{"id":202084,"date":"2025-05-10T08:02:23","date_gmt":"2025-05-10T00:02:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202084\/"},"modified":"2025-05-10T08:02:23","modified_gmt":"2025-05-10T00:02:23","slug":"redis%e5%9c%a8%e5%88%86%e5%b8%83%e5%bc%8f%e4%ba%8b%e7%89%a9%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202084\/","title":{"rendered":"Redis\u5728\u5206\u5e03\u5f0f\u4e8b\u7269\u4e2d\u7684\u5e94\u7528\u5b9e\u8df5"},"content":{"rendered":"

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

Redis\u5728\u5206\u5e03\u5f0f\u4e8b\u7269\u4e2d\u7684\u5e94\u7528\u5b9e\u8df5<\/h1>\n

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\u4e00\u3001Redis\u5206\u5e03\u5f0f\u4e8b\u7269\u7b80\u4ecb<\/p>\n

Redis\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u9ad8\u6027\u80fdkey-value\u5b58\u50a8\u7cfb\u7edf\u3002\u5728Redis\u4e2d\uff0c\u5206\u5e03\u5f0f\u4e8b\u7269\u662f\u57fa\u4e8eMULTI\/EXEC\u547d\u4ee4\u6765\u5b9e\u73b0\u7684\uff0cMULTI\u547d\u4ee4\u7528\u4e8e\u5f00\u542f\u4e00\u4e2a\u4e8b\u7269\u5757\uff0cEXEC\u547d\u4ee4\u7528\u4e8e\u63d0\u4ea4\u4e00\u4e2a\u4e8b\u7269\u5757\u3002\u5728\u4e8b\u7269\u5757\u4e2d\uff0c\u5ba2\u6237\u7aef\u53ef\u4ee5\u6267\u884c\u591a\u4e2a\u547d\u4ee4\uff0c\u5e76\u4e14\u8fd9\u4e9b\u547d\u4ee4\u88ab\u5f53\u505a\u6574\u4f53\u8fdb\u884c\u63d0\u4ea4\u6216\u56de\u6eda\u3002<\/p>\n

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1.\u4e8b\u7269\u5757\u5185\u7684\u6240\u6709\u547d\u4ee4\u6309\u7167\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u987a\u5e8f\u6267\u884c<\/p>\n

2.\u4e8b\u7269\u5757\u4e2d\u7684\u6bcf\u4e2a\u547d\u4ee4\u90fd\u662f\u539f\u5b50\u6027\u7684\uff0c\u8981\u4e48\u5168\u90e8\u6267\u884c\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u56de\u6eda<\/p>\n

3.\u4e00\u4e2a\u5ba2\u6237\u7aef\u5728\u6267\u884c\u4e8b\u7269\u5757\u671f\u95f4\uff0c\u5176\u4ed6\u5ba2\u6237\u7aef\u4e0d\u80fd\u6267\u884c\u4e0e\u4e8b\u7269\u5757\u76f8\u5173\u7684\u547d\u4ee4<\/p>\n

\u4e8c\u3001\u5206\u5e03\u5f0f\u4e8b\u7269\u5b9e\u8df5<\/p>\n

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\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u7535\u5546\u7f51\u7ad9\uff0c\u9700\u8981\u4e0b\u5355\u6263\u51cf\u5e93\u5b58\u548c\u7528\u6237\u4f59\u989d\u3002\u4e3a\u4e86\u5b9e\u73b0\u5f3a\u4e00\u81f4\u6027\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528Redis\u5206\u5e03\u5f0f\u4e8b\u7269\u6765\u4fdd\u8bc1\u4e0b\u5355\u548c\u6263\u51cf\u5e93\u5b58\u7684\u539f\u5b50\u6027\u3002<\/p>\n

\u5177\u4f53\u65b9\u6848\u5982\u4e0b\uff1a<\/p>\n

1.\u5ba2\u6237\u7aef\u5411Redis\u53d1\u8d77MULTI\u547d\u4ee4\uff0c\u8868\u793a\u5f00\u59cb\u4e00\u4e2a\u4e8b\u7269\u5757<\/p>\n

2.\u5ba2\u6237\u7aef\u4f9d\u6b21\u6267\u884c\u6263\u51cf\u5e93\u5b58\u548c\u6263\u51cf\u7528\u6237\u4f59\u989d\u7684\u547d\u4ee4<\/p>\n

3.\u5ba2\u6237\u7aef\u5411Redis\u53d1\u9001EXEC\u547d\u4ee4\uff0c\u8868\u793a\u63d0\u4ea4\u4e8b\u7269\u5757<\/p>\n

\u5982\u679c\u5728\u6267\u884c\u4e8b\u7269\u5757\u4e2d\u51fa\u73b0\u4e86\u9519\u8bef\uff0cRedis\u4f1a\u81ea\u52a8\u56de\u6eda\u4e4b\u524d\u6267\u884c\u7684\u6240\u6709\u547d\u4ee4\uff0c\u4ece\u800c\u4fdd\u8bc1\u4e8b\u7269\u7684\u4e00\u81f4\u6027<\/p>\n

\u4e0b\u9762\u662f\u5177\u4f53\u7684\u5b9e\u73b0\u4ee3\u7801\uff1a<\/p>\n

if(redisClient.MULTI()){\n    redisClient.execute(\"decrBy\", \"goods:1001:stock\", String.valueOf(goodsNum));\n    redisClient.execute(\"decrBy\", \"user:1001:balance\", String.valueOf(price));\n}\nredisClient.EXEC();<\/pre>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u4e8b\u7269\u5757\u4e2d\u6267\u884c\u7684\u6bcf\u4e2a\u547d\u4ee4\u90fd\u5fc5\u987b\u662f\u539f\u5b50\u6027\u7684\uff0c\u8981\u4e48\u5168\u90e8\u6267\u884c\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u56de\u6eda\u3002\u56e0\u6b64\uff0c\u5728\u7f16\u5199\u547d\u4ee4\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4ee3\u7801\u7684\u5065\u58ee\u6027\u548c\u5f02\u5e38\u5904\u7406\u3002<\/p>\n
\u4e09\u3001\u603b\u7ed3<\/p>\n
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