{"id":199755,"date":"2025-05-06T10:53:39","date_gmt":"2025-05-06T02:53:39","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199755\/"},"modified":"2025-05-06T10:53:39","modified_gmt":"2025-05-06T02:53:39","slug":"%e6%9f%a5%e8%af%a2mysql%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%bb%e6%9c%ba%e5%90%8d%e7%a7%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199755\/","title":{"rendered":"\u67e5\u8be2MySQL\u670d\u52a1\u5668\u4e3b\u673a\u540d\u79f0"},"content":{"rendered":"

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

\u67e5\u8be2MySQL\u670d\u52a1\u5668\u4e3b\u673a\u540d\u79f0<\/h1>\n

\u5bf9\u4e8e\u4e00\u4e2a\u6570\u636e\u5e93\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u4e3b\u673a\u5b9d\u8d1d\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300a\u67e5\u8be2MySQL\u670d\u52a1\u5668\u4e3b\u673a\u540d\u79f0\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n

\u5982\u4f55\u67e5\u627eMySQL\u4e3b\u673a\u540d\u79f0\uff0c\u9700\u8981\u5177\u4f53\u4ee3\u7801\u793a\u4f8b<\/p>\n

MySQL\u662f\u4e00\u79cd\u5e38\u7528\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5f88\u591a\u5f00\u53d1\u8005\u5728\u4f7f\u7528MySQL\u65f6\u9700\u8981\u83b7\u53d6\u4e3b\u673a\u540d\u79f0\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u7b80\u5355\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u67e5\u627eMySQL\u4e3b\u673a\u540d\u79f0\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u67e5\u627eMySQL\u4e3b\u673a\u540d\u79f0\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

    \n
  1. \u4f7f\u7528MySQL\u547d\u4ee4\u884c\u5de5\u5177
    \u901a\u8fc7MySQL\u7684\u547d\u4ee4\u884c\u5de5\u5177\u53ef\u4ee5\u8f7b\u677e\u67e5\u627eMySQL\u4e3b\u673a\u540d\u79f0\u3002\u9996\u5148\u767b\u5f55\u5230MySQL\u670d\u52a1\u5668\u7684\u547d\u4ee4\u884c\u754c\u9762\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/li>\n<\/ol>\n
    SHOW VARIABLES LIKE 'hostname';<\/pre>\n
    \u8fd9\u6761SQL\u8bed\u53e5\u4f1a\u8fd4\u56deMySQL\u670d\u52a1\u5668\u7684\u4e3b\u673a\u540d\u79f0\u3002\u5982\u679c\u6ca1\u6709\u8bbe\u7f6e\u4e3b\u673a\u540d\u79f0\uff0c\u5219\u9ed8\u8ba4\u4f1a\u663e\u793a\u670d\u52a1\u5668\u7684IP\u5730\u5740\u3002\u8fd9\u6837\u901a\u8fc7MySQL\u547d\u4ee4\u884c\u5de5\u5177\u5c31\u53ef\u4ee5\u67e5\u627e\u5230MySQL\u4e3b\u673a\u540d\u79f0\u3002<\/p>\n
      \n
    1. \u4f7f\u7528Python\u8fde\u63a5MySQL
      Python\u662f\u4e00\u79cd\u5e38\u7528\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u53ef\u4ee5\u901a\u8fc7Python\u8fde\u63a5MySQL\u6570\u636e\u5e93\uff0c\u5e76\u83b7\u53d6\u4e3b\u673a\u540d\u79f0\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684Python\u793a\u4f8b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n
      import mysql.connector\n\nmydb = mysql.connector.connect(\n  host=\"localhost\",\n  user=\"root\",\n  password=\"password\",\n  database=\"mydatabase\"\n)\n\nmycursor = mydb.cursor()\n\nmycursor.execute(\"SHOW VARIABLES LIKE 'hostname'\")\n\nresult = mycursor.fetchone()\n\nprint(\"MySQL\u4e3b\u673a\u540d\u79f0\u4e3a\uff1a\" + result[1])<\/pre>\n
      \u901a\u8fc7\u8fd9\u6bb5Python\u4ee3\u7801\uff0c\u9996\u5148\u5efa\u7acb\u5230MySQL\u6570\u636e\u5e93\u7684\u8fde\u63a5\uff0c\u7136\u540e\u6267\u884cSQL\u8bed\u53e5\u67e5\u627e\u4e3b\u673a\u540d\u79f0\uff0c\u5e76\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n
        \n
      1. \u4f7f\u7528Java\u8fde\u63a5MySQL
        \u540c\u6837\uff0c\u901a\u8fc7Java\u8fde\u63a5MySQL\u6570\u636e\u5e93\u4e5f\u53ef\u4ee5\u67e5\u627eMySQL\u4e3b\u673a\u540d\u79f0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684Java\u793a\u4f8b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n
        import java.sql.*;\n\npublic class Main {\n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/mydatabase\";\n        String user = \"root\";\n        String password = \"password\";\n\n        try {\n            Connection conn = DriverManager.getConnection(url, user, password);\n\n            Statement stmt = conn.createStatement();\n            ResultSet rs = stmt.executeQuery(\"SHOW VARIABLES LIKE 'hostname'\");\n\n            rs.next();\n            String hostname = rs.getString(2);\n\n            System.out.println(\"MySQL\u4e3b\u673a\u540d\u79f0\u4e3a: \" + hostname);\n\n        } catch (SQLException e) {\n            System.out.println(e.getMessage());\n        }\n    }\n}<\/pre>\n
        \u901a\u8fc7\u8fd9\u6bb5Java\u4ee3\u7801\uff0c\u9996\u5148\u5efa\u7acb\u5230MySQL\u6570\u636e\u5e93\u7684\u8fde\u63a5\uff0c\u7136\u540e\u6267\u884cSQL\u8bed\u53e5\u67e5\u627e\u4e3b\u673a\u540d\u79f0\uff0c\u5e76\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n
        \u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\u548c\u4ee3\u7801\u793a\u4f8b\uff0c\u53ef\u4ee5\u8f7b\u677e\u67e5\u627eMySQL\u4e3b\u673a\u540d\u79f0\u3002\u65e0\u8bba\u662f\u901a\u8fc7MySQL\u547d\u4ee4\u884c\u5de5\u5177\u3001Python\u8fd8\u662fJava\uff0c\u90fd\u80fd\u65b9\u4fbf\u5730\u83b7\u53d6\u5230\u4e3b\u673a\u540d\u79f0\uff0c\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u4fbf\u5229\u3002\u5e0c\u671b\u4ee5\u4e0a\u5185\u5bb9\u80fd\u5bf9\u6709\u9700\u8981\u7684\u8bfb\u8005\u63d0\u4f9b\u5e2e\u52a9\u3002<\/p>\n
        \u4eca\u5929\u5173\u4e8e\u300a\u67e5\u8be2MySQL\u670d\u52a1\u5668\u4e3b\u673a\u540d\u79f0\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n
        \n
        \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
        \u67e5\u8be2MySQL\u670d\u52a1\u5668\u4e3b\u673a\u540d\u79f0 \u5bf9...<\/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-199755","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199755","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=199755"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199755\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199755"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199755"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}