{"id":163635,"date":"2024-11-05T01:09:30","date_gmt":"2024-11-04T17:09:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163635\/"},"modified":"2024-11-05T01:09:31","modified_gmt":"2024-11-04T17:09:31","slug":"%e8%a7%a3%e6%b1%baredis%e9%9b%aa%e5%b4%a9%e6%95%85%e9%9a%9c%e7%9a%84%e6%9c%89%e6%95%88%e6%96%b9%e6%b3%95%ef%bc%88redis%e9%9b%aa%e5%b4%a9%e8%99%95%e7%90%86%e6%96%b9%e6%b3%95%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163635\/","title":{"rendered":"\u89e3\u6c7aRedis\u96ea\u5d29\u6545\u969c\u7684\u6709\u6548\u65b9\u6cd5\uff08redis\u96ea\u5d29\u8655\u7406\u65b9\u6cd5\uff09"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e6%b1%baredis%e9%9b%aa%e5%b4%a9%e6%95%85%e9%9a%9c%e7%9a%84%e6%9c%89%e6%95%88%e6%96%b9%e6%b3%95%ef%bc%88redis%e9%9b%aa%e5%b4%a9%e8%99%95%e7%90%86%e6%96%b9%e6%b3%95%ef%bc%89-kPOezbrovc\">\u89e3\u6c7aRedis\u96ea\u5d29\u6545\u969c\u7684\u6709\u6548\u65b9\u6cd5\uff08redis\u96ea\u5d29\u8655\u7406\u65b9\u6cd5\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u67b6\u69cb\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u5834\u666f\u3002\u7136\u800c\uff0cRedis\u7684\u4f7f\u7528\u4e5f\u4f34\u96a8\u8457\u4e00\u4e9b\u6311\u6230\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f\u201c\u96ea\u5d29\u6545\u969c\u201d\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u96ea\u5d29\u6545\u969c\u7684\u6210\u56e0\u53ca\u5176\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e9%9b%aa%e5%b4%a9%e6%95%85%e9%9a%9c%ef%bc%9f-kPOezbrovc\">\u4ec0\u9ebc\u662fRedis\u96ea\u5d29\u6545\u969c\uff1f<\/h2>\n<p>Redis\u96ea\u5d29\u6545\u969c\u662f\u6307\u5728\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\uff0c\u7576\u5927\u91cf\u7684\u7de9\u5b58\u6578\u64da\u540c\u6642\u904e\u671f\uff0c\u5c0e\u81f4\u5927\u91cf\u8acb\u6c42\u76f4\u63a5\u6253\u5230\u5f8c\u7aef\u6578\u64da\u5eab\uff0c\u5f9e\u800c\u9020\u6210\u6578\u64da\u5eab\u7684\u77ac\u6642\u8ca0\u8f09\u904e\u9ad8\uff0c\u6700\u7d42\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u5eab\u5d29\u6f70\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li>\u7de9\u5b58\u7684\u6578\u64da\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u76f8\u540c\u3002<\/li>\n<li>\u9ad8\u4e26\u767c\u8acb\u6c42\u5c0e\u81f4\u5f8c\u7aef\u6578\u64da\u5eab\u7121\u6cd5\u627f\u53d7\u3002<\/li>\n<li>\u7de9\u5b58\u5931\u6548\u5f8c\uff0c\u8acb\u6c42\u76f4\u63a5\u6253\u5230\u6578\u64da\u5eab\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e9%9b%aa%e5%b4%a9%e6%95%85%e9%9a%9c%e7%9a%84%e6%88%90%e5%9b%a0-kPOezbrovc\">Redis\u96ea\u5d29\u6545\u969c\u7684\u6210\u56e0<\/h2>\n<p>\u96ea\u5d29\u6545\u969c\u7684\u4e3b\u8981\u6210\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u7de9\u5b58\u5931\u6548\uff1a<\/strong>\u7576\u5927\u91cf\u7684\u7de9\u5b58\u540c\u6642\u904e\u671f\uff0c\u8acb\u6c42\u5c07\u76f4\u63a5\u6d41\u5411\u5f8c\u7aef\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>\u9ad8\u4e26\u767c\u8acb\u6c42\uff1a<\/strong>\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u8acb\u6c42\u91cf\u6fc0\u589e\uff0c\u6578\u64da\u5eab\u7121\u6cd5\u53ca\u6642\u8655\u7406\u3002<\/li>\n<li><strong>\u4e0d\u5408\u7406\u7684\u7de9\u5b58\u7b56\u7565\uff1a<\/strong>\u5982\u679c\u7de9\u5b58\u7b56\u7565\u4e0d\u7576\uff0c\u53ef\u80fd\u5c0e\u81f4\u5927\u91cf\u8acb\u6c42\u540c\u6642\u5931\u6548\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%baredis%e9%9b%aa%e5%b4%a9%e6%95%85%e9%9a%9c%e7%9a%84%e6%9c%89%e6%95%88%e6%96%b9%e6%b3%95-kPOezbrovc\">\u89e3\u6c7aRedis\u96ea\u5d29\u6545\u969c\u7684\u6709\u6548\u65b9\u6cd5<\/h2>\n<h3 id=\"1-%e9%9a%a8%e6%a9%9f%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-kPOezbrovc\">1. \u96a8\u6a5f\u904e\u671f\u6642\u9593<\/h3>\n<p>\u70ba\u4e86\u907f\u514d\u5927\u91cf\u7de9\u5b58\u540c\u6642\u904e\u671f\uff0c\u53ef\u4ee5\u70ba\u6bcf\u500b\u7de9\u5b58\u9805\u8a2d\u7f6e\u96a8\u6a5f\u7684\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u5206\u6563\u8acb\u6c42\uff0c\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u77ac\u6642\u58d3\u529b\u3002<\/p>\n<pre><code>\nint randomExpireTime = (int)(Math.random() * 1000); \/\/ \u96a8\u6a5f\u904e\u671f\u6642\u9593\nredis.set(\"key\", \"value\", randomExpireTime);\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e9%a0%90%e5%8a%a0%e8%bc%89%e7%ad%96%e7%95%a5-kPOezbrovc\">2. \u4f7f\u7528\u9810\u52a0\u8f09\u7b56\u7565<\/h3>\n<p>\u5728\u7de9\u5b58\u5373\u5c07\u904e\u671f\u4e4b\u524d\uff0c\u53ef\u4ee5\u63d0\u524d\u52a0\u8f09\u6578\u64da\u5230\u7de9\u5b58\u4e2d\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\uff0c\u7de9\u5b58\u59cb\u7d42\u6709\u6578\u64da\u53ef\u7528\uff0c\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u8acb\u6c42\u3002<\/p>\n<pre><code>\nif (redis.exists(\"key\")) {\n    \/\/ \u5982\u679c\u7de9\u5b58\u5b58\u5728\uff0c\u5247\u4e0d\u9032\u884c\u52a0\u8f09\n} else {\n    \/\/ \u9810\u52a0\u8f09\u6578\u64da\n    String value = loadDataFromDatabase();\n    redis.set(\"key\", value);\n}\n<\/code><\/pre>\n<h3 id=\"3-%e9%99%90%e6%b5%81%e5%92%8c%e7%86%94%e6%96%b7-kPOezbrovc\">3. \u9650\u6d41\u548c\u7194\u65b7<\/h3>\n<p>\u5728\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u9650\u6d41\u548c\u7194\u65b7\u6280\u8853\u4f86\u63a7\u5236\u8acb\u6c42\u7684\u6d41\u91cf\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u77ac\u6642\u8acb\u6c42\u904e\u591a\u5c0e\u81f4\u6578\u64da\u5eab\u5d29\u6f70\u3002<\/p>\n<pre><code>\n\/\/ \u9650\u6d41\u793a\u4f8b\nRateLimiter rateLimiter = RateLimiter.create(10.0); \/\/ \u6bcf\u79d210\u500b\u8acb\u6c42\nif (rateLimiter.tryAcquire()) {\n    \/\/ \u8655\u7406\u8acb\u6c42\n} else {\n    \/\/ \u62d2\u7d55\u8acb\u6c42\n}\n<\/code><\/pre>\n<h3 id=\"4-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%84%aa%e5%8c%96-kPOezbrovc\">4. \u6578\u64da\u5eab\u512a\u5316<\/h3>\n<p>\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u9032\u884c\u512a\u5316\u4e5f\u662f\u89e3\u6c7a\u96ea\u5d29\u6545\u969c\u7684\u91cd\u8981\u624b\u6bb5\u3002\u53ef\u4ee5\u901a\u904e\u7d22\u5f15\u3001\u5206\u7247\u7b49\u6280\u8853\u4f86\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u5f9e\u800c\u66f4\u597d\u5730\u61c9\u5c0d\u9ad8\u4e26\u767c\u8acb\u6c42\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kPOezbrovc\">\u7e3d\u7d50<\/h2>\n<p>Redis\u96ea\u5d29\u6545\u969c\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u4f46\u901a\u904e\u96a8\u6a5f\u904e\u671f\u6642\u9593\u3001\u9810\u52a0\u8f09\u7b56\u7565\u3001\u9650\u6d41\u548c\u7194\u65b7\u6280\u8853\u4ee5\u53ca\u6578\u64da\u5eab\u512a\u5316\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u5176\u5f71\u97ff\u3002\u9019\u4e9b\u65b9\u6cd5\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\uff0c\u9084\u80fd\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6709\u6548\u7684Redis\u96ea\u5d29\u6545\u969c\u89e3\u6c7a\u65b9\u6cd5\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\uff0c\u78ba\u4fdd\u6578\u64da\u6301\u4e45\u6027\u8207\u9ad8\u53ef\u7528\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-163635","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163635","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=163635"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163635\/revisions"}],"predecessor-version":[{"id":163636,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163635\/revisions\/163636"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}