{"id":98594,"date":"2024-10-21T03:55:18","date_gmt":"2024-10-20T19:55:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98594\/"},"modified":"2024-10-21T03:55:19","modified_gmt":"2024-10-20T19:55:19","slug":"redis-%e7%9a%84%e8%ae%80%e5%af%ab%e5%8e%9f%e5%ad%90%e6%93%8d%e4%bd%9c%e4%bf%9d%e8%ad%89%e6%95%b8%e6%93%9a%e7%9a%84%e5%ae%8c%e6%95%b4%e6%80%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98594\/","title":{"rendered":"Redis \u7684\u8b80\u5beb\u539f\u5b50\u64cd\u4f5c\u4fdd\u8b49\u6578\u64da\u7684\u5b8c\u6574\u6027"},"content":{"rendered":"<h1 id=\"redis-%e7%9a%84%e8%ae%80%e5%af%ab%e5%8e%9f%e5%ad%90%e6%93%8d%e4%bd%9c%e4%bf%9d%e8%ad%89%e6%95%b8%e6%93%9a%e7%9a%84%e5%ae%8c%e6%95%b4%e6%80%a7-HODjxnTkxN\">Redis \u7684\u8b80\u5beb\u539f\u5b50\u64cd\u4f5c\u4fdd\u8b49\u6578\u64da\u7684\u5b8c\u6574\u6027<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6a5f\u5236\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u5176\u4e2d\u6700\u91cd\u8981\u7684\u5c31\u662f\u5176\u8b80\u5beb\u539f\u5b50\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7684\u539f\u5b50\u64cd\u4f5c\u5982\u4f55\u4fdd\u8b49\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u969b\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u4f86\u5e6b\u52a9\u7406\u89e3\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%8e%9f%e5%ad%90%e6%93%8d%e4%bd%9c%ef%bc%9f-HODjxnTkxN\">\u4ec0\u9ebc\u662f\u539f\u5b50\u64cd\u4f5c\uff1f<\/h2>\n<p>\u539f\u5b50\u64cd\u4f5c\u662f\u6307\u4e00\u500b\u64cd\u4f5c\u8981\u9ebc\u5b8c\u5168\u57f7\u884c\uff0c\u8981\u9ebc\u5b8c\u5168\u4e0d\u57f7\u884c\uff0c\u9019\u6a23\u7684\u7279\u6027\u78ba\u4fdd\u4e86\u5728\u591a\u7dda\u7a0b\u6216\u591a\u9032\u7a0b\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u4e0d\u6703\u56e0\u70ba\u4e26\u767c\u64cd\u4f5c\u800c\u51fa\u73fe\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u3002\u5728 Redis \u4e2d\uff0c\u6240\u6709\u7684\u5beb\u64cd\u4f5c\u90fd\u662f\u539f\u5b50\u6027\u7684\uff0c\u9019\u610f\u5473\u8457\u5728\u57f7\u884c\u5beb\u64cd\u4f5c\u6642\uff0c\u5176\u4ed6\u64cd\u4f5c\u7121\u6cd5\u5e72\u64fe\u9019\u4e00\u904e\u7a0b\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%8e%9f%e5%ad%90%e6%93%8d%e4%bd%9c%e6%a9%9f%e5%88%b6-HODjxnTkxN\">Redis \u7684\u539f\u5b50\u64cd\u4f5c\u6a5f\u5236<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u539f\u5b50\u64cd\u4f5c\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u4ee5\u4e0b\u662f\u5e7e\u500b\u95dc\u9375\u7684\u64cd\u4f5c\uff1a<\/p>\n<ul>\n<li><strong>SETNX<\/strong>\uff1a\u9019\u662f\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\uff0c\u7528\u65bc\u8a2d\u7f6e\u4e00\u500b\u9375\u7684\u503c\uff0c\u53ea\u6709\u7576\u8a72\u9375\u4e0d\u5b58\u5728\u6642\u624d\u6703\u6210\u529f\u3002\u9019\u5c0d\u65bc\u9632\u6b62\u91cd\u8907\u63d2\u5165\u6578\u64da\u975e\u5e38\u6709\u7528\u3002<\/li>\n<li><strong>INCR<\/strong>\uff1a\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u539f\u5b50\u6027\u5730\u5c07\u4e00\u500b\u9375\u7684\u6574\u6578\u503c\u589e\u52a0 1\uff0c\u7121\u8ad6\u6709\u591a\u5c11\u5ba2\u6236\u7aef\u540c\u6642\u57f7\u884c\u9019\u500b\u64cd\u4f5c\uff0c\u6700\u7d42\u7684\u7d50\u679c\u90fd\u662f\u6b63\u78ba\u7684\u3002<\/li>\n<li><strong>WATCH<\/strong>\uff1a\u9019\u662f\u4e00\u500b\u76e3\u8996\u6a5f\u5236\uff0c\u53ef\u4ee5\u5728\u57f7\u884c\u4e8b\u52d9\u4e4b\u524d\u76e3\u8996\u4e00\u500b\u6216\u591a\u500b\u9375\uff0c\u7576\u9019\u4e9b\u9375\u5728\u4e8b\u52d9\u57f7\u884c\u4e4b\u524d\u88ab\u4fee\u6539\u6642\uff0c\u4e8b\u52d9\u5c07\u6703\u5931\u6557\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e7%a4%ba%e4%be%8b-HODjxnTkxN\">\u5be6\u969b\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Redis \u539f\u5b50\u64cd\u4f5c\u7684\u7c21\u55ae\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 <code>SETNX<\/code> \u548c <code>INCR<\/code> \u547d\u4ee4\u4f86\u4fdd\u8b49\u6578\u64da\u7684\u5b8c\u6574\u6027\uff1a<\/p>\n<pre><code>redis-cli\n# \u4f7f\u7528 SETNX \u8a2d\u7f6e\u4e00\u500b\u9375\nSETNX user:1000:balance 100\n\n# \u5617\u8a66\u518d\u6b21\u8a2d\u7f6e\u540c\u4e00\u9375\uff0c\u9019\u5c07\u5931\u6557\nSETNX user:1000:balance 200  # \u8fd4\u56de 0\uff0c\u56e0\u70ba\u9375\u5df2\u5b58\u5728\n\n# \u4f7f\u7528 INCR \u589e\u52a0\u7528\u6236\u9918\u984d\nINCR user:1000:balance  # \u9918\u984d\u5c07\u589e\u52a0 1\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c<code>SETNX<\/code> \u78ba\u4fdd\u4e86\u7528\u6236\u9918\u984d\u53ea\u6703\u88ab\u8a2d\u7f6e\u4e00\u6b21\uff0c\u800c <code>INCR<\/code> \u5247\u78ba\u4fdd\u4e86\u5728\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u589e\u52a0\u9918\u984d\u6642\uff0c\u6700\u7d42\u7684\u7d50\u679c\u662f\u6b63\u78ba\u7684\u3002<\/p>\n<h2 id=\"%e4%ba%8b%e5%8b%99%e8%88%87%e5%8e%9f%e5%ad%90%e6%80%a7-HODjxnTkxN\">\u4e8b\u52d9\u8207\u539f\u5b50\u6027<\/h2>\n<p>Redis \u7684\u4e8b\u52d9\u6a5f\u5236\u4e5f\u8207\u539f\u5b50\u64cd\u4f5c\u5bc6\u5207\u76f8\u95dc\u3002\u4f7f\u7528 <code>MULTI<\/code> \u548c <code>EXEC<\/code> \u547d\u4ee4\uff0c\u53ef\u4ee5\u5c07\u591a\u500b\u64cd\u4f5c\u6253\u5305\u6210\u4e00\u500b\u4e8b\u52d9\uff0c\u9019\u6a23\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\u3002\u9019\u9032\u4e00\u6b65\u589e\u5f37\u4e86\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<pre><code>redis-cli\nMULTI\nSET user:1000:balance 100\nINCR user:1000:balance\nEXEC\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6240\u6709\u7684\u64cd\u4f5c\u90fd\u6703\u88ab\u8996\u70ba\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\uff0c\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-HODjxnTkxN\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u539f\u5b50\u64cd\u4f5c\u6a5f\u5236\u70ba\u6578\u64da\u7684\u5b8c\u6574\u6027\u63d0\u4f9b\u4e86\u5f37\u6709\u529b\u7684\u4fdd\u969c\u3002\u901a\u904e\u4f7f\u7528\u539f\u5b50\u6027\u547d\u4ee4\u548c\u4e8b\u52d9\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u4e26\u767c\u64cd\u4f5c\uff0c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002\u9019\u4f7f\u5f97 Redis \u6210\u70ba\u9ad8\u6027\u80fd\u61c9\u7528\u7a0b\u5e8f\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u4f7f\u7528 Redis \u9032\u884c\u6578\u64da\u7ba1\u7406\u6709\u8208\u8da3\uff0c\u6216\u8005\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u7684\u8b80\u5beb\u539f\u5b50\u64cd\u4f5c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\uff0c\u907f\u514d\u7af6\u722d\u689d\u4ef6\uff0c\u63d0\u5347\u6027\u80fd\u8207\u53ef\u9760\u6027\uff0c\u9069\u5408\u9ad8\u4e26\u767c\u61c9\u7528\u5834\u666f\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-98594","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98594","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=98594"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98594\/revisions"}],"predecessor-version":[{"id":98595,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98594\/revisions\/98595"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98594"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}