js多文件上传框

来源:互联网 发布:java 路由器端口扫描 编辑:程序博客网 时间:2024/04/28 14:04
 

<script type="text/javascript">
 /**
 * 生成多附件上传框
 */
 function createInput(){
    var str = '<div name="div" ><font style="font-size:12px;">附件</font>'+
    '&nbsp;&nbsp;&nbsp;'+ '<input type="file"  contentEditable="false"' +
    '" name="uploads" value="" style="width: 220px" /><input type="button"  value="删除" onclick=" removeInput(event)" />'+'</div>';
    document.getElementById('more').insertAdjacentHTML("beforeEnd",str);
 }
 /**
 * 删除多附件删除框
 */
 function removeInput(evt){
    var el = evt.target == null ? evt.srcElement : evt.target;
    var div = el.parentNode;
    var cont = document.getElementById('more');       
    if(cont.removeChild(div) == null){
     return false;
    }
    return true;
 }
</script>

*****************************************************

<body>
     <table width="276" border="0" cellspacing="0" cellpadding="0">
      <tr>
       <td>
        <input type="button"  value="添加附件" onclick="createInput();" />&nbsp;&nbsp;
       </td>
      </tr>
      <tr>
       <td>
        <div id="more"></div>
       </td>
      </tr>
     </table>

 action中的属性为:
    private List<File> uploads;
    private List<String> uploadsContentType;
    private List<String> uploadsFileName;
</body>

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