{"id":164205,"date":"2024-11-05T05:55:24","date_gmt":"2024-11-04T21:55:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/164205\/"},"modified":"2024-11-05T05:55:25","modified_gmt":"2024-11-04T21:55:25","slug":"%e5%80%9f%e5%8a%a9redis%e5%af%a6%e7%8f%be%e9%9b%86%e5%90%88%e5%80%bc%e7%9a%84%e8%87%aa%e5%a2%9e%e6%93%8d%e4%bd%9c%ef%bc%88redis%e9%9b%86%e5%90%88%e5%80%bc%e9%81%9e%e5%a2%9e%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/164205\/","title":{"rendered":"\u501f\u52a9Redis\u5be6\u73fe\u96c6\u5408\u503c\u7684\u81ea\u589e\u64cd\u4f5c\uff08redis\u96c6\u5408\u503c\u905e\u589e\uff09"},"content":{"rendered":"

\u501f\u52a9Redis\u5be6\u73fe\u96c6\u5408\u503c\u7684\u81ea\u589e\u64cd\u4f5c\uff08redis\u96c6\u5408\u503c\u905e\u589e\uff09<\/h1>\n

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\u4ec0\u9ebc\u662fRedis\u96c6\u5408\uff1f<\/h2>\n

Redis\u96c6\u5408\u662f\u4e00\u7a2e\u7121\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u652f\u6301\u57fa\u672c\u7684\u96c6\u5408\u64cd\u4f5c\uff0c\u5982\u6dfb\u52a0\u3001\u522a\u9664\u548c\u67e5\u8a62\u5143\u7d20\u3002\u8207\u5176\u4ed6\u6578\u64da\u7d50\u69cb\u76f8\u6bd4\uff0c\u96c6\u5408\u7684\u4e3b\u8981\u7279\u9ede\u662f\u5176\u5143\u7d20\u7684\u552f\u4e00\u6027\uff0c\u5373\u540c\u4e00\u500b\u96c6\u5408\u4e2d\u4e0d\u6703\u5b58\u5728\u91cd\u8907\u7684\u5143\u7d20\u3002\u9019\u4f7f\u5f97\u96c6\u5408\u5728\u8655\u7406\u9700\u8981\u53bb\u91cd\u7684\u6578\u64da\u6642\u975e\u5e38\u6709\u7528\u3002<\/p>\n

\u81ea\u589e\u64cd\u4f5c\u7684\u9700\u6c42<\/h2>\n

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Redis\u7684\u81ea\u589e\u64cd\u4f5c<\/h2>\n

Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u81ea\u589e\u64cd\u4f5c\u7684\u547d\u4ee4\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u662fINCR<\/code>\u548cHINCRBY<\/code>\u3002\u9019\u4e9b\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u5c0d\u9375\u7684\u503c\u9032\u884c\u81ea\u589e\uff0c\u7121\u8ad6\u8a72\u9375\u7684\u503c\u662f\u6574\u6578\u9084\u662f\u54c8\u5e0c\u8868\u4e2d\u7684\u67d0\u500b\u5b57\u6bb5\u3002<\/p>\n

\u4f7f\u7528Redis\u96c6\u5408\u9032\u884c\u81ea\u589e\u64cd\u4f5c\u7684\u793a\u4f8b<\/h3>\n

\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Redis\u96c6\u5408\u9032\u884c\u81ea\u589e\u64cd\u4f5c\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n

127.0.0.1:6379> SADD likes:post:1 user1\n(integer) 1\n127.0.0.1:6379> SADD likes:post:1 user2\n(integer) 1\n127.0.0.1:6379> SADD likes:post:1 user3\n(integer) 1\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70balikes:post:1<\/code>\u7684\u96c6\u5408\uff0c\u4e26\u5411\u5176\u4e2d\u6dfb\u52a0\u4e86\u4e09\u500b\u7528\u6236\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528SCARD<\/code>\u547d\u4ee4\u4f86\u7372\u53d6\u8a72\u96c6\u5408\u7684\u5927\u5c0f\uff0c\u5373\u9ede\u8b9a\u7684\u7e3d\u6578\uff1a<\/p>\n
127.0.0.1:6379> SCARD likes:post:1\n(integer) 3\n<\/code><\/pre>\n
\u7d50\u5408\u81ea\u589e\u64cd\u4f5c\u7684\u54c8\u5e0c\u8868<\/h2>\n
\u5982\u679c\u6211\u5011\u5e0c\u671b\u80fd\u5920\u8a18\u9304\u6bcf\u500b\u7528\u6236\u7684\u9ede\u8b9a\u6b21\u6578\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u54c8\u5e0c\u8868\u4f86\u5b58\u5132\u9019\u4e9b\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u7d50\u5408\u54c8\u5e0c\u8868\u548c\u81ea\u589e\u64cd\u4f5c\u7684\u793a\u4f8b\uff1a<\/p>\n
127.0.0.1:6379> HINCRBY user:1 likes 1\n(integer) 1\n127.0.0.1:6379> HINCRBY user:1 likes 1\n(integer) 2\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528HINCRBY<\/code>\u547d\u4ee4\u5c0d\u7528\u6236user:1<\/code>\u7684\u9ede\u8b9a\u6b21\u6578\u9032\u884c\u81ea\u589e\u3002\u9019\u6a23\uff0c\u6211\u5011\u5c31\u80fd\u5920\u8f15\u9b06\u5730\u8ddf\u8e64\u6bcf\u500b\u7528\u6236\u7684\u9ede\u8b9a\u6b21\u6578\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
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