function isinteger(str)
{
if (str.length!=6)
return false
for(i=0;i<str.length;i++)
{
if (str.charAt(i)<'0' || str.charAt(i)>'9' )
return false
}
return true
}
{
if (str.length!=6)
return false
for(i=0;i<str.length;i++)
{
if (str.charAt(i)<'0' || str.charAt(i)>'9' )
return false
}
return true
}
{
if (/^\d{6}$/.test(str))
return true
else
return false
}
<!--
var str = "123456";
alert(/^\d{6}$/.test(str));
//-->
</SCRIPT>
{
if(obj.value!="")
{
if(isNaN(obj.value)||obj.value.length!=6)
{
alert("请输入6位数字。");
return false;
}else
{
return true;
}
}else
{alert("请输入内容");return false;}
}
function check_value(action)
{
if (action.value.length>6)
{
alert("位数过长!");
document.form1.action.focus();
document.form1.action.select();
return false;
}
else
{
var valid = "0123456789"
var ok = "yes";
var temp;
for (var i=0; i<document.form1.action.value.length; i++)
{
temp = "" + document.form1.action.value.substring(i, i+1);
if (valid.indexOf(temp) == "-1") ok = "no";
}
if (ok == "no")
{
alert("输入存在非法字符!");
document.form1.action.focus();
document.form1.action.select();
return false;
}
return true;
}
}
</script>