{"id":158661,"date":"2024-11-03T03:45:22","date_gmt":"2024-11-02T19:45:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/158661\/"},"modified":"2024-11-03T03:45:24","modified_gmt":"2024-11-02T19:45:24","slug":"%e6%a7%8b%e5%bb%ba%e4%b8%80%e5%80%8b%e5%81%a5%e5%a3%af%e7%9a%84%e5%9c%a8%e7%b7%9a%e7%8b%80%e6%85%8b%e7%ae%a1%e7%90%86%e7%b3%bb%e7%b5%b1%e5%ad%98%e5%84%b2%e5%9c%a8redis%e4%b8%ad%ef%bc%88%e5%9c%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/158661\/","title":{"rendered":"\u69cb\u5efa\u4e00\u500b\u5065\u58ef\u7684\u5728\u7dda\u72c0\u614b\u7ba1\u7406\u7cfb\u7d71\u5b58\u5132\u5728Redis\u4e2d\uff08\u5728\u7dda\u72c0\u614b\u5b58\u5728redis\uff09"},"content":{"rendered":"<h1 id=\"%e6%a7%8b%e5%bb%ba%e4%b8%80%e5%80%8b%e5%81%a5%e5%a3%af%e7%9a%84%e5%9c%a8%e7%b7%9a%e7%8b%80%e6%85%8b%e7%ae%a1%e7%90%86%e7%b3%bb%e7%b5%b1%e5%ad%98%e5%84%b2%e5%9c%a8redis%e4%b8%ad-sQCOxEbFMN\">\u69cb\u5efa\u4e00\u500b\u5065\u58ef\u7684\u5728\u7dda\u72c0\u614b\u7ba1\u7406\u7cfb\u7d71\u5b58\u5132\u5728Redis\u4e2d<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u5be6\u6642\u6578\u64da\u8655\u7406\u548c\u72c0\u614b\u7ba1\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u7121\u8ad6\u662f\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u3001\u5373\u6642\u901a\u8a0a\u61c9\u7528\u9084\u662f\u5728\u7dda\u904a\u6232\uff0c\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u7528\u6236\u7684\u5728\u7dda\u72c0\u614b\u90fd\u662f\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u7684\u95dc\u9375\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u6975\u4f73\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0c\u975e\u5e38\u9069\u5408\u7528\u65bc\u69cb\u5efa\u5728\u7dda\u72c0\u614b\u7ba1\u7406\u7cfb\u7d71\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87redis%ef%bc%9f-sQCOxEbFMN\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5177\u6709\u4ee5\u4e0b\u5e7e\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u80fd\u5920\u4ee5\u6beb\u79d2\u7d1a\u7684\u5ef6\u9072\u8655\u7406\u6578\u64da\uff0c\u9019\u4f7f\u5f97\u5b83\u975e\u5e38\u9069\u5408\u9700\u8981\u5feb\u901f\u97ff\u61c9\u7684\u61c9\u7528\u3002<\/li>\n<li><strong>\u6578\u64da\u6301\u4e45\u5316\uff1a<\/strong>\u96d6\u7136Redis\u4e3b\u8981\u662f\u5167\u5b58\u6578\u64da\u5eab\uff0c\u4f46\u5b83\u652f\u6301\u6578\u64da\u6301\u4e45\u5316\uff0c\u80fd\u5920\u5c07\u6578\u64da\u4fdd\u5b58\u5230\u78c1\u789f\u4e2d\uff0c\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li><strong>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis\u4e0d\u50c5\u652f\u6301\u5b57\u7b26\u4e32\uff0c\u9084\u652f\u6301\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u8907\u96dc\u6578\u64da\u6642\u66f4\u52a0\u9748\u6d3b\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis\u7684API\u8a2d\u8a08\u7c21\u55ae\uff0c\u6613\u65bc\u96c6\u6210\u5230\u5404\u7a2e\u61c9\u7528\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%a8%e7%b7%9a%e7%8b%80%e6%85%8b%e7%ae%a1%e7%90%86%e7%b3%bb%e7%b5%b1%e7%9a%84%e8%a8%ad%e8%a8%88-sQCOxEbFMN\">\u5728\u7dda\u72c0\u614b\u7ba1\u7406\u7cfb\u7d71\u7684\u8a2d\u8a08<\/h2>\n<p>\u5728\u8a2d\u8a08\u4e00\u500b\u5728\u7dda\u72c0\u614b\u7ba1\u7406\u7cfb\u7d71\u6642\uff0c\u6211\u5011\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<h3 id=\"1-%e7%94%a8%e6%88%b6%e7%8b%80%e6%85%8b%e7%9a%84%e5%ae%9a%e7%be%a9-sQCOxEbFMN\">1. \u7528\u6236\u72c0\u614b\u7684\u5b9a\u7fa9<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5b9a\u7fa9\u7528\u6236\u7684\u5728\u7dda\u72c0\u614b\u3002\u5e38\u898b\u7684\u72c0\u614b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5728\u7dda\uff1a<\/strong>\u7528\u6236\u7576\u524d\u6d3b\u8e8d\u3002<\/li>\n<li><strong>\u96e2\u7dda\uff1a<\/strong>\u7528\u6236\u4e0d\u5728\u7dda\u3002<\/li>\n<li><strong>\u96b1\u8eab\uff1a<\/strong>\u7528\u6236\u5728\u7dda\u4f46\u4e0d\u5e0c\u671b\u88ab\u5176\u4ed6\u4eba\u770b\u5230\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%e7%9a%84%e9%81%b8%e6%93%87-sQCOxEbFMN\">2. \u6578\u64da\u7d50\u69cb\u7684\u9078\u64c7<\/h3>\n<p>\u5728Redis\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u54c8\u5e0c\u4f86\u5b58\u5132\u7528\u6236\u7684\u72c0\u614b\u4fe1\u606f\u3002\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u7528\u6236ID\u4f5c\u70ba\u9375\uff0c\u4e26\u5c07\u72c0\u614b\u4fe1\u606f\u5b58\u5132\u70ba\u54c8\u5e0c\u7684\u5b57\u6bb5\uff1a<\/p>\n<pre><code>HSET user:1001 status online\nHSET user:1001 last_active 1633036800\n<\/code><\/pre>\n<h3 id=\"3-%e7%8b%80%e6%85%8b%e6%9b%b4%e6%96%b0%e7%9a%84%e6%a9%9f%e5%88%b6-sQCOxEbFMN\">3. \u72c0\u614b\u66f4\u65b0\u7684\u6a5f\u5236<\/h3>\n<p>\u7576\u7528\u6236\u7684\u72c0\u614b\u767c\u751f\u8b8a\u5316\u6642\uff0c\u6211\u5011\u9700\u8981\u53ca\u6642\u66f4\u65b0Redis\u4e2d\u7684\u6578\u64da\u3002\u9019\u53ef\u4ee5\u901a\u904e\u8a02\u95b1\/\u767c\u5e03\u6a21\u5f0f\u4f86\u5be6\u73fe\uff0c\u7576\u7528\u6236\u72c0\u614b\u6539\u8b8a\u6642\uff0c\u7cfb\u7d71\u6703\u767c\u5e03\u4e00\u500b\u6d88\u606f\uff0c\u6240\u6709\u8a02\u95b1\u8a72\u6d88\u606f\u7684\u670d\u52d9\u90fd\u6703\u6536\u5230\u901a\u77e5\u4e26\u66f4\u65b0\u72c0\u614b\u3002<\/p>\n<pre><code>\/\/ \u7576\u7528\u6236\u4e0a\u7dda\nHSET user:1001 status online\nPUBLISH user_status_updates \"User 1001 is now online\"\n\n\/\/ \u7576\u7528\u6236\u4e0b\u7dda\nHSET user:1001 status offline\nPUBLISH user_status_updates \"User 1001 is now offline\"\n<\/code><\/pre>\n<h3 id=\"4-%e6%95%b8%e6%93%9a%e9%81%8e%e6%9c%9f%e7%ae%a1%e7%90%86-sQCOxEbFMN\">4. \u6578\u64da\u904e\u671f\u7ba1\u7406<\/h3>\n<p>\u70ba\u4e86\u907f\u514d\u904e\u671f\u7684\u72c0\u614b\u4fe1\u606f\u4f54\u7528\u5167\u5b58\uff0c\u6211\u5011\u53ef\u4ee5\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\u3002\u4f8b\u5982\uff0c\u7576\u7528\u6236\u96e2\u7dda\u6642\uff0c\u53ef\u4ee5\u5c07\u5176\u72c0\u614b\u8a2d\u7f6e\u70ba\u904e\u671f\uff1a<\/p>\n<pre><code>HSET user:1001 status offline\nEXPIRE user:1001 3600  \/\/ 1\u5c0f\u6642\u5f8c\u904e\u671f\n<\/code><\/pre>\n<h2 id=\"%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-sQCOxEbFMN\">\u5be6\u73fe\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Python\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u4f86\u7ba1\u7406\u7528\u6236\u7684\u5728\u7dda\u72c0\u614b\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u8a2d\u7f6e\u7528\u6236\u72c0\u614b\ndef set_user_status(user_id, status):\n    r.hset(f\"user:{user_id}\", \"status\", status)\n    if status == \"offline\":\n        r.expire(f\"user:{user_id}\", 3600)  # \u8a2d\u7f6e\u904e\u671f\u6642\u9593\n\n# \u7372\u53d6\u7528\u6236\u72c0\u614b\ndef get_user_status(user_id):\n    return r.hget(f\"user:{user_id}\", \"status\")\n\n# \u4f7f\u7528\u793a\u4f8b\nset_user_status(1001, \"online\")\nprint(get_user_status(1001))  # \u8f38\u51fa: online\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-sQCOxEbFMN\">\u7e3d\u7d50<\/h2>\n<p>\u69cb\u5efa\u4e00\u500b\u5065\u58ef\u7684\u5728\u7dda\u72c0\u614b\u7ba1\u7406\u7cfb\u7d71\u9700\u8981\u8003\u616e\u591a\u65b9\u9762\u7684\u56e0\u7d20\uff0c\u5305\u62ec\u7528\u6236\u72c0\u614b\u7684\u5b9a\u7fa9\u3001\u6578\u64da\u7d50\u69cb\u7684\u9078\u64c7\u3001\u72c0\u614b\u66f4\u65b0\u7684\u6a5f\u5236\u4ee5\u53ca\u6578\u64da\u904e\u671f\u7ba1\u7406\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u8f15\u9b06\u5be6\u73fe\u9019\u4e9b\u529f\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u69cb\u5efa\u4e00\u500b\u9ad8\u6548\u7684\u5728\u7dda\u72c0\u614b\u7ba1\u7406\u7cfb\u7d71\uff0c\u5229\u7528Redis\u5b58\u5132\u7528\u6236\u5728\u7dda\u72c0\u614b\uff0c\u5be6\u73fe\u5feb\u901f\u67e5\u8a62\u548c\u5be6\u6642\u66f4\u65b0\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-158661","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/158661","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=158661"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/158661\/revisions"}],"predecessor-version":[{"id":158662,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/158661\/revisions\/158662"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=158661"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=158661"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=158661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}