{"id":98904,"date":"2024-10-21T06:30:16","date_gmt":"2024-10-20T22:30:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98904\/"},"modified":"2024-10-21T06:30:17","modified_gmt":"2024-10-20T22:30:17","slug":"redis-%e8%ae%80%e5%8f%96%e7%9a%84%e5%80%bc%e5%87%ba%e7%8f%be%e7%95%b0%e5%b8%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98904\/","title":{"rendered":"Redis \u8b80\u53d6\u7684\u503c\u51fa\u73fe\u7570\u5e38"},"content":{"rendered":"<h1 id=\"redis-%e8%ae%80%e5%8f%96%e7%9a%84%e5%80%bc%e5%87%ba%e7%8f%be%e7%95%b0%e5%b8%b8-hPPcJVfODL\">Redis \u8b80\u53d6\u7684\u503c\u51fa\u73fe\u7570\u5e38<\/h1>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u5834\u666f\u3002\u7136\u800c\uff0c\u5728\u4f7f\u7528 Redis \u7684\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u8b80\u53d6\u7684\u503c\u51fa\u73fe\u7570\u5e38\u7684\u60c5\u6cc1\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u53ef\u80fd\u5c0e\u81f4\u9019\u4e9b\u7570\u5e38\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84%e7%95%b0%e5%b8%b8%e6%83%85%e6%b3%81-hPPcJVfODL\">\u5e38\u898b\u7684\u7570\u5e38\u60c5\u6cc1<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u6642\uff0c\u8b80\u53d6\u7684\u503c\u7570\u5e38\u53ef\u80fd\u8868\u73fe\u70ba\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u8fd4\u56de\u7684\u503c\u70ba\u7a7a\u6216 null\u3002<\/li>\n<li>\u8fd4\u56de\u7684\u503c\u8207\u9810\u671f\u4e0d\u7b26\u3002<\/li>\n<li>\u8b80\u53d6\u7684\u6578\u64da\u985e\u578b\u4e0d\u6b63\u78ba\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%95%b0%e5%b8%b8%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-hPPcJVfODL\">\u7570\u5e38\u539f\u56e0\u5206\u6790<\/h2>\n<h3 id=\"1-%e9%8d%b5%e4%b8%8d%e5%ad%98%e5%9c%a8-hPPcJVfODL\">1. \u9375\u4e0d\u5b58\u5728<\/h3>\n<p>\u7576\u5617\u8a66\u8b80\u53d6\u4e00\u500b\u4e0d\u5b58\u5728\u7684\u9375\u6642\uff0cRedis \u6703\u8fd4\u56de null\u3002\u9019\u901a\u5e38\u662f\u56e0\u70ba\u9375\u5df2\u7d93\u904e\u671f\u6216\u5f9e\u672a\u88ab\u8a2d\u7f6e\u904e\u3002\u53ef\u4ee5\u4f7f\u7528 <code>EXISTS<\/code> \u547d\u4ee4\u4f86\u6aa2\u67e5\u9375\u662f\u5426\u5b58\u5728\u3002<\/p>\n<pre><code>EXISTS mykey<\/code><\/pre>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e4%b8%8d%e5%8c%b9%e9%85%8d-hPPcJVfODL\">2. \u6578\u64da\u985e\u578b\u4e0d\u5339\u914d<\/h3>\n<p>Redis \u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u5982\u679c\u4f60\u5617\u8a66\u4ee5\u932f\u8aa4\u7684\u6578\u64da\u985e\u578b\u8b80\u53d6\u6578\u64da\uff0c\u5c07\u6703\u5c0e\u81f4\u7570\u5e38\u3002\u4f8b\u5982\uff0c\u82e5\u4e00\u500b\u9375\u662f\u5b57\u7b26\u4e32\u985e\u578b\uff0c\u4f46\u4f60\u537b\u7528\u54c8\u5e0c\u547d\u4ee4\u4f86\u8b80\u53d6\uff0c\u5247\u6703\u51fa\u73fe\u932f\u8aa4\u3002<\/p>\n<pre><code>HGET myhash field1<\/code><\/pre>\n<h3 id=\"3-%e9%80%a3%e6%8e%a5%e5%95%8f%e9%a1%8c-hPPcJVfODL\">3. \u9023\u63a5\u554f\u984c<\/h3>\n<p>\u5982\u679c Redis \u670d\u52d9\u5668\u51fa\u73fe\u6545\u969c\u6216\u7db2\u7d61\u9023\u63a5\u4e0d\u7a69\u5b9a\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u8b80\u53d6\u7570\u5e38\u3002\u6aa2\u67e5 Redis \u670d\u52d9\u5668\u7684\u72c0\u614b\u548c\u7db2\u7d61\u9023\u63a5\u662f\u89e3\u6c7a\u6b64\u554f\u984c\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n<h3 id=\"4-%e7%89%88%e6%9c%ac%e4%b8%8d%e5%85%bc%e5%ae%b9-hPPcJVfODL\">4. \u7248\u672c\u4e0d\u517c\u5bb9<\/h3>\n<p>\u4e0d\u540c\u7248\u672c\u7684 Redis \u53ef\u80fd\u6703\u6709\u4e0d\u540c\u7684\u884c\u70ba\u3002\u5982\u679c\u4f60\u7684\u61c9\u7528\u7a0b\u5e8f\u4f7f\u7528\u7684 Redis \u5ba2\u6236\u7aef\u7248\u672c\u8207\u670d\u52d9\u5668\u7248\u672c\u4e0d\u517c\u5bb9\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u8b80\u53d6\u7570\u5e38\u3002\u78ba\u4fdd\u4f7f\u7528\u7684\u5ba2\u6236\u7aef\u548c\u670d\u52d9\u5668\u7248\u672c\u76f8\u5339\u914d\u3002<\/p>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-hPPcJVfODL\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e9%8d%b5%e7%9a%84%e5%ad%98%e5%9c%a8%e6%80%a7-hPPcJVfODL\">1. \u6aa2\u67e5\u9375\u7684\u5b58\u5728\u6027<\/h3>\n<p>\u5728\u8b80\u53d6\u6578\u64da\u4e4b\u524d\uff0c\u4f7f\u7528 <code>EXISTS<\/code> \u547d\u4ee4\u78ba\u8a8d\u9375\u662f\u5426\u5b58\u5728\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u56e0\u9375\u4e0d\u5b58\u5728\u800c\u5c0e\u81f4\u7684\u7570\u5e38\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-hPPcJVfODL\">2. \u78ba\u8a8d\u6578\u64da\u985e\u578b<\/h3>\n<p>\u5728\u8b80\u53d6\u6578\u64da\u6642\uff0c\u4f7f\u7528 <code>TYPE<\/code> \u547d\u4ee4\u78ba\u8a8d\u9375\u7684\u6578\u64da\u985e\u578b\uff0c\u78ba\u4fdd\u4f7f\u7528\u6b63\u78ba\u7684\u547d\u4ee4\u4f86\u8b80\u53d6\u6578\u64da\u3002<\/p>\n<pre><code>TYPE mykey<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e9%80%a3%e6%8e%a5%e7%8b%80%e6%85%8b-hPPcJVfODL\">3. \u6aa2\u67e5\u9023\u63a5\u72c0\u614b<\/h3>\n<p>\u4f7f\u7528 <code>PING<\/code> \u547d\u4ee4\u6aa2\u67e5 Redis \u670d\u52d9\u5668\u7684\u9023\u63a5\u72c0\u614b\uff0c\u78ba\u4fdd\u670d\u52d9\u5668\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<pre><code>PING<\/code><\/pre>\n<h3 id=\"4-%e6%9b%b4%e6%96%b0%e5%ae%a2%e6%88%b6%e7%ab%af%e5%92%8c%e6%9c%8d%e5%8b%99%e5%99%a8%e7%89%88%e6%9c%ac-hPPcJVfODL\">4. \u66f4\u65b0\u5ba2\u6236\u7aef\u548c\u670d\u52d9\u5668\u7248\u672c<\/h3>\n<p>\u5b9a\u671f\u6aa2\u67e5\u548c\u66f4\u65b0 Redis \u5ba2\u6236\u7aef\u548c\u670d\u52d9\u5668\u7248\u672c\uff0c\u4ee5\u78ba\u4fdd\u5b83\u5011\u4e4b\u9593\u7684\u517c\u5bb9\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-hPPcJVfODL\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u6642\uff0c\u8b80\u53d6\u7684\u503c\u51fa\u73fe\u7570\u5e38\u53ef\u80fd\u7531\u591a\u7a2e\u56e0\u7d20\u5f15\u8d77\uff0c\u5305\u62ec\u9375\u4e0d\u5b58\u5728\u3001\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u3001\u9023\u63a5\u554f\u984c\u53ca\u7248\u672c\u4e0d\u517c\u5bb9\u7b49\u3002\u901a\u904e\u6aa2\u67e5\u9375\u7684\u5b58\u5728\u6027\u3001\u78ba\u8a8d\u6578\u64da\u985e\u578b\u3001\u6aa2\u67e5\u9023\u63a5\u72c0\u614b\u4ee5\u53ca\u66f4\u65b0\u5ba2\u6236\u7aef\u548c\u670d\u52d9\u5668\u7248\u672c\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u6578\u64da\u5b58\u5132\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd Redis \u7684\u7a69\u5b9a\u904b\u884c\u548c\u9ad8\u6548\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u8b80\u53d6\u7684\u503c\u51fa\u73fe\u7570\u5e38\uff1f\u4e86\u89e3\u5e38\u898b\u539f\u56e0\u53ca\u89e3\u6c7a\u65b9\u6848\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u7cfb\u7d71\u7a69\u5b9a\u6027\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-98904","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98904","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=98904"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98904\/revisions"}],"predecessor-version":[{"id":98905,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98904\/revisions\/98905"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98904"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}