老是有人发符号,我给你屏蔽掉,看你还怎么发 ,不信搞不似你们?
...嘿嘿!!
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "">
<html xmlns="">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script language="javascript">
function check(form1){
var strname=form1.aa.value;
for (var i=0; i<strname.length; i++)
{
var acc=strname.charCodeAt(i);
if(acc>=0&&acc<48&&acc!=46){
alert(acc); return false;
}
if(acc>57 && acc<65){
alert(acc); return false;
}
if(acc>90 && acc<97){
alert(acc); return false;
}
if(acc>122 && acc<=127){
alert(acc); return false;
}
}
}
</script>
</head>
<body>
<table width="724" border="0" cellpadding="0" cellspacing="0">
<!--DWLayoutTable-->
<tr>
<td width="147" height="140"> </td>
<td width="463"> </td>
<td width="114"> </td>
</tr>
<tr>
<td height="105"> </td>
<td valign="top"><form id="form1" name="form1" method="post">
<label>
<input type="text" name="aa" />
</label>
<label>
<input type="submit" value="提交" onclick="check(form1)" />
</label>
</form>
</td>
<td> </td>
</tr>
<tr>
<td height="50"> </td>
<td> </td>
<td> </td>
</tr>
</table>
</body>
</html>
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