{"id":61939,"date":"2024-10-13T14:53:16","date_gmt":"2024-10-13T06:53:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61939\/"},"modified":"2024-10-13T14:53:16","modified_gmt":"2024-10-13T06:53:16","slug":"java%e9%96%8b%e7%99%bc%e6%95%99%e7%a8%8b%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e4%b8%ad%e6%96%b0%e5%a2%9e%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c%e8%a9%b3%e8%a7%a3-java%e5%90%91%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61939\/","title":{"rendered":"Java\u958b\u767c\u6559\u7a0b\uff1a\u6578\u64da\u5eab\u8868\u4e2d\u65b0\u589e\u6578\u64da\u64cd\u4f5c\u8a73\u89e3 (java\u5411\u6578\u64da\u5eab\u8868\u4e2d\u589e\u52a0\u5143\u7d20)"},"content":{"rendered":"<h1 id=\"java%e9%96%8b%e7%99%bc%e6%95%99%e7%a8%8b%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e4%b8%ad%e6%96%b0%e5%a2%9e%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c%e8%a9%b3%e8%a7%a3-BtqCRWZIcQ\">Java\u958b\u767c\u6559\u7a0b\uff1a\u6578\u64da\u5eab\u8868\u4e2d\u65b0\u589e\u6578\u64da\u64cd\u4f5c\u8a73\u89e3<\/h1>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u64cd\u4f5c\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002Java\u4f5c\u70ba\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u5f0f\u4f86\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728\u6578\u64da\u5eab\u8868\u4e2d\u65b0\u589e\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u4ee3\u78bc\u793a\u4f8b\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u904e\u7a0b\u3002<\/p>\n<h2 id=\"1-%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-BtqCRWZIcQ\">1. \u74b0\u5883\u6e96\u5099<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86\u4ee5\u4e0b\u74b0\u5883\uff1a<\/p>\n<ul>\n<li>Java Development Kit (JDK)<\/li>\n<li>\u4e00\u500b\u652f\u6301\u7684\u6578\u64da\u5eab\uff08\u5982MySQL\u3001PostgreSQL\u7b49\uff09<\/li>\n<li>\u76f8\u61c9\u7684JDBC\u9a45\u52d5\u7a0b\u5e8f<\/li>\n<\/ul>\n<h2 id=\"2-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-BtqCRWZIcQ\">2. \u6578\u64da\u5eab\u9023\u63a5<\/h2>\n<p>\u5728Java\u4e2d\uff0c\u4f7f\u7528JDBC\uff08Java Database Connectivity\uff09\u4f86\u9023\u63a5\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\nimport java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\n\npublic class DatabaseConnection {\n    public static Connection getConnection() {\n        Connection connection = null;\n        try {\n            String url = \"jdbc:mysql:\/\/localhost:3306\/your_database\";\n            String user = \"your_username\";\n            String password = \"your_password\";\n            connection = DriverManager.getConnection(url, user, password);\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n        return connection;\n    }\n}\n<\/code><\/pre>\n<h2 id=\"3-%e6%96%b0%e5%a2%9e%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c-BtqCRWZIcQ\">3. \u65b0\u589e\u6578\u64da\u64cd\u4f5c<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u60a8\u5c31\u53ef\u4ee5\u958b\u59cb\u57f7\u884c\u65b0\u589e\u6578\u64da\u7684\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528PreparedStatement\u4f86\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nimport java.sql.Connection;\nimport java.sql.PreparedStatement;\nimport java.sql.SQLException;\n\npublic class InsertData {\n    public static void insertRecord(String name, int age) {\n        String sql = \"INSERT INTO users (name, age) VALUES (?, ?)\";\n        try (Connection connection = DatabaseConnection.getConnection();\n             PreparedStatement preparedStatement = connection.prepareStatement(sql)) {\n             \n            preparedStatement.setString(1, name);\n            preparedStatement.setInt(2, age);\n            int rowsAffected = preparedStatement.executeUpdate();\n            System.out.println(rowsAffected + \" record(s) inserted.\");\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"4-%e5%ae%8c%e6%95%b4%e7%a4%ba%e4%be%8b-BtqCRWZIcQ\">4. \u5b8c\u6574\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5b8c\u6574\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728\u4e3b\u7a0b\u5e8f\u4e2d\u8abf\u7528\u65b0\u589e\u6578\u64da\u7684\u65b9\u6cd5\uff1a<\/p>\n<pre><code>\npublic class Main {\n    public static void main(String[] args) {\n        InsertData.insertRecord(\"John Doe\", 30);\n    }\n}\n<\/code><\/pre>\n<h2 id=\"5-%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-BtqCRWZIcQ\">5. \u932f\u8aa4\u8655\u7406<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u932f\u8aa4\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u60a8\u61c9\u8a72\u8003\u616e\u5230\u53ef\u80fd\u51fa\u73fe\u7684\u5404\u7a2e\u7570\u5e38\u60c5\u6cc1\uff0c\u4f8b\u5982\u9023\u63a5\u5931\u6557\u3001SQL\u8a9e\u6cd5\u932f\u8aa4\u7b49\u3002\u4f7f\u7528try-catch\u584a\u4f86\u6355\u7372\u9019\u4e9b\u7570\u5e38\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\u3002<\/p>\n<h2 id=\"6-%e7%b8%bd%e7%b5%90-BtqCRWZIcQ\">6. \u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u5728Java\u4e2d\u5411\u6578\u64da\u5eab\u8868\u4e2d\u65b0\u589e\u6578\u64da\u7684\u57fa\u672c\u64cd\u4f5c\uff0c\u5305\u62ec\u6578\u64da\u5eab\u9023\u63a5\u3001\u4f7f\u7528PreparedStatement\u63d2\u5165\u6578\u64da\u4ee5\u53ca\u932f\u8aa4\u8655\u7406\u3002\u9019\u4e9b\u77e5\u8b58\u5c0d\u65bc\u958b\u767c\u8005\u5728\u5be6\u969b\u9805\u76ee\u4e2d\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684Java\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u61c9\u7528\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728Java\u4e2d\u5411\u6578\u64da\u5eab\u8868\u4e2d\u65b0\u589e\u6578\u64da\uff0c\u8a73\u7d30\u6b65\u9a5f\u8207\u793a\u4f8b\uff0c\u52a9\u4f60\u8f15\u9b06\u638c\u63e1\u6578\u64da\u64cd\u4f5c\u6280\u5de7\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-61939","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61939","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=61939"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61939\/revisions"}],"predecessor-version":[{"id":61940,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61939\/revisions\/61940"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61939"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61939"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61939"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}