{"id":182930,"date":"2024-11-10T00:31:22","date_gmt":"2024-11-09T16:31:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182930\/"},"modified":"2024-11-10T00:31:23","modified_gmt":"2024-11-09T16:31:23","slug":"%e5%af%a6%e6%99%82%e9%a1%af%e7%a4%ba%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%bb%9e%e8%ae%9a%e7%b3%bb%e7%b5%b1%ef%bc%88redis%e9%bb%9e%e8%ae%9a%e5%af%a6%e6%99%82%e9%a1%af%e7%a4%ba%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182930\/","title":{"rendered":"\u5be6\u6642\u986f\u793a\u5229\u7528Redis\u5be6\u73fe\u9ede\u8b9a\u7cfb\u7d71\uff08redis\u9ede\u8b9a\u5be6\u6642\u986f\u793a\uff09"},"content":{"rendered":"<h1 id=\"%e5%af%a6%e6%99%82%e9%a1%af%e7%a4%ba%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%bb%9e%e8%ae%9a%e7%b3%bb%e7%b5%b1%ef%bc%88redis%e9%bb%9e%e8%ae%9a%e5%af%a6%e6%99%82%e9%a1%af%e7%a4%ba%ef%bc%89-JCCDoepsBz\">\u5be6\u6642\u986f\u793a\u5229\u7528Redis\u5be6\u73fe\u9ede\u8b9a\u7cfb\u7d71\uff08redis\u9ede\u8b9a\u5be6\u6642\u986f\u793a\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u9ede\u8b9a\u7cfb\u7d71\u5df2\u6210\u70ba\u7528\u6236\u4e92\u52d5\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u7121\u8ad6\u662f\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u9084\u662f\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\uff0c\u9ede\u8b9a\u529f\u80fd\u90fd\u80fd\u6709\u6548\u63d0\u5347\u7528\u6236\u53c3\u8207\u5ea6\u548c\u5167\u5bb9\u7684\u53ef\u898b\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u4f86\u5be6\u73fe\u4e00\u500b\u9ad8\u6548\u7684\u5be6\u6642\u9ede\u8b9a\u7cfb\u7d71\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u6280\u8853\u7d30\u7bc0\u548c\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87redis%ef%bc%9f-JCCDoepsBz\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5feb\u901f\u7684\u6578\u64da\u8b80\u53d6\u548c\u5beb\u5165\u80fd\u529b\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u4ee5\u4e0b\u662f\u9078\u64c7Redis\u7684\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u80fd\uff1a<\/strong>Redis\u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5176\u80fd\u5920\u4ee5\u6beb\u79d2\u7d1a\u7684\u901f\u5ea6\u8655\u7406\u8acb\u6c42\uff0c\u9069\u5408\u9700\u8981\u5be6\u6642\u53cd\u994b\u7684\u61c9\u7528\u3002<\/li>\n<li><strong>\u6578\u64da\u7d50\u69cb\u9748\u6d3b\uff1a<\/strong>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u9748\u6d3b\u5730\u61c9\u5c0d\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u9078\u9805\uff1a<\/strong>\u96d6\u7136Redis\u4e3b\u8981\u662f\u5167\u5b58\u6578\u64da\u5eab\uff0c\u4f46\u5b83\u4e5f\u63d0\u4f9b\u4e86\u6301\u4e45\u5316\u9078\u9805\uff0c\u78ba\u4fdd\u6578\u64da\u4e0d\u6703\u56e0\u70ba\u670d\u52d9\u5668\u91cd\u555f\u800c\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e9%bb%9e%e8%ae%9a%e7%b3%bb%e7%b5%b1%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%80%9d%e8%b7%af-JCCDoepsBz\">\u5be6\u73fe\u9ede\u8b9a\u7cfb\u7d71\u7684\u57fa\u672c\u601d\u8def<\/h2>\n<p>\u4e00\u500b\u7c21\u55ae\u7684\u9ede\u8b9a\u7cfb\u7d71\u53ef\u4ee5\u5206\u70ba\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u7528\u6236\u9ede\u64ca\u9ede\u8b9a\u6309\u9215\u3002<\/li>\n<li>\u7cfb\u7d71\u5c07\u9ede\u8b9a\u4fe1\u606f\u5beb\u5165Redis\u3002<\/li>\n<li>\u5be6\u6642\u66f4\u65b0\u9ede\u8b9a\u6578\u91cf\u4e26\u986f\u793a\u7d66\u7528\u6236\u3002<\/li>\n<\/ol>\n<h2 id=\"redis%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%e8%a8%ad%e8%a8%88-JCCDoepsBz\">Redis\u6578\u64da\u7d50\u69cb\u8a2d\u8a08<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u4f86\u5b58\u5132\u6bcf\u500b\u5167\u5bb9\u7684\u9ede\u8b9a\u6578\u91cf\u3002\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u6587\u7ae0\u7684ID\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u683c\u5f0f\u4f86\u5b58\u5132\u9ede\u8b9a\u6578\uff1a<\/p>\n<pre><code>SET article:123:likes 0<\/code><\/pre>\n<p>\u9019\u88e1\uff0c`article:123:likes`\u662f\u9375\uff0c`0`\u662f\u521d\u59cb\u7684\u9ede\u8b9a\u6578\u91cf\u3002<\/p>\n<h2 id=\"%e9%bb%9e%e8%ae%9a%e5%8a%9f%e8%83%bd%e7%9a%84%e5%af%a6%e7%8f%be-JCCDoepsBz\">\u9ede\u8b9a\u529f\u80fd\u7684\u5be6\u73fe<\/h2>\n<p>\u7576\u7528\u6236\u9ede\u64ca\u9ede\u8b9a\u6309\u9215\u6642\uff0c\u6211\u5011\u9700\u8981\u57f7\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a<\/p>\n<pre><code>\n# \u5047\u8a2d\u4f7f\u7528Python\u548cRedis-py\u5eab\nimport redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u7528\u6236\u9ede\u8b9a\ndef like_article(article_id):\n    # \u589e\u52a0\u9ede\u8b9a\u6578\u91cf\n    r.incr(f'article:{article_id}:likes')\n    # \u7372\u53d6\u7576\u524d\u9ede\u8b9a\u6578\u91cf\n    likes = r.get(f'article:{article_id}:likes')\n    return int(likes)\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528`incr`\u547d\u4ee4\u4f86\u589e\u52a0\u9ede\u8b9a\u6578\u91cf\uff0c\u4e26\u4f7f\u7528`get`\u547d\u4ee4\u4f86\u7372\u53d6\u7576\u524d\u7684\u9ede\u8b9a\u6578\u3002<\/p>\n<h2 id=\"%e5%af%a6%e6%99%82%e6%9b%b4%e6%96%b0%e9%bb%9e%e8%ae%9a%e6%95%b8%e9%87%8f-JCCDoepsBz\">\u5be6\u6642\u66f4\u65b0\u9ede\u8b9a\u6578\u91cf<\/h2>\n<p>\u70ba\u4e86\u5be6\u73fe\u5be6\u6642\u66f4\u65b0\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528WebSocket\u6216\u9577\u8f2a\u8a62\u6280\u8853\u4f86\u63a8\u9001\u66f4\u65b0\u5230\u7528\u6236\u7aef\u3002\u9019\u6a23\uff0c\u7576\u9ede\u8b9a\u6578\u91cf\u767c\u751f\u8b8a\u5316\u6642\uff0c\u6240\u6709\u9023\u63a5\u7684\u7528\u6236\u90fd\u80fd\u5373\u6642\u770b\u5230\u66f4\u65b0\u3002<\/p>\n<h3 id=\"websocket%e7%a4%ba%e4%be%8b-JCCDoepsBz\">WebSocket\u793a\u4f8b<\/h3>\n<pre><code>\n# \u5047\u8a2d\u4f7f\u7528Flask-SocketIO\nfrom flask import Flask\nfrom flask_socketio import SocketIO\n\napp = Flask(__name__)\nsocketio = SocketIO(app)\n\n@app.route('\/like\/')\ndef like(article_id):\n    likes = like_article(article_id)\n    # \u901a\u77e5\u6240\u6709\u9023\u63a5\u7684\u5ba2\u6236\u7aef\u66f4\u65b0\u9ede\u8b9a\u6578\n    socketio.emit('update_likes', {'article_id': article_id, 'likes': likes})\n    return {'likes': likes}\n\nif __name__ == '__main__':\n    socketio.run(app)\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u7576\u7528\u6236\u9ede\u8b9a\u6642\uff0c\u670d\u52d9\u5668\u6703\u767c\u9001\u4e00\u500b\u4e8b\u4ef6\u5230\u6240\u6709\u9023\u63a5\u7684\u5ba2\u6236\u7aef\uff0c\u901a\u77e5\u5b83\u5011\u66f4\u65b0\u9ede\u8b9a\u6578\u91cf\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JCCDoepsBz\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528Redis\u5be6\u73fe\u7684\u9ede\u8b9a\u7cfb\u7d71\u4e0d\u50c5\u80fd\u5920\u63d0\u4f9b\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\uff0c\u9084\u80fd\u5be6\u73fe\u5be6\u6642\u7684\u7528\u6236\u4e92\u52d5\u3002\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u7d50\u69cb\u8a2d\u8a08\u548c\u6280\u8853\u9078\u578b\uff0c\u6211\u5011\u53ef\u4ee5\u69cb\u5efa\u4e00\u500b\u6d41\u66a2\u4e14\u9ad8\u6548\u7684\u9ede\u8b9a\u7cfb\u7d71\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528Redis\u5be6\u73fe\u7684\u9ede\u8b9a\u7cfb\u7d71\uff0c\u63d0\u4f9b\u5be6\u6642\u986f\u793a\u529f\u80fd\uff0c\u63d0\u5347\u7528\u6236\u4e92\u52d5\u9ad4\u9a57\uff0c\u5feb\u901f\u97ff\u61c9\u9ede\u8b9a\u884c\u70ba\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-182930","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182930","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=182930"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182930\/revisions"}],"predecessor-version":[{"id":182931,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182930\/revisions\/182931"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=182930"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=182930"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=182930"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}