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function checkfiletype()
{
var fileName = document.getElementById('<%=FilePath.ClientID%>').value;
if (Trim(fileName)=="")
{
alert("ÇëÑ¡ÔñÒªÉÏ´«µÄÎļþ£¡");
document.getElementById('<%=FilePath.ClientID%>').focus();
return false;
}
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var extArray = new Array(".rar",".doc",".rtf",".xls");
//»ñÈ¡ÎļþÃû³Æ
while (fileName.indexOf("\\") != -1)
fileName = fileName.slice(fileName.indexOf("\\") + 1);
//»ñÈ¡ÎļþÀ©Õ¹Ãû
var ext = fileName.slice(fileName.indexOf(".")).toLowerCase();
//±éÀúÎļþÀàÐÍ
for (var i = 0; i < extArray.length; i++)
{
if (extArray[i] == ext)
{
return true;
}
}
alert("Ö»ÄÜÉÏ´«ÏÂÁÐÀàÐ͵ÄÎļþ: " + extArray.join(" "));
document.getElementById('<%=FilePath.ClientID%>').focus();
return false;
}
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