{"id":6282,"date":"2023-01-07T12:17:31","date_gmt":"2023-01-07T04:17:31","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=6282"},"modified":"2023-01-07T12:17:31","modified_gmt":"2023-01-07T04:17:31","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8node-js%e7%9a%84cron%e4%be%86%e9%80%b2%e8%a1%8c%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/node-js\/%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8node-js%e7%9a%84cron%e4%be%86%e9%80%b2%e8%a1%8c%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Node.js\u7684Cron\u4f86\u9032\u884c\u5b9a\u6642\u4efb\u52d9"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Node.js, cron, \u5b9a\u6642\u4efb\u52d9\"><\/p>\n<h1>Node.js \u4e2d\u5982\u4f55\u4f7f\u7528 cron \u9032\u884c\u5b9a\u6642\u4efb\u52d9\uff1f<\/h1>\n<p>Node.js \u662f\u4e00\u500b\u5ee3\u53d7\u6b61\u8fce\u7684 JavaScript \u74b0\u5883\uff0c\u5b83\u53ef\u4ee5\u7528\u65bc\u958b\u767c\u5404\u7a2e\u61c9\u7528\u7a0b\u5f0f\uff0c\u5305\u62ec\u5b9a\u6642\u4efb\u52d9\u3002\u5728 Node.js \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 cron \u4f86\u57f7\u884c\u5b9a\u6642\u4efb\u52d9\uff0c\u4e26\u4e14\u53ef\u4ee5\u8a2d\u5b9a\u4efb\u52d9\u7684\u57f7\u884c\u6642\u9593\u3002<\/p>\n<p><!--more--><\/p>\n<p>Cron \u662f\u4e00\u500b Unix \u7cfb\u7d71\u7684\u5b9a\u6642\u4efb\u52d9\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u5728\u6307\u5b9a\u7684\u6642\u9593\u57f7\u884c\u6307\u5b9a\u7684\u4efb\u52d9\u3002\u5728 Node.js \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 cron \u6a21\u7d44\u4f86\u57f7\u884c\u5b9a\u6642\u4efb\u52d9\u3002<\/p>\n<p>\u8981\u4f7f\u7528 cron \u6a21\u7d44\uff0c\u9996\u5148\u9700\u8981\u5b89\u88dd cron \u6a21\u7d44\uff1a<\/p>\n<pre><code class=\"line-numbers\">npm install cron\n<\/code><\/pre>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u53ef\u4ee5\u5728\u7a0b\u5f0f\u4e2d\u5f15\u5165 cron \u6a21\u7d44\uff1a<\/p>\n<pre><code class=\"line-numbers\">const cron = require('cron');\n<\/code><\/pre>\n<p>\u63a5\u8457\uff0c\u53ef\u4ee5\u4f7f\u7528 cron \u6a21\u7d44\u4f86\u5efa\u7acb\u4e00\u500b\u65b0\u7684 cron \u4efb\u52d9\uff1a<\/p>\n<pre><code class=\"line-numbers\">const job = new cron.CronJob('* * * * * *', () =&gt; {\n  console.log('\u6bcf\u79d2\u57f7\u884c\u4e00\u6b21');\n});\n<\/code><\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u6703\u5efa\u7acb\u4e00\u500b\u65b0\u7684 cron \u4efb\u52d9\uff0c\u6bcf\u79d2\u57f7\u884c\u4e00\u6b21\u3002<\/p>\n<p>Cron \u4efb\u52d9\u7684\u57f7\u884c\u6642\u9593\u53ef\u4ee5\u4f7f\u7528 cron \u8a9e\u6cd5\u4f86\u6307\u5b9a\uff0c\u5b83\u7531\u516d\u500b\u6b04\u4f4d\u7d44\u6210\uff0c\u5206\u5225\u8868\u793a\uff1a\u79d2\uff080-59\uff09\u3001\u5206\uff080-59\uff09\u3001\u6642\uff080-23\uff09\u3001\u65e5\uff081-31\uff09\u3001\u6708\uff081-12\uff09\u3001\u661f\u671f\uff080-7\uff09\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u8981\u8a2d\u5b9a\u6bcf\u5929\u65e9\u4e0a 8 \u9ede\u57f7\u884c\u4efb\u52d9\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u8a9e\u6cd5\uff1a<\/p>\n<pre><code class=\"line-numbers\">0 0 8 * * *\n<\/code><\/pre>\n<p>\u4e0a\u9762\u7684\u8a9e\u6cd5\u8868\u793a\u6bcf\u5929\u65e9\u4e0a 8 \u9ede\u57f7\u884c\u4efb\u52d9\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528 cron \u6a21\u7d44\u4f86\u505c\u6b62 cron \u4efb\u52d9\uff1a<\/p>\n<pre><code class=\"line-numbers\">job.stop();\n<\/code><\/pre>\n<p>\u7e3d\u7d50\uff0cNode.js \u4e2d\u53ef\u4ee5\u4f7f\u7528 cron \u6a21\u7d44\u4f86\u57f7\u884c\u5b9a\u6642\u4efb\u52d9\uff0c\u4e26\u4e14\u53ef\u4ee5\u4f7f\u7528 cron \u8a9e\u6cd5\u4f86\u6307\u5b9a\u4efb\u52d9\u7684\u57f7\u884c\u6642\u9593\uff0c\u4ee5\u53ca\u505c\u6b62 cron \u4efb\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Node.js\u7684Cron\u4f86\u9032\u884c\u5b9a\u6642\u4efb\u52d9\uff0c\u4e26\u8a73\u7d30\u89e3\u91cbCron\u7684\u529f\u80fd\u53ca\u5176\u5728Node.js\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[193,192],"tags":[191,190],"class_list":["post-6282","post","type-post","status-publish","format-standard","hentry","category-node","category-node-js","tag-node","tag-node-js"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1Dk","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6282","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=6282"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6282\/revisions"}],"predecessor-version":[{"id":6283,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6282\/revisions\/6283"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=6282"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=6282"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=6282"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}