{"id":183756,"date":"2024-11-10T07:28:20","date_gmt":"2024-11-09T23:28:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183756\/"},"modified":"2024-11-10T07:28:21","modified_gmt":"2024-11-09T23:28:21","slug":"%e4%bd%bf%e7%94%a8jdbc%e6%88%90%e5%8a%9f%e9%80%a3%e6%8e%a5mysql%e6%95%b8%e6%93%9a%e5%ba%ab-jdbc%e9%8f%88%e6%8e%a5mysql%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183756\/","title":{"rendered":"\u4f7f\u7528JDBC\u6210\u529f\u9023\u63a5MySQL\u6578\u64da\u5eab (jdbc\u93c8\u63a5mysql\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8jdbc%e6%88%90%e5%8a%9f%e9%80%a3%e6%8e%a5mysql%e6%95%b8%e6%93%9a%e5%ba%ab-OEFtgyhNJd\">\u4f7f\u7528JDBC\u6210\u529f\u9023\u63a5MySQL\u6578\u64da\u5eab<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\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\u5f0f\u8207\u5404\u7a2e\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528JDBC\u6210\u529f\u9023\u63a5MySQL\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afjdbc%ef%bc%9f-OEFtgyhNJd\">\u4ec0\u9ebc\u662fJDBC\uff1f<\/h2>\n<p>Java\u6578\u64da\u5eab\u9023\u63a5\uff08JDBC\uff09\u662f\u4e00\u7d44Java 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id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e6%b7%bb%e5%8a%a0jdbc%e9%a9%85%e5%8b%95%e7%a8%8b%e5%ba%8f-OEFtgyhNJd\">\u6b65\u9a5f\u4e00\uff1a\u6dfb\u52a0JDBC\u9a45\u52d5\u7a0b\u5e8f<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5c07MySQL JDBC\u9a45\u52d5\u7a0b\u5e8f\u6dfb\u52a0\u5230\u60a8\u7684Java\u9805\u76ee\u4e2d\u3002\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662fIDE\uff08\u5982Eclipse\u6216IntelliJ IDEA\uff09\uff0c\u53ef\u4ee5\u5c07\u9a45\u52d5\u7a0b\u5e8f\u7684JAR\u6587\u4ef6\u6dfb\u52a0\u5230\u9805\u76ee\u7684\u69cb\u5efa\u8def\u5f91\u4e2d\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e7%b7%a8%e5%af%ab%e9%80%a3%e6%8e%a5%e4%bb%a3%e7%a2%bc-OEFtgyhNJd\">\u6b65\u9a5f\u4e8c\uff1a\u7de8\u5beb\u9023\u63a5\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Java\u4ee3\u78bc\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528JDBC\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>\nimport java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\n\npublic class MySQLConnection {\n    public static void main(String[] args) {\n        \/\/ \u6578\u64da\u5eabURL\n        String url = \"jdbc:mysql:\/\/localhost:3306\/your_database_name\";\n        \/\/ \u6578\u64da\u5eab\u7528\u6236\u540d\n        String user = \"your_username\";\n        \/\/ \u6578\u64da\u5eab\u5bc6\u78bc\n        String password = \"your_password\";\n\n        Connection connection = null;\n\n        try {\n            \/\/ \u52a0\u8f09JDBC\u9a45\u52d5\u7a0b\u5e8f\n            Class.forName(\"com.mysql.cj.jdbc.Driver\");\n            \/\/ \u5efa\u7acb\u9023\u63a5\n            connection = DriverManager.getConnection(url, user, password);\n            System.out.println(\"\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff01\");\n        } catch (ClassNotFoundException e) {\n            System.out.println(\"JDBC\u9a45\u52d5\u7a0b\u5e8f\u672a\u627e\u5230\uff1a\" + e.getMessage());\n        } catch (SQLException e) {\n            System.out.println(\"\u6578\u64da\u5eab\u9023\u63a5\u5931\u6557\uff1a\" + e.getMessage());\n        } finally {\n            \/\/ \u95dc\u9589\u9023\u63a5\n            try {\n                if (connection != null) {\n                    connection.close();\n                }\n            } catch (SQLException e) {\n                System.out.println(\"\u95dc\u9589\u9023\u63a5\u6642\u51fa\u932f\uff1a\" + e.getMessage());\n            }\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e5%9f%b7%e8%a1%8csql%e6%9f%a5%e8%a9%a2-OEFtgyhNJd\">\u6b65\u9a5f\u4e09\uff1a\u57f7\u884cSQL\u67e5\u8a62<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u60a8\u53ef\u4ee5\u57f7\u884cSQL\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u57f7\u884c\u4e00\u500b\u7c21\u55ae\u7684\u67e5\u8a62\u4e26\u8655\u7406\u7d50\u679c\u96c6\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nimport java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.ResultSet;\nimport java.sql.SQLException;\nimport java.sql.Statement;\n\npublic class MySQLQuery {\n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/your_database_name\";\n        String user = \"your_username\";\n        String password = \"your_password\";\n\n        Connection connection = null;\n\n        try {\n            Class.forName(\"com.mysql.cj.jdbc.Driver\");\n            connection = DriverManager.getConnection(url, user, password);\n            Statement statement = connection.createStatement();\n            String sql = \"SELECT * FROM your_table_name\";\n            ResultSet resultSet = statement.executeQuery(sql);\n\n            while (resultSet.next()) {\n                System.out.println(\"\u52171: \" + resultSet.getString(1));\n                System.out.println(\"\u52172: \" + resultSet.getString(2));\n            }\n        } catch (ClassNotFoundException e) {\n            System.out.println(\"JDBC\u9a45\u52d5\u7a0b\u5e8f\u672a\u627e\u5230\uff1a\" + e.getMessage());\n        } catch (SQLException e) {\n            System.out.println(\"\u6578\u64da\u5eab\u64cd\u4f5c\u5931\u6557\uff1a\" + e.getMessage());\n        } finally {\n            try {\n                if (connection != null) {\n                    connection.close();\n                }\n            } catch (SQLException e) {\n                System.out.println(\"\u95dc\u9589\u9023\u63a5\u6642\u51fa\u932f\uff1a\" + e.getMessage());\n            }\n        }\n    }\n}\n<\/code><\/pre>\n<h2 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\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528JDBC\u6210\u529f\u9023\u63a5MySQL\u6578\u64da\u5eab\uff0c\u638c\u63e1\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u57fa\u672c\u6b65\u9a5f\u548c\u6280\u5de7\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\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-183756","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183756","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=183756"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183756\/revisions"}],"predecessor-version":[{"id":183757,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183756\/revisions\/183757"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}