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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> upload </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>
<BODY>
<FORM ACTION="load.jsp" METHOD="POST" ENCTYPE="mutipart/form-data" name="myform">
 ÇëÑ¡ÔñÉÏ´«Îļþ£º<INPUT TYPE="file" NAME="picture"/>
<INPUT TYPE="button" value="Ìá ½»" onclick="check(myform);"/>
<INPUT TYPE="button" value="È¡ Ïû" onclick="window.close();"/>
</FORM>
</BODY>
</HTML>
<script language="javascript">
function isEmpty(str){
 for(var i=0;i<str.length;i++){
  if(str.charAt(i)!==" "){
    return false;
  }
 }
 return true;
}
function check(form){
 var fileName = form.picture.value;
 if(isEmpty(fileName)){
    alert("ÇëÑ¡ÔñÎļþÃû");
    form.picture.focus();
    return false;
 }
 //lastIndexOfÈç¹ûûÓÐËÑË÷µ½Ôò·µ»ØÎª-1
    if(fileName.lastIndexOf(".")!=-1)
 {
    var fileType = (fileName.substring(fileName.lastIndexOf(".")+1,fileName.length)).toLowerCase();
       var suppotFile = new Array();
    suppotFile[0] = "gif";
    suppotFile[1] = "bmp";
    suppotFile[2] = "jpg";
    for(var i =0;i<suppotFile.length;i++){
       if(suppotFile[i]==fileType){
     return true;
    }else{
   continue;
    }
  }
  alert("²»Ö§³ÖÎļþÀàÐÍ"+fileType);
  return false;
 }else
 {
  alert("ÎļþÖ»Ö§³ÖJIF£¬BMP£


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{
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