//将个数位日期转为07

function p(s) {

    return s < 10 ? '0' + s: s;

}

//获取一个月日期

function getcurrent() {

//将一个月的日期填入搜索框

    var currentYear=new Date().getFullYear();

    var currentMonth=new Date().getMonth()+1;  

    var currentDate=new Date().getDate();

    var current =currentYear+"-"+currentMonth+"-"+p(currentDate);

    return current;

}

function getlastmonth() {

var currentYear=new Date().getFullYear();

var currentMonth=new Date().getMonth()+1;  

var lastMonth=new Date().getMonth();

var currentDate=new Date().getDate();

    var prevCurrentYear=0;

    var prevCurrentMonth=0;

    if(currentMonth==0){

        prevCurrentYear=currentYear-1;

        prevCurrentMonth=12;

    }else{

        prevCurrentYear=currentYear;

        prevCurrentMonth=currentMonth-1;

    }

    var lastmonth=prevCurrentYear+"-"+prevCurrentMonth+"-"+p(currentDate)

    return lastmonth;

}