{"id":165519,"date":"2024-11-05T12:39:26","date_gmt":"2024-11-05T04:39:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/165519\/"},"modified":"2024-11-05T12:39:27","modified_gmt":"2024-11-05T04:39:27","slug":"%e5%ba%ab%e6%8e%a2%e7%b4%a2redis%e4%b8%ad%e4%b8%8d%e7%82%ba%e4%ba%ba%e7%9f%a5%e7%9a%84%e7%a7%98%e5%af%86%ef%bc%88%e9%81%8d%e6%ad%b7redis%e6%95%b8%e6%93%9a%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/165519\/","title":{"rendered":"\u5eab\u63a2\u7d22Redis\u4e2d\u4e0d\u70ba\u4eba\u77e5\u7684\u79d8\u5bc6\uff08\u904d\u6b77redis\u6578\u64da\uff09"},"content":{"rendered":"<h1 id=\"%e5%ba%ab%e6%8e%a2%e7%b4%a2redis%e4%b8%ad%e4%b8%8d%e7%82%ba%e4%ba%ba%e7%9f%a5%e7%9a%84%e7%a7%98%e5%af%86%ef%bc%88%e9%81%8d%e6%ad%b7redis%e6%95%b8%e6%93%9a%ef%bc%89-lvFMCMuEqY\">\u5eab\u63a2\u7d22Redis\u4e2d\u4e0d\u70ba\u4eba\u77e5\u7684\u79d8\u5bc6\uff08\u904d\u6b77redis\u6578\u64da\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u3002\u96d6\u7136Redis\u7684\u57fa\u672c\u64cd\u4f5c\u76f8\u5c0d\u7c21\u55ae\uff0c\u4f46\u5176\u5167\u90e8\u7d50\u69cb\u548c\u6578\u64da\u904d\u6b77\u7684\u65b9\u5f0f\u537b\u6709\u8a31\u591a\u4e0d\u70ba\u4eba\u77e5\u7684\u79d8\u5bc6\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684\u6578\u64da\u7d50\u69cb\uff0c\u4e26\u4ecb\u7d39\u5982\u4f55\u6709\u6548\u5730\u904d\u6b77Redis\u4e2d\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-lvFMCMuEqY\">Redis\u7684\u6578\u64da\u7d50\u69cb<\/h2>\n<p>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u6bcf\u7a2e\u6578\u64da\u7d50\u69cb\u90fd\u6709\u5176\u7279\u5b9a\u7684\u7528\u9014\u548c\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u5b57\u7b26\u4e32\uff08String\uff09<\/strong>\uff1a\u6700\u57fa\u672c\u7684\u6578\u64da\u985e\u578b\uff0c\u53ef\u4ee5\u5b58\u5132\u4efb\u4f55\u985e\u578b\u7684\u6578\u64da\uff0c\u5982\u6587\u672c\u3001\u6578\u5b57\u7b49\u3002<\/li>\n<li><strong>\u54c8\u5e0c\uff08Hash\uff09<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u5c0d\u8c61\u7684\u5c6c\u6027\uff0c\u9069\u5408\u7528\u65bc\u5b58\u5132\u7528\u6236\u4fe1\u606f\u7b49\u3002<\/li>\n<li><strong>\u5217\u8868\uff08List\uff09<\/strong>\uff1a\u6709\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u9069\u5408\u7528\u65bc\u6d88\u606f\u968a\u5217\u7b49\u5834\u666f\u3002<\/li>\n<li><strong>\u96c6\u5408\uff08Set\uff09<\/strong>\uff1a\u7121\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u652f\u6301\u96c6\u5408\u904b\u7b97\uff0c\u5982\u4ea4\u96c6\u3001\u4e26\u96c6\u7b49\u3002<\/li>\n<li><strong>\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09<\/strong>\uff1a\u6bcf\u500b\u5143\u7d20\u90fd\u6709\u4e00\u500b\u5206\u6578\uff0c\u6839\u64da\u5206\u6578\u9032\u884c\u6392\u5e8f\uff0c\u9069\u5408\u7528\u65bc\u6392\u884c\u699c\u7b49\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%81%8d%e6%ad%b7redis%e6%95%b8%e6%93%9a%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%96%b9%e6%b3%95-lvFMCMuEqY\">\u904d\u6b77Redis\u6578\u64da\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u904d\u6b77\u6578\u64da\u7684\u65b9\u5f0f\u4e3b\u8981\u4f9d\u8cf4\u65bc\u4e0d\u540c\u7684\u6578\u64da\u7d50\u69cb\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u904d\u6b77\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e9%81%8d%e6%ad%b7%e5%ad%97%e7%ac%a6%e4%b8%b2-lvFMCMuEqY\">1. \u904d\u6b77\u5b57\u7b26\u4e32<\/h3>\n<pre><code>GET key<\/code><\/pre>\n<p>\u5c0d\u65bc\u5b57\u7b26\u4e32\u985e\u578b\u7684\u6578\u64da\uff0c\u4f7f\u7528GET\u547d\u4ee4\u53ef\u4ee5\u76f4\u63a5\u7372\u53d6\u6307\u5b9a\u9375\u7684\u503c\u3002<\/p>\n<h3 id=\"2-%e9%81%8d%e6%ad%b7%e5%93%88%e5%b8%8c-lvFMCMuEqY\">2. \u904d\u6b77\u54c8\u5e0c<\/h3>\n<pre><code>HGETALL hash_key<\/code><\/pre>\n<p>\u4f7f\u7528HGETALL\u547d\u4ee4\u53ef\u4ee5\u7372\u53d6\u54c8\u5e0c\u8868\u4e2d\u6240\u6709\u7684\u9375\u503c\u5c0d\u3002<\/p>\n<h3 id=\"3-%e9%81%8d%e6%ad%b7%e5%88%97%e8%a1%a8-lvFMCMuEqY\">3. \u904d\u6b77\u5217\u8868<\/h3>\n<pre><code>LRANGE list_key 0 -1<\/code><\/pre>\n<p>LRANGE\u547d\u4ee4\u53ef\u4ee5\u7372\u53d6\u5217\u8868\u4e2d\u6307\u5b9a\u7bc4\u570d\u7684\u5143\u7d20\uff0c0\u5230-1\u8868\u793a\u7372\u53d6\u6240\u6709\u5143\u7d20\u3002<\/p>\n<h3 id=\"4-%e9%81%8d%e6%ad%b7%e9%9b%86%e5%90%88-lvFMCMuEqY\">4. \u904d\u6b77\u96c6\u5408<\/h3>\n<pre><code>SMEMBERS set_key<\/code><\/pre>\n<p>SMEMBERS\u547d\u4ee4\u53ef\u4ee5\u7372\u53d6\u96c6\u5408\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002<\/p>\n<h3 id=\"5-%e9%81%8d%e6%ad%b7%e6%9c%89%e5%ba%8f%e9%9b%86%e5%90%88-lvFMCMuEqY\">5. \u904d\u6b77\u6709\u5e8f\u96c6\u5408<\/h3>\n<pre><code>ZREVRANGE sorted_set_key 0 -1 WITHSCORES<\/code><\/pre>\n<p>ZREVRANGE\u547d\u4ee4\u53ef\u4ee5\u7372\u53d6\u6709\u5e8f\u96c6\u5408\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u4e26\u6839\u64da\u5206\u6578\u9032\u884c\u6392\u5e8f\u3002<\/p>\n<h2 id=\"redis%e7%9a%84scan%e5%91%bd%e4%bb%a4-lvFMCMuEqY\">Redis\u7684SCAN\u547d\u4ee4<\/h2>\n<p>\u9664\u4e86\u4e0a\u8ff0\u7684\u57fa\u672c\u904d\u6b77\u65b9\u6cd5\uff0cRedis\u9084\u63d0\u4f9b\u4e86SCAN\u547d\u4ee4\uff0c\u9019\u662f\u4e00\u7a2e\u66f4\u70ba\u9ad8\u6548\u7684\u904d\u6b77\u65b9\u5f0f\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002SCAN\u547d\u4ee4\u7684\u512a\u52e2\u5728\u65bc\u5b83\u4e0d\u6703\u4e00\u6b21\u6027\u8fd4\u56de\u6240\u6709\u6578\u64da\uff0c\u800c\u662f\u5206\u6279\u8fd4\u56de\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\u3002<\/p>\n<pre><code>SCAN cursor<\/code><\/pre>\n<p>\u4f7f\u7528SCAN\u547d\u4ee4\u6642\uff0ccursor\u53c3\u6578\u7528\u65bc\u6307\u793a\u7576\u524d\u7684\u6e38\u6a19\u4f4d\u7f6e\u3002\u6bcf\u6b21\u8abf\u7528SCAN\u547d\u4ee4\u6642\uff0cRedis\u6703\u8fd4\u56de\u4e00\u500b\u65b0\u7684\u6e38\u6a19\uff0c\u76f4\u5230\u6e38\u6a19\u70ba0\u6642\u8868\u793a\u904d\u6b77\u7d50\u675f\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e4%bd%bf%e7%94%a8scan%e9%81%8d%e6%ad%b7%e6%89%80%e6%9c%89%e9%8d%b5-lvFMCMuEqY\">\u793a\u4f8b\uff1a\u4f7f\u7528SCAN\u904d\u6b77\u6240\u6709\u9375<\/h2>\n<pre><code>\nlet cursor = 0;\ndo {\n    const result = await redis.scan(cursor);\n    cursor = result[0]; \/\/ \u66f4\u65b0\u6e38\u6a19\n    const keys = result[1]; \/\/ \u7372\u53d6\u7576\u524d\u6279\u6b21\u7684\u9375\n    \/\/ \u8655\u7406\u9375\n} while (cursor !== '0');\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528SCAN\u547d\u4ee4\u904d\u6b77Redis\u4e2d\u7684\u6240\u6709\u9375\u3002\u901a\u904e\u4e0d\u65b7\u66f4\u65b0\u6e38\u6a19\uff0c\u76f4\u5230\u6e38\u6a19\u70ba0\uff0c\u4fbf\u53ef\u4ee5\u5b8c\u6210\u6574\u500b\u904d\u6b77\u904e\u7a0b\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-lvFMCMuEqY\">\u7e3d\u7d50<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u5eab\uff0c\u5176\u591a\u6a23\u7684\u6578\u64da\u7d50\u69cb\u548c\u904d\u6b77\u65b9\u6cd5\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u9748\u6d3b\u5730\u8655\u7406\u5404\u7a2e\u6578\u64da\u9700\u6c42\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u57fa\u672c\u7684\u547d\u4ee4\u9084\u662f\u9ad8\u6548\u7684SCAN\u547d\u4ee4\uff0c\u4e86\u89e3\u9019\u4e9b\u904d\u6b77\u6280\u5de7\u90fd\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u5229\u7528Redis\u7684\u6f5b\u529b\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u4f86\u90e8\u7f72\u60a8\u7684Redis\u6578\u64da\u5eab\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u7684\u96b1\u79d8\u529f\u80fd\uff0c\u6df1\u5165\u904d\u6b77\u6578\u64da\uff0c\u63ed\u793a\u4e0d\u70ba\u4eba\u77e5\u7684\u79d8\u5bc6\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u8207\u6027\u80fd\u512a\u5316\u6280\u5de7\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-165519","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165519","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=165519"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165519\/revisions"}],"predecessor-version":[{"id":165520,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165519\/revisions\/165520"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=165519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=165519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=165519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}