{"id":125047,"date":"2024-10-25T19:22:21","date_gmt":"2024-10-25T11:22:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/125047\/"},"modified":"2024-10-25T19:22:21","modified_gmt":"2024-10-25T11:22:21","slug":"redis-%e9%8d%b5%e5%80%bc%e9%87%8d%e8%a4%87%e9%a0%90%e9%98%b2%e8%88%87%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/125047\/","title":{"rendered":"Redis \u9375\u503c\u91cd\u8907\u9810\u9632\u8207\u89e3\u6c7a\u65b9\u6848"},"content":{"rendered":"<h1 id=\"redis-%e9%8d%b5%e5%80%bc%e9%87%8d%e8%a4%87%e9%a0%90%e9%98%b2%e8%88%87%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-JQHDEXUcVZ\">Redis \u9375\u503c\u91cd\u8907\u9810\u9632\u8207\u89e3\u6c7a\u65b9\u6848<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u3002\u7136\u800c\uff0c\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u589e\u9577\uff0c\u9375\u503c\u91cd\u8907\u7684\u554f\u984c\u4e5f\u9010\u6f38\u6d6e\u73fe\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u9375\u503c\u91cd\u8907\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8d%b5%e5%80%bc%e9%87%8d%e8%a4%87%e7%9a%84%e5%8e%9f%e5%9b%a0-JQHDEXUcVZ\">\u9375\u503c\u91cd\u8907\u7684\u539f\u56e0<\/h2>\n<p>\u9375\u503c\u91cd\u8907\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u5beb\u5165\uff1a<\/strong>\u7576\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u5c0d\u540c\u4e00\u9375\u9032\u884c\u5beb\u5165\u64cd\u4f5c\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u3002<\/li>\n<li><strong>\u61c9\u7528\u908f\u8f2f\u932f\u8aa4\uff1a<\/strong>\u5982\u679c\u61c9\u7528\u7a0b\u5e8f\u7684\u908f\u8f2f\u672a\u80fd\u6b63\u78ba\u8655\u7406\u9375\u7684\u751f\u6210\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u91cd\u8907\u9375\u7684\u51fa\u73fe\u3002<\/li>\n<li><strong>\u6578\u64da\u9077\u79fb\u6216\u5c0e\u5165\uff1a<\/strong>\u5728\u6578\u64da\u9077\u79fb\u6216\u6279\u91cf\u5c0e\u5165\u904e\u7a0b\u4e2d\uff0c\u82e5\u672a\u9032\u884c\u91cd\u8907\u6aa2\u67e5\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u91cd\u8907\u9375\u7684\u751f\u6210\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%a0%90%e9%98%b2%e9%87%8d%e8%a4%87%e9%8d%b5%e7%9a%84%e7%ad%96%e7%95%a5-JQHDEXUcVZ\">\u9810\u9632\u91cd\u8907\u9375\u7684\u7b56\u7565<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u9810\u9632\u9375\u503c\u91cd\u8907\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%94%af%e4%b8%80%e6%a8%99%e8%ad%98%e7%ac%a6-JQHDEXUcVZ\">1. \u4f7f\u7528\u552f\u4e00\u6a19\u8b58\u7b26<\/h3>\n<p>\u5728\u751f\u6210\u9375\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528 UUID\uff08\u901a\u7528\u552f\u4e00\u8b58\u5225\u78bc\uff09\u6216\u5176\u4ed6\u552f\u4e00\u6a19\u8b58\u7b26\u4f86\u78ba\u4fdd\u9375\u7684\u552f\u4e00\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SET \"user:12345\" \"John Doe\"\nSET \"user:UUID()\" \"Jane Doe\"<\/code><\/pre>\n<h3 id=\"2-%e9%8e%96%e5%ae%9a%e6%a9%9f%e5%88%b6-JQHDEXUcVZ\">2. \u9396\u5b9a\u6a5f\u5236<\/h3>\n<p>\u5728\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u5beb\u5165\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u9396\u5b9a\u6a5f\u5236\u4f86\u9632\u6b62\u91cd\u8907\u5beb\u5165\u3002\u53ef\u4ee5\u4f7f\u7528 <code>SETNX<\/code> \u547d\u4ee4\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>SETNX \"lock:user:12345\" \"1\"\nSET \"user:12345\" \"John Doe\"<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e9%8d%b5%e6%98%af%e5%90%a6%e5%ad%98%e5%9c%a8-JQHDEXUcVZ\">3. \u6aa2\u67e5\u9375\u662f\u5426\u5b58\u5728<\/h3>\n<p>\u5728\u5beb\u5165\u6578\u64da\u4e4b\u524d\uff0c\u5148\u6aa2\u67e5\u9375\u662f\u5426\u5df2\u5b58\u5728\u3002\u5982\u679c\u5b58\u5728\uff0c\u5247\u53ef\u4ee5\u9078\u64c7\u66f4\u65b0\u6216\u5ffd\u7565\u64cd\u4f5c\uff1a<\/p>\n<pre><code>IF NOT EXISTS \"user:12345\" THEN\n    SET \"user:12345\" \"John Doe\"\nEND IF<\/code><\/pre>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e9%87%8d%e8%a4%87%e9%8d%b5%e7%9a%84%e6%96%b9%e6%a1%88-JQHDEXUcVZ\">\u89e3\u6c7a\u91cd\u8907\u9375\u7684\u65b9\u6848<\/h2>\n<p>\u5982\u679c\u5df2\u7d93\u51fa\u73fe\u4e86\u91cd\u8907\u9375\uff0c\u5247\u9700\u8981\u63a1\u53d6\u63aa\u65bd\u4f86\u89e3\u6c7a\u9019\u4e00\u554f\u984c\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e6%b8%85%e7%90%86-JQHDEXUcVZ\">1. \u6578\u64da\u6e05\u7406<\/h3>\n<p>\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u91cd\u8907\u7684\u9375\u503c\u662f\u5fc5\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528 Redis \u7684 <code>SCAN<\/code> \u547d\u4ee4\u4f86\u904d\u6b77\u6240\u6709\u9375\uff0c\u4e26\u6aa2\u67e5\u91cd\u8907\u9805\uff1a<\/p>\n<pre><code>SCAN 0 MATCH \"user:*\" COUNT 100<\/code><\/pre>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e5%90%88%e4%bd%b5-JQHDEXUcVZ\">2. \u6578\u64da\u5408\u4f75<\/h3>\n<p>\u5c0d\u65bc\u91cd\u8907\u7684\u9375\uff0c\u53ef\u4ee5\u8003\u616e\u5408\u4f75\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6709\u591a\u500b\u7528\u6236\u8cc7\u6599\u91cd\u8907\uff0c\u53ef\u4ee5\u5c07\u5176\u5408\u4f75\u70ba\u4e00\u500b\u9375\uff0c\u4e26\u66f4\u65b0\u5176\u503c\uff1a<\/p>\n<pre><code>HSET \"user:12345\" \"name\" \"John Doe\" \"age\" 30<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e7%89%88%e6%9c%ac%e6%8e%a7%e5%88%b6-JQHDEXUcVZ\">3. \u4f7f\u7528\u7248\u672c\u63a7\u5236<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u70ba\u6bcf\u500b\u9375\u6dfb\u52a0\u7248\u672c\u865f\uff0c\u4ee5\u4fbf\u5728\u91cd\u8907\u6642\u80fd\u5920\u4fdd\u7559\u6b77\u53f2\u6578\u64da\uff1a<\/p>\n<pre><code>SET \"user:12345:v1\" \"John Doe\"\nSET \"user:12345:v2\" \"Jane Doe\"<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JQHDEXUcVZ\">\u7e3d\u7d50<\/h2>\n<p>Redis \u9375\u503c\u91cd\u8907\u554f\u984c\u7684\u9810\u9632\u548c\u89e3\u6c7a\u65b9\u6848\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u7684\u95dc\u9375\u3002\u901a\u904e\u4f7f\u7528\u552f\u4e00\u6a19\u8b58\u7b26\u3001\u9396\u5b9a\u6a5f\u5236\u548c\u5b9a\u671f\u6578\u64da\u6e05\u7406\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u91cd\u8907\u9375\u7684\u51fa\u73fe\u3002\u5c0d\u65bc\u5df2\u7d93\u5b58\u5728\u7684\u91cd\u8907\u9375\uff0c\u5247\u9700\u8981\u9032\u884c\u6578\u64da\u5408\u4f75\u548c\u7248\u672c\u63a7\u5236\u7b49\u63aa\u65bd\u4f86\u89e3\u6c7a\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u9375\u503c\u91cd\u8907\u9810\u9632\u8207\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u5347\u6578\u64da\u4e00\u81f4\u6027\u8207\u6027\u80fd\uff0c\u78ba\u4fdd\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u8207\u5b58\u53d6\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-125047","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125047","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=125047"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125047\/revisions"}],"predecessor-version":[{"id":125048,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125047\/revisions\/125048"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=125047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=125047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=125047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}