{"id":128745,"date":"2024-10-26T16:26:19","date_gmt":"2024-10-26T08:26:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128745\/"},"modified":"2024-10-26T16:26:19","modified_gmt":"2024-10-26T08:26:19","slug":"redis%e5%af%a6%e7%8f%be%e5%bf%ab%e9%80%9f%e7%9a%84hdel%e6%93%8d%e4%bd%9c%ef%bc%88redis%e7%8d%b2%e5%8f%96hdel%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128745\/","title":{"rendered":"Redis\u5be6\u73fe\u5feb\u901f\u7684HDEL\u64cd\u4f5c\uff08redis\u7372\u53d6hdel\uff09"},"content":{"rendered":"<h1 id=\"redis%e5%af%a6%e7%8f%be%e5%bf%ab%e9%80%9f%e7%9a%84hdel%e6%93%8d%e4%bd%9c%ef%bc%88redis%e7%8d%b2%e5%8f%96hdel%ef%bc%89-Wcxxpaicji\">Redis\u5be6\u73fe\u5feb\u901f\u7684HDEL\u64cd\u4f5c\uff08redis\u7372\u53d6hdel\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u3002\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u6578\u64da\u7684\u61c9\u7528\u4e2d\uff0cRedis\u7684\u6027\u80fd\u8868\u73fe\u5c24\u70ba\u7a81\u51fa\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u4e2d\u7684HDEL\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afhdel%e6%93%8d%e4%bd%9c%ef%bc%9f-Wcxxpaicji\">\u4ec0\u9ebc\u662fHDEL\u64cd\u4f5c\uff1f<\/h2>\n<p>HDEL\u662fRedis\u4e2d\u7528\u65bc\u522a\u9664\u54c8\u5e0c\u8868\u4e2d\u4e00\u500b\u6216\u591a\u500b\u5b57\u6bb5\u7684\u547d\u4ee4\u3002\u54c8\u5e0c\u8868\u662f\u4e00\u7a2e\u9375\u503c\u5c0d\u7684\u96c6\u5408\uff0c\u9069\u5408\u7528\u4f86\u5b58\u5132\u5c0d\u8c61\u7684\u5c6c\u6027\u3002HDEL\u547d\u4ee4\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>HDEL key field1 [field2 ...]<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>key<\/code>\u662f\u54c8\u5e0c\u8868\u7684\u540d\u7a31\uff0c<code>field1<\/code>\u3001<code>field2<\/code>\u7b49\u662f\u9700\u8981\u522a\u9664\u7684\u5b57\u6bb5\u540d\u3002HDEL\u547d\u4ee4\u8fd4\u56de\u522a\u9664\u7684\u5b57\u6bb5\u6578\u91cf\uff0c\u5982\u679c\u6307\u5b9a\u7684\u5b57\u6bb5\u4e0d\u5b58\u5728\uff0c\u5247\u4e0d\u6703\u5831\u932f\u3002<\/p>\n<h2 id=\"hdel%e7%9a%84%e6%80%a7%e8%83%bd%e5%84%aa%e5%8b%a2-Wcxxpaicji\">HDEL\u7684\u6027\u80fd\u512a\u52e2<\/h2>\n<p>Redis\u7684HDEL\u64cd\u4f5c\u5177\u6709\u4ee5\u4e0b\u5e7e\u500b\u6027\u80fd\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u5feb\u901f\u57f7\u884c\uff1a<\/strong>\u7531\u65bcRedis\u662f\u57fa\u65bc\u5167\u5b58\u7684\u6578\u64da\u5eab\uff0cHDEL\u64cd\u4f5c\u7684\u57f7\u884c\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u901a\u5e38\u5728\u5fae\u79d2\u7d1a\u5225\u3002<\/li>\n<li><strong>\u539f\u5b50\u6027\uff1a<\/strong>HDEL\u64cd\u4f5c\u662f\u539f\u5b50\u6027\u7684\uff0c\u9019\u610f\u5473\u8457\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\u4e0d\u6703\u53d7\u5230\u5176\u4ed6\u64cd\u4f5c\u7684\u5e72\u64fe\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u53ef\u4ee5\u4e00\u6b21\u522a\u9664\u591a\u500b\u5b57\u6bb5\uff0c\u9019\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u7279\u5225\u6709\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8hdel%e7%9a%84%e5%af%a6%e9%9a%9b%e7%a4%ba%e4%be%8b-Wcxxpaicji\">\u4f7f\u7528HDEL\u7684\u5be6\u969b\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528HDEL\u547d\u4ee4\u7684\u7c21\u55ae\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; HSET user:1000 email \"alice@example.com\"\n127.0.0.1:6379&gt; HDEL user:1000 age\n(integer) 1\n127.0.0.1:6379&gt; HGETALL user:1000\n1) \"name\"\n2) \"Alice\"\n3) \"email\"\n4) \"alice@example.com\"\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u4f7f\u7528HSET\u547d\u4ee4\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba<code>user:1000<\/code>\u7684\u54c8\u5e0c\u8868\uff0c\u4e26\u8a2d\u7f6e\u4e86\u4e09\u500b\u5b57\u6bb5\u3002\u63a5\u8457\uff0c\u6211\u5011\u4f7f\u7528HDEL\u547d\u4ee4\u522a\u9664\u4e86<code>age<\/code>\u5b57\u6bb5\uff0c\u6700\u5f8c\u4f7f\u7528HGETALL\u547d\u4ee4\u67e5\u770b\u54c8\u5e0c\u8868\u7684\u5167\u5bb9\uff0c\u78ba\u8a8d<code>age<\/code>\u5b57\u6bb5\u5df2\u88ab\u6210\u529f\u522a\u9664\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-Wcxxpaicji\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u4f7f\u7528HDEL\u64cd\u4f5c\u6642\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li><strong>\u6279\u91cf\u522a\u9664\uff1a<\/strong>\u5982\u679c\u9700\u8981\u522a\u9664\u591a\u500b\u5b57\u6bb5\uff0c\u5efa\u8b70\u4e00\u6b21\u6027\u4f7f\u7528HDEL\u547d\u4ee4\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u548c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u6aa2\u67e5\u5b57\u6bb5\u5b58\u5728\u6027\uff1a<\/strong>\u5728\u522a\u9664\u5b57\u6bb5\u4e4b\u524d\uff0c\u53ef\u4ee5\u4f7f\u7528HEXISTS\u547d\u4ee4\u6aa2\u67e5\u5b57\u6bb5\u662f\u5426\u5b58\u5728\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u76e3\u63a7\u6027\u80fd\uff1a<\/strong>\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\uff0c\u5efa\u8b70\u4f7f\u7528Redis\u7684\u76e3\u63a7\u5de5\u5177\u4f86\u89c0\u5bdfHDEL\u64cd\u4f5c\u7684\u6027\u80fd\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-Wcxxpaicji\">\u7e3d\u7d50<\/h2>\n<p>Redis\u7684HDEL\u64cd\u4f5c\u662f\u4e00\u500b\u5f37\u5927\u4e14\u9ad8\u6548\u7684\u5de5\u5177\uff0c\u9069\u5408\u7528\u65bc\u7ba1\u7406\u54c8\u5e0c\u8868\u4e2d\u7684\u6578\u64da\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528HDEL\u547d\u4ee4\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u6548\u7387\u3002\u5728\u9078\u64c7\u5408\u9069\u7684<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u6216<code><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u6642\uff0c\u8003\u616e\u5230Redis\u7684\u6027\u80fd\u7279\u9ede\uff0c\u53ef\u4ee5\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u66f4\u597d\u7684\u652f\u6301\u3002\u7121\u8ad6\u662f\u958b\u767c\u65b0\u61c9\u7528\u9084\u662f\u512a\u5316\u73fe\u6709\u7cfb\u7d71\uff0c\u4e86\u89e3\u548c\u638c\u63e1HDEL\u64cd\u4f5c\u90fd\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u4e2dHDEL\u64cd\u4f5c\u7684\u9ad8\u6548\u5be6\u73fe\uff0c\u5feb\u901f\u522a\u9664\u54c8\u5e0c\u8868\u4e2d\u7684\u5b57\u6bb5\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\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-128745","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128745","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=128745"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128745\/revisions"}],"predecessor-version":[{"id":128746,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128745\/revisions\/128746"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}