复制代码 代码如下:

var controldate;

function checkDate(){

controldate= document.getElementById("sendDate").value;

if(controldate==""){

alert('日期不能为空');

return false;

}else{

var day = new Date(); var Year = 0;

var Month = 0;

var Day = 0;

var CurrentDate = "";

//初始化时间

Year = day.getFullYear();

Month = day.getMonth()+1;

Day = day.getDate();

CurrentDate += Year + "-";

if (Month >= 10 )

{

CurrentDate += Month + "-";

}

else

{

CurrentDate += "0" + Month + "-";

}

if (Day >= 10 )

{

CurrentDate += Day ;

}

else

{

CurrentDate += "0" + Day ;

} //alert(CurrentDate);//当前日期

var startDate = new Date(CurrentDate.replace("-",",")).getTime() ;

var endDate = new Date(controldate.replace("-",",")).getTime() ; if( startDate > endDate )

{

alert('选择日期不能小于当前日期！');

document.getElementById("sendDate").focus();

return false;

}else{

return true;

}

}

}