{"id":99862,"date":"2024-10-21T15:39:39","date_gmt":"2024-10-21T07:39:39","guid":{"rendered":"https:\/\/server.hk\/cnblog\/99862\/"},"modified":"2024-10-21T15:39:40","modified_gmt":"2024-10-21T07:39:40","slug":"redis-%e7%ae%a1%e9%81%93%e4%b8%ad%e7%9a%84%e7%a9%ba%e5%85%83%e7%b4%a0%e6%8e%a2%e7%b4%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/99862\/","title":{"rendered":"Redis \u7ba1\u9053\u4e2d\u7684\u7a7a\u5143\u7d20\u63a2\u7d22"},"content":{"rendered":"<h1 id=\"redis-%e7%ae%a1%e9%81%93%e4%b8%ad%e7%9a%84%e7%a9%ba%e5%85%83%e7%b4%a0%e6%8e%a2%e7%b4%a2-eizDNqHuqq\">Redis \u7ba1\u9053\u4e2d\u7684\u7a7a\u5143\u7d20\u63a2\u7d22<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u8655\u7406\u74b0\u5883\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u3002\u5176\u7ba1\u9053\uff08Pipeline\uff09\u529f\u80fd\u5141\u8a31\u7528\u6236\u5728\u4e00\u6b21\u8acb\u6c42\u4e2d\u767c\u9001\u591a\u500b\u547d\u4ee4\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002\u7136\u800c\uff0c\u5728\u4f7f\u7528\u7ba1\u9053\u6642\uff0c\u7a7a\u5143\u7d20\u7684\u8655\u7406\u5e38\u5e38\u88ab\u5ffd\u8996\uff0c\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u61c9\u7528\u7684\u7a69\u5b9a\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7ba1\u9053\u4e2d\u7684\u7a7a\u5143\u7d20\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e7%ae%a1%e9%81%93%ef%bc%9f-eizDNqHuqq\">\u4ec0\u9ebc\u662f Redis \u7ba1\u9053\uff1f<\/h2>\n<p>Redis \u7ba1\u9053\u662f\u4e00\u7a2e\u6280\u8853\uff0c\u5141\u8a31\u5ba2\u6236\u7aef\u5728\u4e0d\u7b49\u5f85\u6bcf\u500b\u547d\u4ee4\u7684\u56de\u61c9\u7684\u60c5\u6cc1\u4e0b\uff0c\u6279\u91cf\u767c\u9001\u591a\u500b\u547d\u4ee4\u3002\u9019\u6a23\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\uff0c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002\u4f7f\u7528\u7ba1\u9053\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>redis-cli --pipe<\/code><\/pre>\n<p>\u5728\u9019\u500b\u904e\u7a0b\u4e2d\uff0c\u5ba2\u6236\u7aef\u5c07\u591a\u500b\u547d\u4ee4\u6253\u5305\u4e26\u4e00\u6b21\u6027\u767c\u9001\u5230 Redis \u4f3a\u670d\u5668\uff0c\u4f3a\u670d\u5668\u518d\u5c07\u7d50\u679c\u4e00\u6b21\u6027\u8fd4\u56de\u7d66\u5ba2\u6236\u7aef\u3002<\/p>\n<h2 id=\"%e7%a9%ba%e5%85%83%e7%b4%a0%e7%9a%84%e5%ae%9a%e7%be%a9%e8%88%87%e5%bd%b1%e9%9f%bf-eizDNqHuqq\">\u7a7a\u5143\u7d20\u7684\u5b9a\u7fa9\u8207\u5f71\u97ff<\/h2>\n<p>\u5728 Redis \u7ba1\u9053\u4e2d\uff0c\u7a7a\u5143\u7d20\u901a\u5e38\u6307\u7684\u662f\u5728\u547d\u4ee4\u4e2d\u672a\u63d0\u4f9b\u6709\u6548\u6578\u64da\u7684\u60c5\u6cc1\u3002\u4f8b\u5982\uff0c\u7576\u7528\u6236\u5617\u8a66\u5c07\u4e00\u500b\u7a7a\u5b57\u7b26\u4e32\u6216 null \u503c\u4f5c\u70ba\u9375\u6216\u503c\u6642\uff0c\u9019\u4e9b\u7a7a\u5143\u7d20\u53ef\u80fd\u6703\u5c0e\u81f4\u610f\u60f3\u4e0d\u5230\u7684\u884c\u70ba\u3002\u9019\u4e0d\u50c5\u5f71\u97ff\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7684\u932f\u8aa4\u3002<\/p>\n<h3 id=\"%e7%a9%ba%e5%85%83%e7%b4%a0%e7%9a%84%e5%b8%b8%e8%a6%8b%e5%a0%b4%e6%99%af-eizDNqHuqq\">\u7a7a\u5143\u7d20\u7684\u5e38\u898b\u5834\u666f<\/h3>\n<ul>\n<li><strong>\u7a7a\u5b57\u7b26\u4e32\u4f5c\u70ba\u9375\uff1a<\/strong>\u5982\u679c\u7528\u6236\u5617\u8a66\u4f7f\u7528\u7a7a\u5b57\u7b26\u4e32\u4f5c\u70ba\u9375\uff0cRedis \u5c07\u7121\u6cd5\u6b63\u78ba\u5b58\u5132\u8a72\u503c\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li><strong>\u7a7a\u503c\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u7528\u6236\u53ef\u80fd\u6703\u5617\u8a66\u5c07\u7a7a\u503c\u5b58\u5132\u5230 Redis \u4e2d\uff0c\u9019\u6703\u5c0e\u81f4\u8a72\u9375\u7684\u503c\u88ab\u8a2d\u7f6e\u70ba nil\uff0c\u5f9e\u800c\u5f71\u97ff\u5f8c\u7e8c\u7684\u6578\u64da\u67e5\u8a62\u3002<\/li>\n<li><strong>\u6279\u91cf\u64cd\u4f5c\u4e2d\u7684\u7a7a\u5143\u7d20\uff1a<\/strong>\u5728\u4f7f\u7528\u7ba1\u9053\u9032\u884c\u6279\u91cf\u64cd\u4f5c\u6642\uff0c\u82e5\u67d0\u4e9b\u547d\u4ee4\u5305\u542b\u7a7a\u5143\u7d20\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6574\u500b\u64cd\u4f5c\u5931\u6557\u6216\u8fd4\u56de\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%99%95%e7%90%86%e7%a9%ba%e5%85%83%e7%b4%a0-eizDNqHuqq\">\u5982\u4f55\u8655\u7406\u7a7a\u5143\u7d20<\/h2>\n<p>\u70ba\u4e86\u907f\u514d\u7a7a\u5143\u7d20\u5c0d Redis \u7ba1\u9053\u7684\u5f71\u97ff\uff0c\u7528\u6236\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e9%a9%97%e8%ad%89%e8%bc%b8%e5%85%a5%e6%95%b8%e6%93%9a-eizDNqHuqq\">1. \u9a57\u8b49\u8f38\u5165\u6578\u64da<\/h3>\n<p>\u5728\u5c07\u6578\u64da\u767c\u9001\u5230 Redis \u4e4b\u524d\uff0c\u61c9\u8a72\u5c0d\u8f38\u5165\u6578\u64da\u9032\u884c\u9a57\u8b49\uff0c\u78ba\u4fdd\u4e0d\u6703\u6709\u7a7a\u5b57\u7b26\u4e32\u6216 null \u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>if (key != null &amp;&amp; !key.isEmpty()) {\n    \/\/ \u767c\u9001\u5230 Redis\n}<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e9%a0%90%e8%a8%ad%e5%80%bc-eizDNqHuqq\">2. \u4f7f\u7528\u9810\u8a2d\u503c<\/h3>\n<p>\u5c0d\u65bc\u53ef\u80fd\u51fa\u73fe\u7a7a\u503c\u7684\u60c5\u6cc1\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u9810\u8a2d\u503c\u4f86\u66ff\u4ee3\u3002\u4f8b\u5982\uff0c\u5982\u679c\u67d0\u500b\u503c\u70ba\u7a7a\uff0c\u53ef\u4ee5\u5c07\u5176\u8a2d\u7f6e\u70ba\u4e00\u500b\u7279\u5b9a\u7684\u6a19\u8a18\u503c\uff1a<\/p>\n<pre><code>value = (value != null) ? value : \"default_value\";<\/code><\/pre>\n<h3 id=\"3-%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86%e6%a9%9f%e5%88%b6-eizDNqHuqq\">3. \u932f\u8aa4\u8655\u7406\u6a5f\u5236<\/h3>\n<p>\u5728\u4f7f\u7528\u7ba1\u9053\u6642\uff0c\u61c9\u8a72\u5be6\u65bd\u932f\u8aa4\u8655\u7406\u6a5f\u5236\uff0c\u4ee5\u4fbf\u5728\u767c\u73fe\u7a7a\u5143\u7d20\u6642\u80fd\u5920\u53ca\u6642\u6355\u7372\u4e26\u8655\u7406\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>try {\n    \/\/ \u767c\u9001\u7ba1\u9053\u547d\u4ee4\n} catch (Exception e) {\n    \/\/ \u8655\u7406\u932f\u8aa4\n}<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-eizDNqHuqq\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7ba1\u9053\u662f\u4e00\u500b\u5f37\u5927\u7684\u529f\u80fd\uff0c\u4f46\u5728\u4f7f\u7528\u904e\u7a0b\u4e2d\uff0c\u7a7a\u5143\u7d20\u7684\u8655\u7406\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u9a57\u8b49\u8f38\u5165\u6578\u64da\u3001\u4f7f\u7528\u9810\u8a2d\u503c\u548c\u5be6\u65bd\u932f\u8aa4\u8655\u7406\u6a5f\u5236\uff0c\u7528\u6236\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u56e0\u7a7a\u5143\u7d20\u5c0e\u81f4\u7684\u554f\u984c\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u61c9\u7528\u7684\u7a69\u5b9a\u6027\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c Redis \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Redis \u7ba1\u9053\u4e2d\u7684\u7a7a\u5143\u7d20\uff0c\u4e86\u89e3\u5176\u5f71\u54cd\u3001\u5904\u7406\u65b9\u6cd5\u53ca\u4f18\u5316\u6280\u5de7\uff0c\u63d0\u5347\u6570\u636e\u4f20\u8f93\u6548\u7387\u4e0e\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-99862","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99862","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=99862"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99862\/revisions"}],"predecessor-version":[{"id":99863,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99862\/revisions\/99863"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=99862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=99862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=99862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}