{"id":61851,"date":"2024-10-13T14:12:18","date_gmt":"2024-10-13T06:12:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61851\/"},"modified":"2024-10-13T14:12:18","modified_gmt":"2024-10-13T06:12:18","slug":"java%e6%95%b8%e6%93%9a%e5%ba%ab%e5%af%ab%e5%85%a5%e6%8c%87%e5%8d%97%ef%bc%9a%e5%85%a8%e9%9d%a2%e6%8e%8c%e6%8f%a1java%e5%a6%82%e4%bd%95%e5%90%91%e6%95%b8%e6%93%9a%e5%ba%ab%e5%af%ab%e5%85%a5%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61851\/","title":{"rendered":"Java\u6578\u64da\u5eab\u5beb\u5165\u6307\u5357\uff1a\u5168\u9762\u638c\u63e1Java\u5982\u4f55\u5411\u6578\u64da\u5eab\u5beb\u5165\u6578\u64da (java\u5982\u4f55\u5beb\u5165\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"java%e6%95%b8%e6%93%9a%e5%ba%ab%e5%af%ab%e5%85%a5%e6%8c%87%e5%8d%97%ef%bc%9a%e5%85%a8%e9%9d%a2%e6%8e%8c%e6%8f%a1java%e5%a6%82%e4%bd%95%e5%90%91%e6%95%b8%e6%93%9a%e5%ba%ab%e5%af%ab%e5%85%a5%e6%95%b8-DIJyIdVPbf\">Java\u6578\u64da\u5eab\u5beb\u5165\u6307\u5357\uff1a\u5168\u9762\u638c\u63e1Java\u5982\u4f55\u5411\u6578\u64da\u5eab\u5beb\u5165\u6578\u64da<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u5df2\u6210\u70ba\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\u6cd5\u4f86\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Java\u5411\u6578\u64da\u5eab\u5beb\u5165\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\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-DIJyIdVPbf\">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-%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-DIJyIdVPbf\">2. \u9023\u63a5\u6578\u64da\u5eab<\/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\u6b65\u9a5f\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\n\npublic class DatabaseConnection {\n    public static Connection connect() {\n        Connection connection = null;\n        try {\n            \/\/ \u52a0\u8f09JDBC\u9a45\u52d5\n            Class.forName(\"com.mysql.cj.jdbc.Driver\");\n            \/\/ \u5efa\u7acb\u9023\u63a5\n            connection = DriverManager.getConnection(\"jdbc:mysql:\/\/localhost:3306\/your_database\", \"username\", \"password\");\n        } catch (ClassNotFoundException | SQLException e) {\n            e.printStackTrace();\n        }\n        return connection;\n    }\n}\n<\/code><\/pre>\n<h2 id=\"3-%e5%af%ab%e5%85%a5%e6%95%b8%e6%93%9a-DIJyIdVPbf\">3. \u5beb\u5165\u6578\u64da<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u60a8\u5c31\u53ef\u4ee5\u958b\u59cb\u5beb\u5165\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5c07\u6578\u64da\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\uff1a<\/p>\n<pre><code>import 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.connect();\n             PreparedStatement preparedStatement = connection.prepareStatement(sql)) {\n            preparedStatement.setString(1, name);\n            preparedStatement.setInt(2, age);\n            preparedStatement.executeUpdate();\n            System.out.println(\"\u6578\u64da\u63d2\u5165\u6210\u529f\uff01\");\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e4%ba%8b%e5%8b%99%e7%ae%a1%e7%90%86%e6%95%b8%e6%93%9a%e5%af%ab%e5%85%a5-DIJyIdVPbf\">4. \u4f7f\u7528\u4e8b\u52d9\u7ba1\u7406\u6578\u64da\u5beb\u5165<\/h2>\n<p>\u5728\u9032\u884c\u591a\u500b\u6578\u64da\u5beb\u5165\u64cd\u4f5c\u6642\uff0c\u4f7f\u7528\u4e8b\u52d9\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528\u4e8b\u52d9\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>public class TransactionExample {\n    public static void insertMultipleRecords() {\n        String sql1 = \"INSERT INTO users (name, age) VALUES (?, ?)\";\n        String sql2 = \"INSERT INTO users (name, age) VALUES (?, ?)\";\n        \n        try (Connection connection = DatabaseConnection.connect()) {\n            connection.setAutoCommit(false); \/\/ \u958b\u59cb\u4e8b\u52d9\n            \n            try (PreparedStatement preparedStatement1 = connection.prepareStatement(sql1);\n                 PreparedStatement preparedStatement2 = connection.prepareStatement(sql2)) {\n                preparedStatement1.setString(1, \"Alice\");\n                preparedStatement1.setInt(2, 30);\n                preparedStatement1.executeUpdate();\n                \n                preparedStatement2.setString(1, \"Bob\");\n                preparedStatement2.setInt(2, 25);\n                preparedStatement2.executeUpdate();\n                \n                connection.commit(); \/\/ \u63d0\u4ea4\u4e8b\u52d9\n                System.out.println(\"\u591a\u689d\u6578\u64da\u63d2\u5165\u6210\u529f\uff01\");\n            } catch (SQLException e) {\n                connection.rollback(); \/\/ \u56de\u6efe\u4e8b\u52d9\n                e.printStackTrace();\n            }\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"5-%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-DIJyIdVPbf\">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\u4f7f\u7528try-catch\u584a\u4f86\u6355\u7372SQLException\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DIJyIdVPbf\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528Java\u5411\u6578\u64da\u5eab\u5beb\u5165\u6578\u64da\u7684\u57fa\u672c\u6b65\u9a5f\uff0c\u5305\u62ec\u9023\u63a5\u6578\u64da\u5eab\u3001\u63d2\u5165\u6578\u64da\u3001\u4f7f\u7528\u4e8b\u52d9\u4ee5\u53ca\u932f\u8aa4\u8655\u7406\u3002\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u6280\u80fd\u5f8c\uff0c\u60a8\u5c07\u80fd\u5920\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u64cd\u4f5c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684Java\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u670d\u52d9\u3002\u7121\u8ad6\u662f\u958b\u767c\u74b0\u5883\u9084\u662f\u751f\u7522\u74b0\u5883\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1Java\u6578\u64da\u5eab\u5beb\u5165\u6280\u5de7\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u5730\u5c07\u6578\u64da\u5beb\u5165\u6578\u64da\u5eab\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\u8207\u6578\u64da\u7ba1\u7406\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-61851","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61851","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=61851"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61851\/revisions"}],"predecessor-version":[{"id":61852,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61851\/revisions\/61852"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61851"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61851"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}