{"id":174791,"date":"2024-11-07T23:47:23","date_gmt":"2024-11-07T15:47:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174791\/"},"modified":"2024-11-07T23:47:24","modified_gmt":"2024-11-07T15:47:24","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8redis%e6%9c%89%e6%95%88%e6%94%af%e6%8c%81%e9%a0%85%e7%9b%ae%e9%96%8b%e7%99%bc%ef%bc%88%e9%a0%85%e7%9b%ae%e4%b8%adredis%e6%80%8e%e9%ba%bc%e7%94%a8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174791\/","title":{"rendered":"\u5982\u4f55\u5229\u7528Redis\u6709\u6548\u652f\u6301\u9805\u76ee\u958b\u767c\uff08\u9805\u76ee\u4e2dredis\u600e\u9ebc\u7528\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8redis%e6%9c%89%e6%95%88%e6%94%af%e6%8c%81%e9%a0%85%e7%9b%ae%e9%96%8b%e7%99%bc%ef%bc%88%e9%a0%85%e7%9b%ae%e4%b8%adredis%e6%80%8e%e9%ba%bc%e7%94%a8%ef%bc%89-GShneCqpBe\">\u5982\u4f55\u5229\u7528Redis\u6709\u6548\u652f\u6301\u9805\u76ee\u958b\u767c\uff08\u9805\u76ee\u4e2dRedis\u600e\u9ebc\u7528\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u9ad4\u958b\u767c\u4e2d\uff0c\u6027\u80fd\u548c\u6548\u7387\u662f\u6210\u529f\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u56e0\u5176\u5feb\u901f\u7684\u6578\u64da\u8b80\u53d6\u548c\u5beb\u5165\u80fd\u529b\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u7684\u9752\u775e\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728\u9805\u76ee\u4e2d\u6709\u6548\u5229\u7528Redis\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%ef%bc%9f-GShneCqpBe\">\u4ec0\u9ebc\u662fRedis\uff1f<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\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\u7b49\u3002\u5b83\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u9ad8\u6027\u80fd\uff1aRedis\u80fd\u5920\u4ee5\u6bcf\u79d2\u6578\u5341\u842c\u6b21\u7684\u901f\u5ea6\u8655\u7406\u8b80\u5beb\u8acb\u6c42\u3002<\/li>\n<li>\u6301\u4e45\u5316\uff1a\u652f\u6301\u5c07\u6578\u64da\u6301\u4e45\u5316\u5230\u78c1\u789f\uff0c\u78ba\u4fdd\u6578\u64da\u4e0d\u6703\u56e0\u70ba\u670d\u52d9\u5668\u91cd\u555f\u800c\u4e1f\u5931\u3002<\/li>\n<li>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff1a\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u4f86\u5b58\u5132\u6578\u64da\u3002<\/li>\n<li>\u5206\u4f48\u5f0f\uff1a\u652f\u6301\u4e3b\u5f9e\u8907\u88fd\u548c\u5206\u7247\uff0c\u65b9\u4fbf\u64f4\u5c55\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e5%9c%a8%e9%a0%85%e7%9b%ae%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-GShneCqpBe\">Redis\u5728\u9805\u76ee\u4e2d\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>Redis\u53ef\u4ee5\u5728\u591a\u7a2e\u5834\u666f\u4e2d\u767c\u63ee\u4f5c\u7528\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u61c9\u7528\u5834\u666f\uff1a<\/p>\n<h3 id=\"1-%e7%b7%a9%e5%ad%98%e7%b3%bb%e7%b5%b1-GShneCqpBe\">1. \u7de9\u5b58\u7cfb\u7d71<\/h3>\n<p>\u5728Web\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u5eab\u67e5\u8a62\u5f80\u5f80\u662f\u6027\u80fd\u74f6\u9838\u3002\u4f7f\u7528Redis\u4f5c\u70ba\u7de9\u5b58\u7cfb\u7d71\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u8b80\u53d6\u901f\u5ea6\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\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\u6578\u64da\ndef get_user_data(user_id):\n    # \u5617\u8a66\u5f9e\u7de9\u5b58\u4e2d\u7372\u53d6\u6578\u64da\n    user_data = r.get(user_id)\n    if user_data:\n        return user_data\n    else:\n        # \u5982\u679c\u7de9\u5b58\u4e2d\u6c92\u6709\uff0c\u5247\u5f9e\u6578\u64da\u5eab\u67e5\u8a62\n        user_data = query_database(user_id)\n        # \u5c07\u6578\u64da\u5b58\u5165\u7de9\u5b58\n        r.set(user_id, user_data)\n        return user_data\n<\/code><\/pre>\n<h3 id=\"2-%e5%af%a6%e6%99%82%e6%95%b8%e6%93%9a%e8%99%95%e7%90%86-GShneCqpBe\">2. \u5be6\u6642\u6578\u64da\u8655\u7406<\/h3>\n<p>Redis\u7684Pub\/Sub\u529f\u80fd\u4f7f\u5176\u6210\u70ba\u5be6\u6642\u6578\u64da\u8655\u7406\u7684\u7406\u60f3\u9078\u64c7\u3002\u958b\u767c\u8005\u53ef\u4ee5\u5229\u7528\u9019\u4e00\u529f\u80fd\u4f86\u5be6\u73fe\u5373\u6642\u6d88\u606f\u63a8\u9001\u6216\u901a\u77e5\u7cfb\u7d71\u3002<\/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# \u8a02\u95b1\u983b\u9053\ndef message_handler(message):\n    print(f\"Received message: {message['data']}\")\n\np = r.pubsub()\np.subscribe(**{'my_channel': message_handler})\n\n# \u958b\u59cb\u63a5\u6536\u6d88\u606f\np.run_in_thread(sleep_time=0.001)\n<\/code><\/pre>\n<h3 id=\"3-%e6%8e%92%e8%a1%8c%e6%a6%9c%e5%92%8c%e8%a8%88%e6%95%b8%e5%99%a8-GShneCqpBe\">3. \u6392\u884c\u699c\u548c\u8a08\u6578\u5668<\/h3>\n<p>Redis\u7684\u6709\u5e8f\u96c6\u5408\u7279\u6027\u4f7f\u5176\u975e\u5e38\u9069\u5408\u7528\u65bc\u5be6\u73fe\u6392\u884c\u699c\u548c\u8a08\u6578\u5668\u3002\u4f8b\u5982\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528Redis\u4f86\u8ddf\u8e64\u7528\u6236\u7684\u5206\u6578\u4e26\u751f\u6210\u6392\u884c\u699c\uff1a<\/p>\n<pre><code>r.zadd('leaderboard', {'user1': 100, 'user2': 200})\n\n# \u7372\u53d6\u524d10\u540d\ntop_users = r.zrevrange('leaderboard', 0, 9, withscores=True)\nprint(top_users)\n<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-GShneCqpBe\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u6642\uff0c\u958b\u767c\u8005\u61c9\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\uff1a<\/p>\n<ul>\n<li><strong>\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a<\/strong>\u5c0d\u65bc\u7de9\u5b58\u6578\u64da\uff0c\u61c9\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\uff0c\u4ee5\u907f\u514d\u904e\u671f\u6578\u64da\u4f54\u7528\u5167\u5b58\u3002<\/li>\n<li><strong>\u4f7f\u7528\u7ba1\u9053\u6280\u8853\uff1a<\/strong>\u5728\u9032\u884c\u591a\u6b21\u64cd\u4f5c\u6642\uff0c\u4f7f\u7528\u7ba1\u9053\u6280\u8853\u53ef\u4ee5\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\uff0c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u76e3\u63a7Redis\u6027\u80fd\uff1a<\/strong>\u5b9a\u671f\u76e3\u63a7Redis\u7684\u6027\u80fd\u6307\u6a19\uff0c\u5982\u5167\u5b58\u4f7f\u7528\u7387\u3001\u547d\u4e2d\u7387\u7b49\uff0c\u4ee5\u4fbf\u53ca\u6642\u8abf\u6574\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GShneCqpBe\">\u7e3d\u7d50<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u5728\u591a\u7a2e\u5834\u666f\u4e2d\u652f\u6301\u9805\u76ee\u958b\u767c\u3002\u7121\u8ad6\u662f\u4f5c\u70ba\u7de9\u5b58\u7cfb\u7d71\u3001\u5be6\u6642\u6578\u64da\u8655\u7406\u9084\u662f\u6392\u884c\u699c\u7684\u5be6\u73fe\uff0cRedis\u90fd\u80fd\u63d0\u4f9b\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u3002\u5c0d\u65bc\u5e0c\u671b\u63d0\u5347\u61c9\u7528\u6027\u80fd\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5229\u7528Redis\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72Redis\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u642d\u5efa\u9ad8\u6027\u80fd\u7684\u61c9\u7528\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728\u9805\u76ee\u958b\u767c\u4e2d\u6709\u6548\u5229\u7528Redis\uff0c\u63d0\u5347\u6578\u64da\u5b58\u53d6\u6548\u7387\uff0c\u512a\u5316\u6027\u80fd\uff0c\u5be6\u73fe\u5feb\u901f\u97ff\u61c9\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-174791","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174791","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=174791"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174791\/revisions"}],"predecessor-version":[{"id":174792,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174791\/revisions\/174792"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174791"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174791"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}