{"id":167541,"date":"2024-11-06T01:31:18","date_gmt":"2024-11-05T17:31:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167541\/"},"modified":"2024-11-06T01:31:19","modified_gmt":"2024-11-05T17:31:19","slug":"%e5%88%a9%e7%94%a8redis%e8%a7%a3%e6%b1%ba%e7%b3%bb%e7%b5%b1%e6%80%a7%e8%83%bd%e5%95%8f%e9%a1%8c%ef%bc%88redis-%e9%87%8d%e9%bb%9e%e5%95%8f%e9%a1%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167541\/","title":{"rendered":"\u5229\u7528Redis\u89e3\u6c7a\u7cfb\u7d71\u6027\u80fd\u554f\u984c\uff08redis \u91cd\u9ede\u554f\u984c\uff09"},"content":{"rendered":"

\u5229\u7528Redis\u89e3\u6c7a\u7cfb\u7d71\u6027\u80fd\u554f\u984c\uff08Redis\u91cd\u9ede\u554f\u984c\uff09<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u7cfb\u7d71\u6027\u80fd\u7684\u512a\u5316\u6210\u70ba\u4e86\u4f01\u696d\u6210\u529f\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002\u96a8\u8457\u7528\u6236\u9700\u6c42\u7684\u589e\u52a0\u548c\u6578\u64da\u91cf\u7684\u6fc0\u589e\uff0c\u50b3\u7d71\u7684\u6578\u64da\u5b58\u5132\u548c\u8655\u7406\u65b9\u5f0f\u5f80\u5f80\u7121\u6cd5\u6eff\u8db3\u9ad8\u6548\u80fd\u7684\u8981\u6c42\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0c\u6210\u70ba\u4e86\u89e3\u6c7a\u7cfb\u7d71\u6027\u80fd\u554f\u984c\u7684\u91cd\u8981\u5de5\u5177\u3002<\/p>\n

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

Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\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\u7b49\u3002\u5b83\u7684\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u9019\u4f7f\u5f97\u8b80\u53d6\u548c\u5beb\u5165\u64cd\u4f5c\u7684\u901f\u5ea6\u6975\u5feb\uff0c\u901a\u5e38\u5728\u6beb\u79d2\u7d1a\u5225\u3002Redis\u9084\u652f\u6301\u6301\u4e45\u5316\u529f\u80fd\uff0c\u53ef\u4ee5\u5c07\u6578\u64da\u5feb\u7167\u4fdd\u5b58\u5230\u78c1\u789f\u4e2d\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u3002<\/p>\n

Redis\u89e3\u6c7a\u6027\u80fd\u554f\u984c\u7684\u65b9\u5f0f<\/h2>\n

1. \u5feb\u901f\u6578\u64da\u5b58\u53d6<\/h3>\n

Redis\u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5176\u5728\u6578\u64da\u5b58\u53d6\u4e0a\u5177\u6709\u6975\u9ad8\u7684\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u983b\u7e41\u8b80\u53d6\u7684\u6578\u64da\uff0c\u5c07\u5176\u5b58\u5132\u5728Redis\u4e2d\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5ef6\u9072\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u4e2d\uff0c\u5546\u54c1\u4fe1\u606f\u7684\u67e5\u8a62\u983b\u7387\u975e\u5e38\u9ad8\uff0c\u4f7f\u7528Redis\u4f86\u7de9\u5b58\u9019\u4e9b\u4fe1\u606f\u53ef\u4ee5\u5927\u5e45\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n

SET product:1001 \"iPhone 13\"\nGET product:1001\n<\/code><\/pre>\n
2. \u6578\u64da\u7de9\u5b58<\/h3>\n
\u4f7f\u7528Redis\u4f5c\u70ba\u7de9\u5b58\u5c64\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u3002\u7576\u7528\u6236\u8acb\u6c42\u6578\u64da\u6642\uff0c\u7cfb\u7d71\u9996\u5148\u67e5\u8a62Redis\uff0c\u5982\u679c\u6578\u64da\u5b58\u5728\u5247\u76f4\u63a5\u8fd4\u56de\uff0c\u5426\u5247\u518d\u67e5\u8a62\u5f8c\u7aef\u6578\u64da\u5eab\u4e26\u5c07\u7d50\u679c\u7de9\u5b58\u5230Redis\u4e2d\u3002\u9019\u7a2e\u65b9\u5f0f\u4e0d\u50c5\u63d0\u9ad8\u4e86\u97ff\u61c9\u901f\u5ea6\uff0c\u9084\u6e1b\u5c11\u4e86\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6b21\u6578\u3002<\/p>\n
if (redis.exists(\"user:1001\")) {\n    return redis.get(\"user:1001\");\n} else {\n    user = db.query(\"SELECT * FROM users WHERE id = 1001\");\n    redis.set(\"user:1001\", user);\n    return user;\n}\n<\/code><\/pre>\n
3. \u5be6\u6642\u6578\u64da\u8655\u7406<\/h3>\n
Redis\u652f\u6301\u767c\u5e03\/\u8a02\u95b1\u6a21\u5f0f\uff0c\u9019\u4f7f\u5f97\u5b83\u975e\u5e38\u9069\u5408\u7528\u65bc\u5be6\u6642\u6578\u64da\u8655\u7406\u3002\u4f8b\u5982\uff0c\u5728\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u4e2d\uff0c\u7576\u7528\u6236\u767c\u4f48\u65b0\u6d88\u606f\u6642\uff0c\u7cfb\u7d71\u53ef\u4ee5\u7acb\u5373\u5c07\u8a72\u6d88\u606f\u63a8\u9001\u7d66\u6240\u6709\u8a02\u95b1\u8005\uff0c\u5be6\u73fe\u5373\u6642\u66f4\u65b0\u3002<\/p>\n
SUBSCRIBE channel:news\nPUBLISH channel:news \"New article published!\"\n<\/code><\/pre>\n
4. \u5206\u4f48\u5f0f\u9396<\/h3>\n
\u5728\u591a\u500b\u5be6\u4f8b\u540c\u6642\u8a2a\u554f\u5171\u4eab\u8cc7\u6e90\u7684\u60c5\u6cc1\u4e0b\uff0cRedis\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\uff0c\u9632\u6b62\u6578\u64da\u7af6\u722d\u554f\u984c\u3002\u9019\u5c0d\u65bc\u9700\u8981\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u7684\u61c9\u7528\u5834\u666f\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n
SETNX lock:resource \"locked\"\nEXPIRE lock:resource 30\n<\/code><\/pre>\n
Redis\u7684\u6311\u6230\u8207\u6ce8\u610f\u4e8b\u9805<\/h2>\n
\u5118\u7ba1Redis\u5728\u6027\u80fd\u512a\u5316\u65b9\u9762\u5177\u6709\u986f\u8457\u512a\u52e2\uff0c\u4f46\u5728\u4f7f\u7528\u904e\u7a0b\u4e2d\u4e5f\u9700\u8981\u6ce8\u610f\u4e00\u4e9b\u6311\u6230\u3002\u9996\u5148\uff0c\u7531\u65bcRedis\u5c07\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u7576\u6578\u64da\u91cf\u904e\u5927\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u5167\u5b58\u4e0d\u8db3\u7684\u554f\u984c\u3002\u5176\u6b21\uff0cRedis\u7684\u6301\u4e45\u5316\u6a5f\u5236\u96d6\u7136\u53ef\u4ee5\u4fdd\u8b49\u6578\u64da\u5b89\u5168\uff0c\u4f46\u5728\u9ad8\u983b\u5beb\u5165\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5728\u8a2d\u8a08\u7cfb\u7d71\u67b6\u69cb\u6642\uff0c\u9700\u8981\u6839\u64da\u5be6\u969b\u9700\u6c42\u5408\u7406\u914d\u7f6eRedis\u7684\u4f7f\u7528\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u80fd\u5920\u6709\u6548\u89e3\u6c7a\u7cfb\u7d71\u6027\u80fd\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u5b58\u53d6\u3001\u7de9\u5b58\u3001\u5be6\u6642\u8655\u7406\u548c\u5206\u4f48\u5f0f\u9396\u7b49\u65b9\u9762\u5c55\u73fe\u51fa\u5176\u512a\u8d8a\u6027\u3002\u5c0d\u65bc\u5e0c\u671b\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u5408\u7406\u5229\u7528Redis\u5c07\u662f\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u548c\u7cfb\u7d71\u7a69\u5b9a\u6027\u7684\u6709\u6548\u9014\u5f91\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72Redis\uff0c\u5c07\u6709\u52a9\u65bc\u9032\u4e00\u6b65\u63d0\u5347\u60a8\u7684\u7cfb\u7d71\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u89e3\u6c7a\u7cfb\u7d71\u6027\u80fd\u554f\u984c\uff0c\u6df1\u5165\u5206\u6790Redis\u7684\u95dc\u9375\u7279\u6027\u53ca\u5176\u5728\u63d0\u5347\u6548\u7387\u4e2d\u7684\u61c9\u7528\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-167541","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167541","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=167541"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167541\/revisions"}],"predecessor-version":[{"id":167542,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167541\/revisions\/167542"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167541"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167541"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}