{"id":61949,"date":"2024-10-13T14:59:18","date_gmt":"2024-10-13T06:59:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61949\/"},"modified":"2024-10-13T14:59:18","modified_gmt":"2024-10-13T06:59:18","slug":"java%e9%80%a3%e6%8e%a5mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%b8%ac%e8%a9%a6%e6%ad%a5%e9%a9%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61949\/","title":{"rendered":"java\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u6e2c\u8a66\u6b65\u9a5f"},"content":{"rendered":"<h1 id=\"java%e9%80%a3%e6%8e%a5mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%b8%ac%e8%a9%a6%e6%ad%a5%e9%a9%9f-xNnIvcmNLb\">Java\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u6e2c\u8a66\u6b65\u9a5f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0cJava\u8207MySQL\u7684\u7d50\u5408\u662f\u975e\u5e38\u5e38\u898b\u7684\u3002\u7121\u8ad6\u662f\u958b\u767c\u4f01\u696d\u7d1a\u61c9\u7528\u9084\u662f\u5c0f\u578b\u9805\u76ee\uff0c\u80fd\u5920\u6709\u6548\u5730\u9023\u63a5\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728Java\u4e2d\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u6e2c\u8a66\u6b65\u9a5f\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u4e0a\u624b\u3002<\/p>\n<h2 id=\"%e6%ba%96%e5%82%99%e5%b7%a5%e4%bd%9c-xNnIvcmNLb\">\u6e96\u5099\u5de5\u4f5c<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u5df2\u5b89\u88ddJava\u958b\u767c\u5de5\u5177\u5305\uff08JDK\uff09\u3002<\/li>\n<li>\u5df2\u5b89\u88ddMySQL\u6578\u64da\u5eab\u4e26\u904b\u884c\u3002<\/li>\n<li>\u4e0b\u8f09MySQL JDBC\u9a45\u52d5\u7a0b\u5e8f\uff0c\u9019\u662fJava\u8207MySQL\u4e4b\u9593\u7684\u6a4b\u6a11\u3002<\/li>\n<\/ul>\n<h2 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-xNnIvcmNLb\">\u6b65\u9a5f\u4e00\uff1a\u6dfb\u52a0JDBC\u9a45\u52d5<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5c07MySQL JDBC\u9a45\u52d5\u6dfb\u52a0\u5230\u60a8\u7684Java\u9805\u76ee\u4e2d\u3002\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662fMaven\uff0c\u53ef\u4ee5\u5728pom.xml\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4f9d\u8cf4\uff1a<\/p>\n<pre><code>\n&lt;dependency&gt;\n    &lt;groupId&gt;mysql&lt;\/groupId&gt;\n    &lt;artifactId&gt;mysql-connector-java&lt;\/artifactId&gt;\n    &lt;version&gt;8.0.26&lt;\/version&gt; <!-- \u8acb\u6839\u64da\u9700\u8981\u9078\u64c7\u7248\u672c -->\n&lt;\/dependency&gt;\n<\/code><\/pre>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-xNnIvcmNLb\">\u6b65\u9a5f\u4e8c\uff1a\u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5728Java\u4ee3\u78bc\u4e2d\u5efa\u7acb\u8207MySQL\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\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        String url = \"jdbc:mysql:\/\/localhost:3306\/your_database\"; \/\/ \u66ff\u63db\u70ba\u60a8\u7684\u6578\u64da\u5eab\u540d\u7a31\n        String user = \"your_username\"; \/\/ \u66ff\u63db\u70ba\u60a8\u7684\u7528\u6236\u540d\n        String password = \"your_password\"; \/\/ \u66ff\u63db\u70ba\u60a8\u7684\u5bc6\u78bc\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            System.out.println(\"\u9023\u63a5\u5931\u6557\uff1a\" + e.getMessage());\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e6%b8%ac%e8%a9%a6%e9%80%a3%e6%8e%a5-xNnIvcmNLb\">\u6b65\u9a5f\u4e09\uff1a\u6e2c\u8a66\u9023\u63a5<\/h2>\n<p>\u904b\u884c\u4e0a\u8ff0\u4ee3\u78bc\uff0c\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u60a8\u61c9\u8a72\u6703\u770b\u5230\u201c\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff01\u201d\u7684\u6d88\u606f\u3002\u5982\u679c\u51fa\u73fe\u932f\u8aa4\uff0c\u8acb\u6aa2\u67e5\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fddMySQL\u670d\u52d9\u6b63\u5728\u904b\u884c\u3002<\/li>\n<li>\u6aa2\u67e5\u6578\u64da\u5eabURL\u3001\u7528\u6236\u540d\u548c\u5bc6\u78bc\u662f\u5426\u6b63\u78ba\u3002<\/li>\n<li>\u78ba\u4fdd\u9632\u706b\u7246\u672a\u963b\u6b62MySQL\u7684\u7aef\u53e3\uff08\u9ed8\u8a8d\u70ba3306\uff09\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e5%9b%9b%ef%bc%9a%e5%9f%b7%e8%a1%8csql%e6%9f%a5%e8%a9%a2-xNnIvcmNLb\">\u6b65\u9a5f\u56db\uff1a\u57f7\u884cSQL\u67e5\u8a62<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\uff0c\u60a8\u53ef\u4ee5\u958b\u59cb\u57f7\u884cSQL\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u67e5\u8a62\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\";\n        String user = \"your_username\";\n        String password = \"your_password\";\n\n        try {\n            Connection connection = DriverManager.getConnection(url, user, password);\n            Statement statement = connection.createStatement();\n            String sql = \"SELECT * FROM your_table\"; \/\/ \u66ff\u63db\u70ba\u60a8\u7684\u8868\u540d\n            ResultSet resultSet = statement.executeQuery(sql);\n\n            while (resultSet.next()) {\n                System.out.println(\"\u6578\u64da: \" + resultSet.getString(\"column_name\")); \/\/ \u66ff\u63db\u70ba\u60a8\u7684\u5217\u540d\n            }\n\n            resultSet.close();\n            statement.close();\n            connection.close();\n        } catch (SQLException e) {\n            System.out.println(\"\u67e5\u8a62\u5931\u6557\uff1a\" + e.getMessage());\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-xNnIvcmNLb\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u6210\u529f\u5730\u5728Java\u4e2d\u9023\u63a5MySQL\u6578\u64da\u5eab\u4e26\u57f7\u884c\u57fa\u672c\u7684\u67e5\u8a62\u3002\u9019\u4e9b\u57fa\u672c\u7684\u64cd\u4f5c\u662f\u958b\u767c\u66f4\u8907\u96dc\u61c9\u7528\u7684\u57fa\u790e\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u74b0\u5883\u4f86\u9032\u884c\u958b\u767c\u548c\u6e2c\u8a66\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>\uff0c\u4ee5\u4fbf\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Java\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u6e2c\u8a66\u6b65\u9a5f\uff0c\u5f9e\u74b0\u5883\u8a2d\u7f6e\u5230\u4ee3\u78bc\u793a\u4f8b\uff0c\u52a9\u60a8\u5feb\u901f\u4e0a\u624b\u6578\u64da\u5eab\u64cd\u4f5c\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-61949","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61949","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=61949"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61949\/revisions"}],"predecessor-version":[{"id":61950,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61949\/revisions\/61950"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61949"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61949"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}