{"id":194531,"date":"2024-11-13T07:26:23","date_gmt":"2024-11-12T23:26:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194531\/"},"modified":"2024-11-13T07:26:24","modified_gmt":"2024-11-12T23:26:24","slug":"%e7%94%a8jdbc%e9%80%a3%e6%8e%a5mysql%e9%80%b2%e8%a1%8c%e5%a2%9e%e5%88%aa%e6%94%b9%e6%9f%a5%e6%93%8d%e4%bd%9c-jdbc%e9%80%a3%e6%8e%a5mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a2%9e%e5%88%aa%e6%94%b9%e6%9f%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194531\/","title":{"rendered":"\u7528JDBC\u9023\u63a5MySQL\u9032\u884c\u589e\u522a\u6539\u67e5\u64cd\u4f5c (jdbc\u9023\u63a5mysql\u6578\u64da\u5eab\u589e\u522a\u6539\u67e5)"},"content":{"rendered":"<h1 id=\"%e7%94%a8jdbc%e9%80%a3%e6%8e%a5mysql%e9%80%b2%e8%a1%8c%e5%a2%9e%e5%88%aa%e6%94%b9%e6%9f%a5%e6%93%8d%e4%bd%9c-hVfsgqbVkL\">\u7528JDBC\u9023\u63a5MySQL\u9032\u884c\u589e\u522a\u6539\u67e5\u64cd\u4f5c<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002Java\u6578\u64da\u5eab\u9023\u63a5\uff08JDBC\uff09\u662f\u4e00\u500b\u91cd\u8981\u7684API\uff0c\u5141\u8a31Java\u61c9\u7528\u7a0b\u5e8f\u8207\u5404\u7a2e\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528JDBC\u9023\u63a5MySQL\u6578\u64da\u5eab\uff0c\u4e26\u9032\u884c\u57fa\u672c\u7684\u589e\u522a\u6539\u67e5\uff08CRUD\uff09\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"jdbc%e7%b0%a1%e4%bb%8b-hVfsgqbVkL\">JDBC\u7c21\u4ecb<\/h2>\n<p>JDBC\u662f\u4e00\u500bJava API\uff0c\u63d0\u4f9b\u4e86\u4e00\u7d44\u6a19\u6e96\u7684\u63a5\u53e3\u4f86\u9023\u63a5\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u3002\u5b83\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\uff0c\u5305\u62ecMySQL\u3001Oracle\u3001PostgreSQL\u7b49\u3002\u4f7f\u7528JDBC\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u57f7\u884cSQL\u67e5\u8a62\u3001\u66f4\u65b0\u6578\u64da\u4ee5\u53ca\u8655\u7406\u7d50\u679c\u96c6\u3002<\/p>\n<h2 id=\"%e7%92%b0%e5%a2%83%e8%a8%ad%e7%bd%ae-hVfsgqbVkL\">\u74b0\u5883\u8a2d\u7f6e<\/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>MySQL\u6578\u64da\u5eab<\/li>\n<li>MySQL JDBC\u9a45\u52d5\u7a0b\u5e8f\uff08mysql-connector-java\uff09<\/li>\n<\/ul>\n<p>\u60a8\u53ef\u4ee5\u5f9eMySQL\u7684\u5b98\u65b9\u7db2\u7ad9\u4e0b\u8f09JDBC\u9a45\u52d5\u7a0b\u5e8f\uff0c\u4e26\u5c07\u5176\u6dfb\u52a0\u5230\u60a8\u7684Java\u9805\u76ee\u7684\u985e\u8def\u5f91\u4e2d\u3002<\/p>\n<h2 id=\"%e9%80%a3%e6%8e%a5mysql%e6%95%b8%e6%93%9a%e5%ba%ab-hVfsgqbVkL\">\u9023\u63a5MySQL\u6578\u64da\u5eab<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528JDBC\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u4ee3\u78bc\u793a\u4f8b\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\n\npublic class MySQLConnection {\n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/your_database\";\n        String user = \"your_username\";\n        String password = \"your_password\";\n\n        try {\n            Connection connection = DriverManager.getConnection(url, user, password);\n            System.out.println(\"\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff01\");\n            connection.close();\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}<\/code><\/pre>\n<h2 id=\"%e5%a2%9e%e5%88%aa%e6%94%b9%e6%9f%a5%e6%93%8d%e4%bd%9c-hVfsgqbVkL\">\u589e\u522a\u6539\u67e5\u64cd\u4f5c<\/h2>\n<h3 id=\"1-%e5%a2%9e%e5%8a%a0%e6%95%b8%e6%93%9a-hVfsgqbVkL\">1. \u589e\u52a0\u6578\u64da<\/h3>\n<p>\u8981\u5411\u6578\u64da\u5eab\u4e2d\u63d2\u5165\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528INSERT\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.PreparedStatement;\nimport java.sql.SQLException;\n\npublic class InsertData {\n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/your_database\";\n        String user = \"your_username\";\n        String password = \"your_password\";\n\n        String sql = \"INSERT INTO users (name, email) VALUES (?, ?)\";\n\n        try (Connection connection = DriverManager.getConnection(url, user, password);\n             PreparedStatement preparedStatement = connection.prepareStatement(sql)) {\n            preparedStatement.setString(1, \"John Doe\");\n            preparedStatement.setString(2, \"john@example.com\");\n            preparedStatement.executeUpdate();\n            System.out.println(\"\u6578\u64da\u63d2\u5165\u6210\u529f\uff01\");\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}<\/code><\/pre>\n<h3 id=\"2-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-hVfsgqbVkL\">2. \u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u67e5\u8a62\u6578\u64da\u53ef\u4ee5\u4f7f\u7528SELECT\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.ResultSet;\nimport java.sql.SQLException;\nimport java.sql.Statement;\n\npublic class QueryData {\n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/your_database\";\n        String user = \"your_username\";\n        String password = \"your_password\";\n\n        String sql = \"SELECT * FROM users\";\n\n        try (Connection connection = DriverManager.getConnection(url, user, password);\n             Statement statement = connection.createStatement();\n             ResultSet resultSet = statement.executeQuery(sql)) {\n            while (resultSet.next()) {\n                System.out.println(\"ID: \" + resultSet.getInt(\"id\") + \", Name: \" + resultSet.getString(\"name\"));\n            }\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}<\/code><\/pre>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-hVfsgqbVkL\">3. \u66f4\u65b0\u6578\u64da<\/h3>\n<p>\u8981\u66f4\u65b0\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528UPDATE\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u66f4\u65b0\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.PreparedStatement;\nimport java.sql.SQLException;\n\npublic class UpdateData {\n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/your_database\";\n        String user = \"your_username\";\n        String password = \"your_password\";\n\n        String sql = \"UPDATE users SET email = ? WHERE name = ?\";\n\n        try (Connection connection = DriverManager.getConnection(url, user, password);\n             PreparedStatement preparedStatement = connection.prepareStatement(sql)) {\n            preparedStatement.setString(1, \"john.doe@example.com\");\n            preparedStatement.setString(2, \"John Doe\");\n            preparedStatement.executeUpdate();\n            System.out.println(\"\u6578\u64da\u66f4\u65b0\u6210\u529f\uff01\");\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}<\/code><\/pre>\n<h3 id=\"4-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-hVfsgqbVkL\">4. \u522a\u9664\u6578\u64da<\/h3>\n<p>\u8981\u522a\u9664\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528DELETE\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u522a\u9664\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.PreparedStatement;\nimport java.sql.SQLException;\n\npublic class DeleteData {\n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/your_database\";\n        String user = \"your_username\";\n        String password = \"your_password\";\n\n        String sql = \"DELETE FROM users WHERE name = ?\";\n\n        try (Connection connection = DriverManager.getConnection(url, user, password);\n             PreparedStatement preparedStatement = connection.prepareStatement(sql)) {\n            preparedStatement.setString(1, \"John Doe\");\n            preparedStatement.executeUpdate();\n            System.out.println(\"\u6578\u64da\u522a\u9664\u6210\u529f\uff01\");\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-hVfsgqbVkL\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528JDBC\u9023\u63a5MySQL\u6578\u64da\u5eab\u4e26\u9032\u884c\u57fa\u672c\u7684\u589e\u522a\u6539\u67e5\u64cd\u4f5c\u3002\u9019\u4e9b\u64cd\u4f5c\u662f\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u6700\u57fa\u672c\u7684\u529f\u80fd\uff0c\u638c\u63e1\u5b83\u5011\u5c0d\u65bc\u958b\u767c\u8005\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u670d\u52d9\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u4f01\u696d\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u90fd\u80fd\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u5f37\u6709\u529b\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528JDBC\u9023\u63a5MySQL\uff0c\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u5eab\u7684\u589e\u522a\u6539\u67e5\u64cd\u4f5c\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\u6d41\u7a0b\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-194531","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194531","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=194531"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194531\/revisions"}],"predecessor-version":[{"id":194532,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194531\/revisions\/194532"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}