{"id":564,"date":"2026-08-04T10:45:05","date_gmt":"2026-08-04T02:45:05","guid":{"rendered":"https:\/\/www.32737.com\/?p=564"},"modified":"2026-08-04T10:45:06","modified_gmt":"2026-08-04T02:45:06","slug":"mysql-jdbc%e8%bf%9e%e6%8e%a5%e5%8f%82%e6%95%b0%e9%85%8d%e7%bd%ae%e8%af%a6%e8%a7%a3%e5%85%b3%e9%94%ae%e5%8f%82%e6%95%b0%e5%88%86%e7%b1%bb%e3%80%81%e6%a0%b8%e5%bf%83%e9%85%8d%e7%bd%ae%e8%a6%81%e7%82%b9","status":"publish","type":"post","link":"https:\/\/www.32737.com\/index.php\/2026\/08\/04\/mysql-jdbc%e8%bf%9e%e6%8e%a5%e5%8f%82%e6%95%b0%e9%85%8d%e7%bd%ae%e8%af%a6%e8%a7%a3%e5%85%b3%e9%94%ae%e5%8f%82%e6%95%b0%e5%88%86%e7%b1%bb%e3%80%81%e6%a0%b8%e5%bf%83%e9%85%8d%e7%bd%ae%e8%a6%81%e7%82%b9\/","title":{"rendered":"MySQL JDBC\u8fde\u63a5\u53c2\u6570\u914d\u7f6e\u8be6\u89e3(\u5173\u952e\u53c2\u6570\u5206\u7c7b\u3001\u6838\u5fc3\u914d\u7f6e\u8981\u70b9)"},"content":{"rendered":"\n

\u5728Java\u5e94\u7528\u7a0b\u5e8f\u4e0eMySQL\u6570\u636e\u5e93\u7684\u4ea4\u4e92\u8fc7\u7a0b\u4e2d\uff0cJDBC\uff08Java Database Connectivity\uff09\u8fde\u63a5\u5b57\u7b26\u4e32\uff08URL\uff09\u4e0d\u4ec5\u4ec5\u662f\u5b9a\u4f4d\u6570\u636e\u5e93\u7684\u201c\u5730\u5740\u201d\uff0c\u66f4\u662f\u63a7\u5236\u9a71\u52a8\u884c\u4e3a\u3001\u4f18\u5316\u8fde\u63a5\u6027\u80fd\u4ee5\u53ca\u786e\u4fdd\u6570\u636e\u5b89\u5168\u7684\u6838\u5fc3\u914d\u7f6e\u6587\u4ef6\u3002\u8bb8\u591a\u5f00\u53d1\u8005\u5f80\u5f80\u53ea\u5173\u6ce8URL\u4e2d\u7684IP\u3001\u7aef\u53e3\u548c\u6570\u636e\u5e93\u540d\uff0c\u5374\u5ffd\u89c6\u4e86URL\u4e2d\u9644\u52a0\u53c2\u6570\uff08Parameters\uff09\u7684\u5173\u952e\u4f5c\u7528\u3002\u9519\u8bef\u7684\u53c2\u6570\u914d\u7f6e\u53ef\u80fd\u5bfc\u81f4\u4e2d\u6587\u4e71\u7801\u3001\u65f6\u533a\u9519\u4e71\u3001\u8fde\u63a5\u8d85\u65f6\u9891\u7e41\uff0c\u751a\u81f3\u5f15\u53d1\u4e25\u91cd\u7684\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u6587\u5c06\u6df1\u5165\u5256\u6790MySQL JDBC\u8fde\u63a5\u53c2\u6570\u7684\u914d\u7f6e\u7ec6\u8282\uff0c\u5c06\u5176\u5206\u4e3a\u57fa\u7840\u8fde\u63a5\u3001\u6027\u80fd\u4f18\u5316\u3001\u5b89\u5168\u8ba4\u8bc1\u53ca\u9ad8\u53ef\u7528\u6027\u7b49\u7c7b\u522b\u8fdb\u884c\u8be6\u89e3\uff0c<\/strong>\u5e2e\u52a9\u5f00\u53d1\u8005\u6784\u5efa\u7a33\u5065\u7684\u6570\u636e\u94fe\u8def\u3002<\/p>\n\n\n\n

\u4e00\u3001\u57fa\u7840\u8fde\u63a5\u4e0e\u5b57\u7b26\u96c6\u914d\u7f6e<\/h2>\n\n\n\n

\u8fd9\u662f\u786e\u4fdd\u6570\u636e\u5e93\u80fd\u591f\u6b63\u5e38\u8fde\u63a5\u4e14\u6570\u636e\u8bfb\u5199\u6b63\u786e\u7684\u57fa\u7840\u914d\u7f6e\uff0c\u4e3b\u8981\u89e3\u51b3\u201c\u8fde\u5f97\u4e0a\u201d\u548c\u201c\u8bfb\u5f97\u5bf9\u201d\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n

    \n
  1. \u5b57\u7b26\u96c6\u4e0e\u7f16\u7801\uff1a<\/strong>characterEncoding\u53c2\u6570\u7528\u4e8e\u6307\u5b9a\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u901a\u4fe1\u65f6\u4f7f\u7528\u7684\u5b57\u7b26\u7f16\u7801\u3002\u5728\u4e2d\u6587\u5f00\u53d1\u73af\u5883\u4e0b\uff0c\u901a\u5e38\u5c06\u5176\u8bbe\u7f6e\u4e3aUTF-8\u3002\u867d\u7136MySQL 8.0\u9a71\u52a8\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u503e\u5411\u4e8e\u4f7f\u7528UTF-8\uff0c\u4f46\u5728\u5904\u7406\u7279\u6b8a\u5b57\u7b26\u6216\u8de8\u7248\u672c\u8fc1\u79fb\u65f6\uff0c\u663e\u5f0f\u58f0\u660echaracterEncoding=UTF-8\u4f9d\u7136\u662f\u9632\u6b62\u4e71\u7801\u7684\u6700\u4f73\u5b9e\u8df5\u3002<\/li>\n\n\n\n
  2. \u65f6\u533a\u8bbe\u7f6e\uff1a<\/strong>serverTimezone\u662fMySQL 8.0\u53ca\u4ee5\u4e0a\u7248\u672c\u9a71\u52a8\u4e2d\u5fc5\u987b\u5173\u6ce8\u7684\u53c2\u6570\u3002\u5982\u679c\u672a\u8bbe\u7f6e\uff0c\u9a71\u52a8\u7a0b\u5e8f\u53ef\u80fd\u4f1a\u629b\u51fa\u65f6\u533a\u8bc6\u522b\u9519\u8bef\uff0c\u6216\u8005\u5bfc\u81f4\u5b58\u5165\u7684\u65f6\u95f4\u6570\u636e\u4e0e\u672c\u5730\u65f6\u95f4\u5b58\u5728\u504f\u5dee\u3002\u5efa\u8bae\u660e\u786e\u6307\u5b9a\u65f6\u533a\uff0c\u5982serverTimezone=Asia\/Shanghai\uff08\u4e1c\u516b\u533a\uff09\u6216serverTimezone=UTC\uff08\u534f\u8c03\u4e16\u754c\u65f6\uff09\uff0c\u4ee5\u786e\u4fdd\u65f6\u95f4\u6233\u7684\u51c6\u786e\u8bb0\u5f55\u3002<\/li>\n\n\n\n
  3. \u81ea\u52a8\u91cd\u8fde\uff1a<\/strong>autoReconnect\u53c2\u6570\u63a7\u5236\u5f53\u6570\u636e\u5e93\u8fde\u63a5\u56e0\u7f51\u7edc\u6ce2\u52a8\u65ad\u5f00\u65f6\uff0c\u9a71\u52a8\u662f\u5426\u5c1d\u8bd5\u81ea\u52a8\u91cd\u8fde\u3002\u867d\u7136\u5c06\u5176\u8bbe\u7f6e\u4e3atrue\u770b\u4f3c\u80fd\u63d0\u9ad8\u7a33\u5b9a\u6027\uff0c\u4f46\u5728\u4e8b\u52a1\u5904\u7406\u4e2d\uff0c\u81ea\u52a8\u91cd\u8fde\u4f1a\u5bfc\u81f4\u5f53\u524d\u4e8b\u52a1\u7684\u4e0a\u4e0b\u6587\u4e22\u5931\uff08Session\u72b6\u6001\u91cd\u7f6e\uff09\uff0c\u4ece\u800c\u5f15\u53d1\u6570\u636e\u4e0d\u4e00\u81f4\u3002\u56e0\u6b64\uff0c\u5728\u73b0\u4ee3\u8fde\u63a5\u6c60\uff08\u5982HikariCP\uff09\u7ba1\u7406\u4e0b\uff0c\u901a\u5e38\u5efa\u8bae\u4fdd\u6301\u5176\u9ed8\u8ba4\u503cfalse\uff0c\u4f9d\u9760\u8fde\u63a5\u6c60\u81ea\u8eab\u7684\u63a2\u6d3b\u673a\u5236\u6765\u7ba1\u7406\u8fde\u63a5\u751f\u547d\u5468\u671f\u3002<\/li>\n<\/ol>\n\n\n\n

    \u4e8c\u3001\u6027\u80fd\u4f18\u5316\u4e0e\u8d44\u6e90\u7ba1\u7406<\/h2>\n\n\n\n

    \u5408\u7406\u7684\u6027\u80fd\u53c2\u6570\u914d\u7f6e\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u7f51\u7edc\u5f00\u9500\uff0c\u63d0\u5347\u6279\u91cf\u64cd\u4f5c\u7684\u6548\u7387\uff0c\u5e76\u9632\u6b62\u5185\u5b58\u6ea2\u51fa\u3002<\/p>\n\n\n\n

      \n
    1. \u9884\u7f16\u8bd1\u7f13\u5b58\uff1a<\/strong>cachePrepStmts\u3001prepStmtCacheSize\u548cprepStmtCacheSqlLimit\u662f\u63d0\u5347PreparedStatement\u6267\u884c\u6548\u7387\u7684\u201c\u4e09\u5251\u5ba2\u201d\u3002\u5f00\u542fcachePrepStmts=true\u540e\uff0c\u9a71\u52a8\u4f1a\u5728\u5ba2\u6237\u7aef\u7f13\u5b58\u9884\u7f16\u8bd1\u8bed\u53e5\u3002prepStmtCacheSize\u5b9a\u4e49\u7f13\u5b58\u7684\u8bed\u53e5\u6570\u91cf\uff08\u9ed8\u8ba4\u901a\u5e38\u8f83\u5c0f\uff0c\u5efa\u8bae\u8bbe\u4e3a250\u4ee5\u4e0a\uff09\uff0cprepStmtCacheSqlLimit\u5b9a\u4e49\u53ef\u88ab\u7f13\u5b58\u7684SQL\u6700\u5927\u957f\u5ea6\u3002\u8fd9\u4e00\u7ec4\u914d\u7f6e\u80fd\u907f\u514d\u91cd\u590d\u89e3\u6790SQL\u8bed\u53e5\uff0c\u663e\u8457\u63d0\u5347\u9ad8\u5e76\u53d1\u4e0b\u7684\u6570\u636e\u5e93\u541e\u5410\u91cf\u3002<\/li>\n\n\n\n
    2. \u6d41\u5f0f\u67e5\u8be2\u4e0e\u5185\u5b58\u4fdd\u62a4\uff1a<\/strong>\u5f53\u9700\u8981\u5bfc\u51fa\u6d77\u91cf\u6570\u636e\uff08\u5982\u767e\u4e07\u7ea7\u62a5\u8868\uff09\u65f6\uff0c\u9ed8\u8ba4\u7684JDBC\u884c\u4e3a\u4f1a\u5c06\u7ed3\u679c\u96c6\u5168\u90e8\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u6781\u6613\u5bfc\u81f4OutOfMemoryError\u3002\u6b64\u65f6\u9700\u914d\u7f6euseCursorFetch=true\uff0c\u5e76\u5728\u521b\u5efaStatement\u65f6\u8bbe\u7f6esetFetchSize\u4e3a\u4e00\u4e2a\u6b63\u6574\u6570\uff08\u59821000\uff09\u3002\u8fd9\u544a\u8bc9\u9a71\u52a8\u4f7f\u7528\u6e38\u6807\u9010\u6279\u83b7\u53d6\u6570\u636e\uff0c\u800c\u975e\u4e00\u6b21\u6027\u62c9\u53d6\uff0c\u4ece\u800c\u4ee5\u6781\u5c0f\u7684\u5185\u5b58\u5360\u7528\u5904\u7406\u6d77\u91cf\u7ed3\u679c\u96c6\u3002<\/li>\n\n\n\n
    3. \u6279\u91cf\u64cd\u4f5c\u4f18\u5316\uff1a<\/strong>rewriteBatchedStatements\u53c2\u6570\u5bf9\u4e8e\u6279\u91cf\u63d2\u5165\uff08Batch Insert\uff09\u6027\u80fd\u5f71\u54cd\u5de8\u5927\u3002\u5c06\u5176\u8bbe\u7f6e\u4e3atrue\u540e\uff0c\u9a71\u52a8\u4f1a\u5c06\u591a\u6761INSERT\u8bed\u53e5\u91cd\u5199\u4e3a\u4e00\u6761\u591a\u503c\u63d2\u5165\u8bed\u53e5\uff08Multi-value INSERT\uff09\uff0c\u6781\u5927\u5730\u51cf\u5c11\u4e86\u7f51\u7edc\u5f80\u8fd4\u6b21\u6570\uff08RTT\uff09\uff0c\u80fd\u4f7f\u6279\u91cf\u5199\u5165\u6027\u80fd\u63d0\u5347\u6570\u500d\u751a\u81f3\u6570\u5341\u500d\u3002<\/li>\n<\/ol>\n\n\n\n

      \u4e09\u3001\u5b89\u5168\u8ba4\u8bc1\u4e0e\u8d85\u65f6\u63a7\u5236<\/h2>\n\n\n\n

      \u968f\u7740MySQL\u5b89\u5168\u7b56\u7565\u7684\u5347\u7ea7\uff0c\u8ba4\u8bc1\u65b9\u5f0f\u548c\u7f51\u7edc\u8d85\u65f6\u914d\u7f6e\u53d8\u5f97\u5c24\u4e3a\u5173\u952e\u3002<\/p>\n\n\n\n

        \n
      1. \u516c\u94a5\u68c0\u7d22\uff1a<\/strong>\u5728\u4f7f\u7528MySQL 8.0\u9ed8\u8ba4\u7684caching_sha2_password\u8ba4\u8bc1\u63d2\u4ef6\u65f6\uff0c\u5982\u679c\u672a\u914d\u7f6eSSL\u8fde\u63a5\uff0c\u5ba2\u6237\u7aef\u53ef\u80fd\u65e0\u6cd5\u83b7\u53d6\u670d\u52a1\u5668\u7684RSA\u516c\u94a5\uff0c\u5bfc\u81f4\u8fde\u63a5\u5931\u8d25\u3002\u6b64\u65f6\u5fc5\u987b\u5728URL\u4e2d\u6dfb\u52a0allowPublicKeyRetrieval=true\uff0c\u5141\u8bb8\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u8bf7\u6c42\u516c\u94a5\u4ee5\u5b8c\u6210\u5bc6\u7801\u52a0\u5bc6\u3002\u4f46\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u66f4\u63a8\u8350\u7684\u505a\u6cd5\u662f\u914d\u7f6eSSL\u8fde\u63a5\uff08useSSL=true\uff09\u5e76\u5bfc\u5165\u8bc1\u4e66\uff0c\u4ee5\u786e\u4fdd\u4f20\u8f93\u5c42\u5b89\u5168\u3002<\/li>\n\n\n\n
      2. \u8d85\u65f6\u53c2\u6570\uff1a<\/strong>connectTimeout\u5b9a\u4e49\u4e86\u5efa\u7acbsocket\u8fde\u63a5\u7684\u6700\u5927\u7b49\u5f85\u65f6\u95f4\uff08\u6beb\u79d2\uff09\uff0c\u9632\u6b62\u56e0\u7f51\u7edc\u4e0d\u901a\u5bfc\u81f4\u7a0b\u5e8f\u957f\u65f6\u95f4\u6302\u8d77\uff1bsocketTimeout\uff08\u6216networkTimeout\uff09\u5b9a\u4e49\u4e86\u7b49\u5f85\u6570\u636e\u5e93\u8fd4\u56de\u6570\u636e\u7684\u6700\u5927\u65f6\u95f4\u3002\u5408\u7406\u8bbe\u7f6e\u8fd9\u4e24\u4e2a\u53c2\u6570\uff08\u5982connectTimeout=10000&socketTimeout=30000\uff09\u662f\u9632\u6b62\u201c\u6162SQL\u201d\u6216\u7f51\u7edc\u6545\u969c\u62d6\u57ae\u6574\u4e2a\u5e94\u7528\u7ebf\u7a0b\u6c60\u7684\u5173\u952e\u9632\u7ebf\u3002<\/li>\n<\/ol>\n\n\n\n
        \"MySQL<\/figure>\n\n\n\n

        MySQL JDBC\u8fde\u63a5\u53c2\u6570\u7684\u914d\u7f6e\u7edd\u975e\u7b80\u5355\u7684\u201c\u952e\u503c\u5bf9\u201d\u5806\u780c\uff0c\u800c\u662f\u5bf9\u6570\u636e\u5e93\u4ea4\u4e92\u884c\u4e3a\u7684\u7cbe\u7ec6\u5316\u8c03\u63a7\u3002\u4ece\u57fa\u7840\u7684serverTimezone\u65f6\u533a\u6821\u51c6\uff0c\u5230\u8fdb\u9636\u7684rewriteBatchedStatements\u6027\u80fd\u538b\u69a8\uff0c\u518d\u5230allowPublicKeyRetrieval\u7684\u5b89\u5168\u63e1\u624b\uff0c\u6bcf\u4e00\u4e2a\u53c2\u6570\u80cc\u540e\u90fd\u5bf9\u5e94\u7740\u7279\u5b9a\u7684\u5e94\u7528\u573a\u666f\u4e0e\u6f5c\u5728\u98ce\u9669\u3002\u5f00\u53d1\u8005\u5728\u914d\u7f6e\u65f6\uff0c\u5e94\u907f\u514d\u76f2\u76ee\u590d\u5236\u7f51\u4e0a\u7684\u201c\u4e07\u80fd\u914d\u7f6e\u201d\uff0c\u800c\u5e94\u6839\u636e\u5b9e\u9645\u7684\u4e1a\u52a1\u9700\u6c42\u3001MySQL\u7248\u672c\u4ee5\u53ca\u7f51\u7edc\u73af\u5883\u8fdb\u884c\u53d6\u820d\u3002\u53ea\u6709\u6df1\u5165\u7406\u89e3\u8fd9\u4e9b\u6838\u5fc3\u53c2\u6570\u7684\u8fd0\u4f5c\u673a\u5236\uff0c\u624d\u80fd\u5728\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\u4e0e\u5b89\u5168\u6027\u7684\u524d\u63d0\u4e0b\uff0c\u6784\u5efa\u51fa\u9ad8\u6548\u3001\u7a33\u5b9a\u7684\u6570\u636e\u5e93\u8fde\u63a5\u5c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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