{"id":10264,"date":"2022-10-09T02:08:02","date_gmt":"2022-10-09T09:08:02","guid":{"rendered":"https:\/\/www.xh86.me\/?p=10264"},"modified":"2022-10-09T02:08:02","modified_gmt":"2022-10-09T09:08:02","slug":"%e6%9c%80%e5%85%a8%e9%9d%a2%e7%9a%84mysql%e9%ab%98%e5%8f%af%e7%94%a8%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=10264","title":{"rendered":"\u6700\u5168\u9762\u7684MySQL\u9ad8\u53ef\u7528\u65b9\u6848"},"content":{"rendered":"
\n

<\/div><\/p>\n

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MySQL\u7684\u590d\u5236\u529f\u80fd\uff08\u4e4b\u524d\u53eb\u505aMaster Slave replication\uff0c\u73b0\u5728\u6539\u4e3a Source Replica replication\uff09\u3002MySQL\u80fd\u591f\u4ea7\u751f\u4e00\u4e2a\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff08binlog\uff09\uff0c\u5f53MySQL\u5f00\u542f\u8be5\u529f\u80fd\u540e\uff0c\u80fd\u591f\u5c06MySQL\u670d\u52a1\u5668\u6240\u4ea7\u751f\u7684\u5168\u90e8\u4e8b\u4ef6\u8bb0\u5f55\u5728\u65e5\u5fd7\u5185\u3002MySQL\u7684\u590d\u5236\u529f\u80fd\u5c06binlog\u4f20\u9012\u5230\u53e6\u5916\u4e00\u53f0\u670d\u52a1\u5668\uff08\u53ef\u4ee5\u5c06\u5176\u79f0\u4e4b\u4e3a\u4ece\u670d\u52a1\u5668\uff0cSlave\u6216\u8005Replica\uff0c\u53d1\u9001binlog\u7684\u670d\u52a1\u5668\u79f0\u4e4b\u4e3a\u4e3b\u670d\u52a1\u5668\uff09\uff0c\u4ece\u670d\u52a1\u5668\u63a5\u53d7\u5230binlog\u540e\uff0c\u5c06\u65e5\u5fd7\u8bb0\u5f55\u7684\u4e8b\u4ef6\u8fdb\u884c\u5e94\u7528\uff0c\u4ee5\u6b64\u8fbe\u5230\u4e24\u53f0\u670d\u52a1\u5668\u6570\u636e\u4e00\u81f4\u7684\u76ee\u7684\uff0c\u56e0\u6b64\uff0c\u5b9e\u73b0\u4e86\u590d\u5236\u3002\u4e3b\u4ece\u590d\u5236\u7684\u539f\u7406\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

<\/div><\/p>\n

\n

\u65b9\u6848\u4e00\u2014\u2014MMM<\/p>\n

MMM(Multi-Master Replication Manager)\u662f\u4e00\u7ec4\u7075\u6d3b\u7684\u811a\u672c\uff0c\u7528\u4e8e\u6267\u884c MySQL \u4e3b-\u4e3b\u590d\u5236\u914d\u7f6e\u7684\u76d1\u89c6\/\u6545\u969c\u8f6c\u79fb\u548c\u7ba1\u7406\uff08\u4efb\u4f55\u65f6\u5019\u53ea\u6709\u4e00\u4e2a\u8282\u70b9\u53ef\u5199\uff09\u3002<\/p>\n

MMM\u591a\u7528\u4e8e\u4ee5\u4e0b2\u79cd\u573a\u666f\uff1a<\/p>\n

\u4e24\u4e2a\u8282\u70b9\uff1a<\/p>\n

<\/div><\/p>\n

\u5728\u4e24\u4e2a\u8282\u70b9\u7684\u4e3b-\u4e3b\u8bbe\u7f6e\u4e2d\uff0cMMM\u4f7f\u7528\u4e86\u4e94\u4e2aIP\uff0c\u6bcf\u4e2a\u8282\u70b9\u53ea\u6709\u4e00\u4e2a\u6c38\u4e45IP\uff0c2\u4e2a\u8bfb\u53d6IP(\u53ea\u8bfb)\u548c1\u4e2a\u5199\u5165IP(\u66f4\u65b0)\u3002\u540e\u9762\u4e09\u4e2aIP\u6839\u636e\u8282\u70b9\u53ef\u7528\u6027\u5728\u8282\u70b9\u4e4b\u95f4\u5207\u6362\u3002<\/p>\n

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<\/div><\/p>\n

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MMM\u7684\u4e3b\u8981\u529f\u80fd\u7531\u4e09\u4e2a\u811a\u672c\u63d0\u4f9b: mmm_mond \u8d1f\u8d23\u76d1\u63a7\u5de5\u4f5c\u7684\u5b88\u62a4\u8fdb\u7a0b\uff0c\u51b3\u5b9a\u662f\u5426\u5c06\u8282\u70b9\u8fdb\u884c\u79fb\u9664(mmm_mond\u8fdb\u884c\u5fc3\u8df3\u68c0\u6d4b\uff0c\u5982\u679c\u68c0\u6d4b\u5230\u5931\u8d25\uff0c\u5219\u5c06\u5199\u5165IP\u5207\u6362\u5230\u53e6\u5916\u4e00\u53f0\u4e3b\u670d\u52a1\u5668) mmm_agentd \u662f\u8fd0\u884c\u5728mysql\u670d\u52a1\u5668\u4e0a\u7684\u4ee3\u7406\u5b88\u62a4\u8fdb\u7a0b\uff0cmmm_control \u901a\u8fc7\u547d\u4ee4\u884c\u7ba1\u7406mmm_mond\u8fdb\u7a0b\u3002<\/span><\/p>\n

\n

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\u7f3a\u70b9\uff1a\u76d1\u63a7\u8282\u70b9\u4f1a\u53d1\u751f\u5355\u70b9\u6545\u969c\u3002\u5e76\u4e14\u5bf9\u4e3b\u673a\u7684\u6570\u91cf\u6709\u8981\u6c42\uff0c\u81f3\u5c11\u4e09\u4e2a\u8282\u70b9\u3002\u5982\u679c<\/span>\u9700\u8981\u5b9e\u73b0\u8bfb\u5199\u5206\u79bb,\u8fd8\u9700\u8981\u5728\u524d\u7aef\u7f16\u5199\u8bfb\u5199\u5206\u79bb\u7a0b\u5e8f\u3002\u5728\u8bfb\u5199\u975e\u5e38\u7e41\u5fd9\u7684\u4e1a\u52a1\u7cfb\u7edf\u4e0b\u8868\u73b0\u4e0d\u662f\u5f88 \u7a33\u5b9a\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u590d\u5236\u5ef6\u65f6\u3001\u5207\u6362\u5931\u6548\u7b49\u95ee\u9898\u3002MMM\u65b9\u6848\u5e76\u4e0d\u592a\u9002\u5e94\u4e8e\u5bf9\u6570\u636e\u5b89\u5168\u6027\u8981\u6c42\u5f88\u9ad8\uff0c\u5e76\u4e14\u8bfb\u3001\u5199\u7e41\u5fd9\u7684\u73af\u5883\u4e2d\u3002<\/p>\n

\u65b9\u6848\u4e8c\u2014\u2014MHA
\n<\/span><\/p>\n

MHA\uff08Master High Availability\uff09\u7531\u539fMySQL\u56e2\u961f\uff08Sun\u65f6\u4ee3\uff09\u7684Yoshinori Matsunobu\u5f00\u53d1\u3002\u53ef\u4ee5\u5b9e\u73b0\u6545\u969c\u5207\u6362\u548c\u4e3b\u4ece\u63d0\u5347\u529f\u80fd\u3002\u5728 MySQL \u6545\u969c\u5207\u6362\u8fc7\u7a0b\u4e2d\uff0cMHA \u80fd\u505a\u5230\u5728 0~30 \u79d2\u4e4b\u5185\u81ea\u52a8\u5b8c\u6210\u6570\u636e\u5e93\u7684\u6545\u969c\u5207\u6362\u64cd\u4f5c\uff0c\u5e76\u4e14\u5728\u8fdb\u884c\u6545\u969c\u5207\u6362\u7684\u8fc7\u7a0b\u4e2d\uff0cMHA \u80fd\u5728\u6700\u5927\u7a0b\u5ea6\u4e0a\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\uff0c\u4ee5\u8fbe\u5230\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u9ad8\u53ef\u7528\u3002<\/span><\/span>
\n<\/span><\/span><\/p>\n

<\/div><\/p>\n

MHA\u7531\u4e24\u90e8\u5206\u7ec4\u6210\uff1aMHA Manager\uff08\u7ba1\u7406\u8282\u70b9\uff09\u548c MHA Node\uff08\u6570\u636e\u8282\u70b9\uff09\u3002\u7ba1\u7406\u8282\u70b9\u53ef\u4ee5\u5355\u72ec\u90e8\u7f72\u5728\u4e00\u53f0\u72ec\u7acb\u7684\u670d\u52a1\u5668\u4e0a\u7ba1\u7406\u591a\u4e2a\u4e3b\u4ece\u96c6\u7fa4\uff0c\u4e5f\u53ef\u4ee5\u90e8\u7f72\u5728\u4e00\u53f0 \u4ece\u670d\u52a1\u5668\u4e0a\u3002\u6570\u636e\u8282\u70b9\u8fd0\u884c\u5728\u6bcf\u53f0 MySQL \u670d\u52a1\u5668\u4e0a\u3002\u7ba1\u7406\u8282\u70b9\u4f1a\u5b9a\u65f6\u63a2\u6d4b\u96c6\u7fa4\u4e2d\u7684 \u4e3b\u670d\u52a1\u5668\uff0c\u5f53 \u4e3b\u670d\u52a1\u5668\u51fa\u73b0\u6545\u969c\u65f6\uff0c\u5b83\u53ef\u4ee5\u81ea\u52a8\u5c06\u5177\u6709\u6700\u65b0\u6570\u636e\u7684\u4ece\u670d\u52a1\u5668\u63d0\u5347\u4e3a\u65b0\u7684\u4e3b\u670d\u52a1\u5668\uff0c\u7136\u540e\u5c06\u6240\u6709\u5176\u4ed6\u7684\u4ece\u670d\u52a1\u5668\u91cd\u65b0\u6307\u5411\u65b0\u7684\u4e3b\u670d\u52a1\u5668\u3002\u6574\u4e2a\u6545\u969c\u8f6c\u79fb\u8fc7\u7a0b\u5bf9\u5e94\u7528\u7a0b\u5e8f\u5b8c\u5168\u900f\u660e\u3002<\/p>\n

MHA\u7684\u4f18\u52bf\u5728\u4e8e\u53ef\u4ee5\u975e\u5e38\u5feb\u901f\u5730\u5b8c\u6210\u6545\u969c\u8f6c\u79fb\u53ca\u63d0\u5347\u4ece\u670d\u52a1\u5668\u89d2\u8272\u3001\u4e3b\u670d\u52a1\u5d29\u6e83\u65f6\u4e0d\u4f1a\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u3001\u7528\u6237\u65e0\u9700\u4fee\u6539\u5f53\u524d MySQL \u8bbe\u7f6e\u3001\u4e0d\u4f1a\u4ea7\u751f\u6027\u80fd\u635f\u5931\uff0c\u5e76\u4e14\u9002\u7528\u4e8e\u4efb\u4f55\u5b58\u50a8\u5f15\u64ce\u3002<\/p>\n

MHA\u66fe\u7ecf\u975e\u5e38\u6d41\u884c\uff0c\u4f46\u968f\u7740MySQL\u5b98\u65b9\u7684\u9ad8\u53ef\u7528\u65b9\u6848\u4e0d\u65ad\u63a8\u51fa\uff0c\u4f5c\u8005\u5df2\u7ecf\u610f\u8bc6\u5230\uff0c\u66fe\u7ecfMHA\u6240\u89e3\u51b3\u7684\u95ee\u9898\uff0c\u5df2\u7ecf\u9010\u6e10\u88ab\u5b98\u65b9\u7684\u89e3\u51b3\u65b9\u6848\u6240\u4ee3\u66ff\uff0c\u56e0\u6b64\uff0c\u4eceMySQL8.0\u5f00\u59cb\uff0c\u4f5c\u8005\u5df2\u7ecf\u4e0d\u5728\u5bf9MHA\u8fdb\u884c\u5f00\u53d1\u548c\u7ef4\u62a4\u3002
\n<\/span><\/p>\n

\u52a0\u5165\u4e00\u6761\u534e\u4e3d\u4e3d\u7684\u5206\u5272\u7ebf

<\/div><\/span><\/p>\n
\n
    \n
  • <\/li>\n<\/ul>\n
    mysqlmysqlmysqlmysqlmysqlmysqlmysqlmysqlmysqlmysqlmysqlmysqlmysqlmysqlmysqlmysqlmysqlmysqlmysqlmysql<\/span><\/code><\/pre>\n<\/section>\n
    \u4ee5\u4e0b\u4ecb\u7ecd\u7684\u65b9\u6848\u5747\u4e3a\u6765\u81eaMySQL\u56e2\u961f\u7684\u65b9\u6848\uff0c\u5305\u62ec\uff0cInnoDB ReplicaSet\u3001\u7ec4\u590d\u5236\uff08MySQL Group Replication MGR\uff09\u3001InnoDB Cluster\uff0c\u53caInnoDB ClusterSet\u3002<\/span><\/p>\n
    \u65b9\u6848\u4e09\u2014\u2014MySQL InnoDB ReplicaSet<\/span><\/p>\n
    MySQL InnoDB ReplicaSet<\/span>\u6574\u5408\u4e86MySQL\u76f8\u5173\u6280\u672f\uff0c\u7528\u6237\u80fd\u591f\u901a\u8fc7MySQL Shell\u90e8\u7f72\u548c\u7ba1\u7406 MySQL\u4e3b\u4ece\u590d\u5236\u3002<\/span>InnoDB ReplicaSet\u81f3\u5c11\u7531\u4e24\u53f0MySQL\u670d\u52a1\u5668\u5b9e\u4f8b\u7ec4\u6210\uff0c\u5e76\u63d0\u4f9b\u7528\u6237\u719f\u77e5\u7684MySQL\u4e3b\u4ece\u590d\u5236\u529f\u80fd\uff0c\u4f8b\u5982\uff0c\u8bfb\u53d6\u6a2a\u5411\u6269\u5c55\u548c\u6570\u636e\u5b89\u5168\u6027\u3002<\/span><\/p>\n
    MySQL InnoDB ReplicaSet\u57fa\u4e8e\u5f02\u6b65\u7684\u4e3b\u4ece\u590d\u5236\u5b9e\u73b0\uff0c\u56e0\u6b64\u9002\u7528\u4e8e\u7528\u6237\u5bf9\u9ad8\u53ef\u7528\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u73af\u5883\uff0c\u7528\u6237\u53ef\u4ee5\u901a\u8fc7MySQL Shell\u5feb\u901f\u642d\u5efa\u53ca\u7ba1\u7406\u4e3b\u4ece\u590d\u5236\uff0c\u907f\u514d\u4e86\u642d\u5efa\u4e3b\u4ece\u590d\u5236\u65f6\uff0c\u5927\u91cf\u7684\u624b\u52a8\u64cd\u4f5c\u3002\u00a0InnoDB<\/span>\u00a0Replica<\/span>Set\u7684\u67b6\u6784\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/span><\/span><\/p>\n
    \u00a0<\/span><\/p>\n
    <\/div><\/p>\n
    \n
    \u65b9\u6848\u56db\u2014\u2014\u7ec4\u590d\u5236<\/p>\n
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    <\/div><\/p>\n
    \u7ec4\u590d\u5236\u5141\u8bb8\u7528\u6237\u4ece\u73b0\u6709\u7684\u4e3b\u4ece\u590d\u5236\u5347\u7ea7\u5230\u7ec4\u590d\u5236\uff0c\u53ef\u4ee5\u786e\u4fdd\u4e00\u4e2a\u9ad8\u53ef\u7528\u7684MySQL\u670d\u52a1\u5206\u5e03\u5728\u591a\u4e2a\u5b9e\u4f8b\u4e2d\uff0c\u65e0\u9700\u4eba\u5de5\u5e72\u9884\u6765\u5b9e\u73b0\u5bb9\u9519\u3002<\/p>\n
    \u7ec4\u590d\u5236\u80fd\u591f\u786e\u4fdd\u6570\u636e\u5e93\u670d\u52a1\u8fde\u7eed\u53ef\u7528\uff0c\u4f46\u6ca1\u6709\u63d0\u4f9b\u5185\u7f6e\u65b9\u6cd5\u8fdb\u884c\u6545\u969c\u8f6c\u79fb\u6216\u8d1f\u8f7d\u5747\u8861\u3002\u4e3a\u4e86\u5b9e\u73b0\u81ea\u52a8\u5316\u7684\u6545\u969c\u8f6c\u79fb\u548c\u8d1f\u8f7d\u5747\u8861\uff0c\u7528\u6237\u53ef\u4ee5\u4f7f\u7528\u4e2d\u95f4\u4ef6\u6765\u5b9e\u73b0\u3002<\/span><\/p>\n
    \u65b9\u6848\u4e94\u2014\u2014MySQL InnoDB Cluster<\/p>\n
    MySQL InnoDB Cluster\u662f\u4e00\u5957\u5b8c\u6574\u90e8\u7f72\u548c\u7ba1\u7406MySQL\u7684\u9ad8\u53ef\u7528\u6027\u89e3\u51b3\u65b9\u6848\uff0c\u5176\u6574\u5408\u4e86MySQL\u7684\u591a\u9879\u6280\u672f\uff0c\u4ee5\u5f25\u8865\u7ec4\u590d\u5236\u65e0\u6cd5\u63d0\u4f9b\u5177\u6709\u81ea\u52a8\u5316\u6545\u969c\u8f6c\u79fb\u529f\u80fd\u7684\u4e2d\u95f4\u4ef6\uff0c\u65e0\u6cd5\u81ea\u52a8\u914d\u7f6e\u7b49\u4e0d\u8db3\u3002InnoDB Cluster\u9700\u8981\u81f3\u5c11\u4e09\u53f0MySQL\u670d\u52a1\u5668\u5b9e\u4f8b\u7ec4\u6210\uff0c\u5e76\u4e14\u63d0\u4f9b\u9ad8\u53ef\u7528\u6027\u548c\u6269\u5c55\u529f\u80fd\u3002<\/p>\n
    InnoDB Cluster\u5305\u62ec\u5982\u4e0b\u7ec4\u4ef6\uff1a<\/span><\/p>\n
    MySQL Shell\uff1aMySQL\u7684\u9ad8\u7ea7\u5ba2\u6237\u7aef\u3001\u7ba1\u7406\u5de5\u5177\u548c\u4ee3\u7801\u7f16\u8f91\u5668\u3002<\/p>\n
    MySQL\u670d\u52a1\u5668\u548c\u7ec4\u590d\u5236\uff1a\u4f7f\u4e00\u7ec4MySQL\u5b9e\u4f8b\u80fd\u591f\u63d0\u4f9b\u9ad8\u53ef\u7528\u6027\u3002InnoDB Cluster\u63d0\u4f9b\u4e86\u4e00\u79cd\u66ff\u4ee3\u624b\u52a8\u914d\u7f6e\uff0c\u6613\u4e8e\u4f7f\u7528\u7684\u7f16\u7a0b\u65b9\u5f0f\u6765\u5904\u7406\u7ec4\u590d\u5236\u3002<\/p>\n
    MySQL Router\uff1a\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u4e2d\u95f4\u4ef6\uff0c\u63d0\u4f9b\u8d1f\u8f7d\u5747\u8861\u529f\u80fd\uff0c\u5e76\u53ef\u5728\u5e94\u7528\u7a0b\u5e8f\u548c\u591a\u53f0MySQL\u5b9e\u4f8b\u4e4b\u95f4\u63d0\u4f9b\u900f\u660e\u7684\u8fde\u63a5\u8def\u7531\u3002<\/p>\n
    InnoDB Cluster\u7684\u6574\u4f53\u67b6\u6784\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n
    <\/div><\/p>\n
    \n
    \u65b9\u6848\u516d\u2014\u2014MySQL InnoDB ClusterSet<\/p>\n
    MySQL InnoDB ClusterSet \u901a\u8fc7\u5c06\u4e3b\u8981\u7684InnoDB Cluster\u4e0e\u5176\u4ed6\u4f4d\u7f6e\uff08\u4f8b\u5982\uff0c\u4e0d\u540c\u6570\u636e\u4e2d\u5fc3\uff09\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u526f\u672c\u94fe\u63a5\uff0c\u4e3a InnoDB Cluster \u90e8\u7f72\u63d0\u4f9b\u5bb9\u707e\u80fd\u529b\u3002InnoDB ClusterSet \u4f7f\u7528\u4e13\u95e8\u7684ClusterSet \u590d\u5236\u901a\u9053\uff0c\u81ea\u52a8\u7ba1\u7406\u4ece\u4e3b\u8981\u96c6\u7fa4\u5230\u526f\u672c\u96c6\u7fa4\u7684\u590d\u5236\u3002\u5982\u679c\u4e3b\u8981\u96c6\u7fa4\u56e0\u6570\u636e\u4e2d\u5fc3\u635f\u6bc1\u6216\u7f51\u7edc\u8fde\u63a5\u4e22\u5931\u53d8\u5f97\u65e0\u6cd5\u4f7f\u7528\uff0c\u7528\u6237\u53ef\u4ee5\u6fc0\u6d3b\u526f\u672c\u96c6\u7fa4\u4ee5\u6062\u590d\u670d\u52a1\u7684\u53ef\u7528\u6027\u3002InnoDB ClusterSet\u7684\u6574\u4f53\u67b6\u6784\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/span><\/span><\/p>\n
    <\/div><\/p>\n
    InnoDB ClusterSet<\/span>\u4f18\u5148\u8003\u8651\u53ef\u7528\u6027\u800c\u4e0d\u662f\u4e00\u81f4\u6027\uff0c\u4ee5\u6700\u5927<\/span>\u9650\u5ea6\u5730\u63d0\u9ad8\u7cfb\u7edf\u7684\u5bb9\u707e\u80fd\u529b\u3002<\/span>\u6b63\u5e38\u7684\u590d\u5236\u5ef6\u8fdf\u6216\u7f51\u7edc\u5206\u533a\u53ef\u80fd\u610f\u5473\u7740\u5728\u4e3b\u8981\u96c6\u7fa4\u9047\u5230\u95ee\u9898\u65f6\uff0c\u90e8\u5206\u6216\u5168\u90e8\u526f\u672c\u96c6\u7fa4\u4e0e\u4e3b\u8981\u96c6\u7fa4\u4e0d\u5b8c\u5168\u4e00\u81f4\u3002<\/span>\u5728\u8fd9\u4e9b\u573a\u666f\u4e2d\uff0c\u5982\u679c\u89e6\u53d1\u7d27\u6025\u6545\u969c\u8f6c\u79fb\uff0c\u4efb\u4f55\u672a\u590d\u5236\u6216\u53d1\u9001\u7684\u4e8b\u52a1\u90fd\u6709\u4e22\u5931\u7684\u98ce\u9669\uff0c\u5e76\u4e14\u53ea\u80fd\u7531\u7528\u6237\u8fdb\u884c\u624b\u52a8\u6062\u590d\u548c\u534f\u8c03\uff0c\u65e0\u6cd5\u4fdd\u8bc1\u5728\u53d1\u751f\u7d27\u6025\u6545\u969c\u8f6c\u79fb\u65f6\u4f1a\u4fdd\u7559\u6570\u636e\u3002<\/span><\/p>\n
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