{"id":196498,"date":"2024-11-14T00:06:22","date_gmt":"2024-11-13T16:06:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/196498\/"},"modified":"2024-11-14T00:06:23","modified_gmt":"2024-11-13T16:06:23","slug":"%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%e4%bd%bf%e7%94%a8redis%e8%bc%95%e9%ac%86%e7%8d%b2%e5%8f%96%e6%89%80%e6%9c%89%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%ef%bc%88redis%e7%8d%b2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/196498\/","title":{"rendered":"\u4e2d\u7684\u6578\u64da\u4f7f\u7528Redis\u8f15\u9b06\u7372\u53d6\u6240\u6709\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff08redis\u7372\u53d6\u6240\u6709\u7684db\uff09"},"content":{"rendered":"<h1 id=\"%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%e4%bd%bf%e7%94%a8redis%e8%bc%95%e9%ac%86%e7%8d%b2%e5%8f%96%e6%89%80%e6%9c%89%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%ef%bc%88redis%e7%8d%b2-mwINliLEOq\">\u4e2d\u7684\u6578\u64da\u4f7f\u7528Redis\u8f15\u9b06\u7372\u53d6\u6240\u6709\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff08redis\u7372\u53d6\u6240\u6709\u7684db\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\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\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u6578\u64da\u7684\u61c9\u7528\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u8f15\u9b06\u7372\u53d6\u6240\u6709\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%ef%bc%9f-mwINliLEOq\">\u4ec0\u9ebc\u662fRedis\uff1f<\/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\u7b49\u3002\u5b83\u7684\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u9078\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u3002Redis\u7684\u6578\u64da\u6301\u4e45\u5316\u529f\u80fd\u4e5f\u4f7f\u5f97\u6578\u64da\u5728\u91cd\u555f\u5f8c\u4e0d\u6703\u4e1f\u5931\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"redis%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab-mwINliLEOq\">Redis\u4e2d\u7684\u6578\u64da\u5eab<\/h2>\n<p>Redis\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\u63d0\u4f9b16\u500b\u6578\u64da\u5eab\uff0c\u9019\u4e9b\u6578\u64da\u5eab\u7684\u7d22\u5f15\u5f9e0\u523015\u3002\u7528\u6236\u53ef\u4ee5\u6839\u64da\u9700\u8981\u5728\u9019\u4e9b\u6578\u64da\u5eab\u4e4b\u9593\u5207\u63db\u3002\u6bcf\u500b\u6578\u64da\u5eab\u90fd\u662f\u7368\u7acb\u7684\uff0c\u9019\u610f\u5473\u8457\u5728\u4e00\u500b\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u7684\u6578\u64da\u4e0d\u6703\u5f71\u97ff\u5230\u5176\u4ed6\u6578\u64da\u5eab\u3002<\/p>\n<h3 id=\"%e5%a6%82%e4%bd%95%e7%8d%b2%e5%8f%96%e6%89%80%e6%9c%89%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a-mwINliLEOq\">\u5982\u4f55\u7372\u53d6\u6240\u6709\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da<\/h3>\n<p>\u8981\u7372\u53d6Redis\u4e2d\u6240\u6709\u6578\u64da\u5eab\u7684\u6578\u64da\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u5982\u4f55\u904d\u6b77\u6bcf\u500b\u6578\u64da\u5eab\u4e26\u63d0\u53d6\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u9023\u63a5\u5230Redis\u670d\u52d9\u5668\u3002<\/li>\n<li>\u904d\u6b77\u6bcf\u500b\u6578\u64da\u5eab\u3002<\/li>\n<li>\u4f7f\u7528SCAN\u547d\u4ee4\u7372\u53d6\u6bcf\u500b\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u9375\u3002<\/li>\n<li>\u6839\u64da\u9375\u7372\u53d6\u5c0d\u61c9\u7684\u503c\u3002<\/li>\n<\/ol>\n<h4 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-mwINliLEOq\">\u793a\u4f8b\u4ee3\u78bc<\/h4>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\u670d\u52d9\u5668\nclient = redis.StrictRedis(host='localhost', port=6379, db=0)\n\n# \u7372\u53d6\u6240\u6709\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\nfor db_index in range(16):  # \u5047\u8a2d\u670916\u500b\u6578\u64da\u5eab\n    client.execute_command('SELECT', db_index)  # \u5207\u63db\u5230\u6307\u5b9a\u6578\u64da\u5eab\n    cursor = 0\n    keys = []\n\n    # \u4f7f\u7528SCAN\u547d\u4ee4\u7372\u53d6\u6240\u6709\u9375\n    while True:\n        cursor, partial_keys = client.scan(cursor)\n        keys.extend(partial_keys)\n        if cursor == 0:\n            break\n\n    # \u7372\u53d6\u6bcf\u500b\u9375\u7684\u503c\n    for key in keys:\n        value = client.get(key)\n        print(f'DB {db_index} - Key: {key.decode(\"utf-8\")}, Value: {value.decode(\"utf-8\") if value else None}')\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9023\u63a5\u5230Redis\u670d\u52d9\u5668\uff0c\u7136\u5f8c\u904d\u6b77\u6bcf\u500b\u6578\u64da\u5eab\u3002\u4f7f\u7528SCAN\u547d\u4ee4\u53ef\u4ee5\u6709\u6548\u5730\u7372\u53d6\u6240\u6709\u9375\uff0c\u9019\u6bd4\u4f7f\u7528KEYS\u547d\u4ee4\u66f4\u70ba\u9ad8\u6548\uff0c\u56e0\u70baSCAN\u547d\u4ee4\u4e0d\u6703\u963b\u585eRedis\u670d\u52d9\u5668\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-mwINliLEOq\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fddRedis\u670d\u52d9\u5668\u7684\u914d\u7f6e\u5141\u8a31\u8a2a\u554f\u591a\u500b\u6578\u64da\u5eab\u3002<\/li>\n<li>\u5728\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u907f\u514d\u4f7f\u7528KEYS\u547d\u4ee4\uff0c\u56e0\u70ba\u5b83\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u3002<\/li>\n<li>\u5b9a\u671f\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-mwINliLEOq\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Redis\u7372\u53d6\u6240\u6709\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u53ea\u9700\u5e7e\u884c\u4ee3\u78bc\u5373\u53ef\u5be6\u73fe\u3002\u901a\u904e\u904d\u6b77\u6578\u64da\u5eab\u4e26\u4f7f\u7528SCAN\u547d\u4ee4\uff0c\u6211\u5011\u53ef\u4ee5\u9ad8\u6548\u5730\u7372\u53d6\u6240\u9700\u7684\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u7684\u61c9\u7528\uff0cRedis\u7121\u7591\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528Redis\u8f15\u9b06\u7372\u53d6\u6240\u6709\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u8207\u67e5\u8a62\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u9748\u6d3b\u6027\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-196498","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196498","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=196498"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196498\/revisions"}],"predecessor-version":[{"id":196499,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196498\/revisions\/196499"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=196498"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=196498"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=196498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}