js 时间戳转换为‘yyyy

js 时间戳转换为‘yyyy

function formatDate(date,fmt) {if(/(y )/.test(fmt)){fmt = place(RegExp.$1,(FullYear() '').substr(4-RegExp.$1.length));}let o = {'M ':Month()   1,'d ':Date(),'h ':Hours(),'m ':Minutes(),'s ':Seconds()};// 遍历这个对象for(let k in o){if(new RegExp(`(${k})`).test(fmt)){// console.log(`${k}`)console.log(RegExp.$1)let str = o[k]   '';fmt = place(RegExp.$1,(RegExp.$1.length===1)?str:padLeftZero(str));}}return fmt;
};function padLeftZero(str) {return ('00' str).substr(str.length);
}

let TimeNow = 1514374627*1000
let newTime = new Date(TimeNow)

formatDate(newTime,'yyyy-MM-dd hh:mm')   //2017-12-27 19:37