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//日期计算事件
function checkDate(){
var year = $("#p_start_date").val();
var startdateStr = $("#p_start_date").val();
alert("1===="+startdateStr);
var startdate = getDate(startdateStr);
alert("2===="+startdate);
if(startdate == ''){
alert("请选择开始时间!");
}
var enddate = DateAdd("y",parseInt(year),startdate);
var enddateStr = enddate.format('yyyy-MM-dd hh:mm');
$("#p_end_date").val(enddateStr);
}