{"id":167401,"date":"2024-11-06T00:52:24","date_gmt":"2024-11-05T16:52:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167401\/"},"modified":"2024-11-06T00:52:25","modified_gmt":"2024-11-05T16:52:25","slug":"%e5%88%a9%e7%94%a8redis%e6%8a%80%e8%a1%93%e8%a7%a3%e6%b1%ba%e5%88%b7%e6%96%b0%e5%95%8f%e9%a1%8c%ef%bc%88redis%e8%a7%a3%e6%b1%ba%e5%88%b7%e6%96%b0%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167401\/","title":{"rendered":"\u5229\u7528Redis\u6280\u8853\u89e3\u6c7a\u5237\u65b0\u554f\u984c\uff08redis\u89e3\u6c7a\u5237\u65b0\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e6%8a%80%e8%a1%93%e8%a7%a3%e6%b1%ba%e5%88%b7%e6%96%b0%e5%95%8f%e9%a1%8c%ef%bc%88redis%e8%a7%a3%e6%b1%ba%e5%88%b7%e6%96%b0%ef%bc%89-SbuOtwVJHM\">\u5229\u7528Redis\u6280\u8853\u89e3\u6c7a\u5237\u65b0\u554f\u984c\uff08redis\u89e3\u6c7a\u5237\u65b0\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u662f\u7528\u6236\u9ad4\u9a57\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5237\u65b0\u554f\u984c\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u89e3\u6c7a\u65b9\u6848\u4f86\u61c9\u5c0d\u9019\u4e9b\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u6280\u8853\u4f86\u89e3\u6c7a\u5237\u65b0\u554f\u984c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%88%b7%e6%96%b0%e5%95%8f%e9%a1%8c%ef%bc%9f-SbuOtwVJHM\">\u4ec0\u9ebc\u662f\u5237\u65b0\u554f\u984c\uff1f<\/h2>\n<p>\u5237\u65b0\u554f\u984c\u901a\u5e38\u6307\u7684\u662f\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e0b\uff0c\u6578\u64da\u66f4\u65b0\u7684\u5ef6\u9072\u6216\u4e0d\u4e00\u81f4\u6027\u3002\u7576\u591a\u500b\u7528\u6236\u540c\u6642\u8a2a\u554f\u548c\u4fee\u6539\u6578\u64da\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u7684\u7af6\u722d\u689d\u4ef6\uff0c\u5f9e\u800c\u5f71\u97ff\u61c9\u7528\u7684\u6574\u9ad4\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u4e0a\uff0c\u7576\u591a\u500b\u7528\u6236\u540c\u6642\u8cfc\u8cb7\u540c\u4e00\u4ef6\u5546\u54c1\u6642\uff0c\u5982\u4f55\u78ba\u4fdd\u5eab\u5b58\u6578\u64da\u7684\u6e96\u78ba\u6027\u5c31\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%89%b9%e6%80%a7-SbuOtwVJHM\">Redis\u7684\u57fa\u672c\u7279\u6027<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u4ee5\u4e0b\u5e7e\u500b\u7279\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\uff1a<\/strong>Redis\u5c07\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u6975\u5feb\u3002<\/li>\n<li><strong>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u9664\u4e86\u57fa\u672c\u7684\u9375\u503c\u5c0d\uff0cRedis\u9084\u652f\u6301\u5217\u8868\u3001\u96c6\u5408\u3001\u6709\u5e8f\u96c6\u5408\u548c\u54c8\u5e0c\u7b49\u6578\u64da\u7d50\u69cb\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u9078\u9805\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86RDB\u548cAOF\u5169\u7a2e\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u91cd\u555f\u5f8c\u6062\u5fa9\u6578\u64da\u3002<\/li>\n<li><strong>\u9ad8\u53ef\u7528\u6027\u548c\u64f4\u5c55\u6027\uff1a<\/strong>\u901a\u904e\u4e3b\u5f9e\u8907\u88fd\u548c\u5206\u7247\u6280\u8853\uff0cRedis\u80fd\u5920\u5be6\u73fe\u9ad8\u53ef\u7528\u6027\u548c\u6a6b\u5411\u64f4\u5c55\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%88%a9%e7%94%a8redis%e8%a7%a3%e6%b1%ba%e5%88%b7%e6%96%b0%e5%95%8f%e9%a1%8c%e7%9a%84%e7%ad%96%e7%95%a5-SbuOtwVJHM\">\u5229\u7528Redis\u89e3\u6c7a\u5237\u65b0\u554f\u984c\u7684\u7b56\u7565<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e7%b7%a9%e5%ad%98%e4%be%86%e6%b8%9b%e5%b0%91%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2-SbuOtwVJHM\">1. \u4f7f\u7528\u7de9\u5b58\u4f86\u6e1b\u5c11\u6578\u64da\u5eab\u67e5\u8a62<\/h3>\n<p>\u5728\u9ad8\u4e26\u767c\u7684\u5834\u666f\u4e2d\uff0c\u76f4\u63a5\u67e5\u8a62\u6578\u64da\u5eab\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002\u901a\u904e\u5c07\u983b\u7e41\u8a2a\u554f\u7684\u6578\u64da\u7de9\u5b58\u5728Redis\u4e2d\uff0c\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6b21\u6578\u3002\u4f8b\u5982\uff0c\u7576\u7528\u6236\u8acb\u6c42\u5546\u54c1\u4fe1\u606f\u6642\uff0c\u53ef\u4ee5\u5148\u67e5\u8a62Redis\u7de9\u5b58\uff0c\u5982\u679c\u7de9\u5b58\u4e2d\u5b58\u5728\u8a72\u5546\u54c1\u7684\u4fe1\u606f\uff0c\u5247\u76f4\u63a5\u8fd4\u56de\uff0c\u5426\u5247\u518d\u67e5\u8a62\u6578\u64da\u5eab\u4e26\u66f4\u65b0\u7de9\u5b58\u3002<\/p>\n<pre><code>if (redis.exists(\"product:\" + productId)) {\n    return redis.get(\"product:\" + productId);\n} else {\n    Product product = database.getProduct(productId);\n    redis.set(\"product:\" + productId, product);\n    return product;\n}<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e8%a8%82%e9%96%b1-%e7%99%bc%e5%b8%83%e6%a8%a1%e5%bc%8f-SbuOtwVJHM\">2. \u4f7f\u7528\u8a02\u95b1\/\u767c\u5e03\u6a21\u5f0f<\/h3>\n<p>Redis\u7684\u8a02\u95b1\/\u767c\u5e03\u529f\u80fd\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u5be6\u6642\u6578\u64da\u66f4\u65b0\u3002\u7576\u6578\u64da\u767c\u751f\u8b8a\u5316\u6642\uff0c\u7cfb\u7d71\u53ef\u4ee5\u901a\u904e\u767c\u5e03\u6d88\u606f\u4f86\u901a\u77e5\u6240\u6709\u8a02\u95b1\u8005\uff0c\u5f9e\u800c\u5be6\u73fe\u6578\u64da\u7684\u5373\u6642\u5237\u65b0\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u793e\u4ea4\u5a92\u9ad4\u61c9\u7528\u4e2d\uff0c\u7576\u7528\u6236\u767c\u4f48\u65b0\u6d88\u606f\u6642\uff0c\u53ef\u4ee5\u901a\u904eRedis\u7684\u767c\u5e03\u529f\u80fd\u901a\u77e5\u6240\u6709\u95dc\u6ce8\u8a72\u7528\u6236\u7684\u7528\u6236\uff0c\u8b93\u4ed6\u5011\u5373\u6642\u770b\u5230\u66f4\u65b0\u3002<\/p>\n<pre><code>redis.publish(\"user:\" + userId + \":updates\", newMessage);<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96-SbuOtwVJHM\">3. \u4f7f\u7528\u5206\u5e03\u5f0f\u9396<\/h3>\n<p>\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\uff0c\u70ba\u4e86\u907f\u514d\u6578\u64da\u7af6\u722d\u689d\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u540c\u4e00\u6642\u9593\u53ea\u6709\u4e00\u500b\u8acb\u6c42\u80fd\u5920\u4fee\u6539\u7279\u5b9a\u7684\u6578\u64da\uff0c\u5f9e\u800c\u4fdd\u8b49\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<pre><code>if (redis.set(\"lock:\" + resourceId, \"locked\", \"NX\", \"EX\", 10)) {\n    \/\/ \u57f7\u884c\u6578\u64da\u66f4\u65b0\u64cd\u4f5c\n    redis.del(\"lock:\" + resourceId);\n}<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SbuOtwVJHM\">\u7e3d\u7d50<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u70ba\u89e3\u6c7a\u5237\u65b0\u554f\u984c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6709\u6548\u7684\u7b56\u7565\u3002\u901a\u904e\u4f7f\u7528\u7de9\u5b58\u3001\u8a02\u95b1\/\u767c\u5e03\u6a21\u5f0f\u4ee5\u53ca\u5206\u5e03\u5f0f\u9396\u7b49\u6280\u8853\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002\u5728\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u6642\uff0c\u8003\u616e\u5230Redis\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u66f4\u597d\u7684\u652f\u6301\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u9078\u64c7\u5408\u9069\u7684\u57fa\u790e\u8a2d\u65bd\u5c07\u6709\u52a9\u65bc\u5be6\u73fe\u66f4\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u548c\u7ba1\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u6280\u8853\u6709\u6548\u89e3\u6c7a\u5237\u65b0\u554f\u984c\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u97ff\u61c9\u901f\u5ea6\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u8655\u7406\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-167401","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167401","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=167401"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167401\/revisions"}],"predecessor-version":[{"id":167402,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167401\/revisions\/167402"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}