{"id":159087,"date":"2024-11-03T11:25:19","date_gmt":"2024-11-03T03:25:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159087\/"},"modified":"2024-11-03T11:25:20","modified_gmt":"2024-11-03T03:25:20","slug":"%e7%b4%85%e8%89%b2%e5%82%b3%e8%aa%aa%e6%a9%9f%e5%99%a8%e8%b8%a2%e4%ba%ba%ef%bc%8c%e4%ba%ba%e8%b8%a2%e6%a9%9f%e5%99%a8%ef%bc%88redis-%e7%99%bb%e9%8c%84%e4%ba%92%e8%b8%a2%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159087\/","title":{"rendered":"\u7d05\u8272\u50b3\u8aaa\u6a5f\u5668\u8e22\u4eba\uff0c\u4eba\u8e22\u6a5f\u5668\uff08Redis \u767b\u9304\u4e92\u8e22\uff09"},"content":{"rendered":"<h1 id=\"%e7%b4%85%e8%89%b2%e5%82%b3%e8%aa%aa%e6%a9%9f%e5%99%a8%e8%b8%a2%e4%ba%ba%ef%bc%8c%e4%ba%ba%e8%b8%a2%e6%a9%9f%e5%99%a8%ef%bc%88redis-%e7%99%bb%e9%8c%84%e4%ba%92%e8%b8%a2%ef%bc%89-iwVEcOlexK\">\u7d05\u8272\u50b3\u8aaa\u6a5f\u5668\u8e22\u4eba\uff0c\u4eba\u8e22\u6a5f\u5668\uff08Redis \u767b\u9304\u4e92\u8e22\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\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\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u7136\u800c\uff0c\u96a8\u8457\u4f7f\u7528\u8005\u6578\u91cf\u7684\u589e\u52a0\uff0c\u767b\u9304\u7ba1\u7406\u6210\u70ba\u4e00\u500b\u4e0d\u5bb9\u5ffd\u8996\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u767b\u9304\u4e92\u8e22\u7684\u6982\u5ff5\u53ca\u5176\u5be6\u73fe\u65b9\u5f0f\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e7%99%bb%e9%8c%84%e4%ba%92%e8%b8%a2%ef%bc%9f-iwVEcOlexK\">\u4ec0\u9ebc\u662f Redis \u767b\u9304\u4e92\u8e22\uff1f<\/h2>\n<p>Redis \u767b\u9304\u4e92\u8e22\u662f\u4e00\u7a2e\u7528\u65bc\u7ba1\u7406\u7528\u6236\u767b\u9304\u72c0\u614b\u7684\u6a5f\u5236\uff0c\u4e3b\u8981\u7528\u65bc\u9632\u6b62\u540c\u4e00\u5e33\u865f\u5728\u591a\u500b\u8a2d\u5099\u4e0a\u540c\u6642\u767b\u9304\u3002\u7576\u4e00\u500b\u7528\u6236\u5728\u65b0\u8a2d\u5099\u4e0a\u767b\u9304\u6642\uff0c\u7cfb\u7d71\u6703\u81ea\u52d5\u5c07\u4e4b\u524d\u7684\u767b\u9304\u6703\u8a71\u8e22\u51fa\uff0c\u5f9e\u800c\u4fdd\u8b77\u7528\u6236\u7684\u5e33\u865f\u5b89\u5168\u3002\u9019\u7a2e\u6a5f\u5236\u5728\u8a31\u591a\u61c9\u7528\u4e2d\u90fd\u975e\u5e38\u91cd\u8981\uff0c\u7279\u5225\u662f\u5728\u6d89\u53ca\u654f\u611f\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e7%99%bb%e9%8c%84%e4%ba%92%e8%b8%a2%ef%bc%9f-iwVEcOlexK\">\u70ba\u4ec0\u9ebc\u9700\u8981\u767b\u9304\u4e92\u8e22\uff1f<\/h2>\n<ul>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u9632\u6b62\u5e33\u865f\u88ab\u76dc\u7528\uff0c\u78ba\u4fdd\u7528\u6236\u6578\u64da\u7684\u5b89\u5168\u3002<\/li>\n<li><strong>\u7ba1\u7406\u65b9\u4fbf\uff1a<\/strong>\u7528\u6236\u53ef\u4ee5\u96a8\u6642\u63a7\u5236\u81ea\u5df1\u7684\u767b\u9304\u72c0\u614b\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u9ebb\u7169\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u6e1b\u5c11\u540c\u4e00\u5e33\u865f\u7684\u591a\u91cd\u767b\u9304\uff0c\u964d\u4f4e\u7cfb\u7d71\u8cc7\u6e90\u7684\u6d88\u8017\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be-redis-%e7%99%bb%e9%8c%84%e4%ba%92%e8%b8%a2%ef%bc%9f-iwVEcOlexK\">\u5982\u4f55\u5be6\u73fe Redis \u767b\u9304\u4e92\u8e22\uff1f<\/h2>\n<p>\u5be6\u73fe Redis \u767b\u9304\u4e92\u8e22\u7684\u57fa\u672c\u601d\u8def\u662f\u4f7f\u7528 Redis \u7684\u6578\u64da\u7d50\u69cb\u4f86\u5b58\u5132\u7528\u6236\u7684\u767b\u9304\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u5be6\u73fe\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-1%ef%bc%9a%e8%a8%ad%e7%bd%ae%e7%94%a8%e6%88%b6%e7%99%bb%e9%8c%84%e4%bf%a1%e6%81%af-iwVEcOlexK\">\u6b65\u9a5f 1\uff1a\u8a2d\u7f6e\u7528\u6236\u767b\u9304\u4fe1\u606f<\/h3>\n<p>\u7576\u7528\u6236\u767b\u9304\u6642\uff0c\u6211\u5011\u9700\u8981\u5c07\u5176\u767b\u9304\u4fe1\u606f\u5b58\u5132\u5230 Redis \u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528\u7528\u6236\u7684\u552f\u4e00\u6a19\u8b58\uff08\u5982\u7528\u6236 ID\uff09\u4f5c\u70ba\u9375\uff0c\u4e26\u5c07\u767b\u9304\u7684\u8a2d\u5099\u4fe1\u606f\uff08\u5982\u8a2d\u5099 ID \u6216 IP \u5730\u5740\uff09\u4f5c\u70ba\u503c\u3002<\/p>\n<pre><code>SET user:session:{userId} {deviceId}<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-2%ef%bc%9a%e6%aa%a2%e6%9f%a5%e7%99%bb%e9%8c%84%e7%8b%80%e6%85%8b-iwVEcOlexK\">\u6b65\u9a5f 2\uff1a\u6aa2\u67e5\u767b\u9304\u72c0\u614b<\/h3>\n<p>\u5728\u7528\u6236\u5617\u8a66\u767b\u9304\u6642\uff0c\u6211\u5011\u9700\u8981\u6aa2\u67e5\u8a72\u7528\u6236\u662f\u5426\u5df2\u7d93\u5728\u5176\u4ed6\u8a2d\u5099\u4e0a\u767b\u9304\u3002\u5982\u679c\u662f\uff0c\u5247\u9700\u8981\u5c07\u4e4b\u524d\u7684\u767b\u9304\u6703\u8a71\u8e22\u51fa\u3002<\/p>\n<pre><code>\nif EXISTS user:session:{userId}:\n    previousDeviceId = GET user:session:{userId}\n    # \u8e22\u51fa\u4e4b\u524d\u7684\u8a2d\u5099\n    # \u9019\u88e1\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9032\u884c\u8655\u7406\n    # \u4f8b\u5982\uff0c\u767c\u9001\u901a\u77e5\u6216\u76f4\u63a5\u522a\u9664\u6703\u8a71\n<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-3%ef%bc%9a%e6%9b%b4%e6%96%b0%e7%99%bb%e9%8c%84%e4%bf%a1%e6%81%af-iwVEcOlexK\">\u6b65\u9a5f 3\uff1a\u66f4\u65b0\u767b\u9304\u4fe1\u606f<\/h3>\n<p>\u5982\u679c\u7528\u6236\u7684\u767b\u9304\u8acb\u6c42\u88ab\u5141\u8a31\uff0c\u6211\u5011\u9700\u8981\u66f4\u65b0 Redis \u4e2d\u7684\u767b\u9304\u4fe1\u606f\uff0c\u4ee5\u53cd\u6620\u7576\u524d\u7684\u767b\u9304\u72c0\u614b\u3002<\/p>\n<pre><code>SET user:session:{userId} {currentDeviceId}<\/code><\/pre>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-iwVEcOlexK\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Python \u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u5be6\u73fe\u767b\u9304\u4e92\u8e22\uff1a<\/p>\n<pre><code>\nimport redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\ndef login(userId, deviceId):\n    previousDeviceId = r.get(f'user:session:{userId}')\n    if previousDeviceId:\n        print(f'\u7528\u6236 {userId} \u5728\u8a2d\u5099 {previousDeviceId} \u4e0a\u5df2\u767b\u9304\uff0c\u5c07\u5176\u8e22\u51fa\u3002')\n        # \u9019\u88e1\u53ef\u4ee5\u6dfb\u52a0\u8e22\u51fa\u908f\u8f2f\n    r.set(f'user:session:{userId}', deviceId)\n    print(f'\u7528\u6236 {userId} \u73fe\u5728\u5728\u8a2d\u5099 {deviceId} \u4e0a\u767b\u9304\u3002')\n\n# \u6e2c\u8a66\u767b\u9304\nlogin('user123', 'deviceA')\nlogin('user123', 'deviceB')\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-iwVEcOlexK\">\u7e3d\u7d50<\/h2>\n<p>Redis \u767b\u9304\u4e92\u8e22\u662f\u4e00\u7a2e\u6709\u6548\u7684\u7528\u6236\u7ba1\u7406\u6a5f\u5236\uff0c\u80fd\u5920\u63d0\u9ad8\u7cfb\u7d71\u7684\u5b89\u5168\u6027\u548c\u6027\u80fd\u3002\u901a\u904e\u5408\u7406\u5730\u4f7f\u7528 Redis \u7684\u6578\u64da\u7d50\u69cb\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u9019\u4e00\u529f\u80fd\uff0c\u5f9e\u800c\u70ba\u7528\u6236\u63d0\u4f9b\u66f4\u597d\u7684\u9ad4\u9a57\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u4f86\u8aaa\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\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u7d05\u8272\u50b3\u8aaa\u4e2d\u7684\u6a5f\u5668\u8e22\u4eba\u8207\u4eba\u8e22\u6a5f\u5668\u7684\u4e92\u52d5\uff0c\u4e86\u89e3Redis\u767b\u9304\u4e92\u8e22\u7684\u904b\u4f5c\u539f\u7406\u8207\u61c9\u7528\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-159087","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159087","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=159087"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159087\/revisions"}],"predecessor-version":[{"id":159088,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159087\/revisions\/159088"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=159087"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=159087"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=159087"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}