快捷選時間

舉個慄子
<script>

    var now = new Date();
//    now.setDate(now.getDate()-num);
//    var result = '';
//    result+=now.getFullYear()+'-'+
//            (now.getMonth()+1)+'-'+
//            (now.getDate());
    //格式化日期：yyyy-MM-dd
    function formatDate(date) {
        var myyear = date.getFullYear();
        var mymonth = date.getMonth()+1;
        var myweekday = date.getDate();

        if(mymonth < 10){
            mymonth = "0" + mymonth;
        }
        if(myweekday < 10){
            myweekday = "0" + myweekday;
        }
        return (myyear+"/"+mymonth + "/" + myweekday );
    }
//     今天
    function toDay(){
        var now = new Date();
        return "今天："+formatDate(now);
    }
    console.log(toDay());
//     昨天
    function yesTerDay(){
        var now = new Date();
        now.setDate(now.getDate()-1);
        return "昨天："+formatDate(now);
    }
    console.log(yesTerDay());
//    本周
    function thisWeek(){
        var now = new Date();
        var nowWeek = now.getDay();// 當前星期
        var getWeekEndDate = formatDate(now); // 本周結束日期
        now.setDate(now.getDate()-nowWeek);
        var getWeekStartDate = formatDate(now); // 本周開始日期
        return "本周開始時間："+getWeekStartDate+" 本周結束時間："+getWeekEndDate;
    }
    console.log(thisWeek());
//    上周
    function lastWeek(){
        var now = new Date();
        var nowWeek = now.getDay();
        now.setDate(now.getDate()-nowWeek-7);
        var getUpWeekStartDate = formatDate(now); // 上周開始日期
        now.setDate(now.getDate()+6);
        var getUpWeekEndDate = formatDate(now); // 上周結束日期
        return "上周開始時間："+getUpWeekStartDate+" 上周結束時間："+getUpWeekEndDate;
    }
    console.log(lastWeek());
//    本月
    function thisMonth(){
        var now = new Date();
        var nowDate = now.getDate();//當前日期
        var getMonthEndDate = formatDate(now); // 本月結束日期
        now.setDate(now.getDate()-nowDate+1);
        var getMonthStartDate = formatDate(now); // 本月開始日期
        return "本月開始時間："+getMonthStartDate+" 本月結束時間："+getMonthEndDate;
    }
    console.log(thisMonth());
//    上月
    function lastMonth(){
        var now = new Date();
        var nowDate = now.getDate();//當前日期
        now.setDate(now.getDate()-nowDate+1);
        now.setMonth(now.getMonth() - 1);
        var getLastMonthStartDate = formatDate(now); // 上月開始日期
        now.setMonth(now.getMonth() +1);
        now.setDate(now.getDate()-1);
        var getLastMonthEndDate = formatDate(now); // 上月結束日期
        return "上月開始時間："+getLastMonthStartDate+" 上月結束時間："+getLastMonthEndDate;
    }
    console.log(lastMonth());

</script>

在angular中
//格式化日期：yyyy-MM-dd
function formatDate(date) {
  var myyear = date.getFullYear();
  var mymonth = date.getMonth()+1;
  var myweekday = date.getDate();

  if(mymonth < 10){
    mymonth = "0" + mymonth;
  }
  if(myweekday < 10){
    myweekday = "0" + myweekday;
  }
  return (myyear+"/"+mymonth + "/" + myweekday);
}

var now = new Date();
$scope.ToDay = formatDate(now);

//今天
$scope.toDay = function(){
  var now = new Date();
  $scope.today = formatDate(now);

  $(".recordTime1").val($scope.today);
  $(".recordTime2").val($scope.today);
};

//昨天
$scope.yesTerDay = function(){
  var now = new Date();
  now.setDate(now.getDate()-1);
  $scope.yesTday = formatDate(now);

  $(".recordTime1").val($scope.yesTday);
  $(".recordTime2").val($scope.yesTday);
};


//本周日期
$scope.thisWeek = function(){
  var now = new Date();
  var nowWeek = now.getDay();// 當前星期
  $scope.tswkEnd = formatDate(now); // 本周結束日期
  now.setDate(now.getDate()-nowWeek);
  $scope.tswkStart = formatDate(now); // 本周開始日期

  $(".recordTime1").val($scope.tswkStart);
  $(".recordTime2").val($scope.tswkEnd);
};
//上周
$scope.lastWeek = function(){
  var now = new Date();
  var nowWeek = now.getDay();
  now.setDate(now.getDate()-nowWeek-7);
  $scope.startLastWeek = formatDate(now); // 上周開始日期
  now.setDate(now.getDate()+6);
  $scope.endLastWeek = formatDate(now); // 上周結束日期
  $(".recordTime1").val($scope.startLastWeek);
  $(".recordTime2").val($scope.endLastWeek);

};
//本月
$scope.thisMonth  = function(){

  var now = new Date();
  var nowDate = now.getDate();//當前日期
  $scope.endThisMonth= formatDate(now); // 本月結束日期
  now.setDate(now.getDate()-nowDate+1);
  $scope.startThisMonth = formatDate(now); // 本月開始日期

  $(".recordTime1").val($scope.startThisMonth);
  $(".recordTime2").val($scope.endThisMonth);
};

//上月
$scope.lastMonth = function(){
  var now = new Date();
  var nowDate = now.getDate();//當前日期
  now.setDate(now.getDate()-nowDate+1);
  now.setMonth(now.getMonth() - 1);
  $scope.startLastMonth = formatDate(now); // 上月開始日期

  now.setMonth(now.getMonth() +1);
  now.setDate(now.getDate()-1);
  $scope.endLastMonth = formatDate(now); // 上月結束日期

  $(".recordTime1").val($scope.startLastMonth);
  $(".recordTime2").val($scope.endLastMonth);
};