{"id":43651,"date":"2024-12-01T14:58:26","date_gmt":"2024-12-01T06:58:26","guid":{"rendered":"https:\/\/fwq.ai\/blog\/43651\/"},"modified":"2024-12-01T14:58:26","modified_gmt":"2024-12-01T06:58:26","slug":"mysql-jar%e5%8c%85%e7%9a%84%e4%b8%bb%e8%a6%81%e5%8a%9f%e8%83%bd%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/43651\/","title":{"rendered":"MySQL Jar\u5305\u7684\u4e3b\u8981\u529f\u80fd\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

MySQL Jar\u5305\u7684\u4e3b\u8981\u529f\u80fd\u662f\u4ec0\u4e48\uff1f<\/h1>\n

\u6b22\u8fce\u5404\u4f4d\u5c0f\u4f19\u4f34\u6765\u5230\u7c73\u4e91\uff0c\u76f8\u805a\u4e8e\u6b64\u90fd\u662f\u7f18\u54c8\u54c8\u54c8\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\uff0c\u5982\u679c\u4f60\u5bf9\u76f8\u5173\u7684\u77e5\u8bc6\u975e\u5e38\u611f\u5174\u8da3\u6216\u8005\u6b63\u5728\u81ea\u5b66\uff0c\u90fd\u53ef\u4ee5\u5173\u6ce8\u6211\uff0c\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\uff01\u5f53\u7136\uff0c\u6709\u4ec0\u4e48\u5efa\u8bae\u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u7559\u8a00\u63d0\u51fa\uff01\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n

\u6807\u9898\uff1aMySQL\u7684Jar\u5305\u6709\u54ea\u4e9b\u91cd\u8981\u529f\u80fd\uff1f<\/p>\n

MySQL\u662f\u4e00\u79cd\u6d41\u884c\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u8bb8\u591aJava\u5f00\u53d1\u4eba\u5458\u5728\u5f00\u53d1\u5e94\u7528\u7a0b\u5e8f\u65f6\u90fd\u4f1a\u4f7f\u7528MySQL\u6570\u636e\u5e93\u3002\u4e3a\u4e86\u5728Java\u9879\u76ee\u4e2d\u4e0eMySQL\u6570\u636e\u5e93\u8fdb\u884c\u4ea4\u4e92\uff0c\u901a\u5e38\u4f1a\u4f7f\u7528MySQL\u63d0\u4f9b\u7684\u5b98\u65b9Java\u9a71\u52a8\u7a0b\u5e8fJar\u5305\u3002MySQL\u7684Jar\u5305\u5177\u6709\u8bb8\u591a\u91cd\u8981\u529f\u80fd\uff0c\u672c\u6587\u5c06\u9488\u5bf9\u5176\u4e2d\u4e00\u4e9b\u529f\u80fd\u8fdb\u884c\u4ecb\u7ecd\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

1. \u8fde\u63a5MySQL\u6570\u636e\u5e93<\/strong><\/p>\n

\u5728Java\u9879\u76ee\u4e2d\u4e0eMySQL\u6570\u636e\u5e93\u8fdb\u884c\u4ea4\u4e92\u7684\u7b2c\u4e00\u6b65\u662f\u5efa\u7acb\u6570\u636e\u5e93\u8fde\u63a5\u3002MySQL\u7684Jar\u5305\u63d0\u4f9b\u4e86Connection<\/code>\u7c7b\uff0c\u901a\u8fc7\u8be5\u7c7b\u53ef\u4ee5\u5b9e\u73b0\u4e0eMySQL\u6570\u636e\u5e93\u7684\u8fde\u63a5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u8fde\u63a5\u5230MySQL\u6570\u636e\u5e93\uff1a<\/p>\n

import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\n\npublic class ConnectToMySQL {\n    \n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/mydatabase\";\n        String username = \"root\";\n        String password = \"password\";\n        \n        try {\n            Connection connection = DriverManager.getConnection(url, username, password);\n            System.out.println(\"Connected to MySQL database successfully!\");\n        } catch (SQLException e) {\n            System.out.println(\"Failed to connect to MySQL database: \" + e.getMessage());\n        }\n    }\n}<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528DriverManager.getConnection()<\/code>\u65b9\u6cd5\u5efa\u7acb\u4e86\u4e0eMySQL\u6570\u636e\u5e93\u7684\u8fde\u63a5\u3002<\/p>\n
2. \u6267\u884cSQL\u67e5\u8be2<\/strong><\/p>\n
\u4e00\u65e6\u5efa\u7acb\u4e86\u4e0eMySQL\u6570\u636e\u5e93\u7684\u8fde\u63a5\uff0c\u63a5\u4e0b\u6765\u5c31\u53ef\u4ee5\u6267\u884cSQL\u67e5\u8be2\u64cd\u4f5c\u3002MySQL\u7684Jar\u5305\u63d0\u4f9b\u4e86Statement<\/code>\u548cPreparedStatement<\/code>\u7c7b\uff0c\u53ef\u4ee5\u7528\u4e8e\u6267\u884cSQL\u67e5\u8be2\u8bed\u53e5\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u6267\u884c\u4e00\u4e2a\u7b80\u5355\u7684\u67e5\u8be2\u64cd\u4f5c\uff1a<\/p>\n
import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.ResultSet;\nimport java.sql.SQLException;\nimport java.sql.Statement;\n\npublic class ExecuteQuery {\n    \n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/mydatabase\";\n        String username = \"root\";\n        String password = \"password\";\n        \n        try {\n            Connection connection = DriverManager.getConnection(url, username, password);\n            Statement statement = connection.createStatement();\n            ResultSet resultSet = statement.executeQuery(\"SELECT * FROM mytable\");\n            \n            while(resultSet.next()) {\n                \/\/ \u5904\u7406\u67e5\u8be2\u7ed3\u679c\n            }\n            \n            resultSet.close();\n            statement.close();\n            connection.close();\n        } catch (SQLException e) {\n            System.out.println(\"Failed to execute query: \" + e.getMessage());\n        }\n    }\n}<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2aStatement<\/code>\u5bf9\u8c61\uff0c\u7136\u540e\u6267\u884c\u4e86\u4e00\u4e2a\u7b80\u5355\u7684SELECT\u67e5\u8be2\u3002<\/p>\n
3. \u66f4\u65b0\u6570\u636e\u5e93<\/strong><\/p>\n
\u9664\u4e86\u67e5\u8be2\u64cd\u4f5c\uff0cMySQL\u7684Jar\u5305\u8fd8\u53ef\u4ee5\u7528\u4e8e\u6267\u884c\u66f4\u65b0\u64cd\u4f5c\uff0c\u5982INSERT\u3001UPDATE\u548cDELETE\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5411\u6570\u636e\u5e93\u4e2d\u63d2\u5165\u4e00\u6761\u65b0\u8bb0\u5f55\uff1a<\/p>\n
import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\nimport java.sql.Statement;\n\npublic class InsertData {\n    \n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/mydatabase\";\n        String username = \"root\";\n        String password = \"password\";\n        \n        try {\n            Connection connection = DriverManager.getConnection(url, username, password);\n            Statement statement = connection.createStatement();\n            \n            String insertQuery = \"INSERT INTO mytable (column1, column2) VALUES ('value1', 'value2')\";\n            int rowsAffected = statement.executeUpdate(insertQuery);\n            \n            System.out.println(\"Rows affected: \" + rowsAffected);\n            \n            statement.close();\n            connection.close();\n        } catch (SQLException e) {\n            System.out.println(\"Failed to insert data: \" + e.getMessage());\n        }\n    }\n}<\/pre>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Statement.executeUpdate()<\/code>\u65b9\u6cd5\u5411\u6570\u636e\u5e93\u4e2d\u63d2\u5165\u4e86\u4e00\u6761\u65b0\u8bb0\u5f55\u3002<\/p>\n
\u603b\u7684\u6765\u8bf4\uff0cMySQL\u7684Jar\u5305\u5728Java\u9879\u76ee\u4e2d\u626e\u6f14\u7740\u6781\u4e3a\u91cd\u8981\u7684\u89d2\u8272\uff0c\u901a\u8fc7\u5b83\u80fd\u591f\u7075\u6d3b\u5730\u548c MySQL \u6570\u636e\u5e93\u8fdb\u884c\u4ea4\u4e92\uff0c\u6267\u884c\u5404\u79cd\u64cd\u4f5c\u3002\u4ee5\u4e0a\u53ea\u662f\u5176\u4e2d\u4e00\u4e9b\u529f\u80fd\u7684\u7b80\u5355\u4ecb\u7ecd\u548c\u793a\u4f8b\u4ee3\u7801\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u6df1\u5165\u5b66\u4e60\u548c\u5e94\u7528\u8fd9\u4e9b\u529f\u80fd\uff0c\u5e76\u5c06\u5176\u8fd0\u7528\u5230\u5b9e\u9645\u9879\u76ee\u4e2d\u3002<\/p>\n
\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6570\u636e\u5e93\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n
\n
\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
MySQL Jar\u5305\u7684\u4e3b\u8981\u529f\u80fd\u662f\u4ec0\u4e48\uff1f \u6b22\u8fce\u5404\u4f4d\u5c0f\u4f19\u4f34\u6765\u5230\u7c73\u4e91\uff0c\u76f8\u805a\u4e8e\u6b64\u90fd\u662f\u7f18\u54c8\u54c8\u54c8\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\uff0c\u5982\u679c\u4f60\u5bf9\u76f8\u5173\u7684\u77e5\u8bc6\u975e\u5e38\u611f\u5174\u8da3\u6216\u8005\u6b63\u5728\u81ea\u5b66\uff0c\u90fd\u53ef\u4ee5\u5173\u6ce8\u6211\uff0c\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\uff01\u5f53\u7136\uff0c\u6709\u4ec0\u4e48\u5efa\u8bae\u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u7559\u8a00\u63d0\u51fa\uff01\u4e00\u8d77\u5b66\u4e60\uff01 \u6807\u9898\uff1aMySQL\u7684Jar\u5305\u6709\u54ea\u4e9b\u91cd\u8981\u529f\u80fd\uff1f MySQL\u662f\u4e00\u79cd\u6d41\u884c\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u8bb8\u591aJava\u5f00\u53d1\u4eba\u5458\u5728\u5f00\u53d1\u5e94\u7528\u7a0b\u5e8f\u65f6\u90fd\u4f1a\u4f7f\u7528MySQL\u6570\u636e\u5e93\u3002\u4e3a\u4e86\u5728Java\u9879\u76ee\u4e2d\u4e0eMySQL\u6570\u636e\u5e93\u8fdb\u884c\u4ea4\u4e92\uff0c\u901a\u5e38\u4f1a\u4f7f\u7528MySQL\u63d0\u4f9b\u7684\u5b98\u65b9Java\u9a71\u52a8\u7a0b\u5e8fJar\u5305\u3002MySQL\u7684Jar\u5305\u5177\u6709\u8bb8\u591a\u91cd\u8981\u529f\u80fd\uff0c\u672c\u6587\u5c06\u9488\u5bf9\u5176\u4e2d\u4e00\u4e9b\u529f\u80fd\u8fdb\u884c\u4ecb\u7ecd\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002 1. \u8fde\u63a5MySQL\u6570\u636e\u5e93 \u5728Java\u9879\u76ee\u4e2d\u4e0eMySQL\u6570\u636e\u5e93\u8fdb\u884c\u4ea4\u4e92\u7684\u7b2c\u4e00\u6b65\u662f\u5efa\u7acb\u6570\u636e\u5e93\u8fde\u63a5\u3002MySQL\u7684Jar\u5305\u63d0\u4f9b\u4e86Connection\u7c7b\uff0c\u901a\u8fc7\u8be5\u7c7b\u53ef\u4ee5\u5b9e\u73b0\u4e0eMySQL\u6570\u636e\u5e93\u7684\u8fde\u63a5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u8fde\u63a5\u5230MySQL\u6570\u636e\u5e93\uff1a import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class ConnectToMySQL { public static void main(String[] args) { String url = “jdbc:mysql:\/\/localhost:3306\/mydatabase”; String username = “root”; String password = “password”; try { Connection connection = DriverManager.getConnection(url, username, password); System.out.println(“Connected to MySQL database successfully!”); } catch (SQLException e) { System.out.println(“Failed […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-43651","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/43651","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=43651"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/43651\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=43651"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=43651"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=43651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}