将2021-05-23T00:00:00转化成2021-05-23格式

function Zero(num) { 
             return (num < 10 ? "0"   num : num); } ///将字符串转换时间格式 var d = new Date(value); var formatdatetime = d.getFullYear()   '-'   Zero(d.getMonth()   1)   '-'   Zero(d.getDate());