{"id":128033,"date":"2024-10-26T11:10:25","date_gmt":"2024-10-26T03:10:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128033\/"},"modified":"2024-10-26T11:10:26","modified_gmt":"2024-10-26T03:10:26","slug":"redis-%e4%b8%89%e6%a8%a1%e5%bc%8f%e4%b8%ad%e7%9a%84%e9%9d%a9%e6%96%b0%e5%be%9e%e5%ad%98%e5%84%b2%e5%88%b0%e8%a8%88%e7%ae%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128033\/","title":{"rendered":"Redis \u4e09\u6a21\u5f0f\u4e2d\u7684\u9769\u65b0\u5f9e\u5b58\u5132\u5230\u8a08\u7b97"},"content":{"rendered":"

Redis \u4e09\u6a21\u5f0f\u4e2d\u7684\u9769\u65b0\u5f9e\u5b58\u5132\u5230\u8a08\u7b97<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5df2\u7d93\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u6838\u5fc3\u7d44\u4ef6\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0cRedis \u4e0d\u50c5\u50c5\u662f\u4e00\u500b\u7c21\u55ae\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u5b83\u7684\u4e09\u7a2e\u6a21\u5f0f\u2014\u2014\u5b58\u5132\u6a21\u5f0f\u3001\u8a08\u7b97\u6a21\u5f0f\u548c\u6df7\u5408\u6a21\u5f0f\uff0c\u6b63\u5728\u91cd\u65b0\u5b9a\u7fa9\u6578\u64da\u8655\u7406\u7684\u65b9\u5f0f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u4e09\u7a2e\u6a21\u5f0f\u7684\u9769\u65b0\uff0c\u4e26\u5206\u6790\u5b83\u5011\u5982\u4f55\u5f71\u97ff\u73fe\u4ee3\u61c9\u7528\u7684\u67b6\u69cb\u3002<\/p>\n

\u5b58\u5132\u6a21\u5f0f<\/h2>\n

Redis \u7684\u5b58\u5132\u6a21\u5f0f\u662f\u5176\u6700\u57fa\u672c\u7684\u529f\u80fd\uff0c\u4e3b\u8981\u7528\u65bc\u5feb\u901f\u5b58\u53d6\u6578\u64da\u3002\u4f5c\u70ba\u4e00\u500b\u9375\u503c\u6578\u64da\u5eab\uff0cRedis \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\u5f97 Redis \u80fd\u5920\u9748\u6d3b\u5730\u8655\u7406\u5404\u7a2e\u6578\u64da\u985e\u578b\u3002<\/p>\n

\u4f8b\u5982\uff0c\u4f7f\u7528 Redis \u5b58\u5132\u7528\u6236\u6703\u8a71\u4fe1\u606f\uff0c\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u4ee3\u78bc\u5be6\u73fe\uff1a<\/p>\n

SET session:user123 \"user_data\"<\/code><\/pre>\n
\u9019\u7a2e\u5b58\u5132\u65b9\u5f0f\u7684\u512a\u52e2\u5728\u65bc\u5176\u9ad8\u6548\u7684\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\uff0c\u7279\u5225\u9069\u5408\u9700\u8981\u5feb\u901f\u97ff\u61c9\u7684\u61c9\u7528\u5834\u666f\uff0c\u5982\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u548c\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u3002<\/p>\n
\u8a08\u7b97\u6a21\u5f0f<\/h2>\n
\u96a8\u8457\u8a08\u7b97\u9700\u6c42\u7684\u589e\u52a0\uff0cRedis \u958b\u59cb\u5f15\u5165\u8a08\u7b97\u6a21\u5f0f\uff0c\u9019\u4f7f\u5f97\u7528\u6236\u53ef\u4ee5\u5728\u6578\u64da\u5b58\u5132\u7684\u540c\u6642\u9032\u884c\u8a08\u7b97\u3002\u9019\u4e00\u6a21\u5f0f\u7684\u6838\u5fc3\u5728\u65bc Redis \u7684 Lua \u8173\u672c\u652f\u6301\uff0c\u5141\u8a31\u7528\u6236\u5728\u670d\u52d9\u5668\u7aef\u57f7\u884c\u8a08\u7b97\uff0c\u5f9e\u800c\u6e1b\u5c11\u4e86\u7db2\u7d61\u5ef6\u9072\u3002<\/p>\n
\u4f8b\u5982\uff0c\u4f7f\u7528 Lua \u8173\u672c\u8a08\u7b97\u7528\u6236\u7684\u8cfc\u7269\u8eca\u7e3d\u50f9\uff0c\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u4ee3\u78bc\u5be6\u73fe\uff1a<\/p>\n
EVAL \"return redis.call('HGET', KEYS[1], 'price') * ARGV[1]\" 1 cart:user123 2<\/code><\/pre>\n
\u9019\u7a2e\u8a08\u7b97\u6a21\u5f0f\u7684\u5f15\u5165\uff0c\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u8655\u7406\u7684\u6548\u7387\uff0c\u9084\u6e1b\u5c11\u4e86\u5ba2\u6236\u7aef\u548c\u670d\u52d9\u5668\u4e4b\u9593\u7684\u6578\u64da\u50b3\u8f38\uff0c\u5f9e\u800c\u63d0\u5347\u4e86\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n
\u6df7\u5408\u6a21\u5f0f<\/h2>\n
\u6df7\u5408\u6a21\u5f0f\u662f Redis \u7684\u4e00\u500b\u5275\u65b0\uff0c\u7d50\u5408\u4e86\u5b58\u5132\u548c\u8a08\u7b97\u7684\u512a\u52e2\u3002\u9019\u4e00\u6a21\u5f0f\u5141\u8a31\u7528\u6236\u5728\u540c\u4e00\u500b\u64cd\u4f5c\u4e2d\u540c\u6642\u9032\u884c\u6578\u64da\u5b58\u5132\u548c\u8a08\u7b97\uff0c\u9032\u4e00\u6b65\u63d0\u9ad8\u4e86\u6548\u7387\u3002<\/p>\n
\u4f8b\u5982\uff0c\u7576\u7528\u6236\u6dfb\u52a0\u5546\u54c1\u5230\u8cfc\u7269\u8eca\u6642\uff0c\u53ef\u4ee5\u540c\u6642\u66f4\u65b0\u5eab\u5b58\u6578\u91cf\u548c\u8a08\u7b97\u7e3d\u50f9\uff1a<\/p>\n
MULTI\nHINCRBY stock:item123 -1\nHINCRBY cart:user123 total_price 20\nEXEC<\/code><\/pre>\n
\u9019\u7a2e\u65b9\u5f0f\u4e0d\u50c5\u7c21\u5316\u4e86\u64cd\u4f5c\u6d41\u7a0b\uff0c\u9084\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u80fd\u5920\u6709\u6548\u907f\u514d\u6578\u64da\u7af6\u722d\u554f\u984c\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
Redis \u7684\u4e09\u7a2e\u6a21\u5f0f\u2014\u2014\u5b58\u5132\u6a21\u5f0f\u3001\u8a08\u7b97\u6a21\u5f0f\u548c\u6df7\u5408\u6a21\u5f0f\uff0c\u70ba\u73fe\u4ee3\u61c9\u7528\u63d0\u4f9b\u4e86\u9748\u6d3b\u800c\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u89e3\u6c7a\u65b9\u6848\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u9019\u4e9b\u6a21\u5f0f\u7684\u61c9\u7528\u5c07\u6703\u8d8a\u4f86\u8d8a\u5ee3\u6cdb\uff0c\u4e26\u4e14\u5c07\u5728\u672a\u4f86\u7684\u6578\u64da\u67b6\u69cb\u4e2d\u626e\u6f14\u91cd\u8981\u89d2\u8272\u3002\u5c0d\u65bc\u5e0c\u671b\u63d0\u5347\u6027\u80fd\u548c\u6548\u7387\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u6df1\u5165\u7406\u89e3\u9019\u4e9b\u6a21\u5f0f\u5c07\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\u652f\u6301\u60a8\u7684 Redis \u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u5be6\u73fe\u6700\u4f73\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Redis\u4e09\u6a21\u5f0f\u4e2d\u7684\u9769\u65b0\uff0c\u5f9e\u5b58\u5132\u5230\u8a08\u7b97\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u5be6\u73fe\u66f4\u5feb\u7684\u61c9\u7528\u6027\u80fd\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-128033","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128033","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=128033"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128033\/revisions"}],"predecessor-version":[{"id":128034,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128033\/revisions\/128034"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128033"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128033"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}