{"id":104932,"date":"2024-10-23T12:27:07","date_gmt":"2024-10-23T04:27:07","guid":{"rendered":"https:\/\/server.hk\/cnblog\/104932\/"},"modified":"2024-10-23T12:27:08","modified_gmt":"2024-10-23T04:27:08","slug":"redis-%e9%81%8e%e6%9c%9f%e5%a6%99%e7%94%a8%e5%a4%9a%e7%b7%9a%e7%a8%8b%e4%bf%9d%e9%9a%9c%e6%95%b8%e6%93%9a%e5%ae%89%e5%85%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/104932\/","title":{"rendered":"Redis \u904e\u671f\u5999\u7528\u591a\u7dda\u7a0b\u4fdd\u969c\u6578\u64da\u5b89\u5168"},"content":{"rendered":"<h1 id=\"redis-%e9%81%8e%e6%9c%9f%e5%a6%99%e7%94%a8%e5%a4%9a%e7%b7%9a%e7%a8%8b%e4%bf%9d%e9%9a%9c%e6%95%b8%e6%93%9a%e5%ae%89%e5%85%a8-VouDWXmoFm\">Redis \u904e\u671f\u5999\u7528\u591a\u7dda\u7a0b\u4fdd\u969c\u6578\u64da\u5b89\u5168<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u6709\u6548\u6027\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u4e0d\u50c5\u63d0\u4f9b\u4e86\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\u80fd\u529b\uff0c\u9084\u5177\u5099\u4e86\u904e\u671f\u9375\u7684\u7ba1\u7406\u529f\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u7684\u904e\u671f\u6a5f\u5236\u5982\u4f55\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u4fdd\u969c\u6578\u64da\u5b89\u5168\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%81%8e%e6%9c%9f%e6%a9%9f%e5%88%b6-VouDWXmoFm\">Redis \u7684\u904e\u671f\u6a5f\u5236<\/h2>\n<p>Redis \u5141\u8a31\u7528\u6236\u70ba\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u9019\u610f\u5473\u8457\u5728\u6307\u5b9a\u7684\u6642\u9593\u5f8c\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u4e00\u7279\u6027\u5c0d\u65bc\u7ba1\u7406\u81e8\u6642\u6578\u64da\u6216\u9700\u8981\u5b9a\u671f\u6e05\u7406\u7684\u6578\u64da\u975e\u5e38\u6709\u7528\u3002\u904e\u671f\u9375\u7684\u7ba1\u7406\u4e3b\u8981\u6709\u5169\u7a2e\u65b9\u5f0f\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u6aa2\u67e5\uff1a<\/strong>Redis \u6703\u5b9a\u671f\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<p>\u9019\u5169\u7a2e\u65b9\u5f0f\u7684\u7d50\u5408\u4f7f\u5f97 Redis \u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u904e\u671f\u6578\u64da\uff0c\u5f9e\u800c\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e7%92%b0%e5%a2%83%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%e5%ae%89%e5%85%a8-VouDWXmoFm\">\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u7684\u6578\u64da\u5b89\u5168<\/h2>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u7684\u5b89\u5168\u6027\u5c24\u70ba\u91cd\u8981\u3002\u7576\u591a\u500b\u7dda\u7a0b\u540c\u6642\u8a2a\u554f\u548c\u4fee\u6539\u6578\u64da\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u640d\u58de\u3002Redis \u7684\u55ae\u7dda\u7a0b\u6a21\u578b\u5728\u9019\u65b9\u9762\u63d0\u4f9b\u4e86\u4e00\u5b9a\u7684\u4fdd\u969c\uff0c\u56e0\u70ba\u5b83\u5728\u8655\u7406\u8acb\u6c42\u6642\u662f\u4e32\u884c\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u7af6\u722d\u689d\u4ef6\u7684\u767c\u751f\u3002<\/p>\n<p>\u7136\u800c\uff0c\u7576\u6d89\u53ca\u5230\u904e\u671f\u9375\u7684\u7ba1\u7406\u6642\uff0c\u4ecd\u7136\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<h3 id=\"1-%e9%81%8e%e6%9c%9f%e9%8d%b5%e7%9a%84%e6%aa%a2%e6%9f%a5-VouDWXmoFm\">1. \u904e\u671f\u9375\u7684\u6aa2\u67e5<\/h3>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u7576\u4e00\u500b\u7dda\u7a0b\u8a66\u5716\u8a2a\u554f\u4e00\u500b\u904e\u671f\u7684\u9375\u6642\uff0c\u53e6\u4e00\u500b\u7dda\u7a0b\u53ef\u80fd\u5df2\u7d93\u522a\u9664\u4e86\u8a72\u9375\u3002\u70ba\u4e86\u907f\u514d\u9019\u7a2e\u60c5\u6cc1\uff0c\u53ef\u4ee5\u4f7f\u7528 Redis \u7684 <code>WATCH<\/code> \u547d\u4ee4\u4f86\u76e3\u8996\u9375\u7684\u8b8a\u5316\u3002\u9019\u6a23\uff0c\u5982\u679c\u5728\u6aa2\u67e5\u904e\u671f\u72c0\u614b\u5f8c\uff0c\u9375\u88ab\u522a\u9664\uff0c\u5247\u53ef\u4ee5\u91cd\u65b0\u57f7\u884c\u64cd\u4f5c\u3002<\/p>\n<pre><code>WATCH mykey\nif (EXISTS mykey) {\n    \/\/ \u9032\u884c\u64cd\u4f5c\n}\nUNWATCH<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e4%ba%8b%e5%8b%99-VouDWXmoFm\">2. \u4f7f\u7528\u4e8b\u52d9<\/h3>\n<p>Redis \u7684\u4e8b\u52d9\u6a5f\u5236\u53ef\u4ee5\u78ba\u4fdd\u4e00\u7d44\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\u3002\u9019\u5c0d\u65bc\u9700\u8981\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u9032\u884c\u7684\u6578\u64da\u64cd\u4f5c\u5c24\u70ba\u91cd\u8981\u3002\u53ef\u4ee5\u4f7f\u7528 <code>MULTI<\/code> \u548c <code>EXEC<\/code> \u547d\u4ee4\u4f86\u5be6\u73fe\u4e8b\u52d9\u64cd\u4f5c\u3002<\/p>\n<pre><code>MULTI\nSET mykey \"value\"\nEXPIRE mykey 60\nEXEC<\/code><\/pre>\n<h3 id=\"3-%e9%8e%96%e6%a9%9f%e5%88%b6-VouDWXmoFm\">3. \u9396\u6a5f\u5236<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u5c0d\u7279\u5b9a\u7684\u9375\u9032\u884c\u9396\u5b9a\uff0c\u4ee5\u9632\u6b62\u5176\u4ed6\u7dda\u7a0b\u540c\u6642\u8a2a\u554f\u3002\u53ef\u4ee5\u4f7f\u7528 Redis \u7684 <code>SETNX<\/code> \u547d\u4ee4\u4f86\u5be6\u73fe\u7c21\u55ae\u7684\u9396\u6a5f\u5236\u3002<\/p>\n<pre><code>SETNX lock_key \"locked\"\nif (EXISTS lock_key) {\n    \/\/ \u9396\u5b9a\u5931\u6557\uff0c\u8655\u7406\u908f\u8f2f\n}\nDEL lock_key<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-VouDWXmoFm\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u904e\u671f\u6a5f\u5236\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u6578\u64da\u7ba1\u7406\u65b9\u5f0f\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528\u904e\u671f\u9375\u3001\u4e8b\u52d9\u548c\u9396\u6a5f\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u4fdd\u969c\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u4e00\u81f4\u6027\u3002\u9019\u4e9b\u7279\u6027\u4f7f\u5f97 Redis \u6210\u70ba\u8655\u7406\u81e8\u6642\u6578\u64da\u548c\u9ad8\u4e26\u767c\u8acb\u6c42\u7684\u7406\u60f3\u9078\u64c7\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\u7684\u904e\u671f\u529f\u80fd\uff0c\u5982\u4f55\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u4fdd\u969c\u6578\u64da\u5b89\u5168\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\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-104932","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/104932","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=104932"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/104932\/revisions"}],"predecessor-version":[{"id":104933,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/104932\/revisions\/104933"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=104932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=104932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=104932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}