{"id":105860,"date":"2024-10-23T13:40:30","date_gmt":"2024-10-23T05:40:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/105860\/"},"modified":"2024-10-23T13:40:31","modified_gmt":"2024-10-23T05:40:31","slug":"redis-%e9%81%8e%e6%9c%9f%e7%94%a8%e5%a4%9a%e7%b7%9a%e7%a8%8b%e4%bf%9d%e8%ad%b7%e6%95%b8%e6%93%9a%e5%ae%89%e5%85%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/105860\/","title":{"rendered":"Redis \u904e\u671f\u7528\u591a\u7dda\u7a0b\u4fdd\u8b77\u6578\u64da\u5b89\u5168"},"content":{"rendered":"<h1 id=\"redis-%e9%81%8e%e6%9c%9f%e7%94%a8%e5%a4%9a%e7%b7%9a%e7%a8%8b%e4%bf%9d%e8%ad%b7%e6%95%b8%e6%93%9a%e5%ae%89%e5%85%a8-jlPNLbWEiz\">Redis \u904e\u671f\u7528\u591a\u7dda\u7a0b\u4fdd\u8b77\u6578\u64da\u5b89\u5168<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u53ef\u7528\u6027\u81f3\u95dc\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u4e2d\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u7ba1\u7406\u904e\u671f\u6578\u64da\u4e26\u4fdd\u8b77\u6578\u64da\u5b89\u5168\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u7684\u904e\u671f\u6a5f\u5236\u53ca\u5176\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e0b\u7684\u6578\u64da\u5b89\u5168\u4fdd\u8b77\u7b56\u7565\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%81%8e%e6%9c%9f%e6%a9%9f%e5%88%b6-jlPNLbWEiz\">Redis \u7684\u904e\u671f\u6a5f\u5236<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u5c0d\u9375\u7684\u904e\u671f\u7ba1\u7406\u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u8a2d\u7f6e\u9375\u7684\u751f\u5b58\u6642\u9593\uff08TTL\uff09\u3002\u7576\u4e00\u500b\u9375\u7684 TTL \u5230\u671f\u5f8c\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u4e00\u6a5f\u5236\u5c0d\u65bc\u7de9\u5b58\u6578\u64da\u7279\u5225\u6709\u7528\uff0c\u56e0\u70ba\u5b83\u80fd\u5920\u81ea\u52d5\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u5f9e\u800c\u91cb\u653e\u5167\u5b58\u8cc7\u6e90\u3002<\/p>\n<p>Redis \u7684\u904e\u671f\u6a5f\u5236\u4e3b\u8981\u6709\u5169\u7a2e\u65b9\u5f0f\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u522a\u9664\uff1a<\/strong>Redis \u6bcf\u9694\u4e00\u6bb5\u6642\u9593\u6703\u96a8\u6a5f\u6aa2\u67e5\u4e00\u90e8\u5206\u9375\uff0c\u522a\u9664\u904e\u671f\u7684\u9375\u3002<\/li>\n<li><strong>\u60f0\u6027\u522a\u9664\uff1a<\/strong>\u7576\u7528\u6236\u8a2a\u554f\u4e00\u500b\u9375\u6642\uff0cRedis \u6703\u6aa2\u67e5\u8a72\u9375\u662f\u5426\u904e\u671f\uff0c\u5982\u679c\u904e\u671f\u5247\u522a\u9664\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e7%92%b0%e5%a2%83%e4%b8%8b%e7%9a%84%e6%95%b8%e6%93%9a%e5%ae%89%e5%85%a8%e6%8c%91%e6%88%b0-jlPNLbWEiz\">\u591a\u7dda\u7a0b\u74b0\u5883\u4e0b\u7684\u6578\u64da\u5b89\u5168\u6311\u6230<\/h2>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u7684\u5b89\u5168\u6027\u9762\u81e8\u8457\u66f4\u5927\u7684\u6311\u6230\u3002\u591a\u500b\u7dda\u7a0b\u540c\u6642\u8a2a\u554f\u548c\u4fee\u6539 Redis \u4e2d\u7684\u6578\u64da\uff0c\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u7af6\u722d\u689d\u4ef6\u7684\u767c\u751f\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u904e\u671f\u6578\u64da\u6642\uff0c\u82e5\u4e00\u500b\u7dda\u7a0b\u5728\u522a\u9664\u904e\u671f\u9375\u7684\u540c\u6642\uff0c\u53e6\u4e00\u500b\u7dda\u7a0b\u537b\u8a66\u5716\u8a2a\u554f\u8a72\u9375\uff0c\u5c07\u53ef\u80fd\u5c0e\u81f4\u932f\u8aa4\u7684\u6578\u64da\u8b80\u53d6\u6216\u5beb\u5165\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e9%8e%96%e6%a9%9f%e5%88%b6%e4%bf%9d%e8%ad%b7%e6%95%b8%e6%93%9a%e5%ae%89%e5%85%a8-jlPNLbWEiz\">\u4f7f\u7528\u9396\u6a5f\u5236\u4fdd\u8b77\u6578\u64da\u5b89\u5168<\/h2>\n<p>\u70ba\u4e86\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u4fdd\u8b77\u6578\u64da\u5b89\u5168\uff0c\u53ef\u4ee5\u4f7f\u7528\u9396\u6a5f\u5236\u4f86\u63a7\u5236\u5c0d Redis \u7684\u8a2a\u554f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u7684\u5206\u5e03\u5f0f\u9396\u4f86\u4fdd\u8b77\u904e\u671f\u6578\u64da\uff1a<\/p>\n<pre><code>\n# \u7372\u53d6\u9396\nSET lock_key \"lock_value\" NX EX 5\n\n# \u5982\u679c\u7372\u53d6\u9396\u6210\u529f\uff0c\u57f7\u884c\u904e\u671f\u6aa2\u67e5\nif (\u7372\u53d6\u9396\u6210\u529f) {\n    # \u6aa2\u67e5\u9375\u662f\u5426\u904e\u671f\n    if (\u9375\u904e\u671f) {\n        DEL key\n    }\n    # \u91cb\u653e\u9396\n    DEL lock_key\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528\u4e86 Redis \u7684 SET \u547d\u4ee4\u4f86\u7372\u53d6\u9396\uff0c\u4e26\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u57f7\u884c\u904e\u671f\u6aa2\u67e5\u548c\u522a\u9664\u64cd\u4f5c\u6642\uff0c\u4e0d\u6703\u6709\u5176\u4ed6\u7dda\u7a0b\u540c\u6642\u8a2a\u554f\u8a72\u9375\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e4%ba%8b%e5%8b%99%e7%a2%ba%e4%bf%9d%e6%95%b8%e6%93%9a%e4%b8%80%e8%87%b4%e6%80%a7-jlPNLbWEiz\">\u4f7f\u7528\u4e8b\u52d9\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027<\/h2>\n<p>\u9664\u4e86\u9396\u6a5f\u5236\uff0cRedis \u9084\u652f\u6301\u4e8b\u52d9\u64cd\u4f5c\uff0c\u53ef\u4ee5\u901a\u904e MULTI \u548c EXEC \u547d\u4ee4\u4f86\u78ba\u4fdd\u4e00\u7d44\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002\u9019\u5c0d\u65bc\u9700\u8981\u540c\u6642\u6aa2\u67e5\u548c\u522a\u9664\u904e\u671f\u9375\u7684\u5834\u666f\u7279\u5225\u6709\u7528\uff1a<\/p>\n<pre><code>\nMULTI\n# \u6aa2\u67e5\u9375\u662f\u5426\u5b58\u5728\nEXISTS key\n# \u5982\u679c\u5b58\u5728\uff0c\u5247\u522a\u9664\nDEL key\nEXEC\n<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u6aa2\u67e5\u548c\u522a\u9664\u904e\u7a0b\u4e2d\uff0c\u4e0d\u6703\u6709\u5176\u4ed6\u64cd\u4f5c\u5e72\u64fe\uff0c\u5f9e\u800c\u4fdd\u8b77\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-jlPNLbWEiz\">\u7d50\u8ad6<\/h2>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0cRedis \u7684\u904e\u671f\u6a5f\u5236\u96d6\u7136\u63d0\u4f9b\u4e86\u4fbf\u5229\uff0c\u4f46\u540c\u6642\u4e5f\u5e36\u4f86\u4e86\u6578\u64da\u5b89\u5168\u7684\u6311\u6230\u3002\u901a\u904e\u4f7f\u7528\u9396\u6a5f\u5236\u548c\u4e8b\u52d9\u64cd\u4f5c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fdd\u8b77\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u4e00\u81f4\u6027\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u5c0d\u65bc\u6578\u64da\u5b89\u5168\u7684\u9700\u6c42\u5c07\u6703\u8d8a\u4f86\u8d8a\u9ad8\uff0c\u5408\u7406\u5229\u7528 Redis \u7684\u7279\u6027\u5c07\u662f\u672a\u4f86\u6578\u64da\u7ba1\u7406\u7684\u91cd\u8981\u65b9\u5411\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c\u6578\u64da\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u904e\u671f\u7528\u591a\u7dda\u7a0b\u4fdd\u8b77\u6578\u64da\u5b89\u5168\uff0c\u78ba\u4fdd\u6578\u64da\u5728\u904e\u671f\u904e\u7a0b\u4e2d\u4e0d\u88ab\u610f\u5916\u522a\u9664\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u53ef\u9760\u6027\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-105860","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/105860","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=105860"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/105860\/revisions"}],"predecessor-version":[{"id":105861,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/105860\/revisions\/105861"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=105860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=105860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=105860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}