{"id":126179,"date":"2024-10-26T02:34:20","date_gmt":"2024-10-25T18:34:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/126179\/"},"modified":"2024-10-26T02:34:21","modified_gmt":"2024-10-25T18:34:21","slug":"redis-%e9%9d%88%e6%b4%bb%e6%87%89%e7%94%a8%e5%9f%ba%e6%96%bc%e7%94%a8%e6%88%b6%e5%90%8d%e6%9f%a5%e8%a9%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/126179\/","title":{"rendered":"Redis \u9748\u6d3b\u61c9\u7528\u57fa\u65bc\u7528\u6236\u540d\u67e5\u8a62"},"content":{"rendered":"<h1 id=\"redis-%e9%9d%88%e6%b4%bb%e6%87%89%e7%94%a8%e5%9f%ba%e6%96%bc%e7%94%a8%e6%88%b6%e5%90%8d%e6%9f%a5%e8%a9%a2-TvpghwLTSa\">Redis \u9748\u6d3b\u61c9\u7528\u57fa\u65bc\u7528\u6236\u540d\u67e5\u8a62<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u5c0d\u65bc\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u61c9\u7528\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u9032\u884c\u57fa\u65bc\u7528\u6236\u540d\u7684\u67e5\u8a62\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"redis-%e7%b0%a1%e4%bb%8b-TvpghwLTSa\">Redis \u7c21\u4ecb<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\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\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u901f\u5ea6\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%9f%ba%e6%96%bc%e7%94%a8%e6%88%b6%e5%90%8d%e7%9a%84%e6%9f%a5%e8%a9%a2%e9%9c%80%e6%b1%82-TvpghwLTSa\">\u57fa\u65bc\u7528\u6236\u540d\u7684\u67e5\u8a62\u9700\u6c42<\/h2>\n<p>\u5728\u8a31\u591a\u61c9\u7528\u4e2d\uff0c\u57fa\u65bc\u7528\u6236\u540d\u7684\u67e5\u8a62\u662f\u5e38\u898b\u7684\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u3001\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u548c\u5728\u7dda\u904a\u6232\u7b49\u90fd\u9700\u8981\u5feb\u901f\u67e5\u627e\u7528\u6236\u4fe1\u606f\u3002\u50b3\u7d71\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u5728\u8655\u7406\u9019\u985e\u67e5\u8a62\u6642\uff0c\u53ef\u80fd\u6703\u9762\u81e8\u6027\u80fd\u74f6\u9838\uff0c\u800c Redis \u5247\u80fd\u5920\u63d0\u4f9b\u66f4\u5feb\u7684\u67e5\u8a62\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-redis-%e5%84%b2%e5%ad%98%e7%94%a8%e6%88%b6%e4%bf%a1%e6%81%af-TvpghwLTSa\">\u4f7f\u7528 Redis \u5132\u5b58\u7528\u6236\u4fe1\u606f<\/h2>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5c07\u7528\u6236\u4fe1\u606f\u5b58\u5132\u5230 Redis \u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5c07\u7528\u6236\u540d\u548c\u76f8\u95dc\u4fe1\u606f\u5b58\u5132\u70ba\u54c8\u5e0c\u8868\uff1a<\/p>\n<pre><code>SET user:1000:name \"Alice\"\nSET user:1000:email \"alice@example.com\"\nSET user:1000:age \"30\"<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 `SET` \u547d\u4ee4\u5c07\u7528\u6236\u7684\u59d3\u540d\u3001\u96fb\u5b50\u90f5\u4ef6\u548c\u5e74\u9f61\u5b58\u5132\u5728 Redis \u4e2d\u3002\u9019\u6a23\uff0c\u6211\u5011\u53ef\u4ee5\u901a\u904e\u7528\u6236 ID \u5feb\u901f\u6aa2\u7d22\u7528\u6236\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%96%bc%e7%94%a8%e6%88%b6%e5%90%8d%e7%9a%84%e6%9f%a5%e8%a9%a2%e5%af%a6%e7%8f%be-TvpghwLTSa\">\u57fa\u65bc\u7528\u6236\u540d\u7684\u67e5\u8a62\u5be6\u73fe<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u5c55\u793a\u5982\u4f55\u6839\u64da\u7528\u6236\u540d\u9032\u884c\u67e5\u8a62\u3002\u5047\u8a2d\u6211\u5011\u5df2\u7d93\u6709\u4e00\u500b\u7528\u6236\u540d\u7684\u5217\u8868\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 Redis \u7684 `SCAN` \u547d\u4ee4\u4f86\u67e5\u627e\u5339\u914d\u7684\u7528\u6236\u540d\uff1a<\/p>\n<pre><code>SCAN 0 MATCH user:*:name COUNT 100<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u8fd4\u56de\u6240\u6709\u4ee5 `user:` \u958b\u982d\u7684\u9375\uff0c\u4e26\u4e14\u6211\u5011\u53ef\u4ee5\u5728\u61c9\u7528\u5c64\u9032\u884c\u904e\u6ffe\uff0c\u4ee5\u627e\u5230\u7279\u5b9a\u7684\u7528\u6236\u540d\u3002<\/p>\n<h3 id=\"%e6%9f%a5%e8%a9%a2%e7%a4%ba%e4%be%8b-TvpghwLTSa\">\u67e5\u8a62\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u65bc\u7528\u6236\u540d\u67e5\u8a62\u7684\u5b8c\u6574\u793a\u4f8b\uff1a<\/p>\n<pre><code>def find_user_by_name(redis_client, username):\n    cursor = 0\n    while True:\n        cursor, keys = redis_client.scan(cursor, match='user:*:name', count=100)\n        for key in keys:\n            if redis_client.get(key).decode('utf-8') == username:\n                user_id = key.split(':')[1]\n                return {\n                    'id': user_id,\n                    'name': username,\n                    'email': redis_client.get(f'user:{user_id}:email').decode('utf-8'),\n                    'age': redis_client.get(f'user:{user_id}:age').decode('utf-8')\n                }\n        if cursor == 0:\n            break\n    return None<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u51fd\u6578 `find_user_by_name`\uff0c\u5b83\u63a5\u53d7 Redis \u5ba2\u6236\u7aef\u548c\u7528\u6236\u540d\u4f5c\u70ba\u53c3\u6578\uff0c\u4e26\u8fd4\u56de\u5339\u914d\u7684\u7528\u6236\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e5%84%aa%e5%8b%a2-TvpghwLTSa\">\u6027\u80fd\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528 Redis \u9032\u884c\u57fa\u65bc\u7528\u6236\u540d\u7684\u67e5\u8a62\u6709\u591a\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u5feb\u901f\u67e5\u8a62\uff1a<\/strong>\u7531\u65bc Redis \u662f\u57fa\u65bc\u5167\u5b58\u7684\u6578\u64da\u5eab\uff0c\u67e5\u8a62\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u80fd\u5920\u6eff\u8db3\u9ad8\u4e26\u767c\u7684\u9700\u6c42\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>Redis \u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u5b58\u5132\u65b9\u5f0f\u3002<\/li>\n<li><strong>\u64f4\u5c55\u6027\uff1a<\/strong>Redis \u53ef\u4ee5\u8f15\u9b06\u5730\u9032\u884c\u6c34\u5e73\u64f4\u5c55\uff0c\u9069\u5408\u5927\u898f\u6a21\u61c9\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-TvpghwLTSa\">\u7e3d\u7d50<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u7684\u65b9\u5f0f\u4f86\u9032\u884c\u57fa\u65bc\u7528\u6236\u540d\u7684\u67e5\u8a62\uff0c\u9069\u5408\u5404\u985e\u578b\u7684\u61c9\u7528\u5834\u666f\u3002\u901a\u904e\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u548c\u5feb\u901f\u7684\u67e5\u8a62\u6027\u80fd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u7528\u6236\u4fe1\u606f\u7684\u5b58\u53d6\u3002\u82e5\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u5be6\u73fe Redis \u67e5\u8a62\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u642d\u5efa\u60a8\u7684 Redis \u74b0\u5883\uff0c\u4eab\u53d7\u66f4\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528 Redis \u9032\u884c\u9748\u6d3b\u7684\u7528\u6236\u540d\u67e5\u8a62\uff0c\u63d0\u5347\u6578\u64da\u6aa2\u7d22\u6548\u7387\uff0c\u512a\u5316\u61c9\u7528\u6027\u80fd\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-126179","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126179","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=126179"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126179\/revisions"}],"predecessor-version":[{"id":126180,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126179\/revisions\/126180"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=126179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=126179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=126179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}