{"id":61845,"date":"2024-10-13T14:10:17","date_gmt":"2024-10-13T06:10:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61845\/"},"modified":"2024-10-13T14:10:17","modified_gmt":"2024-10-13T06:10:17","slug":"java%e9%96%8b%e7%99%bc%ef%bc%8c%e5%85%88%e5%ad%b8%e6%95%b8%e6%93%9a%e5%ba%ab%e9%82%84%e6%98%af%e5%ad%b8%e8%aa%9e%e8%a8%80%ef%bc%9f-java%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%88%e5%ad%b8%e5%93%aa%e5%80%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61845\/","title":{"rendered":"Java\u958b\u767c\uff0c\u5148\u5b78\u6578\u64da\u5eab\u9084\u662f\u5b78\u8a9e\u8a00\uff1f (java\u6578\u64da\u5eab\u5148\u5b78\u54ea\u500b)"},"content":{"rendered":"<h1 id=\"java%e9%96%8b%e7%99%bc%ef%bc%8c%e5%85%88%e5%ad%b8%e6%95%b8%e6%93%9a%e5%ba%ab%e9%82%84%e6%98%af%e5%ad%b8%e8%aa%9e%e8%a8%80%ef%bc%9f-VtMJnBhIDg\">Java\u958b\u767c\uff0c\u5148\u5b78\u6578\u64da\u5eab\u9084\u662f\u5b78\u8a9e\u8a00\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u9818\u57df\uff0cJava\u4f5c\u70ba\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u7121\u7591\u662f\u8a31\u591a\u958b\u767c\u8005\u7684\u9996\u9078\u3002\u7136\u800c\uff0c\u5c0d\u65bc\u521d\u5b78\u8005\u4f86\u8aaa\uff0c\u9762\u5c0d\u5b78\u7fd2\u7684\u9078\u64c7\uff0c\u5e38\u5e38\u6703\u7522\u751f\u7591\u554f\uff1a\u5728Java\u958b\u767c\u4e2d\uff0c\u61c9\u8a72\u5148\u5b78\u7fd2\u6578\u64da\u5eab\u9084\u662f\u5148\u5b78\u7fd2Java\u8a9e\u8a00\u672c\u8eab\uff1f\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u4e00\u554f\u984c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6709\u7528\u7684\u898b\u89e3\u3002<\/p>\n<h2 id=\"java%e8%aa%9e%e8%a8%80%e7%9a%84%e5%9f%ba%e7%a4%8e-VtMJnBhIDg\">Java\u8a9e\u8a00\u7684\u57fa\u790e<\/h2>\n<p>Java\u662f\u4e00\u7a2e\u9762\u5411\u5c0d\u8c61\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u5177\u6709\u5e73\u53f0\u7368\u7acb\u6027\u548c\u5f37\u5927\u7684\u5eab\u652f\u6301\u3002\u5b78\u7fd2Java\u8a9e\u8a00\u7684\u57fa\u790e\u77e5\u8b58\uff0c\u5305\u62ec\u8a9e\u6cd5\u3001\u6578\u64da\u985e\u578b\u3001\u63a7\u5236\u7d50\u69cb\u3001\u9762\u5411\u5c0d\u8c61\u7684\u6982\u5ff5\uff08\u5982\u985e\u3001\u5c0d\u8c61\u3001\u7e7c\u627f\u548c\u591a\u614b\u6027\uff09\u7b49\uff0c\u5c0d\u65bc\u5f8c\u7e8c\u7684\u958b\u767c\u5de5\u4f5c\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<pre><code>public class HelloWorld {\n    public static void main(String[] args) {\n        System.out.println(\"Hello, World!\");\n    }\n}\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u78bc\u5c55\u793a\u4e86Java\u7684\u57fa\u672c\u7d50\u69cb\uff0c\u521d\u5b78\u8005\u9700\u8981\u719f\u6089\u9019\u4e9b\u57fa\u672c\u6982\u5ff5\uff0c\u4ee5\u4fbf\u80fd\u5920\u7de8\u5beb\u548c\u7406\u89e3\u66f4\u8907\u96dc\u7684\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e8%a7%92%e8%89%b2-VtMJnBhIDg\">\u6578\u64da\u5eab\u7684\u89d2\u8272<\/h2>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6578\u64da\u5eab\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002\u7121\u8ad6\u662f\u7528\u6236\u6578\u64da\u3001\u4ea4\u6613\u8a18\u9304\u9084\u662f\u61c9\u7528\u7a0b\u5e8f\u914d\u7f6e\uff0c\u6578\u64da\u5eab\u90fd\u662f\u5b58\u5132\u548c\u7ba1\u7406\u9019\u4e9b\u4fe1\u606f\u7684\u6838\u5fc3\u3002\u5b78\u7fd2\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5\uff0c\u5982\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982MySQL\u3001PostgreSQL\uff09\u548c\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982MongoDB\uff09\uff0c\u5c0d\u65bc\u958b\u767c\u8005\u4f86\u8aaa\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002<\/p>\n<h3 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9f%ba%e7%a4%8e%e7%9f%a5%e8%ad%98-VtMJnBhIDg\">\u6578\u64da\u5eab\u57fa\u790e\u77e5\u8b58<\/h3>\n<ul>\n<li><strong>SQL\u8a9e\u8a00\uff1a<\/strong>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528SQL\u9032\u884c\u6578\u64da\u67e5\u8a62\u548c\u64cd\u4f5c\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/li>\n<li><strong>\u6578\u64da\u6a21\u578b\uff1a<\/strong>\u7406\u89e3\u6578\u64da\u5eab\u7684\u7d50\u69cb\uff0c\u5305\u62ec\u8868\u3001\u884c\u3001\u5217\u53ca\u5176\u95dc\u4fc2\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u8a2d\u8a08\uff1a<\/strong>\u5b78\u7fd2\u5982\u4f55\u8a2d\u8a08\u4e00\u500b\u6709\u6548\u7684\u6578\u64da\u5eab\u67b6\u69cb\uff0c\u4ee5\u652f\u6301\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%ad%b8%e7%bf%92%e9%a0%86%e5%ba%8f%e7%9a%84%e8%80%83%e9%87%8f-VtMJnBhIDg\">\u5b78\u7fd2\u9806\u5e8f\u7684\u8003\u91cf<\/h2>\n<p>\u90a3\u9ebc\uff0c\u7a76\u7adf\u61c9\u8a72\u5148\u5b78\u7fd2Java\u8a9e\u8a00\u9084\u662f\u6578\u64da\u5eab\u5462\uff1f\u9019\u53d6\u6c7a\u65bc\u500b\u4eba\u7684\u5b78\u7fd2\u76ee\u6a19\u548c\u80cc\u666f\u3002\u5982\u679c\u4f60\u662f\u4e00\u540d\u5b8c\u5168\u7684\u521d\u5b78\u8005\uff0c\u5efa\u8b70\u5148\u5b78\u7fd2Java\u8a9e\u8a00\u7684\u57fa\u790e\uff0c\u56e0\u70ba\u9019\u5c07\u5e6b\u52a9\u4f60\u7406\u89e3\u5982\u4f55\u7de8\u5beb\u4ee3\u78bc\u548c\u89e3\u6c7a\u554f\u984c\u3002\u638c\u63e1\u4e86Java\u7684\u57fa\u672c\u6982\u5ff5\u5f8c\uff0c\u518d\u9032\u4e00\u6b65\u5b78\u7fd2\u6578\u64da\u5eab\u7684\u77e5\u8b58\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5c07\u6578\u64da\u5b58\u5132\u548c\u6aa2\u7d22\u8207\u4f60\u7684Java\u61c9\u7528\u7a0b\u5e8f\u7d50\u5408\u8d77\u4f86\u3002<\/p>\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u5982\u679c\u4f60\u5df2\u7d93\u5177\u5099\u4e00\u5b9a\u7684\u7de8\u7a0b\u57fa\u790e\uff0c\u4e26\u4e14\u5e0c\u671b\u5c08\u6ce8\u65bc\u5168\u68e7\u958b\u767c\uff0c\u90a3\u9ebc\u540c\u6642\u5b78\u7fd2Java\u548c\u6578\u64da\u5eab\u53ef\u80fd\u662f\u4e00\u500b\u66f4\u6709\u6548\u7684\u9078\u64c7\u3002\u9019\u6a23\u53ef\u4ee5\u8b93\u4f60\u5728\u958b\u767c\u904e\u7a0b\u4e2d\u5373\u6642\u61c9\u7528\u6240\u5b78\u7684\u77e5\u8b58\uff0c\u589e\u5f37\u5b78\u7fd2\u7684\u6548\u679c\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e7%a4%ba%e4%be%8b-VtMJnBhIDg\">\u5be6\u969b\u61c9\u7528\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Java\u61c9\u7528\u7a0b\u5e8f\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\u4e26\u57f7\u884c\u67e5\u8a62\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.ResultSet;\nimport java.sql.Statement;\n\npublic class DatabaseExample {\n    public static void main(String[] args) {\n        try {\n            Connection conn = DriverManager.getConnection(\"jdbc:mysql:\/\/localhost:3306\/mydatabase\", \"user\", \"password\");\n            Statement stmt = conn.createStatement();\n            ResultSet rs = stmt.executeQuery(\"SELECT * FROM users\");\n            while (rs.next()) {\n                System.out.println(\"User: \" + rs.getString(\"username\"));\n            }\n            conn.close();\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Java\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\u4e26\u67e5\u8a62\u7528\u6236\u4fe1\u606f\u3002\u9019\u6a23\u7684\u5be6\u8e10\u80fd\u5920\u5e6b\u52a9\u5b78\u7fd2\u8005\u66f4\u597d\u5730\u7406\u89e3Java\u8207\u6578\u64da\u5eab\u4e4b\u9593\u7684\u4e92\u52d5\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-VtMJnBhIDg\">\u7e3d\u7d50<\/h2>\n<p>\u5728Java\u958b\u767c\u4e2d\uff0c\u7121\u8ad6\u662f\u5148\u5b78\u7fd2\u8a9e\u8a00\u9084\u662f\u6578\u64da\u5eab\uff0c\u6700\u7d42\u7684\u76ee\u6a19\u90fd\u662f\u70ba\u4e86\u80fd\u5920\u958b\u767c\u51fa\u9ad8\u6548\u3001\u7a69\u5b9a\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u5c0d\u65bc\u521d\u5b78\u8005\u4f86\u8aaa\uff0c\u5efa\u8b70\u5148\u638c\u63e1Java\u8a9e\u8a00\u7684\u57fa\u790e\uff0c\u7136\u5f8c\u518d\u6df1\u5165\u5b78\u7fd2\u6578\u64da\u5eab\u7684\u77e5\u8b58\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u5c0d\u65bc\u5168\u68e7\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u540c\u6642\u5b78\u7fd2\u5169\u8005\u4e5f\u662f\u4e00\u500b\u4e0d\u932f\u7684\u9078\u64c7\u3002\u7121\u8ad6\u4f60\u9078\u64c7\u54ea\u689d\u8def\uff0c\u6301\u7e8c\u7684\u5b78\u7fd2\u548c\u5be6\u8e10\u90fd\u662f\u6210\u529f\u7684\u95dc\u9375\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5c0d\u65bc\u4f3a\u670d\u5668\u67b6\u69cb\u6709\u8208\u8da3\uff0c\u4e26\u5e0c\u671b\u4e86\u89e3\u66f4\u591a\u6709\u95dc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Java\u958b\u767c\u4e2d\uff0c\u5148\u5b78\u6578\u64da\u5eab\u9084\u662f\u8a9e\u8a00\u7684\u6700\u4f73\u9806\u5e8f\uff0c\u52a9\u4f60\u9ad8\u6548\u638c\u63e1\u6280\u80fd\uff0c\u63d0\u5347\u958b\u767c\u80fd\u529b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-61845","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61845","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=61845"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61845\/revisions"}],"predecessor-version":[{"id":61846,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61845\/revisions\/61846"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}