{"id":183550,"date":"2024-11-10T05:45:20","date_gmt":"2024-11-09T21:45:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183550\/"},"modified":"2024-11-10T05:45:21","modified_gmt":"2024-11-09T21:45:21","slug":"%e4%bd%bf%e7%94%a8-redis-%e7%8d%b2%e5%8f%96%e6%89%80%e6%9c%89%e9%8d%b5%e5%80%bc%e5%b0%8d%ef%bc%88redis%e7%8d%b2%e5%8f%96%e6%89%80%e6%9c%89%e5%81%a5%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183550\/","title":{"rendered":"\u4f7f\u7528 Redis \u7372\u53d6\u6240\u6709\u9375\u503c\u5c0d\uff08redis\u7372\u53d6\u6240\u6709\u5065\uff09"},"content":{"rendered":"

\u4f7f\u7528 Redis \u7372\u53d6\u6240\u6709\u9375\u503c\u5c0d\uff08redis\u7372\u53d6\u6240\u6709\u5065\uff09<\/h1>\n

Redis \u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u4f5c\u70ba\u4e00\u500b\u958b\u6e90\u7684 NoSQL \u6578\u64da\u5eab\uff0cRedis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff0c\u4e26\u4e14\u652f\u6301\u9ad8\u6548\u7684\u6578\u64da\u64cd\u4f5c\u3002\u5728\u8a31\u591a\u61c9\u7528\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u7372\u53d6 Redis \u4e2d\u7684\u6240\u6709\u9375\u503c\u5c0d\uff0c\u4ee5\u4fbf\u9032\u884c\u6578\u64da\u5206\u6790\u6216\u8abf\u8a66\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 Redis \u7372\u53d6\u6240\u6709\u9375\u503c\u5c0d\u7684\u65b9\u6cd5\u3002<\/p>\n

Redis \u7684\u57fa\u672c\u547d\u4ee4<\/h2>\n

\u5728 Redis \u4e2d\uff0c\u6700\u5e38\u7528\u7684\u547d\u4ee4\u4e4b\u4e00\u662f KEYS<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u7372\u53d6\u7b26\u5408\u7279\u5b9a\u6a21\u5f0f\u7684\u6240\u6709\u9375\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n

KEYS pattern<\/code><\/pre>\n
\u5176\u4e2d\uff0cpattern<\/code> \u662f\u4e00\u500b\u5b57\u7b26\u4e32\u6a21\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26\u4f86\u5339\u914d\u9375\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 *<\/code> \u53ef\u4ee5\u5339\u914d\u6240\u6709\u9375\uff0c\u4f7f\u7528 user:*<\/code> \u53ef\u4ee5\u5339\u914d\u6240\u6709\u4ee5 user:<\/code> \u958b\u982d\u7684\u9375\u3002<\/p>\n
\u7372\u53d6\u6240\u6709\u9375\u503c\u5c0d\u7684\u6b65\u9a5f<\/h2>\n
\u8981\u7372\u53d6 Redis \u4e2d\u7684\u6240\u6709\u9375\u503c\u5c0d\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n
    \n
  1. \u9023\u63a5\u5230 Redis \u4f3a\u670d\u5668\u3002<\/li>\n
  2. \u4f7f\u7528 KEYS<\/code> \u547d\u4ee4\u7372\u53d6\u6240\u6709\u9375\u3002<\/li>\n
  3. \u4f7f\u7528 MGET<\/code> \u547d\u4ee4\u7372\u53d6\u6240\u6709\u9375\u7684\u503c\u3002<\/li>\n<\/ol>\n
    \u793a\u4f8b\u4ee3\u78bc<\/h3>\n
    \u4ee5\u4e0b\u662f\u4e00\u6bb5\u4f7f\u7528 Python \u548c Redis-py \u5eab\u7684\u793a\u4f8b\u4ee3\u78bc\uff0c\u5c55\u793a\u5982\u4f55\u7372\u53d6\u6240\u6709\u9375\u503c\u5c0d\uff1a<\/p>\n
    import redis\n\n# \u9023\u63a5\u5230 Redis \u4f3a\u670d\u5668\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u7372\u53d6\u6240\u6709\u9375\nkeys = r.keys('*')\n\n# \u7372\u53d6\u6240\u6709\u9375\u7684\u503c\nvalues = r.mget(keys)\n\n# \u8f38\u51fa\u6240\u6709\u9375\u503c\u5c0d\nfor key, value in zip(keys, values):\n    print(f'\u9375: {key.decode(\"utf-8\")}, \u503c: {value.decode(\"utf-8\") if value else None}')\n<\/code><\/pre>\n
    \u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9023\u63a5\u5230\u672c\u5730\u7684 Redis \u4f3a\u670d\u5668\uff0c\u7136\u5f8c\u4f7f\u7528 keys('*')<\/code> \u7372\u53d6\u6240\u6709\u9375\uff0c\u63a5\u8457\u4f7f\u7528 mget(keys)<\/code> \u7372\u53d6\u6240\u6709\u9375\u7684\u503c\u3002\u6700\u5f8c\uff0c\u6211\u5011\u5c07\u6240\u6709\u9375\u503c\u5c0d\u8f38\u51fa\u5230\u63a7\u5236\u53f0\u3002<\/p>\n
    \u6ce8\u610f\u4e8b\u9805<\/h2>\n
    \u96d6\u7136 KEYS<\/code> \u547d\u4ee4\u975e\u5e38\u65b9\u4fbf\uff0c\u4f46\u5728\u751f\u7522\u74b0\u5883\u4e2d\u4f7f\u7528\u6642\u9700\u8981\u8b39\u614e\u3002\u56e0\u70ba KEYS<\/code> \u547d\u4ee4\u6703\u904d\u6b77\u6574\u500b\u6578\u64da\u5eab\uff0c\u7576\u6578\u64da\u91cf\u975e\u5e38\u5927\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u3002\u70ba\u4e86\u907f\u514d\u9019\u7a2e\u60c5\u6cc1\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 SCAN<\/code> \u547d\u4ee4\uff0c\u5b83\u662f\u4e00\u500b\u975e\u963b\u585e\u7684\u547d\u4ee4\uff0c\u53ef\u4ee5\u5206\u6279\u7372\u53d6\u9375\uff0c\u5f9e\u800c\u6e1b\u5c11\u5c0d\u6027\u80fd\u7684\u5f71\u97ff\u3002<\/p>\n
    \u4f7f\u7528 SCAN \u547d\u4ee4\u7684\u793a\u4f8b<\/h3>\n
    cursor = 0\nwhile True:\n    cursor, keys = r.scan(cursor, count=10)\n    for key in keys:\n        value = r.get(key)\n        print(f'\u9375: {key.decode(\"utf-8\")}, \u503c: {value.decode(\"utf-8\") if value else None}')\n    if cursor == 0:\n        break\n<\/code><\/pre>\n
    \u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 SCAN<\/code> \u547d\u4ee4\u9010\u6b65\u7372\u53d6\u9375\uff0c\u4e26\u4e14\u6bcf\u6b21\u53ea\u7372\u53d6 10 \u500b\u9375\uff0c\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u5c0d Redis \u4f3a\u670d\u5668\u7684\u58d3\u529b\u3002<\/p>\n
    \u7e3d\u7d50<\/h2>\n
    \u4f7f\u7528 Redis \u7372\u53d6\u6240\u6709\u9375\u503c\u5c0d\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e KEYS<\/code> \u548c SCAN<\/code> \u547d\u4ee4\u4f86\u5be6\u73fe\u3002\u96d6\u7136 KEYS<\/code> \u547d\u4ee4\u7c21\u55ae\u6613\u7528\uff0c\u4f46\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\uff0c\u5efa\u8b70\u4f7f\u7528 SCAN<\/code> \u547d\u4ee4\u4ee5\u907f\u514d\u6027\u80fd\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5b58\u53d6\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 Redis \u914d\u7f6e\u548c\u547d\u4ee4\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n
    \u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 Redis \u4f3a\u670d\u5668\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u5730\u5340\u7684\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u4f7f\u7528 Redis \u7372\u53d6\u6240\u6709\u9375\u503c\u5c0d\u7684\u7c21\u55ae\u65b9\u6cd5\uff0c\u5feb\u901f\u6aa2\u7d22\u6578\u64da\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\uff0c\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-183550","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183550","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=183550"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183550\/revisions"}],"predecessor-version":[{"id":183551,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183550\/revisions\/183551"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183550"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}