b66\u4e60Java\u5f02\u5e38\u5904\u7406\u673a\u5236\uff0c\u638c\u63e1try-catch-finally\u3001throws\u3001\u81ea\u5b9a\u4e49\u5f02\u5e38\u7b49\u6838\u5fc3\u6982\u5ff5\uff0c\u5e76\u901a\u8fc7\u6700\u4f73\u5b9e\u8df5\u63d0\u5347\u4ee3\u7801\u8d28\u91cf\u4e0e\u7a0b\u5e8f\u7a33\u5b9a\u6027\u3002\u672c\u6307\u5357\u52a9\u60a8\u6210\u4e3aJava\u5f02\u5e38\u5904\u7406\u4e13\u5bb6\u3002\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Java\u5f02\u5e38\u5904\u7406\uff1a\u4ece\u57fa\u7840\u5230\u6700\u4f73\u5b9e\u8df5\uff0c\u63d0\u5347\u4ee3\u7801\u5065\u58ee\u6027\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/cb5556d2501da73d864cac945e8d9461\",\"name\":\"\u6e05, \u626c\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/32a4239de8ff29adace466261d309424a1e5fe9f7e3036bf89fe03f2e3dbe717?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/32a4239de8ff29adace466261d309424a1e5fe9f7e3036bf89fe03f2e3dbe717?s=96&d=mm&r=g\",\"caption\":\"\u6e05, \u626c\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/qingyang\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Java\u5f02\u5e38\u5904\u7406\uff1a\u4ece\u57fa\u7840\u5230\u6700\u4f73\u5b9e\u8df5\uff0c\u63d0\u5347\u4ee3\u7801\u5065\u58ee\u6027 - Blog - Silicon Cloud","description":"\u6df1\u5165\u5b66\u4e60Java\u5f02\u5e38\u5904\u7406\u673a\u5236\uff0c\u638c\u63e1try-catch-finally\u3001throws\u3001\u81ea\u5b9a\u4e49\u5f02\u5e38\u7b49\u6838\u5fc3\u6982\u5ff5\uff0c\u5e76\u901a\u8fc7\u6700\u4f73\u5b9e\u8df5\u63d0\u5347\u4ee3\u7801\u8d28\u91cf\u4e0e\u7a0b\u5e8f\u7a33\u5b9a\u6027\u3002\u672c\u6307\u5357\u52a9\u60a8\u6210\u4e3aJava\u5f02\u5e38\u5904\u7406\u4e13\u5bb6\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/java\u4e2d\u7684\u5f02\u5e38\u5904\u7406\/","og_locale":"zh_CN","og_type":"article","og_title":"Java\u5f02\u5e38\u5904\u7406\uff1a\u4ece\u57fa\u7840\u5230\u6700\u4f73\u5b9e\u8df5\uff0c\u63d0\u5347\u4ee3\u7801\u5065\u58ee\u6027","og_description":"\u6df1\u5165\u5b66\u4e60Java\u5f02\u5e38\u5904\u7406\u673a\u5236\uff0c\u638c\u63e1try-catch-finally\u3001throws\u3001\u81ea\u5b9a\u4e49\u5f02\u5e38\u7b49\u6838\u5fc3\u6982\u5ff5\uff0c\u5e76\u901a\u8fc7\u6700\u4f73\u5b9e\u8df5\u63d0\u5347\u4ee3\u7801\u8d28\u91cf\u4e0e\u7a0b\u5e8f\u7a33\u5b9a\u6027\u3002\u672c\u6307\u5357\u52a9\u60a8\u6210\u4e3aJava\u5f02\u5e38\u5904\u7406\u4e13\u5bb6\u3002","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/java\u4e2d\u7684\u5f02\u5e38\u5904\u7406\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-08-20T19:15:01+00:00","article_modified_time":"2025-07-31T16:18:10+00:00","og_image":[{"url":"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/6564632ba4b2f92e6c725929\/25-0.png"}],"author":"\u6e05, \u626c","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u6e05, \u626c","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"5 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86\/","name":"Java\u5f02\u5e38\u5904\u7406\uff1a\u4ece\u57fa\u7840\u5230\u6700\u4f73\u5b9e\u8df5\uff0c\u63d0\u5347\u4ee3\u7801\u5065\u58ee\u6027 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-08-20T19:15:01+00:00","dateModified":"2025-07-31T16:18:10+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/cb5556d2501da73d864cac945e8d9461"},"description":"\u6df1\u5165\u5b66\u4e60Java\u5f02\u5e38\u5904\u7406\u673a\u5236\uff0c\u638c\u63e1try-catch-finally\u3001throws\u3001\u81ea\u5b9a\u4e49\u5f02\u5e38\u7b49\u6838\u5fc3\u6982\u5ff5\uff0c\u5e76\u901a\u8fc7\u6700\u4f73\u5b9e\u8df5\u63d0\u5347\u4ee3\u7801\u8d28\u91cf\u4e0e\u7a0b\u5e8f\u7a33\u5b9a\u6027\u3002\u672c\u6307\u5357\u52a9\u60a8\u6210\u4e3aJava\u5f02\u5e38\u5904\u7406\u4e13\u5bb6\u3002","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"Java\u5f02\u5e38\u5904\u7406\uff1a\u4ece\u57fa\u7840\u5230\u6700\u4f73\u5b9e\u8df5\uff0c\u63d0\u5347\u4ee3\u7801\u5065\u58ee\u6027"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/cb5556d2501da73d864cac945e8d9461","name":"\u6e05, \u626c","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/32a4239de8ff29adace466261d309424a1e5fe9f7e3036bf89fe03f2e3dbe717?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/32a4239de8ff29adace466261d309424a1e5fe9f7e3036bf89fe03f2e3dbe717?s=96&d=mm&r=g","caption":"\u6e05, \u626c"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/qingyang\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=123"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/123\/revisions"}],"predecessor-version":[{"id":109595,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/123\/revisions\/109595"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}