{"id":184528,"date":"2024-11-10T13:58:18","date_gmt":"2024-11-10T05:58:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184528\/"},"modified":"2024-11-10T13:58:19","modified_gmt":"2024-11-10T05:58:19","slug":"%e4%bd%bf%e7%94%a8redis%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e4%b8%ad%e6%98%af%e5%90%a6%e6%9c%89%e5%80%bc%ef%bc%88redis%e6%9f%a5%e7%9c%8b%e6%98%af%e5%90%a6%e6%9c%89%e5%80%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184528\/","title":{"rendered":"\u4f7f\u7528Redis\u6aa2\u67e5\u6578\u64da\u4e2d\u662f\u5426\u6709\u503c\uff08redis\u67e5\u770b\u662f\u5426\u6709\u503c\uff09"},"content":{"rendered":"

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Redis\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0cRedis\u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u7684\u9996\u9078\u5de5\u5177\u3002\u5728\u4f7f\u7528Redis\u6642\uff0c\u6aa2\u67e5\u6578\u64da\u4e2d\u662f\u5426\u5b58\u5728\u7279\u5b9a\u503c\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Redis\u4f86\u6aa2\u67e5\u6578\u64da\u4e2d\u662f\u5426\u6709\u503c\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

Redis\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

\u5728\u6df1\u5165\u6aa2\u67e5\u6578\u64da\u4e4b\u524d\uff0c\u4e86\u89e3Redis\u7684\u57fa\u672c\u6982\u5ff5\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002Redis\u662f\u4e00\u500b\u57fa\u65bc\u5167\u5b58\u7684\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u9019\u4e9b\u6578\u64da\u7d50\u69cb\u4f7f\u5f97Redis\u80fd\u5920\u9748\u6d3b\u5730\u8655\u7406\u5404\u7a2e\u6578\u64da\u5b58\u5132\u9700\u6c42\u3002<\/p>\n

\u6aa2\u67e5Redis\u4e2d\u662f\u5426\u5b58\u5728\u7279\u5b9a\u9375<\/h2>\n

\u5728Redis\u4e2d\uff0c\u6aa2\u67e5\u67d0\u500b\u9375\u662f\u5426\u5b58\u5728\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4 EXISTS<\/code>\u3002\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de1\uff08\u5b58\u5728\uff09\u62160\uff08\u4e0d\u5b58\u5728\uff09\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 EXISTS<\/code> \u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n

EXISTS key<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u6aa2\u67e5\u9375 user:1001<\/code> \u662f\u5426\u5b58\u5728\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
EXISTS user:1001<\/code><\/pre>\n
\u5982\u679c\u8a72\u9375\u5b58\u5728\uff0cRedis\u5c07\u8fd4\u56de1\uff1b\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de0\u3002<\/p>\n
\u6aa2\u67e5Redis\u4e2d\u67d0\u500b\u503c\u662f\u5426\u5b58\u5728<\/h2>\n
\u9664\u4e86\u6aa2\u67e5\u9375\u7684\u5b58\u5728\u6027\uff0c\u6709\u6642\u6211\u5011\u9700\u8981\u6aa2\u67e5\u67d0\u500b\u7279\u5b9a\u7684\u503c\u662f\u5426\u5b58\u5728\u65bc\u67d0\u500b\u6578\u64da\u7d50\u69cb\u4e2d\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u4f7f\u7528\u54c8\u5e0c\u4f86\u5b58\u5132\u7528\u6236\u4fe1\u606f\uff0c\u4e26\u60f3\u6aa2\u67e5\u67d0\u500b\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u662f\u5426\u5b58\u5728\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 HGET<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u8a72\u503c\uff0c\u7136\u5f8c\u9032\u884c\u5224\u65b7\u3002<\/p>\n
\u4ee5\u4e0b\u662f\u6aa2\u67e5\u54c8\u5e0c\u4e2d\u67d0\u500b\u5b57\u6bb5\u662f\u5426\u5b58\u5728\u7684\u793a\u4f8b\uff1a<\/p>\n
HGET user:1001 email<\/code><\/pre>\n
\u5982\u679c\u8fd4\u56de\u7684\u7d50\u679c\u70ba (nil)<\/code>\uff0c\u5247\u8868\u793a\u8a72\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u4e0d\u5b58\u5728\uff1b\u5982\u679c\u8fd4\u56de\u4e00\u500b\u5177\u9ad4\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\uff0c\u5247\u8868\u793a\u8a72\u503c\u5b58\u5728\u3002<\/p>\n
\u4f7f\u7528\u96c6\u5408\u6aa2\u67e5\u503c\u7684\u5b58\u5728\u6027<\/h2>\n
\u5982\u679c\u6211\u5011\u4f7f\u7528\u96c6\u5408\u4f86\u5b58\u5132\u4e00\u7d44\u552f\u4e00\u7684\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528 SISMEMBER<\/code> \u547d\u4ee4\u4f86\u6aa2\u67e5\u67d0\u500b\u503c\u662f\u5426\u5b58\u5728\u65bc\u96c6\u5408\u4e2d\u3002\u9019\u500b\u547d\u4ee4\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
SISMEMBER key member<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba active_users<\/code> \u7684\u96c6\u5408\uff0c\u60f3\u8981\u6aa2\u67e5\u7528\u6236 user:1001<\/code> \u662f\u5426\u5728\u5176\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
SISMEMBER active_users user:1001<\/code><\/pre>\n
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\u7d50\u8ad6<\/h2>\n
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\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684Redis\u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u9700\u8981\u9ad8\u6027\u80fd\u7684 \u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u9748\u6d3b\u7684 \u4e91\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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