{"id":97224,"date":"2024-10-20T16:02:17","date_gmt":"2024-10-20T08:02:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97224\/"},"modified":"2024-10-20T16:02:18","modified_gmt":"2024-10-20T08:02:18","slug":"redis-hget%e7%94%a8%e6%b3%95%e6%b7%b1%e5%ba%a6%e6%8e%a2%e7%b4%a2%ef%bc%88redis%e7%9a%84hget%e7%94%a8%e6%b3%95%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97224\/","title":{"rendered":"Redis Hget\u7528\u6cd5\u6df1\u5ea6\u63a2\u7d22\uff08redis\u7684hget\u7528\u6cd5\uff09"},"content":{"rendered":"<h1 id=\"redis-hget%e7%94%a8%e6%b3%95%e6%b7%b1%e5%ba%a6%e6%8e%a2%e7%b4%a2%ef%bc%88redis%e7%9a%84hget%e7%94%a8%e6%b3%95%ef%bc%89-vLvaIGAffK\">Redis Hget\u7528\u6cd5\u6df1\u5ea6\u63a2\u7d22\uff08redis\u7684hget\u7528\u6cd5\uff09<\/h1>\n<p>Redis\u662f\u4e00\u79cd\u9ad8\u6027\u80fd\u7684\u952e\u503c\u5b58\u50a8\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\uff0c\u54c8\u5e0c\uff08hash\uff09\u662f\u4e00\u79cd\u975e\u5e38\u91cd\u8981\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u5c06\u591a\u4e2a\u5b57\u6bb5\u548c\u5bf9\u5e94\u7684\u503c\u5b58\u50a8\u5728\u4e00\u4e2a\u952e\u4e0b\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8Redis\u4e2d\u7684<\/p>\n<h2 id=\"hget-vLvaIGAffK\">HGET<\/h2>\n<p>\u547d\u4ee4\u53ca\u5176\u7528\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e4%b9%88%e6%98%afhget%e5%91%bd%e4%bb%a4%ef%bc%9f-vLvaIGAffK\">\u4ec0\u4e48\u662fHGET\u547d\u4ee4\uff1f<\/h2>\n<p>HGET\u547d\u4ee4\u7528\u4e8e\u4ece\u54c8\u5e0c\u4e2d\u83b7\u53d6\u6307\u5b9a\u5b57\u6bb5\u7684\u503c\u3002\u5176\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>HGET key field<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>key<\/code>\u662f\u54c8\u5e0c\u7684\u540d\u79f0\uff0c<code>field<\/code>\u662f\u8981\u83b7\u53d6\u7684\u5b57\u6bb5\u540d\u3002\u5982\u679c\u8be5\u5b57\u6bb5\u5b58\u5728\uff0cHGET\u5c06\u8fd4\u56de\u5bf9\u5e94\u7684\u503c\uff1b\u5982\u679c\u5b57\u6bb5\u4e0d\u5b58\u5728\uff0c\u5219\u8fd4\u56denil\u3002<\/p>\n<h2 id=\"hget%e5%91%bd%e4%bb%a4%e7%9a%84%e4%bd%bf%e7%94%a8%e7%a4%ba%e4%be%8b-vLvaIGAffK\">HGET\u547d\u4ee4\u7684\u4f7f\u7528\u793a\u4f8b<\/h2>\n<p>\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3HGET\u547d\u4ee4\u7684\u7528\u6cd5\uff0c\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; HSET user:1000 name \"Alice\"\n127.0.0.1:6379&gt; HSET user:1000 age 30\n127.0.0.1:6379&gt; HGET user:1000 name\n\"Alice\"\n127.0.0.1:6379&gt; HGET user:1000 age\n\"30\"\n127.0.0.1:6379&gt; HGET user:1000 email\n(nil)\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528HSET\u547d\u4ee4\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a<code>user:1000<\/code>\u7684\u54c8\u5e0c\uff0c\u5e76\u8bbe\u7f6e\u4e86\u4e24\u4e2a\u5b57\u6bb5\uff1a<code>name<\/code>\u548c<code>age<\/code>\u3002\u63a5\u7740\uff0c\u6211\u4eec\u4f7f\u7528HGET\u547d\u4ee4\u83b7\u53d6\u4e86\u8fd9\u4e24\u4e2a\u5b57\u6bb5\u7684\u503c\uff0c\u6700\u540e\u5c1d\u8bd5\u83b7\u53d6\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u5b57\u6bb5<code>email<\/code>\uff0c\u8fd4\u56de\u4e86nil\u3002<\/p>\n<h2 id=\"hget%e5%91%bd%e4%bb%a4%e7%9a%84%e5%ba%94%e7%94%a8%e5%9c%ba%e6%99%af-vLvaIGAffK\">HGET\u547d\u4ee4\u7684\u5e94\u7528\u573a\u666f<\/h2>\n<p>HGET\u547d\u4ee4\u5728\u8bb8\u591a\u573a\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5e94\u7528\u573a\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u7528\u6237\u4fe1\u606f\u5b58\u50a8\uff1a<\/strong>\u53ef\u4ee5\u5c06\u7528\u6237\u7684\u57fa\u672c\u4fe1\u606f\uff08\u5982\u59d3\u540d\u3001\u5e74\u9f84\u3001\u90ae\u7bb1\u7b49\uff09\u5b58\u50a8\u5728\u54c8\u5e0c\u4e2d\uff0c\u65b9\u4fbf\u5feb\u901f\u8bbf\u95ee\u3002<\/li>\n<li><strong>\u5546\u54c1\u5c5e\u6027\u7ba1\u7406\uff1a<\/strong>\u5728\u7535\u5546\u5e73\u53f0\u4e2d\uff0c\u53ef\u4ee5\u5c06\u5546\u54c1\u7684\u5404\u79cd\u5c5e\u6027\uff08\u5982\u4ef7\u683c\u3001\u5e93\u5b58\u3001\u63cf\u8ff0\u7b49\uff09\u5b58\u50a8\u5728\u54c8\u5e0c\u4e2d\uff0c\u4fbf\u4e8e\u7ba1\u7406\u548c\u67e5\u8be2\u3002<\/li>\n<li><strong>\u4f1a\u8bdd\u7ba1\u7406\uff1a<\/strong>\u53ef\u4ee5\u5c06\u7528\u6237\u7684\u4f1a\u8bdd\u4fe1\u606f\u5b58\u50a8\u5728\u54c8\u5e0c\u4e2d\uff0c\u4ee5\u4fbf\u5feb\u901f\u83b7\u53d6\u7528\u6237\u7684\u72b6\u6001\u548c\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h2 id=\"hget%e5%91%bd%e4%bb%a4%e7%9a%84%e6%80%a7%e8%83%bd%e4%bc%98%e5%8a%bf-vLvaIGAffK\">HGET\u547d\u4ee4\u7684\u6027\u80fd\u4f18\u52bf<\/h2>\n<p>Redis\u4f5c\u4e3a\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5176\u64cd\u4f5c\u901f\u5ea6\u975e\u5e38\u5feb\u3002HGET\u547d\u4ee4\u7684\u6027\u80fd\u4f18\u52bf\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u5feb\u901f\u8bbf\u95ee\uff1a<\/strong>\u7531\u4e8e\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0cHGET\u547d\u4ee4\u7684\u54cd\u5e94\u65f6\u95f4\u901a\u5e38\u5728\u5fae\u79d2\u7ea7\u522b\u3002<\/li>\n<li><strong>\u8282\u7701\u5185\u5b58\uff1a<\/strong>\u54c8\u5e0c\u7ed3\u6784\u53ef\u4ee5\u6709\u6548\u5730\u8282\u7701\u5185\u5b58\uff0c\u7279\u522b\u662f\u5728\u5b58\u50a8\u5927\u91cf\u5c0f\u5b57\u6bb5\u65f6\u3002<\/li>\n<li><strong>\u539f\u5b50\u64cd\u4f5c\uff1a<\/strong>HGET\u547d\u4ee4\u662f\u539f\u5b50\u64cd\u4f5c\uff0c\u786e\u4fdd\u5728\u5e76\u53d1\u73af\u5883\u4e0b\u7684\u6570\u636e\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%80%bb%e7%bb%93-vLvaIGAffK\">\u603b\u7ed3<\/h2>\n<p>Redis\u7684HGET\u547d\u4ee4\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u6570\u636e\u5b58\u50a8\u548c\u8bbf\u95ee\u573a\u666f\u3002\u901a\u8fc7\u5408\u7406\u4f7f\u7528HGET\u547d\u4ee4\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u8bbf\u95ee\u7684\u6548\u7387\u548c\u6027\u80fd\u3002\u5bf9\u4e8e\u9700\u8981\u9ad8\u6027\u80fd\u6570\u636e\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u7684\u7528\u6237\uff0c\u9009\u62e9\u5408\u9002\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\u5c06\u662f\u4e00\u4e2a\u660e\u667a\u7684\u9009\u62e9\u3002\u4e86\u89e3\u66f4\u591a\u5173\u4e8eRedis\u548c\u5176\u4ed6\u6280\u672f\u7684\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee<a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u7d22Redis HGET\u7528\u6cd5\uff0c\u4e86\u89e3\u5982\u4f55\u9ad8\u6548\u83b7\u53d6\u54c8\u5e0c\u8868\u4e2d\u7684\u5b57\u6bb5\u503c\uff0c\u63d0\u5347\u6570\u636e\u64cd\u4f5c\u6548\u7387\u4e0e\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-97224","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97224","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=97224"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97224\/revisions"}],"predecessor-version":[{"id":97225,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97224\/revisions\/97225"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}