类似163附件上传的JS

 

<script language="javascript">  
      var i = 0;   
      var maxTime = 10;//最大次数   
      function addFile() {      
           if(i < maxTime){   
                i++;   
                var fileDiv = document.all['fileDiv'];   
                var strHtml = '<span><input type="file"><button onclick="removeFile(parentNode);">删除</button><br></span>';   
                fileDiv.innerHTML += strHtml;   
           }else{   
                alert("对不起，最多只能上传10个附件");   
           }     
      }   
         
      function removeFile(obj) {   
           i --    
           alert(i);   
           obj.removeNode(true);   
      }   
</script>  
<form enctype="multipart/form-data">  
      <a href="javascript:void(addFile());" class="file">添加附件</a>  
      <div id="fileDiv"></div>  
</form>