{"id":98344,"date":"2024-10-21T01:49:17","date_gmt":"2024-10-20T17:49:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98344\/"},"modified":"2024-10-21T01:49:17","modified_gmt":"2024-10-20T17:49:17","slug":"redis-%e7%a9%bf%e9%80%8f%e4%bf%9d%e8%ad%b7%e9%98%b2%e6%ad%a2-cs-%e6%94%bb%e6%93%8a%e6%93%8a%e7%a9%bf","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98344\/","title":{"rendered":"Redis \u7a7f\u900f\u4fdd\u8b77\u9632\u6b62 CS \u653b\u64ca\u64ca\u7a7f"},"content":{"rendered":"<h1 id=\"redis-%e7%a9%bf%e9%80%8f%e4%bf%9d%e8%ad%b7%e9%98%b2%e6%ad%a2-cs-%e6%94%bb%e6%93%8a%e6%93%8a%e7%a9%bf-yZNxddtYpU\">Redis \u7a7f\u900f\u4fdd\u8b77\u9632\u6b62 CS \u653b\u64ca\u64ca\u7a7f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u5b89\u5168\u6027\u6210\u70ba\u4e86\u6bcf\u500b\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u8981\u8003\u91cf\u3002\u7279\u5225\u662f\u5c0d\u65bc\u4f7f\u7528 Redis \u4f5c\u70ba\u6578\u64da\u5b58\u5132\u7684\u7cfb\u7d71\uff0c\u5982\u4f55\u9632\u6b62 CS \u653b\u64ca\uff08Cross-Site Scripting\uff09\u548c\u6578\u64da\u7a7f\u900f\u653b\u64ca\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u7a7f\u900f\u4fdd\u8b77\u7684\u6982\u5ff5\u53ca\u5176\u5728\u9632\u6b62 CS \u653b\u64ca\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e7%a9%bf%e9%80%8f%e4%bf%9d%e8%ad%b7%ef%bc%9f-yZNxddtYpU\">\u4ec0\u9ebc\u662f Redis \u7a7f\u900f\u4fdd\u8b77\uff1f<\/h2>\n<p>Redis \u7a7f\u900f\u4fdd\u8b77\u662f\u6307\u901a\u904e\u4e00\u7cfb\u5217\u6280\u8853\u624b\u6bb5\uff0c\u9632\u6b62\u60e1\u610f\u8acb\u6c42\u76f4\u63a5\u7a7f\u900f\u5230\u5f8c\u7aef\u6578\u64da\u5eab\uff0c\u5f9e\u800c\u4fdd\u8b77\u7cfb\u7d71\u7684\u5b89\u5168\u6027\u548c\u7a69\u5b9a\u6027\u3002\u7576\u7528\u6236\u767c\u9001\u8acb\u6c42\u6642\uff0c\u5982\u679c\u8acb\u6c42\u7684\u6578\u64da\u5728 Redis \u4e2d\u4e0d\u5b58\u5728\uff0c\u7cfb\u7d71\u53ef\u80fd\u6703\u76f4\u63a5\u67e5\u8a62\u5f8c\u7aef\u6578\u64da\u5eab\uff0c\u9019\u6a23\u5c31\u53ef\u80fd\u5c0e\u81f4\u5927\u91cf\u7684\u7121\u6548\u8acb\u6c42\uff0c\u6700\u7d42\u9020\u6210\u6578\u64da\u5eab\u7684\u904e\u8f09\u3002<\/p>\n<h2 id=\"cs-%e6%94%bb%e6%93%8a%e7%9a%84%e5%bd%b1%e9%9f%bf-yZNxddtYpU\">CS \u653b\u64ca\u7684\u5f71\u97ff<\/h2>\n<p>CS \u653b\u64ca\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u7db2\u7d61\u653b\u64ca\u65b9\u5f0f\uff0c\u653b\u64ca\u8005\u901a\u904e\u5728\u7528\u6236\u7684\u700f\u89bd\u5668\u4e2d\u57f7\u884c\u60e1\u610f\u8173\u672c\uff0c\u4f86\u7aca\u53d6\u7528\u6236\u7684\u654f\u611f\u4fe1\u606f\u6216\u9032\u884c\u5176\u4ed6\u60e1\u610f\u64cd\u4f5c\u3002\u9019\u985e\u653b\u64ca\u4e0d\u50c5\u5f71\u97ff\u7528\u6236\u7684\u5b89\u5168\uff0c\u9084\u53ef\u80fd\u5c0d\u7db2\u7ad9\u7684\u6574\u9ad4\u6027\u80fd\u9020\u6210\u5f71\u97ff\u3002\u7576 Redis \u6c92\u6709\u6709\u6548\u7684\u7a7f\u900f\u4fdd\u8b77\u6642\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u5229\u7528\u9019\u4e00\u6f0f\u6d1e\u767c\u9001\u5927\u91cf\u8acb\u6c42\uff0c\u5c0e\u81f4\u7cfb\u7d71\u5d29\u6f70\u3002<\/p>\n<h2 id=\"redis-%e7%a9%bf%e9%80%8f%e4%bf%9d%e8%ad%b7%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95-yZNxddtYpU\">Redis \u7a7f\u900f\u4fdd\u8b77\u7684\u5be6\u73fe\u65b9\u6cd5<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u9632\u6b62 CS \u653b\u64ca\u548c\u6578\u64da\u7a7f\u900f\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684 Redis \u7a7f\u900f\u4fdd\u8b77\u5be6\u73fe\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u8acb\u6c42\u9a57\u8b49\uff1a<\/strong>\u5728\u63a5\u6536\u5230\u8acb\u6c42\u4e4b\u524d\uff0c\u5c0d\u8acb\u6c42\u9032\u884c\u9a57\u8b49\uff0c\u78ba\u4fdd\u8acb\u6c42\u7684\u5408\u6cd5\u6027\u3002\u53ef\u4ee5\u901a\u904e\u9a57\u8b49\u7528\u6236\u7684\u8eab\u4efd\u6216\u8acb\u6c42\u7684\u53c3\u6578\u4f86\u5be6\u73fe\u3002<\/li>\n<li><strong>\u7de9\u5b58\u7a7a\u7d50\u679c\uff1a<\/strong>\u5c0d\u65bc\u67e5\u8a62\u7d50\u679c\u70ba\u7a7a\u7684\u8acb\u6c42\uff0c\u53ef\u4ee5\u5c07\u5176\u7d50\u679c\u7de9\u5b58\u5230 Redis \u4e2d\uff0c\u4e26\u8a2d\u7f6e\u4e00\u500b\u5408\u7406\u7684\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u91cd\u8907\u67e5\u8a62\u5f8c\u7aef\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>\u9650\u6d41\u7b56\u7565\uff1a<\/strong>\u901a\u904e\u8a2d\u7f6e\u8acb\u6c42\u7684\u983b\u7387\u9650\u5236\uff0c\u4f86\u9632\u6b62\u77ed\u6642\u9593\u5167\u5927\u91cf\u8acb\u6c42\u7684\u767c\u9001\u3002\u9019\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u58d3\u529b\u3002<\/li>\n<li><strong>\u4f7f\u7528 Bloom Filter\uff1a<\/strong>\u9019\u662f\u4e00\u7a2e\u6982\u7387\u578b\u6578\u64da\u7d50\u69cb\uff0c\u53ef\u4ee5\u7528\u4f86\u5224\u65b7\u4e00\u500b\u5143\u7d20\u662f\u5426\u5728\u96c6\u5408\u4e2d\u3002\u901a\u904e\u5728 Redis \u4e2d\u4f7f\u7528 Bloom Filter\uff0c\u53ef\u4ee5\u5feb\u901f\u5224\u65b7\u8acb\u6c42\u7684\u6578\u64da\u662f\u5426\u5b58\u5728\uff0c\u5f9e\u800c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u67e5\u8a62\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-yZNxddtYpU\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 Redis \u4e2d\u7de9\u5b58\u7a7a\u7d50\u679c\uff1a<\/p>\n<pre><code>\ndef get_data(key):\n    # \u5617\u8a66\u5f9e Redis \u7372\u53d6\u6578\u64da\n    data = redis.get(key)\n    if data is None:\n        # \u5982\u679c\u6578\u64da\u4e0d\u5b58\u5728\uff0c\u67e5\u8a62\u5f8c\u7aef\u6578\u64da\u5eab\n        data = query_database(key)\n        if data is None:\n            # \u5c07\u7a7a\u7d50\u679c\u7de9\u5b58\u5230 Redis\n            redis.set(key, None, ex=60)  # \u8a2d\u7f6e\u904e\u671f\u6642\u9593\u70ba60\u79d2\n        else:\n            # \u5c07\u67e5\u8a62\u7d50\u679c\u7de9\u5b58\u5230 Redis\n            redis.set(key, data)\n    return data\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-yZNxddtYpU\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7a7f\u900f\u4fdd\u8b77\u662f\u9632\u6b62 CS \u653b\u64ca\u7684\u91cd\u8981\u624b\u6bb5\u4e4b\u4e00\u3002\u901a\u904e\u5be6\u65bd\u8acb\u6c42\u9a57\u8b49\u3001\u7de9\u5b58\u7a7a\u7d50\u679c\u3001\u9650\u6d41\u7b56\u7565\u548c\u4f7f\u7528 Bloom Filter \u7b49\u6280\u8853\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u7cfb\u7d71\u7684\u5b89\u5168\u98a8\u96aa\u548c\u6027\u80fd\u554f\u984c\u3002\u96a8\u8457\u7db2\u7d61\u653b\u64ca\u624b\u6bb5\u7684\u4e0d\u65b7\u6f14\u8b8a\uff0c\u6301\u7e8c\u95dc\u6ce8\u548c\u6539\u9032\u5b89\u5168\u63aa\u65bd\u5c07\u662f\u6bcf\u500b\u958b\u767c\u8005\u548c\u904b\u71df\u8005\u7684\u8cac\u4efb\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u7a7f\u900f\u4fdd\u8b77\u6280\u8853\u6709\u6548\u9632\u6b62 CS \u653b\u64ca\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\uff0c\u4fdd\u969c\u61c9\u7528\u6027\u80fd\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-98344","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98344","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=98344"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98344\/revisions"}],"predecessor-version":[{"id":98345,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98344\/revisions\/98345"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98344"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98344"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}