{"id":208427,"date":"2021-01-08T09:24:19","date_gmt":"2021-01-08T01:24:19","guid":{"rendered":"https:\/\/lrxjmw.cn\/?p=208427"},"modified":"2020-12-29T09:26:59","modified_gmt":"2020-12-29T01:26:59","slug":"java-redis-linux","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/java-redis-linux.html","title":{"rendered":"\u7b80\u5355\u4ecb\u7ecdredis\u52a0\u9501\u5e38\u7528\u51e0\u79cd\u65b9\u5f0f"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u4e86\u6d45\u8c08redis\u52a0\u9501\u5e38\u7528\u51e0\u79cd\u65b9\u5f0f\uff0c\u6587\u4e2d\u901a\u8fc7\u793a\u4f8b\u4ee3\u7801\u4ecb\u7ecd\u7684\u975e\u5e38\u8be6\u7ec6\uff0c\u5bf9\u5927\u5bb6\u7684\u5b66\u4e60\u6216\u8005\u5de5\u4f5c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u5b66\u4e60\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u4eec\u4e0b\u9762\u968f\u7740\u5c0f\u7f16\u6765\u4e00\u8d77\u5b66\u4e60\u5b66\u4e60\u5427<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div   id="j6sjwn9j3u"    style=\"margin-top:2em;margin-bottom:1em\"><span style=\"color:#1E1E1E;letter-spacing: 2px;border-left:#FF3030 3px solid;border-right:#FF3030 3px solid;padding-left: 8px;padding-right:8px;font-size: 12pt\"><strong>\u4e00\u3001incr\u52a0\u9501<\/strong><\/span><\/div>\n<pre>\r\n<?php\r\n$redis = new Redis();\r\n$redis->connect('127.0.0.1');\r\n$redis->multi();\r\n$redis->incr('number');\r\n\/\/$redis->decr('number');\r\n\/\/$redis->expire('number', -1);\r\nvar_dump($redis->get('number'));\r\nvar_dump($redis->ttl('number'));<\/pre>\n<div   id="j6sjwn9j3u"    style=\"margin-top:2em;margin-bottom:1em\"><span style=\"color:#1E1E1E;letter-spacing: 2px;border-left:#FF3030 3px solid;border-right:#FF3030 3px solid;padding-left: 8px;padding-right:8px;font-size: 12pt\"><strong>\u4e8c\u3001setnx\u52a0\u9501<\/strong><\/span><\/div>\n<pre>\r\n<?php\r\n$redis->setnx('name', 'felix');\r\nvar_dump($redis->get('name'));\r\nvar_dump($redis->ttl('name'));<\/pre>\n<div   id="j6sjwn9j3u"    style=\"margin-top:2em;margin-bottom:1em\"><span style=\"color:#1E1E1E;letter-spacing: 2px;border-left:#FF3030 3px solid;border-right:#FF3030 3px solid;padding-left: 8px;padding-right:8px;font-size: 12pt\"><strong>\u4e09\u3001set\u52a0\u9501<\/strong><\/span><\/div>\n<pre>\r\n<?php\r\n$redis->set('like', 'chuangxi', ['nx', 'ex' => 10]);\r\n\/\/$redis->del('like');\r\nvar_dump($redis->get('like'));\r\nvar_dump($redis->ttl('like'));<\/pre>\n<div   id="j6sjwn9j3u"    style=\"margin-top:2em;margin-bottom:1em\"><span style=\"color:#1E1E1E;letter-spacing: 2px;border-left:#FF3030 3px solid;border-right:#FF3030 3px solid;padding-left: 8px;padding-right:8px;font-size: 12pt\"><strong>\u56db\u3001\u9632\u6b62\u6b7b\u9501<\/strong><\/span><\/div>\n<pre>\r\n<?php\r\n$isLock = false;\r\ndo {\r\n  $isLock = $redis->set('like', 'a', ['nx', 'ex' => 10]);\r\n  if($isLock) {\r\n    if($redis->get('like') == 'a') {\r\n      \/\/\u6267\u884c\u903b\u8f91\r\n      $redis->del('like');\r\n      continue;\r\n    }\r\n  } else {\r\n    usleep(5000);\r\n  }\r\n} while (!$isLock);\r\n  \r\n\/\/redis\u4e8b\u52a1\r\n$redis->set();\r\n$redis->watch(['number', 'like']);<\/pre>\n<p>\u5230\u6b64\u8fd9\u7bc7\u5173\u4e8e\u6d45\u8c08redis\u52a0\u9501\u5e38\u7528\u51e0\u79cd\u65b9\u5f0f\u7684\u6587\u7ae0\u5c31\u4ecb\u7ecd\u5230\u8fd9\u4e86,\u611f\u8c22\u5927\u5bb6\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1482,"featured_media":202522,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-208427","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/208427","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/1482"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=208427"}],"version-history":[{"count":3,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/208427\/revisions"}],"predecessor-version":[{"id":208430,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/208427\/revisions\/208430"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/202522"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=208427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=208427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=208427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}