*  *  *  *  *  *
┬  ┬  ┬  ┬  ┬  ┬
│  │  │  │  │  |
│  │  │  │  │  └ [dayOfWeek]day of week (0 - 7) (0 or 7 is Sun)
│  │  │  │  └───── [month]month (1 - 12)
│  │  │  └────────── [date]day of month (1 - 31)
│  │  └─────────────── [hour]hour (0 - 23)
│  └──────────────────── [minute]minute (0 - 59)
└───────────────────────── [second]second (0 - 59, OPTIONAL)

var schedule = require('node-schedule');
var date = new Date(2017, 11, 16, 16, 43, 0);

var j = schedule.scheduleJob(date, function(){
 console.log('现在时间：',new Date());
});

var rule = new schedule.RecurrenceRule();
rule.second = 10;
var j = schedule.scheduleJob(rule, function(){
 console.log('现在时间：',new Date());
});

  var schedule = require("node-schedule");

  var date = new Date(2014,2,14,15,40,0);

  var j = schedule.scheduleJob(date, function(){

　　　　console.log("执行任务");

　 });

 j.cancel();

　　var rule = new schedule.RecurrenceRule();

　　rule.minute = 40;

　　var j = schedule.scheduleJob(rule, function(){

　　　　console.log("执行任务");

　　});

　　var rule = new schedule.RecurrenceRule();

　　rule.dayOfWeek = [0, new schedule.Range(1, 6)];

　　rule.hour = 20;

　　rule.minute = 0;

　　var j = schedule.scheduleJob(rule, function(){

　　　　console.log("执行任务");

　　});

　　var rule = new schedule.RecurrenceRule();

　　var times = [];

　　for(var i=1; i<60; i++){

　　　　times.push(i);

　　}

　　rule.second = times;

　　var c=0;
　　var j = schedule.scheduleJob(rule, function(){
   　　 c++;
   　　console.log(c);
　　});