{"id":801,"date":"2023-02-19T04:21:22","date_gmt":"2023-10-04T17:16:56","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/java-long-%e8%bd%ac%e6%8d%a2%e4%b8%ba-string\/"},"modified":"2025-08-03T08:59:12","modified_gmt":"2025-08-03T00:59:12","slug":"java-long-%e8%bd%ac%e6%8d%a2%e4%b8%ba-string","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java-long-%e8%bd%ac%e6%8d%a2%e4%b8%ba-string\/","title":{"rendered":"Java long\u8f6cString\uff1a4\u79cd\u9ad8\u6548\u65b9\u6cd5\u4e0e\u5b9e\u4f8b"},"content":{"rendered":"<h1>Java long\u7c7b\u578b\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u591a\u79cd\u65b9\u6cd5\u8be6\u89e3<\/h1>\n<p>\u4eca\u5929\u6211\u4eec\u5c06\u5b66\u4e60\u5728Java\u4e2d\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u4e0d\u540c\u65b9\u6cd5\u3002Java\u4e2d\u6709\u591a\u79cd\u65b9\u5f0f\u53ef\u4ee5\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u6211\u4eec\u5c06\u9010\u4e00\u8fdb\u884c\u6f14\u793a\u5e76\u63d0\u4f9b\u793a\u4f8b\u4ee3\u7801\u7247\u6bb5\u3002<\/p>\n<h2>\u5c06Java\u7684long\u7c7b\u578b\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"Java long\u8f6cString\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/656488dca4b2f92e6c73208b\/2-0.png\" alt=\"java long to string\" \/><\/div>\n<h3>\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528+\u8fd0\u7b97\u7b26<\/h3>\n<p>\u8fd9\u662f\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u3002<\/p>\n<pre><code>long l = 123L;\r\nString str = l + \"\"; \/\/ str \u7684\u503c\u4e3a '123'<\/code><\/pre>\n<h3>\u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528Long.toString()\u65b9\u6cd5<\/h3>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Long\u7c7b\u7684toString\u65b9\u6cd5\u6765\u83b7\u5f97long\u7c7b\u578b\u7684\u5341\u8fdb\u5236\u5b57\u7b26\u4e32\u8868\u793a\u3002\u4e0b\u9762\u7684\u4ee3\u7801\u7247\u6bb5\u5c55\u793a\u4e86\u5982\u4f55\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002<\/p>\n<pre><code>long l = 12345L;\r\nString str = Long.toString(l);\r\nSystem.out.println(str); \/\/\u8f93\u51fa\u4e3a '12345'<\/code><\/pre>\n<p>\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u8fdb\u5236\u683c\u5f0f\u8868\u793along\u7c7b\u578b\uff0c\u6bd4\u5982\u516b\u8fdb\u5236\u548c\u5341\u516d\u8fdb\u5236\uff0c\u8ba9\u6211\u4eec\u770b\u770b\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u4f1a\u53d1\u751f\u4ec0\u4e48\u3002<\/p>\n<pre><code>long l = 0x11L; \/\/ \u5341\u516d\u8fdb\u5236\r\nString str = Long.toString(l);\r\nSystem.out.println(str); \/\/\u8f93\u51fa\u4e3a '17'\r\n\r\nl = 011L; \/\/ \u516b\u8fdb\u5236\r\nstr = Long.toString(l);\r\nSystem.out.println(str); \/\/\u8f93\u51fa\u4e3a '9'<\/code><\/pre>\n<p>\u56e0\u6b64\uff0c\u4f7f\u7528Long.toString()\u65b9\u6cd5\u59cb\u7ec8\u8fd4\u56de\u5341\u8fdb\u5236\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\u3002\u8ba9\u6211\u4eec\u770b\u770b\u5176\u4ed6\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u3002<\/p>\n<h3>\u65b9\u6cd5\u4e09\uff1a\u4f7f\u7528String.valueOf()\u65b9\u6cd5<\/h3>\n<pre><code>long l = 12345L;\r\nString str = String.valueOf(l); \/\/ str \u7684\u503c\u4e3a '12345'<\/code><\/pre>\n<h3>\u65b9\u6cd5\u56db\uff1a\u4f7f\u7528Long\u6784\u9020\u51fd\u6570<\/h3>\n<p>Long\u6784\u9020\u51fd\u6570\u7684long\u53c2\u6570\u5728Java 9\u4e2d\u5df2\u5f03\u7528\uff0c\u4f46\u60a8\u5e94\u8be5\u4e86\u89e3\u5b83\u3002<\/p>\n<pre><code>long l = 12345L;\r\n\/\/\u4eceJava 9\u5f00\u59cb\u5f03\u7528\uff0c\u4e3a\u4e86\u66f4\u597d\u7684\u6027\u80fd\uff0c\u8bf7\u4f7f\u7528valueOf\u65b9\u6cd5\r\nString str = new Long(l).toString(); \/\/ str \u7684\u503c\u4e3a '12345'<\/code><\/pre>\n<h3>\u65b9\u6cd5\u4e94\uff1a\u4f7f\u7528String.format()\u65b9\u6cd5<\/h3>\n<pre><code>long l = 369L;\r\nString s = String.format(\"%d\", l); \/\/ s \u7684\u503c\u4e3a '369'<\/code><\/pre>\n<h3>\u65b9\u6cd5\u516d\uff1a\u4f7f\u7528DecimalFormat\u7c7b<\/h3>\n<pre><code>long l = 12345L;\r\nString str = DecimalFormat.getNumberInstance().format(l);\r\nSystem.out.println(str); \/\/str \u7684\u503c\u4e3a '12,345'\r\n\r\n\/\/\u5982\u679c\u4e0d\u60f3\u683c\u5f0f\u5316\r\nstr = new DecimalFormat(\"#\").format(l);\r\nSystem.out.println(str); \/\/str \u7684\u503c\u4e3a '12345'<\/code><\/pre>\n<h3>\u65b9\u6cd5\u4e03\uff1a\u4f7f\u7528StringBuilder\u6216StringBuffer<\/h3>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528StringBuilder\u548cStringBuffer\u7684append\u65b9\u6cd5\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002<\/p>\n<pre><code>long l = 12345L;\r\nString str = new StringBuilder().append(l).toString(); \/\/ str \u7684\u503c\u4e3a '12345'<\/code><\/pre>\n<h2>Java long\u7c7b\u578b\u8f6c\u6362\u4e3aString\u7684\u5b8c\u6574\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7a0b\u5e8f\uff0c\u5728\u8fd9\u4e2a\u7a0b\u5e8f\u4e2d\uff0c\u6211\u4eec\u5c06\u628along\u7c7b\u578b\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u5e76\u4f7f\u7528\u524d\u9762\u6240\u770b\u5230\u7684\u6240\u6709\u4e0d\u540c\u65b9\u6cd5\u8fdb\u884c\u6253\u5370\u3002<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.string;\r\n\r\nimport java.text.DecimalFormat;\r\n\r\npublic class JavaLongToString {\r\n\r\n    @SuppressWarnings(\"deprecation\")\r\n    public static void main(String[] args) {\r\n        long l = 12345L;\r\n        String str = Long.toString(l);\r\n        System.out.println(str);\r\n\r\n        str = String.valueOf(l);\r\n        System.out.println(str);\r\n\r\n        \/\/ \u4eceJava 9\u5f00\u59cb\u5f03\u7528\uff0c\u4e3a\u4e86\u66f4\u597d\u7684\u6027\u80fd\uff0c\u8bf7\u4f7f\u7528valueOf\u65b9\u6cd5\r\n        str = new Long(l).toString();\r\n        System.out.println(str);\r\n\r\n        str = String.format(\"%d\", l);\r\n        System.out.println(str);\r\n\r\n        str = l + \"\";\r\n        System.out.println(str);\r\n\r\n        str = DecimalFormat.getNumberInstance().format(l);\r\n        System.out.println(str);\r\n\r\n        str = new DecimalFormat(\"#\").format(l);\r\n        System.out.println(str);\r\n\r\n        str = new StringBuilder().append(l).toString();\r\n        System.out.println(str);\r\n    }\r\n}<\/code><\/pre>\n<p>\u5c06\u4e0a\u8ff0\u7a0b\u5e8f\u4e2d\u7684long\u7c7b\u578b\u7684\u503c\u66f4\u6539\u4e3a\u516b\u8fdb\u5236\u6216\u5341\u516d\u8fdb\u5236\u683c\u5f0f\uff0c\u60a8\u4f1a\u6ce8\u610f\u5230\u5b57\u7b26\u4e32\u8868\u793a\u59cb\u7ec8\u4e3a\u5341\u8fdb\u5236\u683c\u5f0f\u3002<\/p>\n<h2>\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3a\u6307\u5b9a\u8fdb\u5236\u7684\u5b57\u7b26\u4e32<\/h2>\n<p>\u5982\u679c\u6211\u4eec\u60f3\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3a\u4e0d\u540c\u8fdb\u5236\u7684\u5b57\u7b26\u4e32\uff0c\u800c\u4e0d\u662f\u9ed8\u8ba4\u7684\u5341\u8fdb\u5236\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Long\u7c7b\u7684\u65b9\u6cd5\u6765\u8fdb\u884c\u8fd9\u4e9b\u8f6c\u6362\u3002\u4e0b\u9762\u7684\u4ee3\u7801\u7247\u6bb5\u663e\u793a\u4e86\u5982\u4f55\u4ee5\u4e8c\u8fdb\u5236\u3001\u516b\u8fdb\u5236\u3001\u5341\u516d\u8fdb\u5236\u751a\u81f3\u81ea\u5b9a\u4e49\u8fdb\u5236\u7684\u683c\u5f0f\u83b7\u53d6long\u7c7b\u578b\u53d8\u91cf\u7684\u5b57\u7b26\u4e32\u8868\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code>long number = 45;\r\nSystem.out.println(Long.toBinaryString(number)); \/\/ \u8f93\u51fa: 101101 (\u4e8c\u8fdb\u5236)\r\nSystem.out.println(Long.toOctalString(number));  \/\/ \u8f93\u51fa: 55 (\u516b\u8fdb\u5236)\r\nSystem.out.println(Long.toHexString(number));   \/\/ \u8f93\u51fa: 2d (\u5341\u516d\u8fdb\u5236)\r\nSystem.out.println(Long.toString(number, 5));    \/\/ \u8f93\u51fa: 140 (\u4e94\u8fdb\u5236)<\/code><\/pre>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5173\u4e8e\u5728Java\u4e2d\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u5168\u90e8\u5185\u5bb9\u3002\u53c2\u8003\u8d44\u6599\uff1a<a href=\"https:\/\/docs.oracle.com\/javase\/8\/docs\/api\/java\/lang\/Long.html\" target=\"_blank\">Long API\u6587\u6863<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java long\u7c7b\u578b\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u591a\u79cd\u65b9\u6cd5\u8be6\u89e3 \u4eca\u5929\u6211\u4eec\u5c06\u5b66\u4e60\u5728Java\u4e2d\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u4e0d\u540c\u65b9 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[189,183,232,2129,641],"class_list":{"0":"post-801","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-java","10":"tag-longstring","11":"tag-641"},"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 long\u8f6cString\uff1a4\u79cd\u9ad8\u6548\u65b9\u6cd5\u4e0e\u5b9e\u4f8b - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecdJava\u4e2d\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3aString\u7684\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ecString.valueOf()\u3001Long.toString()\u3001\u7a7a\u5b57\u7b26\u4e32\u8fde\u63a5\u7b49\u6280\u5de7\u3002\u901a\u8fc7\u5b9e\u4f8b\u4ee3\u7801\u548c\u6027\u80fd\u5bf9\u6bd4\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u9009\u62e9\u6700\u9002\u5408\u7684long\u8f6cString\u65b9\u6848\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-long-\u8f6c\u6362\u4e3a-string\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java long\u8f6cString\uff1a4\u79cd\u9ad8\u6548\u65b9\u6cd5\u4e0e\u5b9e\u4f8b\" \/>\n<meta property=\"og:description\" content=\"\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecdJava\u4e2d\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3aString\u7684\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ecString.valueOf()\u3001Long.toString()\u3001\u7a7a\u5b57\u7b26\u4e32\u8fde\u63a5\u7b49\u6280\u5de7\u3002\u901a\u8fc7\u5b9e\u4f8b\u4ee3\u7801\u548c\u6027\u80fd\u5bf9\u6bd4\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u9009\u62e9\u6700\u9002\u5408\u7684long\u8f6cString\u65b9\u6848\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java-long-\u8f6c\u6362\u4e3a-string\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-10-04T17:16:56+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-03T00:59:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/656488dca4b2f92e6c73208b\/2-0.png\" \/>\n<meta name=\"author\" content=\"\u79d1, \u9896\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u79d1, \u9896\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \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-long-%e8%bd%ac%e6%8d%a2%e4%b8%ba-string\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/java-long-%e8%bd%ac%e6%8d%a2%e4%b8%ba-string\/\",\"name\":\"Java long\u8f6cString\uff1a4\u79cd\u9ad8\u6548\u65b9\u6cd5\u4e0e\u5b9e\u4f8b - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-10-04T17:16:56+00:00\",\"dateModified\":\"2025-08-03T00:59:12+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/8ca01ba7f7362ad4edb7da206a12f29e\"},\"description\":\"\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecdJava\u4e2d\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3aString\u7684\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ecString.valueOf()\u3001Long.toString()\u3001\u7a7a\u5b57\u7b26\u4e32\u8fde\u63a5\u7b49\u6280\u5de7\u3002\u901a\u8fc7\u5b9e\u4f8b\u4ee3\u7801\u548c\u6027\u80fd\u5bf9\u6bd4\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u9009\u62e9\u6700\u9002\u5408\u7684long\u8f6cString\u65b9\u6848\u3002\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/java-long-%e8%bd%ac%e6%8d%a2%e4%b8%ba-string\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/java-long-%e8%bd%ac%e6%8d%a2%e4%b8%ba-string\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/java-long-%e8%bd%ac%e6%8d%a2%e4%b8%ba-string\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Java long\u8f6cString\uff1a4\u79cd\u9ad8\u6548\u65b9\u6cd5\u4e0e\u5b9e\u4f8b\"}]},{\"@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\/8ca01ba7f7362ad4edb7da206a12f29e\",\"name\":\"\u79d1, \u9896\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/8a6fb3cc7ba2f69d2189ba532aec4633ea7ed75ac0af162ec367cb3abc0fb2af?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/8a6fb3cc7ba2f69d2189ba532aec4633ea7ed75ac0af162ec367cb3abc0fb2af?s=96&d=mm&r=g\",\"caption\":\"\u79d1, \u9896\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/keying\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/java-long-%e8%bd%ac%e6%8d%a2%e4%b8%ba-string\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Java long\u8f6cString\uff1a4\u79cd\u9ad8\u6548\u65b9\u6cd5\u4e0e\u5b9e\u4f8b - Blog - Silicon Cloud","description":"\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecdJava\u4e2d\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3aString\u7684\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ecString.valueOf()\u3001Long.toString()\u3001\u7a7a\u5b57\u7b26\u4e32\u8fde\u63a5\u7b49\u6280\u5de7\u3002\u901a\u8fc7\u5b9e\u4f8b\u4ee3\u7801\u548c\u6027\u80fd\u5bf9\u6bd4\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u9009\u62e9\u6700\u9002\u5408\u7684long\u8f6cString\u65b9\u6848\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-long-\u8f6c\u6362\u4e3a-string\/","og_locale":"zh_CN","og_type":"article","og_title":"Java long\u8f6cString\uff1a4\u79cd\u9ad8\u6548\u65b9\u6cd5\u4e0e\u5b9e\u4f8b","og_description":"\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecdJava\u4e2d\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3aString\u7684\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ecString.valueOf()\u3001Long.toString()\u3001\u7a7a\u5b57\u7b26\u4e32\u8fde\u63a5\u7b49\u6280\u5de7\u3002\u901a\u8fc7\u5b9e\u4f8b\u4ee3\u7801\u548c\u6027\u80fd\u5bf9\u6bd4\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u9009\u62e9\u6700\u9002\u5408\u7684long\u8f6cString\u65b9\u6848\u3002","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/java-long-\u8f6c\u6362\u4e3a-string\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-10-04T17:16:56+00:00","article_modified_time":"2025-08-03T00:59:12+00:00","og_image":[{"url":"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/656488dca4b2f92e6c73208b\/2-0.png"}],"author":"\u79d1, \u9896","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u79d1, \u9896","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/java-long-%e8%bd%ac%e6%8d%a2%e4%b8%ba-string\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/java-long-%e8%bd%ac%e6%8d%a2%e4%b8%ba-string\/","name":"Java long\u8f6cString\uff1a4\u79cd\u9ad8\u6548\u65b9\u6cd5\u4e0e\u5b9e\u4f8b - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-10-04T17:16:56+00:00","dateModified":"2025-08-03T00:59:12+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/8ca01ba7f7362ad4edb7da206a12f29e"},"description":"\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecdJava\u4e2d\u5c06long\u7c7b\u578b\u8f6c\u6362\u4e3aString\u7684\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ecString.valueOf()\u3001Long.toString()\u3001\u7a7a\u5b57\u7b26\u4e32\u8fde\u63a5\u7b49\u6280\u5de7\u3002\u901a\u8fc7\u5b9e\u4f8b\u4ee3\u7801\u548c\u6027\u80fd\u5bf9\u6bd4\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u9009\u62e9\u6700\u9002\u5408\u7684long\u8f6cString\u65b9\u6848\u3002","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/java-long-%e8%bd%ac%e6%8d%a2%e4%b8%ba-string\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/java-long-%e8%bd%ac%e6%8d%a2%e4%b8%ba-string\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/java-long-%e8%bd%ac%e6%8d%a2%e4%b8%ba-string\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"Java long\u8f6cString\uff1a4\u79cd\u9ad8\u6548\u65b9\u6cd5\u4e0e\u5b9e\u4f8b"}]},{"@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\/8ca01ba7f7362ad4edb7da206a12f29e","name":"\u79d1, \u9896","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/8a6fb3cc7ba2f69d2189ba532aec4633ea7ed75ac0af162ec367cb3abc0fb2af?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8a6fb3cc7ba2f69d2189ba532aec4633ea7ed75ac0af162ec367cb3abc0fb2af?s=96&d=mm&r=g","caption":"\u79d1, \u9896"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/keying\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/java-long-%e8%bd%ac%e6%8d%a2%e4%b8%ba-string\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/801","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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=801"}],"version-history":[{"count":4,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/801\/revisions"}],"predecessor-version":[{"id":110707,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/801\/revisions\/110707"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}