{"id":158717,"date":"2024-11-03T04:13:33","date_gmt":"2024-11-02T20:13:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/158717\/"},"modified":"2024-11-03T04:13:34","modified_gmt":"2024-11-02T20:13:34","slug":"%e9%97%9c%e9%96%89-redis%e9%a0%90%e9%98%b2%e7%a9%ba%e6%8c%87%e9%87%9d%e7%9a%84%e9%97%9c%e9%8d%b5%ef%bc%88%e9%97%9c%e9%96%89redis%e7%a9%ba%e6%8c%87%e9%87%9d%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/158717\/","title":{"rendered":"\u95dc\u9589 Redis\u9810\u9632\u7a7a\u6307\u91dd\u7684\u95dc\u9375\uff08\u95dc\u9589redis\u7a7a\u6307\u91dd\uff09"},"content":{"rendered":"<h1 id=\"%e9%97%9c%e9%96%89-redis-%e9%a0%90%e9%98%b2%e7%a9%ba%e6%8c%87%e9%87%9d%e7%9a%84%e9%97%9c%e9%8d%b5%ef%bc%88%e9%97%9c%e9%96%89-redis-%e7%a9%ba%e6%8c%87%e9%87%9d%ef%bc%89-IkqQkwNIDb\">\u95dc\u9589 Redis \u9810\u9632\u7a7a\u6307\u91dd\u7684\u95dc\u9375\uff08\u95dc\u9589 Redis \u7a7a\u6307\u91dd\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u7136\u800c\uff0c\u96a8\u8457\u61c9\u7528\u7684\u589e\u9577\u548c\u8907\u96dc\u6027\u589e\u52a0\uff0c\u958b\u767c\u8005\u5728\u4f7f\u7528 Redis \u6642\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u554f\u984c\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u7a7a\u6307\u91dd\u7570\u5e38\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u95dc\u9589 Redis \u7684\u7a7a\u6307\u91dd\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u548c\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%a9%ba%e6%8c%87%e9%87%9d%e7%95%b0%e5%b8%b8%ef%bc%9f-IkqQkwNIDb\">\u4ec0\u9ebc\u662f\u7a7a\u6307\u91dd\u7570\u5e38\uff1f<\/h2>\n<p>\u7a7a\u6307\u91dd\u7570\u5e38\u662f\u6307\u5728\u7a0b\u5e8f\u4e2d\u5617\u8a66\u8a2a\u554f\u4e00\u500b\u672a\u521d\u59cb\u5316\u6216\u5df2\u88ab\u91cb\u653e\u7684\u5c0d\u8c61\u6642\u6240\u5f15\u767c\u7684\u932f\u8aa4\u3002\u5728 Redis \u7684\u4e0a\u4e0b\u6587\u4e2d\uff0c\u9019\u901a\u5e38\u767c\u751f\u5728\u61c9\u7528\u7a0b\u5e8f\u5617\u8a66\u5f9e Redis \u7372\u53d6\u6578\u64da\u6642\uff0c\u4f46\u8a72\u6578\u64da\u4e26\u4e0d\u5b58\u5728\u6216\u5df2\u88ab\u522a\u9664\u3002\u9019\u4e0d\u50c5\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u5d29\u6f70\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e8%a6%81%e9%97%9c%e9%96%89-redis-%e7%a9%ba%e6%8c%87%e9%87%9d%ef%bc%9f-IkqQkwNIDb\">\u70ba\u4ec0\u9ebc\u8981\u95dc\u9589 Redis \u7a7a\u6307\u91dd\uff1f<\/h2>\n<p>\u95dc\u9589 Redis \u7a7a\u6307\u91dd\u7684\u4e3b\u8981\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u63d0\u9ad8\u7a69\u5b9a\u6027\uff1a<\/strong>\u907f\u514d\u56e0\u7a7a\u6307\u91dd\u7570\u5e38\u5c0e\u81f4\u7684\u61c9\u7528\u5d29\u6f70\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/li>\n<li><strong>\u589e\u5f37\u7528\u6236\u9ad4\u9a57\uff1a<\/strong>\u78ba\u4fdd\u7528\u6236\u5728\u4f7f\u7528\u61c9\u7528\u6642\u4e0d\u6703\u9047\u5230\u610f\u5916\u7684\u932f\u8aa4\uff0c\u63d0\u5347\u6574\u9ad4\u9ad4\u9a57\u3002<\/li>\n<li><strong>\u7c21\u5316\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u901a\u904e\u9810\u9632\u7a7a\u6307\u91dd\u7570\u5e38\uff0c\u53ef\u4ee5\u6e1b\u5c11\u932f\u8aa4\u8655\u7406\u7684\u8907\u96dc\u6027\uff0c\u8b93\u4ee3\u78bc\u66f4\u52a0\u7c21\u6f54\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%97%9c%e9%96%89-redis-%e7%a9%ba%e6%8c%87%e9%87%9d-IkqQkwNIDb\">\u5982\u4f55\u95dc\u9589 Redis \u7a7a\u6307\u91dd<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u95dc\u9589 Redis \u7a7a\u6307\u91dd\u7684\u6709\u6548\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e8%bf%94%e5%9b%9e%e5%80%bc-IkqQkwNIDb\">1. \u6aa2\u67e5\u8fd4\u56de\u503c<\/h3>\n<p>\u5728\u5f9e Redis \u7372\u53d6\u6578\u64da\u6642\uff0c\u61c9\u59cb\u7d42\u6aa2\u67e5\u8fd4\u56de\u503c\u662f\u5426\u70ba\u7a7a\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>GET<\/code> \u547d\u4ee4\u6642\uff0c\u53ef\u4ee5\u9019\u6a23\u8655\u7406\uff1a<\/p>\n<pre><code>String value = jedis.get(\"key\");\nif (value == null) {\n    \/\/ \u8655\u7406\u7a7a\u503c\u60c5\u6cc1\n    System.out.println(\"\u672a\u627e\u5230\u8a72\u9375\u7684\u503c\");\n} else {\n    \/\/ \u6b63\u5e38\u8655\u7406\u503c\n    System.out.println(\"\u7372\u53d6\u7684\u503c\u70ba: \" + value);\n}\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e9%bb%98%e8%aa%8d%e5%80%bc-IkqQkwNIDb\">2. \u4f7f\u7528\u9ed8\u8a8d\u503c<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u4ee5\u70ba\u53ef\u80fd\u7684\u7a7a\u503c\u8a2d\u7f6e\u9ed8\u8a8d\u503c\u3002\u9019\u6a23\uff0c\u5373\u4f7f Redis \u8fd4\u56de\u7a7a\u503c\uff0c\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u4e5f\u80fd\u7e7c\u7e8c\u904b\u884c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>String value = jedis.get(\"key\");\nString result = (value != null) ? value : \"\u9ed8\u8a8d\u503c\";\nSystem.out.println(\"\u7372\u53d6\u7684\u503c\u70ba: \" + result);\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e7%95%b0%e5%b8%b8%e8%99%95%e7%90%86-IkqQkwNIDb\">3. \u4f7f\u7528\u7570\u5e38\u8655\u7406<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u7570\u5e38\u8655\u7406\u4f86\u6355\u7372\u7a7a\u6307\u91dd\u7570\u5e38\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5373\u4f7f\u767c\u751f\u932f\u8aa4\uff0c\u61c9\u7528\u7a0b\u5e8f\u4e5f\u80fd\u6b63\u5e38\u904b\u884c\uff1a<\/p>\n<pre><code>try {\n    String value = jedis.get(\"key\");\n    System.out.println(\"\u7372\u53d6\u7684\u503c\u70ba: \" + value);\n} catch (NullPointerException e) {\n    System.out.println(\"\u6355\u7372\u5230\u7a7a\u6307\u91dd\u7570\u5e38: \" + e.getMessage());\n}\n<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-IkqQkwNIDb\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u9664\u4e86\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u9084\u6709\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u53ef\u4ee5\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406 Redis \u7684\u7a7a\u6307\u91dd\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u6e05\u7406\u6578\u64da\uff1a<\/strong>\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u4ee5\u6e1b\u5c11\u7a7a\u6307\u91dd\u7684\u53ef\u80fd\u6027\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684 Redis \u6578\u64da\u7d50\u69cb\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u7a7a\u503c\u3002<\/li>\n<li><strong>\u52a0\u5f37\u6e2c\u8a66\uff1a<\/strong>\u5728\u958b\u767c\u904e\u7a0b\u4e2d\u9032\u884c\u5145\u5206\u7684\u6e2c\u8a66\uff0c\u78ba\u4fdd\u6240\u6709\u53ef\u80fd\u7684\u7a7a\u6307\u91dd\u60c5\u6cc1\u90fd\u80fd\u88ab\u59a5\u5584\u8655\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-IkqQkwNIDb\">\u7e3d\u7d50<\/h2>\n<p>\u95dc\u9589 Redis \u7a7a\u6307\u91dd\u662f\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7a69\u5b9a\u6027\u548c\u7528\u6236\u9ad4\u9a57\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u6aa2\u67e5\u8fd4\u56de\u503c\u3001\u4f7f\u7528\u9ed8\u8a8d\u503c\u548c\u7570\u5e38\u8655\u7406\u7b49\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u9810\u9632\u7a7a\u6307\u91dd\u7570\u5e38\u7684\u767c\u751f\u3002\u6b64\u5916\uff0c\u9075\u5faa\u6700\u4f73\u5be6\u8e10\u5c07\u9032\u4e00\u6b65\u589e\u5f37\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u95dc\u9589Redis\u7684\u7a7a\u6307\u91dd\u9810\u9632\u63aa\u65bd\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u6027\u80fd\uff0c\u907f\u514d\u6f5b\u5728\u7684\u932f\u8aa4\u8207\u6545\u969c\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-158717","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/158717","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=158717"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/158717\/revisions"}],"predecessor-version":[{"id":158718,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/158717\/revisions\/158718"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=158717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=158717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=158717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}