1.小程序处理时间,自动补0,以-连接
/**
* 处理时间,自动补0,以-连接
*/
formatDate:function(year,month,day){
console.log(year,month,day)
month = month.toString();
day = day.toString();
return year + '-' + (month[1] ? month : '0' + month) + '-' + (day[1] ? day : '0' + day)
},