<script>
function UpLoadForm_Validator(pUpLoadForm)
{
if(document.all.UpLoadFile.value=="")
{
window.confirm("请选择上传的文档!");
pUpLoadForm.UpLoadFile.focus();
return false;
}
var strFileFormat=pUpLoadForm.UpLoadFile.value.match(/^(.*)(\.)(.{1,8})$/)[3];//检查上传文件格式
strFileFormat=strFileFormat.toUpperCase();
if(strFileFormat=="DOC"||strFileFormat=="DOT")
{
}
else
{
window.confirm("只能上传.Doc和.Dot,请重新选择!");
return false;
}
return true;
}
</script>
<form method="POST" enctype="multipart/form-data" action="" onsubmit="return UpLoadForm_Validator(this)" laguage="JavaScript" name="UpLoadForm">
<input type="file" name="UpLoadFile" style="visibility:hidden;">
<input type=button onclick="UpLoadFile.click();">
<input type="submit" value="上传" name="UpLoadButton">
</form>

解决方案 »

  1.   

    <script>
    function UpLoadForm_Validator(pUpLoadForm)
    {
    if(document.all.UpLoadFile.value=="")
    {
    window.confirm("请选择上传的文档!");
    pUpLoadForm.UpLoadFile.focus();
    return false;
    }
    var strFileFormat=pUpLoadForm.UpLoadFile.value.match(/^(.*)(\.)(.{1,8})$/)[3];//检查上传文件格式
    strFileFormat=strFileFormat.toUpperCase();
    if(strFileFormat=="DOC"||strFileFormat=="DOT")
    {
    }
    else
    {
    window.confirm("只能上传.Doc和.Dot,请重新选择!");
    return false;
    }
    return true;
    }
    </script>
    <form method="POST" enctype="multipart/form-data" action="" onsubmit="return UpLoadForm_Validator(this)" laguage="JavaScript" name="UpLoadForm">
    <input type="file" name="UpLoadFile" style="visibility:hidden;">
    <input type=text id="FilePath" onfocus="UpLoadFile.click();document.all.FilePath.value=document.all.UpLoadFile.value;">
    <input type=button onclick="UpLoadFile.click();document.all.FilePath.value=document.all.UpLoadFile.value;">
    <input type="submit" value="上传" name="UpLoadButton">
    </form>