{"id":98206,"date":"2024-10-21T00:40:19","date_gmt":"2024-10-20T16:40:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98206\/"},"modified":"2024-10-21T00:40:19","modified_gmt":"2024-10-20T16:40:19","slug":"redis-%e6%9f%a5%e6%89%be%e5%ad%97%e7%ac%a6%e4%b8%b2%e4%b8%ad%e7%9a%84%e5%80%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98206\/","title":{"rendered":"Redis \u67e5\u627e\u5b57\u7b26\u4e32\u4e2d\u7684\u503c"},"content":{"rendered":"

Redis \u67e5\u627e\u5b57\u7b26\u4e32\u4e2d\u7684\u503c<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5feb\u901f\u548c\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u67e5\u627e\u548c\u5b58\u53d6\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 Redis \u4e2d\u67e5\u627e\u5b57\u7b26\u4e32\u4e2d\u7684\u503c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n

Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\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\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002<\/p>\n

\u5728 Redis \u4e2d\u67e5\u627e\u5b57\u7b26\u4e32\u4e2d\u7684\u503c<\/h2>\n

\u5728 Redis \u4e2d\uff0c\u5b57\u7b26\u4e32\u662f\u6700\u57fa\u672c\u7684\u6578\u64da\u985e\u578b\u3002\u67e5\u627e\u5b57\u7b26\u4e32\u4e2d\u7684\u503c\u901a\u5e38\u6d89\u53ca\u5230\u5c0d\u5b57\u7b26\u4e32\u7684\u64cd\u4f5c\uff0c\u4f8b\u5982\u6aa2\u67e5\u67d0\u500b\u5b50\u5b57\u7b26\u4e32\u662f\u5426\u5b58\u5728\uff0c\u6216\u662f\u7372\u53d6\u5b57\u7b26\u4e32\u7684\u67d0\u500b\u90e8\u5206\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u64cd\u4f5c\uff1a<\/p>\n

1. \u4f7f\u7528 GET \u547d\u4ee4\u7372\u53d6\u5b57\u7b26\u4e32<\/h3>\n

\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5c07\u5b57\u7b26\u4e32\u5b58\u5132\u5728 Redis \u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528 SET<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u5b57\u7b26\u4e32\u7684\u503c\uff0c\u7136\u5f8c\u4f7f\u7528 GET<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u8a72\u503c\u3002<\/p>\n

SET mykey \"Hello, Redis!\"\nGET mykey\n<\/code><\/pre>\n
2. \u4f7f\u7528 SUBSTR \u547d\u4ee4\u7372\u53d6\u5b50\u5b57\u7b26\u4e32<\/h3>\n
\u5982\u679c\u6211\u5011\u60f3\u8981\u7372\u53d6\u5b57\u7b26\u4e32\u4e2d\u7684\u67d0\u4e00\u90e8\u5206\uff0c\u53ef\u4ee5\u4f7f\u7528 SUBSTR<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u5141\u8a31\u6211\u5011\u6307\u5b9a\u8d77\u59cb\u4f4d\u7f6e\u548c\u7d50\u675f\u4f4d\u7f6e\u4f86\u63d0\u53d6\u5b50\u5b57\u7b26\u4e32\u3002<\/p>\n
SET mykey \"Hello, Redis!\"\nSUBSTR mykey 0 4\n<\/code><\/pre>\n
\u4e0a\u8ff0\u547d\u4ee4\u5c07\u8fd4\u56de “Hell”\uff0c\u56e0\u70ba\u5b83\u5f9e\u7d22\u5f15 0 \u958b\u59cb\uff0c\u63d0\u53d6 4 \u500b\u5b57\u7b26\u3002<\/p>\n
3. \u4f7f\u7528 STRLEN \u547d\u4ee4\u7372\u53d6\u5b57\u7b26\u4e32\u9577\u5ea6<\/h3>\n
\u6709\u6642\u5019\uff0c\u6211\u5011\u9700\u8981\u77e5\u9053\u5b57\u7b26\u4e32\u7684\u9577\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528 STRLEN<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u5b57\u7b26\u4e32\u7684\u5b57\u5143\u6578\u3002<\/p>\n
STRLEN mykey\n<\/code><\/pre>\n
\u9019\u5c07\u8fd4\u56de\u5b57\u7b26\u4e32 “Hello, Redis!” \u7684\u9577\u5ea6\uff0c\u5373 13\u3002<\/p>\n
4. \u4f7f\u7528 CONTAINS \u6aa2\u67e5\u5b50\u5b57\u7b26\u4e32<\/h3>\n
Redis \u672c\u8eab\u4e26\u4e0d\u63d0\u4f9b\u76f4\u63a5\u6aa2\u67e5\u5b50\u5b57\u7b26\u4e32\u7684\u547d\u4ee4\uff0c\u4f46\u6211\u5011\u53ef\u4ee5\u901a\u904e\u7d50\u5408 GET<\/code> \u548c\u5176\u4ed6\u7de8\u7a0b\u8a9e\u8a00\u7684\u5b57\u7b26\u4e32\u64cd\u4f5c\u4f86\u5be6\u73fe\u3002\u4f8b\u5982\uff0c\u5728 Python \u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u9019\u6a23\u505a\uff1a<\/p>\n
import redis\n\nr = redis.Redis()\nr.set('mykey', 'Hello, Redis!')\n\nvalue = r.get('mykey').decode('utf-8')\nif 'Redis' in value:\n    print(\"\u5b50\u5b57\u7b26\u4e32\u5b58\u5728\")\nelse:\n    print(\"\u5b50\u5b57\u7b26\u4e32\u4e0d\u5b58\u5728\")\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u64cd\u4f5c\u4f86\u67e5\u627e\u548c\u8655\u7406\u5b57\u7b26\u4e32\u4e2d\u7684\u503c\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u9700\u8981\u5feb\u901f\u6578\u64da\u5b58\u53d6\u7684\u61c9\u7528\u4e2d\u975e\u5e38\u6709\u7528\u3002\u901a\u904e\u4f7f\u7528 GET<\/code>\u3001SUBSTR<\/code> \u548c STRLEN<\/code> \u7b49\u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u64cd\u4f5c\u5b57\u7b26\u4e32\u6578\u64da\u3002\u7121\u8ad6\u662f\u5728\u7de9\u5b58\u9084\u662f\u6578\u64da\u5206\u6790\u4e2d\uff0cRedis \u90fd\u80fd\u63d0\u4f9b\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\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 \u5be6\u4f8b\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u9700\u6c42\u7684\u7528\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\u548c\u9ad8\u6548\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5982\u4f55\u4f7f\u7528 Redis \u67e5\u627e\u5b57\u7b26\u4e32\u4e2d\u7684\u503c\uff0c\u63d0\u5347\u6570\u636e\u68c0\u7d22\u6548\u7387\uff0c\u4f18\u5316\u5e94\u7528\u6027\u80fd\uff0c\u8f7b\u677e\u7ba1\u7406\u5927\u89c4\u6a21\u6570\u636e\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-98206","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98206","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=98206"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98206\/revisions"}],"predecessor-version":[{"id":98207,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98206\/revisions\/98207"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}