{"id":31508,"date":"2023-05-18T17:27:17","date_gmt":"2023-01-16T23:10:56","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e4%ba%8b%e5%8a%a1%e6%8e%a7%e5%88%b6\/"},"modified":"2024-04-30T04:48:44","modified_gmt":"2024-04-29T20:48:44","slug":"java%e7%9a%84%e4%ba%8b%e5%8a%a1%e6%8e%a7%e5%88%b6","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e4%ba%8b%e5%8a%a1%e6%8e%a7%e5%88%b6\/","title":{"rendered":"Java\u7684\u4e8b\u52a1\u63a7\u5236"},"content":{"rendered":"<h3>\u4ea4\u6613<\/h3>\n<p>&#8220;\u4e8b\u52a1\u662f\u5c06\u4e00\u7cfb\u5217\u64cd\u4f5c\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\u8fdb\u884c\u5904\u7406\u7684\u903b\u8f91\u5355\u4f4d\u3002\u5982\u679c\u5c5e\u4e8e\u540c\u4e00\u4e2a\u4e8b\u52a1\u7684SQL\u5904\u7406\u6709\u591a\u4e2a\u7684\u8bdd&#8221;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u3059\u3079\u3066\u304c\u6210\u529f\u3057\u3066\u521d\u3081\u3066\u51e6\u7406\u7d50\u679c\u3092\u78ba\u5b9a\u3059\u308b(\u30b3\u30df\u30c3\u30c8)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u9014\u4e2d\u3067\u5931\u6557\u3057\u305f\u3089\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5b9f\u884c\u524d\u306e\u72b6\u614b\u306b\u623b\u3059(\u30ed\u30fc\u30eb\u30d0\u30c3\u30af)<\/ul>\n<p>\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u5c06\u5904\u7406\u7ed3\u679c\u786e\u8ba4\u4e3acommit\uff0c\u5c06\u72b6\u6001\u6062\u590d\u5230\u6267\u884c\u4e4b\u524d\u7684\u72b6\u6001\u79f0\u4e3arollback\u3002<\/p>\n<h3>\u4f7f\u7528\u4ea4\u6613<\/h3>\n<p>\u5728Java\u4e2d\uff0c\u63d0\u4f9b\u4e86\u4e00\u4e2a\u4e13\u95e8\u7528\u4e8e\u6570\u636e\u5e93\u64cd\u4f5c\u7684API\uff0c\u79f0\u4e3aJBDC\uff08Java DataBase Connectivity\uff09\u3002\u8981\u4f7f\u7528JBDC\u6307\u793a\u4e8b\u52a1\u63a7\u5236\uff0c\u9700\u8981\u4f7f\u7528Connection\u5bf9\u8c61\u3002<\/p>\n<h4>1. \u5728\u8fde\u63a5\u5efa\u7acb\u540e\u7acb\u5373\u8bbe\u7f6e\u81ea\u52a8\u63d0\u4ea4()-\u63a5\u8fde\u63a5<br \/>\n2. \u5728\u8fde\u63a5\u5efa\u7acb\u540e\u7acb\u5373\u8bbe\u7f6e\u81ea\u52a8\u63d0\u4ea4()-\u63a5\u8fde\u63a5<br \/>\n3. \u5efa\u7acb\u8fde\u63a5\u540e\u7acb\u5373\u8bbe\u7f6e\u81ea\u52a8\u63d0\u4ea4()-\u63a5\u8fde\u63a5<br \/>\n4. \u8fde\u63a5\u5efa\u7acb\u540e\u7acb\u5373\u8bbe\u7f6e\u81ea\u52a8\u63d0\u4ea4()-\u63a5\u8fde\u63a5<br \/>\n5. \u786e\u7acb\u8fde\u63a5\u540e\u7acb\u5373\u8bbe\u7f6e\u81ea\u52a8\u63d0\u4ea4()-\u63a5\u8fde\u63a5<\/h4>\n<p>\u5728JBDC\u4e2d\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cSQL\u5728\u6bcf\u6b21\u53d1\u9001\u65f6\u90fd\u4f1a\u81ea\u52a8\u63d0\u4ea4\uff0c\u8fdb\u5165\u81ea\u52a8\u63d0\u4ea4\u6a21\u5f0f\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u6267\u884c\u4ee5\u4e0b\u58f0\u660e\u6765\u660e\u786e\u8fdb\u884c\u4e8b\u52a1\u63a7\u5236\u3002<\/p>\n<ul class=\"post-ul\">con.setAutoCommit(false); : \u81ea\u52d5\u30b3\u30df\u30c3\u30c8\u30e2\u30fc\u30c9\u306e\u89e3\u9664<\/ul>\n<p>\u5e76\u4e14\uff0c\u901a\u8fc7\u6267\u884c\u4ee5\u4e0b\u58f0\u660e\uff0c\u60a8\u53ef\u4ee5\u81ea\u52a8\u5c06\u5176\u63d0\u4ea4\u56de\u81ea\u52a8\u63d0\u4ea4\u6a21\u5f0f\u3002<\/p>\n<ul class=\"post-ul\">con.setAutoCommit(true); : \u81ea\u52d5\u30b3\u30df\u30c3\u30c8\u30e2\u30fc\u30c9\u306e\u8a2d\u5b9a<\/ul>\n<h4>2. \u6267\u884c\u5b8c\u4e00\u8fde\u4e32\u7684SQL\u540e<\/h4>\n<p>\u5f53\u60a8\u53d1\u9001\u5b8c\u6bd5\u6d89\u53ca\u7684\u6240\u6709SQL\u8bed\u53e5\u6765\u6267\u884c\u4e00\u7cfb\u5217\u4e8b\u52a1\u65f6\uff0c\u8bf7\u8c03\u7528commit\u51fd\u6570\u8fdb\u884c\u63d0\u4ea4\u3002<\/p>\n<ul class=\"post-ul\">com.commit(); : \u9001\u4fe1\u6e08\u307f\u306e\u51e6\u7406\u8981\u6c42\u306e\u78ba\u5b9a(\u30b3\u30df\u30c3\u30c8)<\/ul>\n<p>\u901a\u8fc7\u8fd9\u4e2a\u8c03\u7528\uff0c\u88ab\u53d1\u9001\u81ea\u4e0a\u6b21commit()\u4ee5\u6765\u7684\u6240\u6709SQL\u8bf7\u6c42\u88ab\u89c6\u4e3a\u4e00\u4e2a\u4e8b\u52a1\uff0c\u5e76\u4e14\u6267\u884c\u7ed3\u679c\u88ab\u786e\u5b9a\u3002<\/p>\n<h4>\u5f53\u68c0\u6d4b\u5230\u5f02\u5e38\u60c5\u51b5\u65f6\uff0c\u6267\u884c\u56de\u6eda\u64cd\u4f5c\u3002<\/h4>\n<p>\u5982\u679c\u5728\u53d1\u9001\u591a\u4e2aSQL\u8bf7\u6c42\u7684\u8fc7\u7a0b\u4e2d\u68c0\u6d4b\u5230\u5f02\u5e38\uff0c\u5e76\u4e14\u51fa\u4e8e\u67d0\u79cd\u539f\u56e0\u60f3\u8981\u53d6\u6d88\u5904\u7406\uff0c\u53ef\u4ee5\u4f7f\u7528rollback\uff08\uff09\u51fd\u6570\u3002<\/p>\n<ul class=\"post-ul\">con.rollack(); : \u9001\u4fe1\u6e08\u307f\u306e\u51e6\u7406\u8981\u6c42\u3092\u30ad\u30e3\u30f3\u30bb\u30eb(\u30ed\u30fc\u30eb\u30d0\u30c3\u30af)<\/ul>\n<p>\u901a\u8fc7\u8fd9\u4e2a\u8c03\u7528\uff0ccommit()\u4e4b\u540e\u53d1\u9001\u7684\u6240\u6709SQL\u8bf7\u6c42\u90fd\u5c06\u56de\u6eda\u3002\u53e6\u5916\uff0c\u5373\u4f7f\u5728\u7a0b\u5e8f\u4e2d\u6ca1\u6709\u663e\u5f0f\u8c03\u7528rollback\uff0c\u5728\u6570\u636e\u5e93\u8fde\u63a5\u4e2d\u65ad\u3001Java\u7a0b\u5e8f\u6216\u6570\u636e\u5e93\u5f3a\u5236\u7ec8\u6b62\u5bfc\u81f4\u6700\u7ec8\u6ca1\u6709\u53d1\u51facommit()\u65f6\uff0c\u6570\u636e\u5e93\u5c06\u81ea\u52a8\u6267\u884c\u56de\u6eda\u64cd\u4f5c\u3002<\/p>\n<h4>\u793a\u4f8b\u4ee3\u7801<\/h4>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">java.sql.*<\/span><span class=\"o\">;<\/span>\r\n\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Main<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n\r\n        <span class=\"k\">try<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"c1\">\/\/ JDBC\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u6709\u52b9\u5316<\/span>\r\n            <span class=\"nc\">Class<\/span><span class=\"o\">.<\/span><span class=\"na\">forName<\/span><span class=\"o\">(<\/span><span class=\"s\">\"org.h2.Driver\"<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"o\">}<\/span> <span class=\"k\">catch<\/span><span class=\"o\">(<\/span><span class=\"nc\">ClassNotFoundException<\/span> <span class=\"n\">e<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"na\">printStackTrace<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"o\">}<\/span>\r\n\r\n        <span class=\"nc\">Connection<\/span> <span class=\"n\">con<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">null<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"k\">try<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"c1\">\/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u63a5\u7d9a<\/span>\r\n            <span class=\"n\">con<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">DriverManager<\/span><span class=\"o\">.<\/span><span class=\"na\">getConnection<\/span><span class=\"o\">(<\/span><span class=\"s\">\"jdbc:j2:~\/rpgdb\"<\/span><span class=\"o\">);<\/span>  <span class=\"c1\">\/\/ JDBC URL\u3092\u6307\u5b9a<\/span>\r\n            <span class=\"c1\">\/\/ \u30aa\u30fc\u30c8\u30b3\u30df\u30c3\u30c8\u89e3\u9664<\/span>\r\n            <span class=\"n\">con<\/span><span class=\"o\">.<\/span><span class=\"na\">setAutoCommit<\/span><span class=\"o\">(<\/span><span class=\"kc\">false<\/span><span class=\"o\">);<\/span>\r\n\r\n            <span class=\"cm\">\/** SQL\u767a\u884c\u51e6\u7406(\u7701\u7565) *\/<\/span>\r\n\r\n            <span class=\"c1\">\/\/ \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u30b3\u30df\u30c3\u30c8<\/span>\r\n            <span class=\"n\">con<\/span><span class=\"o\">.<\/span><span class=\"na\">commit<\/span><span class=\"o\">();<\/span>\r\n            <span class=\"c1\">\/\/ SQLException\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306e\u51e6\u7406<\/span>\r\n        <span class=\"o\">}<\/span> <span class=\"k\">catch<\/span><span class=\"o\">(<\/span><span class=\"nc\">SQLException<\/span> <span class=\"n\">e<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"k\">try<\/span> <span class=\"o\">{<\/span>\r\n                <span class=\"c1\">\/\/ \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u30ed\u30fc\u30eb\u30d0\u30c3\u30af<\/span>\r\n                <span class=\"n\">con<\/span><span class=\"o\">.<\/span><span class=\"na\">rollback<\/span><span class=\"o\">();<\/span>\r\n            <span class=\"o\">}<\/span> <span class=\"k\">catch<\/span> <span class=\"o\">(<\/span><span class=\"nc\">SQLException<\/span> <span class=\"n\">e2<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n                <span class=\"c1\">\/\/ \u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u3092\u51fa\u529b<\/span>\r\n                <span class=\"n\">e2<\/span><span class=\"o\">.<\/span><span class=\"na\">printStackTrace<\/span><span class=\"o\">();<\/span>\r\n            <span class=\"o\">}<\/span>\r\n        <span class=\"o\">}<\/span> <span class=\"k\">finally<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"k\">if<\/span><span class=\"o\">(<\/span><span class=\"n\">con<\/span> <span class=\"o\">!=<\/span> <span class=\"kc\">null<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n                <span class=\"k\">try<\/span> <span class=\"o\">{<\/span>\r\n                    <span class=\"c1\">\/\/ \u30aa\u30fc\u30c8\u30b3\u30df\u30c3\u30c8\u6709\u52b9\u5316<\/span>\r\n                    <span class=\"n\">con<\/span><span class=\"o\">.<\/span><span class=\"na\">setAutoCommit<\/span><span class=\"o\">(<\/span><span class=\"kc\">true<\/span><span class=\"o\">);<\/span>\r\n                    <span class=\"c1\">\/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u5207\u65ad<\/span>\r\n                    <span class=\"n\">con<\/span><span class=\"o\">.<\/span><span class=\"na\">close<\/span><span class=\"o\">();<\/span>\r\n                <span class=\"o\">}<\/span> <span class=\"k\">catch<\/span><span class=\"o\">(<\/span><span class=\"nc\">SQLException<\/span> <span class=\"n\">e3<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n                    <span class=\"c1\">\/\/ \u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u3092\u51fa\u529b<\/span>\r\n                    <span class=\"n\">e3<\/span><span class=\"o\">.<\/span><span class=\"na\">printStackTrace<\/span><span class=\"o\">();<\/span>\r\n                <span class=\"o\">}<\/span>\r\n            <span class=\"o\">}<\/span>\r\n        <span class=\"o\">}<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n\r\n\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4ea4\u6613 &#8220;\u4e8b\u52a1\u662f\u5c06\u4e00\u7cfb\u5217\u64cd\u4f5c\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\u8fdb\u884c\u5904\u7406\u7684\u903b\u8f91\u5355\u4f4d\u3002\u5982\u679c\u5c5e\u4e8e\u540c\u4e00\u4e2a\u4e8b\u52a1\u7684SQL\u5904\u7406\u6709\u591a\u4e2a\u7684\u8bdd [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31508","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"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\u7684\u4e8b\u52a1\u63a7\u5236 - Blog - Silicon Cloud<\/title>\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\u7684\u4e8b\u52a1\u63a7\u5236\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u7684\u4e8b\u52a1\u63a7\u5236\" \/>\n<meta property=\"og:description\" content=\"\u4ea4\u6613 &#8220;\u4e8b\u52a1\u662f\u5c06\u4e00\u7cfb\u5217\u64cd\u4f5c\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\u8fdb\u884c\u5904\u7406\u7684\u903b\u8f91\u5355\u4f4d\u3002\u5982\u679c\u5c5e\u4e8e\u540c\u4e00\u4e2a\u4e8b\u52a1\u7684SQL\u5904\u7406\u6709\u591a\u4e2a\u7684\u8bdd [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u7684\u4e8b\u52a1\u63a7\u5236\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-16T23:10:56+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T20:48:44+00:00\" \/>\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\" 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