{"id":100794,"date":"2024-10-22T10:10:15","date_gmt":"2024-10-22T02:10:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/100794\/"},"modified":"2024-10-22T10:10:16","modified_gmt":"2024-10-22T02:10:16","slug":"redis-%e7%ae%a1%e7%90%86%e5%90%8c%e6%99%82%e5%9c%a8%e7%b7%9a%e4%ba%ba%e6%95%b8%e7%9a%84%e6%8a%80%e8%a1%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/100794\/","title":{"rendered":"Redis \u7ba1\u7406\u540c\u6642\u5728\u7dda\u4eba\u6578\u7684\u6280\u8853"},"content":{"rendered":"<h1 id=\"redis-%e7%ae%a1%e7%90%86%e5%90%8c%e6%99%82%e5%9c%a8%e7%b7%9a%e4%ba%ba%e6%95%b8%e7%9a%84%e6%8a%80%e8%a1%93-ZysdSgyHVd\">Redis \u7ba1\u7406\u540c\u6642\u5728\u7dda\u4eba\u6578\u7684\u6280\u8853<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u5be6\u6642\u6578\u64da\u8655\u7406\u548c\u9ad8\u6548\u7684\u7528\u6236\u7ba1\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u5c24\u5176\u662f\u5728\u793e\u4ea4\u5a92\u9ad4\u3001\u5728\u7dda\u904a\u6232\u548c\u5373\u6642\u901a\u8a0a\u7b49\u61c9\u7528\u4e2d\uff0c\u7ba1\u7406\u540c\u6642\u5728\u7dda\u4eba\u6578\u7684\u9700\u6c42\u65e5\u76ca\u589e\u52a0\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6578\u64da\u7d50\u69cb\u548c\u64cd\u4f5c\uff0c\u80fd\u5920\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002<\/p>\n<h2 id=\"redis-%e7%b0%a1%e4%bb%8b-ZysdSgyHVd\">Redis \u7c21\u4ecb<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u7a2e\u958b\u6e90\u7684\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\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e5%90%8c%e6%99%82%e5%9c%a8%e7%b7%9a%e4%ba%ba%e6%95%b8%e7%9a%84%e6%8c%91%e6%88%b0-ZysdSgyHVd\">\u540c\u6642\u5728\u7dda\u4eba\u6578\u7684\u6311\u6230<\/h2>\n<p>\u5728\u8a31\u591a\u61c9\u7528\u4e2d\uff0c\u6e96\u78ba\u5730\u8a08\u7b97\u548c\u7ba1\u7406\u540c\u6642\u5728\u7dda\u4eba\u6578\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u9019\u4e0d\u50c5\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u50b3\u7d71\u7684\u6578\u64da\u5eab\u5728\u8655\u7406\u9ad8\u4e26\u767c\u8acb\u6c42\u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u6027\u80fd\u74f6\u9838\uff0c\u800c Redis \u7684\u9ad8\u6548\u6027\u4f7f\u5176\u6210\u70ba\u89e3\u6c7a\u6b64\u554f\u984c\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-redis-%e7%ae%a1%e7%90%86%e5%90%8c%e6%99%82%e5%9c%a8%e7%b7%9a%e4%ba%ba%e6%95%b8-ZysdSgyHVd\">\u4f7f\u7528 Redis \u7ba1\u7406\u540c\u6642\u5728\u7dda\u4eba\u6578<\/h2>\n<p>\u4f7f\u7528 Redis \u7ba1\u7406\u540c\u6642\u5728\u7dda\u4eba\u6578\u7684\u57fa\u672c\u601d\u8def\u662f\u5229\u7528\u5176\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\u548c\u64cd\u4f5c\u4f86\u5be6\u73fe\u7528\u6236\u7684\u767b\u9304\u548c\u767b\u51fa\u4e8b\u4ef6\u7684\u8a18\u9304\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u5be6\u73fe\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e9%9b%86%e5%90%88%ef%bc%88set%ef%bc%89-ZysdSgyHVd\">1. \u4f7f\u7528\u96c6\u5408\uff08Set\uff09<\/h3>\n<p>Redis \u7684\u96c6\u5408\u662f\u4e00\u7a2e\u7121\u5e8f\u7684\u6578\u64da\u7d50\u69cb\uff0c\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u552f\u4e00\u7684\u7528\u6236 ID\u3002\u7576\u7528\u6236\u767b\u9304\u6642\uff0c\u53ef\u4ee5\u5c07\u5176 ID \u6dfb\u52a0\u5230\u96c6\u5408\u4e2d\uff1b\u7576\u7528\u6236\u767b\u51fa\u6642\uff0c\u5247\u5c07\u5176 ID \u5f9e\u96c6\u5408\u4e2d\u522a\u9664\u3002\u9019\u6a23\uff0c\u6211\u5011\u53ef\u4ee5\u901a\u904e\u96c6\u5408\u7684\u5927\u5c0f\u4f86\u7372\u53d6\u7576\u524d\u5728\u7dda\u4eba\u6578\u3002<\/p>\n<pre><code> \n\/\/ \u7528\u6236\u767b\u9304\nSADD online_users user_id;\n\n\/\/ \u7528\u6236\u767b\u51fa\nSREM online_users user_id;\n\n\/\/ \u7372\u53d6\u7576\u524d\u5728\u7dda\u4eba\u6578\nSCARD online_users;\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e9%81%8e%e6%9c%9f%e9%8d%b5%ef%bc%88expire%ef%bc%89-ZysdSgyHVd\">2. \u4f7f\u7528\u904e\u671f\u9375\uff08Expire\uff09<\/h3>\n<p>\u70ba\u4e86\u907f\u514d\u56e0\u70ba\u7528\u6236\u672a\u6b63\u5e38\u767b\u51fa\u800c\u5c0e\u81f4\u7684\u5728\u7dda\u4eba\u6578\u8a08\u7b97\u4e0d\u6e96\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u904e\u671f\u9375\u529f\u80fd\u3002\u7576\u7528\u6236\u767b\u9304\u6642\uff0c\u9664\u4e86\u5c07\u5176 ID \u6dfb\u52a0\u5230\u96c6\u5408\u4e2d\uff0c\u6211\u5011\u9084\u53ef\u4ee5\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u9019\u6a23\u5373\u4f7f\u7528\u6236\u672a\u767b\u51fa\uff0c\u904e\u4e86\u4e00\u6bb5\u6642\u9593\u5f8c\u5176 ID \u4e5f\u6703\u81ea\u52d5\u88ab\u522a\u9664\u3002<\/p>\n<pre><code>\n\/\/ \u7528\u6236\u767b\u9304\nSADD online_users user_id;\nEXPIRE online_users user_id 3600; \/\/ \u8a2d\u7f6e\u904e\u671f\u6642\u9593\u70ba 1 \u5c0f\u6642\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e5%93%88%e5%b8%8c%ef%bc%88hash%ef%bc%89-ZysdSgyHVd\">3. \u4f7f\u7528\u54c8\u5e0c\uff08Hash\uff09<\/h3>\n<p>\u5982\u679c\u9700\u8981\u5b58\u5132\u66f4\u591a\u7684\u7528\u6236\u4fe1\u606f\uff08\u5982\u767b\u9304\u6642\u9593\u3001\u7528\u6236\u72c0\u614b\u7b49\uff09\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u54c8\u5e0c\u7d50\u69cb\u3002\u6bcf\u500b\u7528\u6236\u7684 ID \u4f5c\u70ba\u54c8\u5e0c\u7684\u9375\uff0c\u76f8\u95dc\u4fe1\u606f\u4f5c\u70ba\u54c8\u5e0c\u7684\u5b57\u6bb5\u3002\u9019\u6a23\u53ef\u4ee5\u65b9\u4fbf\u5730\u7ba1\u7406\u548c\u67e5\u8a62\u7528\u6236\u7684\u8a73\u7d30\u4fe1\u606f\u3002<\/p>\n<pre><code>\n\/\/ \u7528\u6236\u767b\u9304\nHSET user_info:user_id login_time current_time;\nHSET user_info:user_id status \"online\";\n\n\/\/ \u7528\u6236\u767b\u51fa\nHSET user_info:user_id status \"offline\";\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-ZysdSgyHVd\">\u7d50\u8ad6<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u548c\u64cd\u4f5c\uff0c\u4f7f\u5f97\u7ba1\u7406\u540c\u6642\u5728\u7dda\u4eba\u6578\u8b8a\u5f97\u9ad8\u6548\u800c\u7c21\u55ae\u3002\u901a\u904e\u4f7f\u7528\u96c6\u5408\u3001\u904e\u671f\u9375\u548c\u54c8\u5e0c\u7b49\u529f\u80fd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u6e96\u78ba\u7684\u5728\u7dda\u4eba\u6578\u7d71\u8a08\uff0c\u5f9e\u800c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u548c\u7cfb\u7d71\u6027\u80fd\u3002<\/p>\n<p>\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7121\u8ad6\u662f\u4f7f\u7528 Redis \u9084\u662f\u5176\u4ed6\u6280\u8853\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u90fd\u662f\u6210\u529f\u7684\u95dc\u9375\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u5982\u4f55\u9ad8\u6548\u7ba1\u7406\u540c\u6642\u5728\u7dda\u4eba\u6578\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u7528\u6236\u9ad4\u9a57\uff0c\u5be6\u73fe\u5373\u6642\u6578\u64da\u8655\u7406\u8207\u5206\u6790\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-100794","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/100794","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=100794"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/100794\/revisions"}],"predecessor-version":[{"id":100795,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/100794\/revisions\/100795"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=100794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=100794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=100794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}