{"id":169643,"date":"2024-11-06T19:20:08","date_gmt":"2024-11-06T11:20:08","guid":{"rendered":"https:\/\/server.hk\/cnblog\/169643\/"},"modified":"2024-11-06T19:20:09","modified_gmt":"2024-11-06T11:20:09","slug":"%e5%91%bd%e4%bb%a4%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3redis%e7%9a%84get%e5%91%bd%e4%bb%a4%ef%bc%88redis%e6%9f%a5%e7%9c%8bget%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/169643\/","title":{"rendered":"\u547d\u4ee4\u6df1\u5165\u7406\u89e3redis\u7684GET\u547d\u4ee4\uff08redis\u67e5\u770bget\uff09"},"content":{"rendered":"<h1 id=\"%e5%91%bd%e4%bb%a4%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3redis%e7%9a%84get%e5%91%bd%e4%bb%a4%ef%bc%88redis%e6%9f%a5%e7%9c%8bget%ef%bc%89-fZnWQsiAzN\">\u547d\u4ee4\u6df1\u5165\u7406\u89e3Redis\u7684GET\u547d\u4ee4\uff08redis\u67e5\u770bget\uff09<\/h1>\n<p>Redis\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u9ad8\u6027\u80fd\u952e\u503c\u6570\u636e\u5e93\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7f13\u5b58\u3001\u6d88\u606f\u961f\u5217\u548c\u5b9e\u65f6\u6570\u636e\u5904\u7406\u7b49\u573a\u666f\u3002\u5728Redis\u4e2d\uff0cGET\u547d\u4ee4\u662f\u6700\u57fa\u672c\u4e5f\u662f\u6700\u5e38\u7528\u7684\u547d\u4ee4\u4e4b\u4e00\uff0c\u7528\u4e8e\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u6307\u5b9a\u952e\u7684\u503c\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8Redis\u7684GET\u547d\u4ee4\uff0c\u5305\u62ec\u5176\u7528\u6cd5\u3001\u8fd4\u56de\u503c\u3001\u9519\u8bef\u5904\u7406\u4ee5\u53ca\u4e00\u4e9b\u5b9e\u9645\u5e94\u7528\u793a\u4f8b\u3002<\/p>\n<h2 id=\"get%e5%91%bd%e4%bb%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-fZnWQsiAzN\">GET\u547d\u4ee4\u7684\u57fa\u672c\u7528\u6cd5<\/h2>\n<p>GET\u547d\u4ee4\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>GET key<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>key<\/code>\u662f\u4f60\u60f3\u8981\u83b7\u53d6\u503c\u7684\u952e\u540d\u3002\u5982\u679c\u8be5\u952e\u5b58\u5728\uff0cRedis\u5c06\u8fd4\u56de\u4e0e\u4e4b\u5173\u8054\u7684\u503c\uff1b\u5982\u679c\u8be5\u952e\u4e0d\u5b58\u5728\uff0c\u5219\u8fd4\u56de<code>(nil)<\/code>\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-fZnWQsiAzN\">\u793a\u4f8b<\/h3>\n<p>\u5047\u8bbe\u6211\u4eec\u5728Redis\u4e2d\u5b58\u50a8\u4e86\u4e00\u4e2a\u7528\u6237\u7684\u59d3\u540d\uff0c\u952e\u540d\u4e3a<code>username<\/code>\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u83b7\u53d6\u8be5\u503c\uff1a<\/p>\n<pre><code>SET username \"Alice\"<\/code><\/pre>\n<pre><code>GET username<\/code><\/pre>\n<p>\u6267\u884c\u4e0a\u8ff0GET\u547d\u4ee4\u540e\uff0cRedis\u5c06\u8fd4\u56de<code>\"Alice\"<\/code>\u3002<\/p>\n<h2 id=\"%e8%bf%94%e5%9b%9e%e5%80%bc-fZnWQsiAzN\">\u8fd4\u56de\u503c<\/h2>\n<p>GET\u547d\u4ee4\u7684\u8fd4\u56de\u503c\u6709\u4ee5\u4e0b\u51e0\u79cd\u60c5\u51b5\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u952e\u5b58\u5728\uff0c\u8fd4\u56de\u4e0e\u8be5\u952e\u5173\u8054\u7684\u503c\u3002<\/li>\n<li>\u5982\u679c\u952e\u4e0d\u5b58\u5728\uff0c\u8fd4\u56de<code>(nil)<\/code>\u3002<\/li>\n<li>\u5982\u679c\u952e\u7684\u503c\u662f\u4e00\u4e2a\u975e\u5b57\u7b26\u4e32\u7c7b\u578b\uff08\u5982\u5217\u8868\u3001\u96c6\u5408\u7b49\uff09\uff0c\u5219\u8fd4\u56de\u9519\u8bef\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h3 id=\"%e9%94%99%e8%af%af%e5%a4%84%e7%90%86-fZnWQsiAzN\">\u9519\u8bef\u5904\u7406<\/h3>\n<p>\u5728\u4f7f\u7528GET\u547d\u4ee4\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5c1d\u8bd5\u83b7\u53d6\u4e00\u4e2a\u975e\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u952e\uff0cRedis\u4f1a\u8fd4\u56de\u4ee5\u4e0b\u9519\u8bef\u4fe1\u606f\uff1a<\/p>\n<pre><code>ERR Operation against a key holding the wrong kind of value<\/code><\/pre>\n<p>\u56e0\u6b64\uff0c\u5728\u4f7f\u7528GET\u547d\u4ee4\u4e4b\u524d\uff0c\u786e\u4fdd\u4f60\u6240\u64cd\u4f5c\u7684\u952e\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"get%e5%91%bd%e4%bb%a4%e7%9a%84%e5%ba%94%e7%94%a8%e5%9c%ba%e6%99%af-fZnWQsiAzN\">GET\u547d\u4ee4\u7684\u5e94\u7528\u573a\u666f<\/h2>\n<p>GET\u547d\u4ee4\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u6709\u8bb8\u591a\u573a\u666f\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u7528\u4f8b\uff1a<\/p>\n<ul>\n<li><strong>\u7f13\u5b58\u6570\u636e\uff1a<\/strong>\u5728Web\u5e94\u7528\u4e2d\uff0c\u5e38\u5e38\u4f7f\u7528Redis\u4f5c\u4e3a\u7f13\u5b58\u5c42\uff0c\u901a\u8fc7GET\u547d\u4ee4\u5feb\u901f\u83b7\u53d6\u7f13\u5b58\u7684\u6570\u636e\uff0c\u51cf\u5c11\u6570\u636e\u5e93\u7684\u8bbf\u95ee\u538b\u529b\u3002<\/li>\n<li><strong>\u4f1a\u8bdd\u7ba1\u7406\uff1a<\/strong>\u5728\u7528\u6237\u767b\u5f55\u540e\uff0c\u53ef\u4ee5\u5c06\u7528\u6237\u7684\u4f1a\u8bdd\u4fe1\u606f\u5b58\u50a8\u5728Redis\u4e2d\uff0c\u901a\u8fc7GET\u547d\u4ee4\u5feb\u901f\u68c0\u7d22\u7528\u6237\u7684\u4f1a\u8bdd\u72b6\u6001\u3002<\/li>\n<li><strong>\u5b9e\u65f6\u6570\u636e\u5206\u6790\uff1a<\/strong>\u5728\u5b9e\u65f6\u6570\u636e\u5904\u7406\u573a\u666f\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528GET\u547d\u4ee4\u5feb\u901f\u83b7\u53d6\u6700\u65b0\u7684\u6570\u636e\u72b6\u6001\uff0c\u652f\u6301\u5b9e\u65f6\u5206\u6790\u548c\u51b3\u7b56\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%80%bb%e7%bb%93-fZnWQsiAzN\">\u603b\u7ed3<\/h2>\n<p>Redis\u7684GET\u547d\u4ee4\u662f\u4e00\u4e2a\u7b80\u5355\u800c\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u80fd\u591f\u9ad8\u6548\u5730\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u6570\u636e\u3002\u901a\u8fc7\u7406\u89e3\u5176\u7528\u6cd5\u3001\u8fd4\u56de\u503c\u548c\u5e94\u7528\u573a\u666f\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u5229\u7528Redis\u6765\u63d0\u5347\u5e94\u7528\u7684\u6027\u80fd\u548c\u54cd\u5e94\u901f\u5ea6\u3002\u5bf9\u4e8e\u9700\u8981\u9ad8\u6548\u6570\u636e\u5b58\u53d6\u7684\u9879\u76ee\uff0c\u9009\u62e9\u5408\u9002\u7684<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u6216<code><a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a><\/code>\u89e3\u51b3\u65b9\u6848\uff0c\u5c06\u6709\u52a9\u4e8e\u5b9e\u73b0\u66f4\u597d\u7684\u7528\u6237\u4f53\u9a8c\u548c\u7cfb\u7edf\u7a33\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u7406\u89e3Redis\u7684GET\u547d\u4ee4\uff0c\u5b66\u4e60\u5982\u4f55\u6709\u6548\u67e5\u770b\u548c\u4f7f\u7528GET\u547d\u4ee4\u4ee5\u83b7\u53d6\u5b58\u50a8\u5728Redis\u4e2d\u7684\u6570\u636e\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-169643","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169643","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=169643"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169643\/revisions"}],"predecessor-version":[{"id":169644,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169643\/revisions\/169644"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=169643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=169643"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=169643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}