1. οnkeyup="this.value=this.value.replace(/"D/g,'')" onafterpaste="this.value=this.value.replace(/"D/g,'')"
2. //限制输入为数字οnkeydοwn="CheckInput()"
function CheckInput()
{
if(!((event.keyCode>=48 && event.keyCode<=57)
||(event.keyCode>=37 && event.keyCode<=40)
||(event.keyCode>=96 && event.keyCode<=105)
||(event.keyCode==59)
||(event.keyCode==46)
||(event.keyCode==8)
||(event.keyCode==17)
||(event.keyCode==64)
||(event.keyCode==86)
||(event.keyCode==88)
||(event.keyCode==67)
||(event.keyCode==229)
||(event.keyCode==188)))
event.returnValue=false;
}