{"id":154189,"date":"2024-11-02T13:42:21","date_gmt":"2024-11-02T05:42:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154189\/"},"modified":"2024-11-02T13:42:22","modified_gmt":"2024-11-02T05:42:22","slug":"%e8%aa%bf%e8%a9%a6redis%e7%8d%b2%e5%8f%96%e5%b1%ac%e6%80%a7%e5%80%bc%e7%82%ba%e7%a9%ba%ef%bc%88redis%e7%8d%b2%e5%8f%96%e5%b1%ac%e6%80%a7%e7%82%ba%e7%a9%ba%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154189\/","title":{"rendered":"\u8abf\u8a66Redis\u7372\u53d6\u5c6c\u6027\u503c\u70ba\u7a7a\uff08redis\u7372\u53d6\u5c6c\u6027\u70ba\u7a7a\uff09"},"content":{"rendered":"<h1 id=\"%e8%aa%bf%e8%a9%a6redis%e7%8d%b2%e5%8f%96%e5%b1%ac%e6%80%a7%e5%80%bc%e7%82%ba%e7%a9%ba%ef%bc%88redis%e7%8d%b2%e5%8f%96%e5%b1%ac%e6%80%a7%e7%82%ba%e7%a9%ba%ef%bc%89-BpklsSrzlg\">\u8abf\u8a66Redis\u7372\u53d6\u5c6c\u6027\u503c\u70ba\u7a7a\uff08redis\u7372\u53d6\u5c6c\u6027\u70ba\u7a7a\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\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\u5728\u4f7f\u7528Redis\u7684\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u7372\u53d6\u5c6c\u6027\u503c\u70ba\u7a7a\u7684\u60c5\u6cc1\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u63a2\u8a0e\u9019\u4e00\u554f\u984c\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u8abf\u8a66Redis\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e6%9c%83%e5%87%ba%e7%8f%be%e5%b1%ac%e6%80%a7%e5%80%bc%e7%82%ba%e7%a9%ba%e7%9a%84%e6%83%85%e6%b3%81%ef%bc%9f-BpklsSrzlg\">\u70ba\u4ec0\u9ebc\u6703\u51fa\u73fe\u5c6c\u6027\u503c\u70ba\u7a7a\u7684\u60c5\u6cc1\uff1f<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u6642\uff0c\u5c6c\u6027\u503c\u70ba\u7a7a\u7684\u60c5\u6cc1\u53ef\u80fd\u7531\u591a\u7a2e\u539f\u56e0\u5f15\u8d77\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u539f\u56e0\uff1a<\/p>\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\u56de\u7a7a\u503c\u3002\u9019\u662f\u6700\u5e38\u898b\u7684\u60c5\u6cc1\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\u985e\u578b\u7684\u9375\uff0c\u5247\u6703\u5c0e\u81f4\u8fd4\u56de\u7a7a\u503c\u3002<\/li>\n<li><strong>\u6578\u64da\u904e\u671f\uff1a<\/strong>Redis\u652f\u6301\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u5982\u679c\u4e00\u500b\u9375\u5728\u904e\u671f\u5f8c\u88ab\u8a2a\u554f\uff0c\u5247\u6703\u8fd4\u56de\u7a7a\u503c\u3002<\/li>\n<li><strong>\u9023\u63a5\u554f\u984c\uff1a<\/strong>\u5982\u679cRedis\u670d\u52d9\u5668\u51fa\u73fe\u6545\u969c\u6216\u7db2\u7d61\u9023\u63a5\u4e0d\u7a69\u5b9a\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u7121\u6cd5\u6b63\u78ba\u7372\u53d6\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%aa%bf%e8%a9%a6%e5%b1%ac%e6%80%a7%e5%80%bc%e7%82%ba%e7%a9%ba%e7%9a%84%e5%95%8f%e9%a1%8c%ef%bc%9f-BpklsSrzlg\">\u5982\u4f55\u8abf\u8a66\u5c6c\u6027\u503c\u70ba\u7a7a\u7684\u554f\u984c\uff1f<\/h2>\n<p>\u8abf\u8a66Redis\u7372\u53d6\u5c6c\u6027\u503c\u70ba\u7a7a\u7684\u554f\u984c\u53ef\u4ee5\u5f9e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\u5165\u624b\uff1a<\/p>\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-BpklsSrzlg\">1. \u6aa2\u67e5\u9375\u662f\u5426\u5b58\u5728<\/h3>\n<pre><code>EXISTS key_name<\/code><\/pre>\n<p>\u4f7f\u7528EXISTS\u547d\u4ee4\u6aa2\u67e5\u9375\u662f\u5426\u5b58\u5728\u3002\u5982\u679c\u8fd4\u56de1\uff0c\u5247\u9375\u5b58\u5728\uff1b\u5982\u679c\u8fd4\u56de0\uff0c\u5247\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-BpklsSrzlg\">2. \u78ba\u8a8d\u6578\u64da\u985e\u578b<\/h3>\n<pre><code>TYPE key_name<\/code><\/pre>\n<p>\u4f7f\u7528TYPE\u547d\u4ee4\u6aa2\u67e5\u9375\u7684\u6578\u64da\u985e\u578b\u3002\u78ba\u4fdd\u4f7f\u7528\u6b63\u78ba\u7684\u547d\u4ee4\u4f86\u7372\u53d6\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5982\u679c\u9375\u7684\u985e\u578b\u662f\u54c8\u5e0c\uff0c\u5247\u61c9\u4f7f\u7528HGET\u547d\u4ee4\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-BpklsSrzlg\">3. \u6aa2\u67e5\u904e\u671f\u6642\u9593<\/h3>\n<pre><code>TTL key_name<\/code><\/pre>\n<p>\u4f7f\u7528TTL\u547d\u4ee4\u6aa2\u67e5\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\u3002\u5982\u679c\u8fd4\u56de-2\uff0c\u5247\u8868\u793a\u9375\u4e0d\u5b58\u5728\uff1b\u5982\u679c\u8fd4\u56de-1\uff0c\u5247\u8868\u793a\u9375\u6c38\u4e0d\u904e\u671f\u3002<\/p>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5%e9%80%a3%e6%8e%a5%e7%8b%80%e6%85%8b-BpklsSrzlg\">4. \u6aa2\u67e5\u9023\u63a5\u72c0\u614b<\/h3>\n<p>\u78ba\u4fdd\u4f60\u7684\u61c9\u7528\u7a0b\u5e8f\u80fd\u5920\u6b63\u78ba\u9023\u63a5\u5230Redis\u670d\u52d9\u5668\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u9023\u63a5\uff1a<\/p>\n<pre><code>PING<\/code><\/pre>\n<p>\u5982\u679c\u8fd4\u56dePONG\uff0c\u5247\u8868\u793a\u9023\u63a5\u6b63\u5e38\uff1b\u5982\u679c\u6c92\u6709\u8fd4\u56de\uff0c\u5247\u9700\u8981\u6aa2\u67e5\u7db2\u7d61\u6216Redis\u670d\u52d9\u5668\u7684\u72c0\u614b\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-BpklsSrzlg\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Python\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u6aa2\u67e5Redis\u9375\u7684\u5b58\u5728\u6027\u548c\u985e\u578b\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\n# \u6aa2\u67e5\u9375\u662f\u5426\u5b58\u5728\nkey_name = 'my_key'\nif r.exists(key_name):\n    print(f\"\u9375 {key_name} \u5b58\u5728\uff0c\u985e\u578b\u70ba {r.type(key_name)}\")\nelse:\n    print(f\"\u9375 {key_name} \u4e0d\u5b58\u5728\")\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-BpklsSrzlg\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u6642\uff0c\u7372\u53d6\u5c6c\u6027\u503c\u70ba\u7a7a\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\u6578\u64da\u904e\u671f\u6216\u9023\u63a5\u554f\u984c\u3002\u901a\u904e\u6aa2\u67e5\u9375\u7684\u5b58\u5728\u6027\u3001\u6578\u64da\u985e\u578b\u3001\u904e\u671f\u6642\u9593\u4ee5\u53ca\u9023\u63a5\u72c0\u614b\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u8abf\u8a66\u9019\u4e9b\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\u662f\u81f3\u95dc\u91cd\u8981\u7684\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>\u4e86\u89e3\u5982\u4f55\u8abf\u8a66Redis\u4ee5\u7372\u53d6\u5c6c\u6027\u503c\u70ba\u7a7a\u7684\u554f\u984c\uff0c\u4e26\u638c\u63e1\u89e3\u6c7a\u65b9\u6848\u548c\u6700\u4f73\u5be6\u8e10\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-154189","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154189","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=154189"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154189\/revisions"}],"predecessor-version":[{"id":154190,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154189\/revisions\/154190"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=154189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=154189"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=154189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}