{"id":193667,"date":"2024-11-13T00:06:20","date_gmt":"2024-11-12T16:06:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193667\/"},"modified":"2024-11-13T00:06:21","modified_gmt":"2024-11-12T16:06:21","slug":"%e7%a0%94%e7%a9%b6redis%e7%9a%84get%e5%91%bd%e4%bb%a4%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90%ef%bc%88redis%e7%9a%84get%e5%91%bd%e4%bb%a4%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193667\/","title":{"rendered":"\u7814\u7a76Redis\u7684get\u547d\u4ee4\u6df1\u5ea6\u89e3\u6790\uff08redis\u7684get\u547d\u4ee4\uff09"},"content":{"rendered":"<h1 id=\"%e7%a0%94%e7%a9%b6redis%e7%9a%84get%e5%91%bd%e4%bb%a4%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90-EaOZWhHIlJ\">\u7814\u7a76Redis\u7684get\u547d\u4ee4\u6df1\u5ea6\u89e3\u6790<\/h1>\n<p>Redis\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u5185\u5b58\u6570\u636e\u7ed3\u6784\u5b58\u50a8\u7cfb\u7edf\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7f13\u5b58\u3001\u6d88\u606f\u4ee3\u7406\u548c\u5b9e\u65f6\u6570\u636e\u5904\u7406\u7b49\u573a\u666f\u3002\u5728Redis\u4e2d\uff0c<code>GET<\/code>\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\u89e3\u6790Redis\u7684<code>GET<\/code>\u547d\u4ee4\uff0c\u5305\u62ec\u5176\u57fa\u672c\u7528\u6cd5\u3001\u8fd4\u56de\u503c\u3001\u9519\u8bef\u5904\u7406\u4ee5\u53ca\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\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-EaOZWhHIlJ\">GET\u547d\u4ee4\u7684\u57fa\u672c\u7528\u6cd5<\/h2>\n<p>\u5728Redis\u4e2d\uff0c<code>GET<\/code>\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\u8981\u83b7\u53d6\u503c\u7684\u952e\u540d\u3002\u6267\u884c\u8be5\u547d\u4ee4\u540e\uff0cRedis\u4f1a\u8fd4\u56de\u4e0e\u8be5\u952e\u5173\u8054\u7684\u503c\u3002\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-EaOZWhHIlJ\">\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528<code>GET<\/code>\u547d\u4ee4\uff1a<\/p>\n<pre><code>SET mykey \"Hello, Redis!\"\nGET mykey\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u9996\u5148\u4f7f\u7528<code>SET<\/code>\u547d\u4ee4\u5c06\u5b57\u7b26\u4e32\u201cHello, Redis!\u201d\u5b58\u50a8\u5728\u952e<code>mykey<\/code>\u4e2d\u3002\u63a5\u7740\uff0c\u4f7f\u7528<code>GET<\/code>\u547d\u4ee4\u83b7\u53d6\u8be5\u952e\u7684\u503c\uff0c\u8fd4\u56de\u7ed3\u679c\u5c06\u662f\u201cHello, Redis!\u201d\u3002<\/p>\n<h2 id=\"%e8%bf%94%e5%9b%9e%e5%80%bc-EaOZWhHIlJ\">\u8fd4\u56de\u503c<\/h2>\n<p><code>GET<\/code>\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<h2 id=\"%e9%94%99%e8%af%af%e5%a4%84%e7%90%86-EaOZWhHIlJ\">\u9519\u8bef\u5904\u7406<\/h2>\n<p>\u5728\u4f7f\u7528<code>GET<\/code>\u547d\u4ee4\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<ul>\n<li><strong>\u9519\u8bef\u7c7b\u578b\uff1a<\/strong>\u5982\u679c\u5c1d\u8bd5\u83b7\u53d6\u4e00\u4e2a\u975e\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u952e\uff0cRedis\u4f1a\u8fd4\u56de\u9519\u8bef\u4fe1\u606f\uff0c\u4f8b\u5982\uff1a\u201cWRONGTYPE Operation against a key holding the wrong kind of value\u201d\u3002<\/li>\n<li><strong>\u952e\u4e0d\u5b58\u5728\uff1a<\/strong>\u5982\u679c\u6307\u5b9a\u7684\u952e\u4e0d\u5b58\u5728\uff0c\u8fd4\u56de<code>(nil)<\/code>\uff0c\u8fd9\u5e76\u4e0d\u7b97\u4f5c\u9519\u8bef\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5-EaOZWhHIlJ\">\u6700\u4f73\u5b9e\u8df5<\/h2>\n<p>\u5728\u4f7f\u7528<code>GET<\/code>\u547d\u4ee4\u65f6\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n<ul>\n<li><strong>\u5408\u7406\u4f7f\u7528\u7f13\u5b58\uff1a<\/strong>\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\uff0c\u5408\u7406\u4f7f\u7528Redis\u4f5c\u4e3a\u7f13\u5b58\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u3002\u4f7f\u7528<code>GET<\/code>\u547d\u4ee4\u83b7\u53d6\u7f13\u5b58\u6570\u636e\u65f6\uff0c\u786e\u4fdd\u5728\u6570\u636e\u8fc7\u671f\u540e\u53ca\u65f6\u66f4\u65b0\u3002<\/li>\n<li><strong>\u907f\u514d\u9891\u7e41\u8bbf\u95ee\uff1a<\/strong>\u5c3d\u91cf\u51cf\u5c11\u5bf9Redis\u7684\u9891\u7e41\u8bbf\u95ee\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u5e76\u53d1\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u672c\u5730\u7f13\u5b58\u6765\u51cf\u5c11\u5bf9Redis\u7684\u8bf7\u6c42\u3002<\/li>\n<li><strong>\u76d1\u63a7\u548c\u8c03\u4f18\uff1a<\/strong>\u5b9a\u671f\u76d1\u63a7Redis\u7684\u6027\u80fd\u6307\u6807\uff0c\u53ca\u65f6\u53d1\u73b0\u5e76\u89e3\u51b3\u6f5c\u5728\u95ee\u9898\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%80%bb%e7%bb%93-EaOZWhHIlJ\">\u603b\u7ed3<\/h2>\n<p>Redis\u7684<code>GET<\/code>\u547d\u4ee4\u662f\u4e00\u4e2a\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u5de5\u5177\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u573a\u666f\u3002\u901a\u8fc7\u5408\u7406\u4f7f\u7528\u8be5\u547d\u4ee4\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u54cd\u5e94\u901f\u5ea6\u3002\u5bf9\u4e8e\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u5e94\u7528\uff0c\u9009\u62e9\u5408\u9002\u7684<code>VPS<\/code>\u89e3\u51b3\u65b9\u6848\u81f3\u5173\u91cd\u8981\u3002\u4e86\u89e3Redis\u7684\u57fa\u672c\u64cd\u4f5c\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u5c06\u6709\u52a9\u4e8e\u5f00\u53d1\u8005\u66f4\u597d\u5730\u5229\u7528\u8fd9\u4e00\u5f3a\u5927\u7684\u6570\u636e\u5b58\u50a8\u7cfb\u7edf\u3002\u5982\u679c\u60a8\u5bf9<code>\u9999\u6e2fVPS<\/code>\u6216\u5176\u4ed6\u76f8\u5173\u670d\u52a1\u611f\u5174\u8da3\uff0c\u53ef\u4ee5\u8bbf\u95ee<a href=\"https:\/\/server.hk\">Server.HK<\/a>\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u89e3\u6790Redis\u7684get\u547d\u4ee4\uff0c\u63a2\u8ba8\u5176\u7528\u6cd5\u3001\u6027\u80fd\u4f18\u5316\u53ca\u5e38\u89c1\u95ee\u9898\uff0c\u52a9\u529b\u5f00\u53d1\u8005\u9ad8\u6548\u7ba1\u7406\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-193667","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193667","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=193667"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193667\/revisions"}],"predecessor-version":[{"id":193668,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193667\/revisions\/193668"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=193667"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=193667"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=193667"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}