{"id":1093,"date":"2020-09-11T09:32:48","date_gmt":"2020-09-11T01:32:48","guid":{"rendered":"http:\/\/123.57.164.21\/?p=1093"},"modified":"2021-01-30T14:52:44","modified_gmt":"2021-01-30T06:52:44","slug":"nodejs-%e4%bd%bf%e7%94%a8node-schedule-%e5%ae%9a%e6%97%b6%e4%bb%bb%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=1093","title":{"rendered":"NodeJs \u4f7f\u7528node-schedule \u5b9a\u65f6\u4efb\u52a1"},"content":{"rendered":"\n

\u5728\u5b9e\u9645\u5f00\u53d1\u9879\u76ee\u4e2d\uff0c\u4f1a\u9047\u5230\u5f88\u591a\u5b9a\u65f6\u4efb\u52a1\u7684\u5de5\u4f5c\u3002\u6bd4\u5982\uff1a\u5b9a\u65f6\u5bfc\u51fa\u67d0\u4e9b\u6570\u636e\u3001\u5b9a\u65f6\u53d1\u9001\u6d88\u606f\u6216\u90ae\u4ef6\u7ed9\u7528\u6237\u3001\u5b9a\u65f6\u5907\u4efd\u4ec0\u4e48\u7c7b\u578b\u7684\u6587\u4ef6\u7b49\u7b49<\/p>\n\n\n\n

\u4e00\u822c\u53ef\u4ee5\u5199\u4e2a\u5b9a\u65f6\u5668\uff0c\u6765\u5b8c\u6210\u76f8\u5e94\u7684\u9700\u6c42\uff0c\u5728node.js<\/code>\u4e2d\u81ea\u5df2\u5b9e\u73b0\u4e5f\u975e\u5e38\u5bb9\u6613\uff0c\u63a5\u4e0b\u6765\u8981\u4ecb\u7ecd\u7684\u662fnode-schedule<\/code>\u6765\u5b8c\u6210\u5b9a\u65f6\u4efb\u52a1<\/p>\n\n\n\n

\u4e0b\u9762\u5c31\u7528\u793a\u4f8b\u6765\u8bf4\u660e\u4e00\u4e0bnode-schedule<\/code>\u7684\u7528\u6cd5\u3002<\/p>\n\n\n\n

\u5b89\u88c5<\/p>\n\n\n\n

npm install node-schedule --save<\/code> \u6216\u8005 yarn add node-schedule<\/code><\/p>\n\n\n\n

\u7528\u6cd5<\/p>\n\n\n\n

1\u3001Cron\u98ce\u683c\u5b9a\u65f6\u5668<\/code><\/p>\n\n\n\n

const schedule = require('node-schedule');\n\nconst  scheduleCronstyle = ()=>{\n  \/\/\u6bcf\u5206\u949f\u7684\u7b2c30\u79d2\u5b9a\u65f6\u6267\u884c\u4e00\u6b21:\n    schedule.scheduleJob('30 * * * * *',()=>{\n        console.log('scheduleCronstyle:' + new Date());\n    }); \n}\n\nscheduleCronstyle();<\/pre>\n\n\n\n
schedule.scheduleJob\u7684\u56de\u8c03\u51fd\u6570\u4e2d\u5199\u5165\u8981\u6267\u884c\u7684\u4efb\u52a1\u4ee3\u7801\uff0c\u4e00\u4e2a\u5b9a\u65f6\u5668\u5c31\u5b8c\u6210\u4e86\uff01<\/p>\n\n\n\n
\u89c4\u5219\u53c2\u6570\u8bb2\u89e3 *\u4ee3\u8868\u901a\u914d\u7b26<\/code><\/h5>\n\n\n\n
*  *  *  *  *  *\n\u252c \u252c \u252c \u252c \u252c \u252c\n\u2502 \u2502 \u2502 \u2502 \u2502  |\n\u2502 \u2502 \u2502 \u2502 \u2502 \u2514 day of week (0 - 7) (0 or 7 is Sun)\n\u2502 \u2502 \u2502 \u2502 \u2514\u2500\u2500\u2500\u2500\u2500 month (1 - 12)\n\u2502 \u2502 \u2502 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 day of month (1 - 31)\n\u2502 \u2502 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 hour (0 - 23)\n\u2502 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 minute (0 - 59)\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 second (0 - 59, OPTIONAL)<\/pre>\n\n\n\n
6\u4e2a\u5360\u4f4d\u7b26\u4ece\u5de6\u5230\u53f3\u5206\u522b\u4ee3\u8868\uff1a\u79d2\u3001\u5206\u3001\u65f6\u3001\u65e5\u3001\u6708\u3001\u5468\u51e0<\/p>\n\n\n\n
*<\/code>\u8868\u793a\u901a\u914d\u7b26\uff0c\u5339\u914d\u4efb\u610f\uff0c\u5f53\u79d2\u662f*<\/code>\u65f6\uff0c\u8868\u793a\u4efb\u610f\u79d2\u6570\u90fd\u89e6\u53d1\uff0c\u5176\u5b83\u7c7b\u63a8<\/p>\n\n\n\n
\u4e0b\u9762\u53ef\u4ee5\u770b\u770b\u4ee5\u4e0b\u4f20\u5165\u53c2\u6570\u5206\u522b\u4ee3\u8868\u7684\u610f\u601d<\/p>\n\n\n\n
\u6bcf\u5206\u949f\u7684\u7b2c30\u79d2\u89e6\u53d1\uff1a '30 * * * * *'\n\n\u6bcf\u5c0f\u65f6\u76841\u520630\u79d2\u89e6\u53d1 \uff1a'30 1 * * * *'\n\n\u6bcf\u5929\u7684\u51cc\u66681\u70b91\u520630\u79d2\u89e6\u53d1 \uff1a'30 1 1 * * *'\n\n\u6bcf\u6708\u76841\u65e51\u70b91\u520630\u79d2\u89e6\u53d1 \uff1a'30 1 1 1 * *'\n\n2016\u5e74\u76841\u67081\u65e51\u70b91\u520630\u79d2\u89e6\u53d1 \uff1a'30 1 1 1 2016 *'\n\n\u6bcf\u54681\u76841\u70b91\u520630\u79d2\u89e6\u53d1 \uff1a'30 1 1 * * 1'<\/pre>\n\n\n\n
\u6bcf\u4e2a\u53c2\u6570\u8fd8\u53ef\u4ee5\u4f20\u5165\u6570\u503c\u8303\u56f4:<\/p>\n\n\n\n
const task1 = ()=>{\n  \/\/\u6bcf\u5206\u949f\u76841-10\u79d2\u90fd\u4f1a\u89e6\u53d1\uff0c\u5176\u5b83\u901a\u914d\u7b26\u4f9d\u6b21\u7c7b\u63a8\n  schedule.scheduleJob('1-10 * * * * *', ()=>{\n    console.log('scheduleCronstyle:'+ new Date());\n  })\n}\n\ntask1()\n<\/pre>\n\n\n\n
2\u3001\u5bf9\u8c61\u6587\u672c\u8bed\u6cd5\u5b9a\u65f6\u5668<\/code><\/p>\n\n\n\n
const schedule = require('node-schedule');\n\nfunction scheduleObjectLiteralSyntax(){\n\n    \/\/dayOfWeek\n    \/\/month\n    \/\/dayOfMonth\n    \/\/hour\n    \/\/minute\n    \/\/second\n      \/\/\u6bcf\u5468\u4e00\u7684\u4e0b\u534816\uff1a11\u5206\u89e6\u53d1\uff0c\u5176\u5b83\u7ec4\u5408\u53ef\u4ee5\u6839\u636e\u6211\u4ee3\u7801\u4e2d\u7684\u6ce8\u91ca\u53c2\u6570\u540d\u81ea\u7531\u7ec4\u5408\n    schedule.scheduleJob({hour: 16, minute: 11, dayOfWeek: 1}, function(){\n        console.log('scheduleObjectLiteralSyntax:' + new Date());\n    });\n   \n}\n\nscheduleObjectLiteralSyntax();\n<\/pre>\n\n\n\n
3\u3001\u53d6\u6d88\u5b9a\u65f6\u5668<\/code><\/p>\n\n\n\n
\u8c03\u7528 \u5b9a\u65f6\u5668\u5bf9\u8c61\u7684cancl()\u65b9\u6cd5\u5373\u53ef<\/code><\/p>\n\n\n\n
const schedule = require('node-schedule');\n\nfunction scheduleCancel(){\n\n    var counter = 1;\n    const j = schedule.scheduleJob('* * * * * *', function(){\n        \n        console.log('\u5b9a\u65f6\u5668\u89e6\u53d1\u6b21\u6570\uff1a' + counter);\n        counter++;\n        \n    });\n\n    setTimeout(function() {\n        console.log('\u5b9a\u65f6\u5668\u53d6\u6d88')\n      \/\/ \u5b9a\u65f6\u5668\u53d6\u6d88\n        j.cancel();   \n    }, 5000);\n    \n}\n\nscheduleCancel();<\/pre>\n","protected":false},"excerpt":{"rendered":"
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