{"id":125267,"date":"2024-10-25T21:12:23","date_gmt":"2024-10-25T13:12:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/125267\/"},"modified":"2024-10-25T21:12:23","modified_gmt":"2024-10-25T13:12:23","slug":"redis-%e7%a6%81%e6%ad%a2%e7%94%a8%e6%88%b6%e9%87%8d%e8%a4%87%e7%99%bb%e9%8c%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/125267\/","title":{"rendered":"Redis \u7981\u6b62\u7528\u6236\u91cd\u8907\u767b\u9304"},"content":{"rendered":"<h1 id=\"redis-%e7%a6%81%e6%ad%a2%e7%94%a8%e6%88%b6%e9%87%8d%e8%a4%87%e7%99%bb%e9%8c%84-LOxHQvCtDi\">Redis \u7981\u6b62\u7528\u6236\u91cd\u8907\u767b\u9304<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u81f3\u95dc\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5305\u62ec\u7528\u6236\u6703\u8a71\u7ba1\u7406\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 Redis \u4e2d\u5be6\u73fe\u7981\u6b62\u7528\u6236\u91cd\u8907\u767b\u9304\u7684\u529f\u80fd\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u5be6\u73fe\u65b9\u6cd5\u548c\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e7%a6%81%e6%ad%a2%e9%87%8d%e8%a4%87%e7%99%bb%e9%8c%84-LOxHQvCtDi\">\u70ba\u4ec0\u9ebc\u9700\u8981\u7981\u6b62\u91cd\u8907\u767b\u9304<\/h2>\n<p>\u5728\u8a31\u591a\u61c9\u7528\u4e2d\uff0c\u7279\u5225\u662f\u91d1\u878d\u3001\u793e\u4ea4\u5a92\u9ad4\u548c\u5728\u7dda\u904a\u6232\u7b49\uff0c\u7981\u6b62\u7528\u6236\u91cd\u8907\u767b\u9304\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u5b89\u5168\u6027\u554f\u984c\uff1a<\/strong>\u91cd\u8907\u767b\u9304\u53ef\u80fd\u5c0e\u81f4\u5e33\u6236\u88ab\u76dc\u7528\uff0c\u7279\u5225\u662f\u5728\u516c\u5171\u7db2\u7d61\u74b0\u5883\u4e2d\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5982\u679c\u540c\u4e00\u7528\u6236\u5728\u591a\u500b\u8a2d\u5099\u4e0a\u540c\u6642\u767b\u9304\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u6d6a\u8cbb\uff1a<\/strong>\u91cd\u8907\u767b\u9304\u6703\u6d88\u8017\u984d\u5916\u7684\u4f3a\u670d\u5668\u8cc7\u6e90\uff0c\u5f71\u97ff\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-LOxHQvCtDi\">Redis \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis \u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u5b83\u7684\u9ad8\u6548\u6027\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7684\u9996\u9078\u3002\u4f7f\u7528 Redis \u4f86\u7ba1\u7406\u7528\u6236\u6703\u8a71\uff0c\u53ef\u4ee5\u5feb\u901f\u6aa2\u67e5\u7528\u6236\u7684\u767b\u9304\u72c0\u614b\u3002<\/p>\n<h2 id=\"%e5%af%a6%e7%8f%be%e7%a6%81%e6%ad%a2%e9%87%8d%e8%a4%87%e7%99%bb%e9%8c%84%e7%9a%84%e6%96%b9%e6%a1%88-LOxHQvCtDi\">\u5be6\u73fe\u7981\u6b62\u91cd\u8907\u767b\u9304\u7684\u65b9\u6848<\/h2>\n<p>\u8981\u5728 Redis \u4e2d\u5be6\u73fe\u7981\u6b62\u7528\u6236\u91cd\u8907\u767b\u9304\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e7%bd%ae%e7%94%a8%e6%88%b6%e7%99%bb%e9%8c%84%e7%8b%80%e6%85%8b-LOxHQvCtDi\">1. \u8a2d\u7f6e\u7528\u6236\u767b\u9304\u72c0\u614b<\/h3>\n<p>\u7576\u7528\u6236\u6210\u529f\u767b\u9304\u6642\uff0c\u53ef\u4ee5\u5c07\u7528\u6236\u7684 ID \u548c\u767b\u9304\u72c0\u614b\u5b58\u5132\u5728 Redis \u4e2d\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SET user:session:{user_id} \"logged_in\"<\/code><\/pre>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e7%94%a8%e6%88%b6%e7%99%bb%e9%8c%84%e7%8b%80%e6%85%8b-LOxHQvCtDi\">2. \u6aa2\u67e5\u7528\u6236\u767b\u9304\u72c0\u614b<\/h3>\n<p>\u5728\u7528\u6236\u5617\u8a66\u767b\u9304\u4e4b\u524d\uff0c\u9996\u5148\u6aa2\u67e5\u5176\u767b\u9304\u72c0\u614b\u3002\u5982\u679c\u7528\u6236\u5df2\u7d93\u767b\u9304\uff0c\u5247\u62d2\u7d55\u5176\u518d\u6b21\u767b\u9304\u7684\u8acb\u6c42\uff1a<\/p>\n<pre><code>IF EXISTS user:session:{user_id}\n    RETURN \"User already logged in\"\nELSE\n    SET user:session:{user_id} \"logged_in\"\nEND IF<\/code><\/pre>\n<h3 id=\"3-%e7%94%a8%e6%88%b6%e7%99%bb%e5%87%ba%e6%99%82%e6%b8%85%e9%99%a4%e7%99%bb%e9%8c%84%e7%8b%80%e6%85%8b-LOxHQvCtDi\">3. \u7528\u6236\u767b\u51fa\u6642\u6e05\u9664\u767b\u9304\u72c0\u614b<\/h3>\n<p>\u7576\u7528\u6236\u767b\u51fa\u6642\uff0c\u61c9\u8a72\u6e05\u9664\u5176\u5728 Redis \u4e2d\u7684\u767b\u9304\u72c0\u614b\uff0c\u4ee5\u4fbf\u5141\u8a31\u5176\u518d\u6b21\u767b\u9304\uff1a<\/p>\n<pre><code>DEL user:session:{user_id}<\/code><\/pre>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-LOxHQvCtDi\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u4f86\u7ba1\u7406\u7528\u6236\u767b\u9304\u72c0\u614b\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\ndef login(user_id):\n    if r.exists(f\"user:session:{user_id}\"):\n        return \"User already logged in\"\n    else:\n        r.set(f\"user:session:{user_id}\", \"logged_in\")\n        return \"Login successful\"\n\ndef logout(user_id):\n    r.delete(f\"user:session:{user_id}\")\n    return \"Logout successful\"\n\n# \u6e2c\u8a66\nprint(login(\"user123\"))  # \u767b\u9304\nprint(login(\"user123\"))  # \u91cd\u8907\u767b\u9304\nprint(logout(\"user123\"))  # \u767b\u51fa\nprint(login(\"user123\"))  # \u518d\u6b21\u767b\u9304\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-LOxHQvCtDi\">\u7d50\u8ad6<\/h2>\n<p>\u901a\u904e\u4f7f\u7528 Redis \u4f86\u7ba1\u7406\u7528\u6236\u7684\u767b\u9304\u72c0\u614b\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7981\u6b62\u7528\u6236\u91cd\u8907\u767b\u9304\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7684\u5b89\u5168\u6027\u548c\u6027\u80fd\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u7c21\u55ae\u6613\u884c\uff0c\u9084\u80fd\u5920\u5feb\u901f\u97ff\u61c9\u7528\u6236\u7684\u767b\u9304\u8acb\u6c42\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u5730\u5340\u7684\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u7981\u6b62\u7528\u6236\u91cd\u8907\u767b\u9304\uff0c\u78ba\u4fdd\u7cfb\u7d71\u5b89\u5168\u6027\u8207\u6578\u64da\u5b8c\u6574\u6027\uff0c\u9632\u6b62\u591a\u91cd\u6703\u8a71\u9020\u6210\u7684\u6f5b\u5728\u98a8\u96aa\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-125267","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125267","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=125267"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125267\/revisions"}],"predecessor-version":[{"id":125268,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125267\/revisions\/125268"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=125267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=125267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=125267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}