{"id":185122,"date":"2024-11-10T18:55:19","date_gmt":"2024-11-10T10:55:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185122\/"},"modified":"2024-11-10T18:55:21","modified_gmt":"2024-11-10T10:55:21","slug":"%e4%bd%bf%e7%94%a8redis%e9%a0%85%e7%9b%ae%e5%af%a6%e4%be%8b%e6%8e%8c%e6%8f%a1%e6%ba%90%e7%a2%bc%e6%8a%80%e5%b7%a7%ef%bc%88redis%e9%a0%85%e7%9b%ae%e5%af%a6%e4%be%8b%e6%ba%90%e7%a2%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185122\/","title":{"rendered":"\u4f7f\u7528Redis\u9805\u76ee\u5be6\u4f8b\u638c\u63e1\u6e90\u78bc\u6280\u5de7\uff08redis\u9805\u76ee\u5be6\u4f8b\u6e90\u78bc\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e9%a0%85%e7%9b%ae%e5%af%a6%e4%be%8b%e6%8e%8c%e6%8f%a1%e6%ba%90%e7%a2%bc%e6%8a%80%e5%b7%a7%ef%bc%88redis%e9%a0%85%e7%9b%ae%e5%af%a6%e4%be%8b%e6%ba%90%e7%a2%bc%ef%bc%89-UDmrVPHHOy\">\u4f7f\u7528Redis\u9805\u76ee\u5be6\u4f8b\u638c\u63e1\u6e90\u78bc\u6280\u5de7\uff08redis\u9805\u76ee\u5be6\u4f8b\u6e90\u78bc\uff09<\/h1>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u7531\u65bc\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0c\u8d8a\u4f86\u8d8a\u591a\u7684\u958b\u767c\u8005\u9078\u64c7\u4f7f\u7528Redis\u4f86\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u672c\u6587\u5c07\u901a\u904e\u5e7e\u500b\u5be6\u969b\u9805\u76ee\u793a\u4f8b\uff0c\u5e6b\u52a9\u8b80\u8005\u638c\u63e1Redis\u7684\u4f7f\u7528\u6280\u5de7\u548c\u6e90\u78bc\u5be6\u73fe\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-UDmrVPHHOy\">Redis\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728\u6df1\u5165\u9805\u76ee\u5be6\u4f8b\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u4e86\u89e3Redis\u7684\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u3002Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u5b83\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u9ad8\u6027\u80fd\uff1aRedis\u80fd\u5920\u6bcf\u79d2\u8655\u7406\u6578\u5341\u842c\u6b21\u8b80\u5beb\u64cd\u4f5c\u3002<\/li>\n<li>\u6301\u4e45\u5316\uff1a\u652f\u6301\u5c07\u6578\u64da\u6301\u4e45\u5316\u5230\u78c1\u789f\uff0c\u907f\u514d\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff1a\u9748\u6d3b\u7684\u6578\u64da\u6a21\u578b\u4f7f\u5f97Redis\u9069\u7528\u65bc\u591a\u7a2e\u5834\u666f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%a0%85%e7%9b%ae%e5%af%a6%e4%be%8b%e4%b8%80%ef%bc%9a%e4%bd%bf%e7%94%a8redis%e4%bd%9c%e7%82%ba%e7%b7%a9%e5%ad%98%e7%b3%bb%e7%b5%b1-UDmrVPHHOy\">\u9805\u76ee\u5be6\u4f8b\u4e00\uff1a\u4f7f\u7528Redis\u4f5c\u70ba\u7de9\u5b58\u7cfb\u7d71<\/h2>\n<p>\u5728\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u4e2d\uff0c\u5546\u54c1\u4fe1\u606f\u7684\u67e5\u8a62\u983b\u7387\u975e\u5e38\u9ad8\u3002\u70ba\u4e86\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528Redis\u4f5c\u70ba\u7de9\u5b58\u7cfb\u7d71\u3002\u4ee5\u4e0b\u662f\u7c21\u55ae\u7684\u5be6\u73fe\u4ee3\u78bc\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\u670d\u52d9\u5668\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u67e5\u8a62\u5546\u54c1\u4fe1\u606f\u7684\u51fd\u6578\ndef get_product_info(product_id):\n    # \u9996\u5148\u6aa2\u67e5\u7de9\u5b58\u4e2d\u662f\u5426\u5b58\u5728\n    cached_info = r.get(product_id)\n    if cached_info:\n        return cached_info.decode('utf-8')\n    \n    # \u5982\u679c\u7de9\u5b58\u4e2d\u4e0d\u5b58\u5728\uff0c\u5247\u5f9e\u6578\u64da\u5eab\u67e5\u8a62\n    product_info = query_database(product_id)  # \u5047\u8a2d\u9019\u662f\u4e00\u500b\u67e5\u8a62\u6578\u64da\u5eab\u7684\u51fd\u6578\n    # \u5c07\u67e5\u8a62\u7d50\u679c\u5b58\u5165\u7de9\u5b58\n    r.set(product_id, product_info, ex=3600)  # \u8a2d\u7f6e\u7de9\u5b58\u904e\u671f\u6642\u9593\u70ba1\u5c0f\u6642\n    return product_info\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u6aa2\u67e5Redis\u7de9\u5b58\u4e2d\u662f\u5426\u5b58\u5728\u5546\u54c1\u4fe1\u606f\uff0c\u5982\u679c\u5b58\u5728\u5247\u76f4\u63a5\u8fd4\u56de\uff0c\u5426\u5247\u5f9e\u6578\u64da\u5eab\u67e5\u8a62\u4e26\u5c07\u7d50\u679c\u5b58\u5165\u7de9\u5b58\u3002\u9019\u6a23\u53ef\u4ee5\u5927\u5e45\u5ea6\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h2 id=\"%e9%a0%85%e7%9b%ae%e5%af%a6%e4%be%8b%e4%ba%8c%ef%bc%9a%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e6%b6%88%e6%81%af%e9%9a%8a%e5%88%97-UDmrVPHHOy\">\u9805\u76ee\u5be6\u4f8b\u4e8c\uff1a\u4f7f\u7528Redis\u5be6\u73fe\u6d88\u606f\u968a\u5217<\/h2>\n<p>Redis\u7684\u5217\u8868\u6578\u64da\u7d50\u69cb\u975e\u5e38\u9069\u5408\u7528\u4f86\u5be6\u73fe\u6d88\u606f\u968a\u5217\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u751f\u7522\u8005-\u6d88\u8cbb\u8005\u6a21\u578b\u7684\u5be6\u73fe\uff1a<\/p>\n<pre><code>import redis\nimport time\n\n# \u9023\u63a5\u5230Redis\u670d\u52d9\u5668\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u751f\u7522\u8005\u51fd\u6578\ndef producer():\n    while True:\n        message = \"\u65b0\u6d88\u606f\"\n        r.lpush('message_queue', message)  # \u5c07\u6d88\u606f\u63a8\u5165\u968a\u5217\n        print(f\"\u751f\u7522\u8005: \u751f\u6210\u6d88\u606f {message}\")\n        time.sleep(1)  # \u6bcf\u79d2\u751f\u6210\u4e00\u689d\u6d88\u606f\n\n# \u6d88\u8cbb\u8005\u51fd\u6578\ndef consumer():\n    while True:\n        message = r.brpop('message_queue')  # \u5f9e\u968a\u5217\u4e2d\u5f48\u51fa\u6d88\u606f\n        print(f\"\u6d88\u8cbb\u8005: \u8655\u7406\u6d88\u606f {message[1].decode('utf-8')}\")\n\n# \u555f\u52d5\u751f\u7522\u8005\u548c\u6d88\u8cbb\u8005\nimport threading\nthreading.Thread(target=producer).start()\nthreading.Thread(target=consumer).start()\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u751f\u7522\u8005\u4e0d\u65b7\u751f\u6210\u6d88\u606f\u4e26\u5c07\u5176\u63a8\u5165Redis\u5217\u8868\u4e2d\uff0c\u800c\u6d88\u8cbb\u8005\u5247\u5f9e\u5217\u8868\u4e2d\u5f48\u51fa\u6d88\u606f\u9032\u884c\u8655\u7406\u3002\u9019\u7a2e\u6a21\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u8026\u751f\u7522\u8005\u548c\u6d88\u8cbb\u8005\uff0c\u4e26\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u64f4\u5c55\u6027\u3002<\/p>\n<h2 id=\"%e9%a0%85%e7%9b%ae%e5%af%a6%e4%be%8b%e4%b8%89%ef%bc%9a%e4%bd%bf%e7%94%a8redis%e9%80%b2%e8%a1%8c%e8%a8%88%e6%95%b8%e5%99%a8-UDmrVPHHOy\">\u9805\u76ee\u5be6\u4f8b\u4e09\uff1a\u4f7f\u7528Redis\u9032\u884c\u8a08\u6578\u5668<\/h2>\n<p>Redis\u7684\u539f\u5b50\u64cd\u4f5c\u7279\u6027\u4f7f\u5176\u975e\u5e38\u9069\u5408\u7528\u4f86\u5be6\u73fe\u8a08\u6578\u5668\u3002\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u7528Redis\u4f86\u7d71\u8a08\u7db2\u7ad9\u7684\u8a2a\u554f\u91cf\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\u670d\u52d9\u5668\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u8a2a\u554f\u8a08\u6578\u51fd\u6578\ndef record_visit():\n    r.incr('visit_count')  # \u5c07\u8a2a\u554f\u8a08\u6578\u5668\u52a01\n\n# \u7372\u53d6\u7576\u524d\u8a2a\u554f\u91cf\ndef get_visit_count():\n    return r.get('visit_count').decode('utf-8')\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528Redis\u7684`incr`\u547d\u4ee4\u4f86\u539f\u5b50\u6027\u5730\u589e\u52a0\u8a08\u6578\u5668\uff0c\u4e26\u53ef\u4ee5\u96a8\u6642\u7372\u53d6\u7576\u524d\u7684\u8a2a\u554f\u91cf\u3002\u9019\u7a2e\u65b9\u5f0f\u4e0d\u50c5\u7c21\u55ae\uff0c\u800c\u4e14\u6027\u80fd\u512a\u8d8a\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-UDmrVPHHOy\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u5e7e\u500b\u5be6\u969b\u9805\u76ee\u793a\u4f8b\uff0c\u6211\u5011\u53ef\u4ee5\u770b\u5230Redis\u5728\u4e0d\u540c\u5834\u666f\u4e2d\u7684\u61c9\u7528\u6f5b\u529b\u3002\u7121\u8ad6\u662f\u4f5c\u70ba\u7de9\u5b58\u7cfb\u7d71\u3001\u6d88\u606f\u968a\u5217\u9084\u662f\u8a08\u6578\u5668\uff0cRedis\u90fd\u80fd\u5920\u63d0\u4f9b\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u638c\u63e1\u9019\u4e9b\u6e90\u78bc\u6280\u5de7\uff0c\u5c07\u6709\u52a9\u65bc\u958b\u767c\u8005\u5728\u5be6\u969b\u9805\u76ee\u4e2d\u66f4\u597d\u5730\u5229\u7528Redis\u7684\u7279\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u9805\u76ee\u4e2d\u4f7f\u7528Redis\u6709\u66f4\u591a\u7684\u7591\u554f\uff0c\u6216\u8005\u9700\u8981\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1Redis\u9805\u76ee\u5be6\u4f8b\u6e90\u78bc\u6280\u5de7\uff0c\u6df1\u5165\u5b78\u7fd2Redis\u7684\u61c9\u7528\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\u8207\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-185122","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185122","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=185122"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185122\/revisions"}],"predecessor-version":[{"id":185123,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185122\/revisions\/185123"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}