UTC时间(单位毫秒)转换标准时间格式

Date.prototype.format = function (format) {
							    var o = {
							    "M+": this.getMonth() + 1, //month
							    "d+": this.getDate(), //day
							    "h+": this.getHours(), //hour
							    "m+": this.getMinutes(), //minute
							    "s+": this.getSeconds(), //second
							    "q+": Math.floor((this.getMonth() + 3) / 3), //quarter
							    "S": this.getMilliseconds() //millisecond
							    }
							    if (/(y+)/.test(format)) format = format.replace(RegExp.$1,
							    (this.getFullYear() + "").substr(4 - RegExp.$1.length));
							    for (var k in o) if (new RegExp("(" + k + ")").test(format))
							    format = format.replace(RegExp.$1,
							    RegExp.$1.length == 1 ? o[k] :
							    ("00" + o[k]).substr(("" + o[k]).length));
							    return format;
							    }
								var newTime=new Date(utcTime*1000);   // 乘以1000换算成毫秒
								var currentTime=newTime.format("yyyy-MM-dd hh:mm:ss");