{"id":163499,"date":"2024-11-05T00:01:23","date_gmt":"2024-11-04T16:01:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163499\/"},"modified":"2024-11-05T00:01:24","modified_gmt":"2024-11-04T16:01:24","slug":"%e8%a7%a3%e6%b1%baredis%e7%8d%b2%e5%8f%96%e5%80%bc%e7%82%ba0%e7%9a%84%e5%95%8f%e9%a1%8c%ef%bc%88redis%e7%8d%b2%e5%8f%96%e7%9a%84%e5%80%bc%e7%82%ba0%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163499\/","title":{"rendered":"\u89e3\u6c7aRedis\u7372\u53d6\u503c\u70ba0\u7684\u554f\u984c\uff08Redis\u7372\u53d6\u7684\u503c\u70ba0\uff09"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e6%b1%baredis%e7%8d%b2%e5%8f%96%e5%80%bc%e7%82%ba0%e7%9a%84%e5%95%8f%e9%a1%8c%ef%bc%88redis%e7%8d%b2%e5%8f%96%e7%9a%84%e5%80%bc%e7%82%ba0%ef%bc%89-NMPQDvpwSp\">\u89e3\u6c7aRedis\u7372\u53d6\u503c\u70ba0\u7684\u554f\u984c\uff08Redis\u7372\u53d6\u7684\u503c\u70ba0\uff09<\/h1>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u3002\u7136\u800c\uff0c\u5728\u4f7f\u7528Redis\u7684\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u7372\u53d6\u503c\u70ba0\u7684\u554f\u984c\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u63a2\u8a0e\u53ef\u80fd\u5c0e\u81f4Redis\u7372\u53d6\u503c\u70ba0\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"redis%e7%8d%b2%e5%8f%96%e5%80%bc%e7%82%ba0%e7%9a%84%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0-NMPQDvpwSp\">Redis\u7372\u53d6\u503c\u70ba0\u7684\u5e38\u898b\u539f\u56e0<\/h2>\n<ul>\n<li><strong>\u9375\u4e0d\u5b58\u5728\uff1a<\/strong>\u7576\u4f60\u5617\u8a66\u7372\u53d6\u4e00\u500b\u4e0d\u5b58\u5728\u7684\u9375\u6642\uff0cRedis\u6703\u8fd4\u56denil\uff08\u5728\u67d0\u4e9b\u8a9e\u8a00\u4e2d\u8868\u793a\u70ba0\uff09\u3002\u9019\u662f\u6700\u5e38\u898b\u7684\u539f\u56e0\u4e4b\u4e00\u3002<\/li>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u5982\u679c\u4f60\u4f7f\u7528\u4e86\u932f\u8aa4\u7684\u547d\u4ee4\u4f86\u7372\u53d6\u6578\u64da\uff0c\u4f8b\u5982\u7528\u5b57\u7b26\u4e32\u547d\u4ee4\u53bb\u7372\u53d6\u4e00\u500b\u54c8\u5e0c\u8868\u7684\u503c\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u8fd4\u56de0\u3002<\/li>\n<li><strong>\u904e\u671f\u7684\u9375\uff1a<\/strong>Redis\u652f\u6301\u9375\u7684\u904e\u671f\u529f\u80fd\u3002\u5982\u679c\u4e00\u500b\u9375\u5728\u4f60\u5617\u8a66\u7372\u53d6\u5b83\u4e4b\u524d\u5df2\u7d93\u904e\u671f\uff0c\u5247\u6703\u8fd4\u56denil\u3002<\/li>\n<li><strong>\u932f\u8aa4\u7684\u6578\u64da\u985e\u578b\uff1a<\/strong>\u5982\u679c\u4f60\u5c07\u4e00\u500b\u6578\u5b57\u5b58\u5132\u70ba\u5b57\u7b26\u4e32\uff0c\u7136\u5f8c\u5617\u8a66\u4ee5\u6578\u5b57\u7684\u65b9\u5f0f\u7372\u53d6\u5b83\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u8fd4\u56de0\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%aa%a2%e6%9f%a5%e5%92%8c%e8%a7%a3%e6%b1%ba%e5%95%8f%e9%a1%8c-NMPQDvpwSp\">\u5982\u4f55\u6aa2\u67e5\u548c\u89e3\u6c7a\u554f\u984c<\/h2>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e9%8d%b5%e6%98%af%e5%90%a6%e5%ad%98%e5%9c%a8-NMPQDvpwSp\">1. \u6aa2\u67e5\u9375\u662f\u5426\u5b58\u5728<\/h3>\n<p>\u9996\u5148\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>EXISTS<\/code> \u547d\u4ee4\u4f86\u6aa2\u67e5\u9375\u662f\u5426\u5b58\u5728\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>EXISTS mykey<\/code><\/pre>\n<p>\u5982\u679c\u8fd4\u56de\u503c\u70ba0\uff0c\u5247\u8868\u793a\u8a72\u9375\u4e0d\u5b58\u5728\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-NMPQDvpwSp\">2. \u78ba\u8a8d\u6578\u64da\u985e\u578b<\/h3>\n<p>\u4f7f\u7528 <code>TYPE<\/code> \u547d\u4ee4\u4f86\u6aa2\u67e5\u9375\u7684\u6578\u64da\u985e\u578b\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>TYPE mykey<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u4f60\u4f7f\u7528\u7684\u547d\u4ee4\u8207\u6578\u64da\u985e\u578b\u76f8\u7b26\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-NMPQDvpwSp\">3. \u6aa2\u67e5\u904e\u671f\u6642\u9593<\/h3>\n<p>\u4f7f\u7528 <code>TTL<\/code> \u547d\u4ee4\u4f86\u6aa2\u67e5\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>TTL mykey<\/code><\/pre>\n<p>\u5982\u679c\u8fd4\u56de\u503c\u70ba-2\uff0c\u5247\u8868\u793a\u8a72\u9375\u5df2\u7d93\u904e\u671f\u3002<\/p>\n<h3 id=\"4-%e7%a2%ba%e8%aa%8d%e6%95%b8%e6%93%9a%e5%ad%98%e5%84%b2%e6%96%b9%e5%bc%8f-NMPQDvpwSp\">4. \u78ba\u8a8d\u6578\u64da\u5b58\u5132\u65b9\u5f0f<\/h3>\n<p>\u5982\u679c\u4f60\u5728\u5b58\u5132\u6578\u64da\u6642\u4f7f\u7528\u4e86\u932f\u8aa4\u7684\u985e\u578b\uff0c\u8acb\u6aa2\u67e5\u4f60\u7684\u5b58\u5132\u908f\u8f2f\u3002\u4f8b\u5982\uff0c\u78ba\u4fdd\u5728\u5b58\u5132\u6578\u5b57\u6642\u4f7f\u7528 <code>SET<\/code> \u547d\u4ee4\uff0c\u800c\u4e0d\u662f <code>HSET<\/code> \u547d\u4ee4\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-NMPQDvpwSp\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528Redis\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u5617\u8a66\u7372\u53d6\u4e00\u500b\u9375\u7684\u503c\nvalue = r.get('mykey')\n\nif value is None:\n    print(\"\u9375\u4e0d\u5b58\u5728\u6216\u503c\u70ba0\")\nelse:\n    print(\"\u7372\u53d6\u7684\u503c:\", value)\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NMPQDvpwSp\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u6642\uff0c\u7372\u53d6\u503c\u70ba0\u7684\u554f\u984c\u53ef\u80fd\u7531\u591a\u7a2e\u539f\u56e0\u5f15\u8d77\uff0c\u5305\u62ec\u9375\u4e0d\u5b58\u5728\u3001\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u3001\u904e\u671f\u7684\u9375\u7b49\u3002\u901a\u904e\u6aa2\u67e5\u9375\u7684\u5b58\u5728\u6027\u3001\u6578\u64da\u985e\u578b\u548c\u904e\u671f\u6642\u9593\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5b9a\u4f4d\u548c\u89e3\u6c7a\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5b58\u5132\u548c\u7ba1\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aRedis\u7372\u53d6\u503c\u70ba0\u7684\u554f\u984c\uff0c\u6df1\u5165\u5206\u6790\u539f\u56e0\u53ca\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u63d0\u5347\u6578\u64da\u5b58\u53d6\u6548\u7387\u8207\u6e96\u78ba\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-163499","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163499","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=163499"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163499\/revisions"}],"predecessor-version":[{"id":163500,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163499\/revisions\/163500"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163499"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163499"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}