多文件上传

自己写的，css 就不放上了

<div class="tck_but04_zh mar_top20 ">
                          <span class="sctp_bq width400">
                              <input class="filePrew" tabindex="3" name="file1" id="pic_url" size="3" type="file" accept=".pdf,.doc,.docx,.xls,.xlsx"  multiple="multiple">
                              <img src="img/ico_fu.png">
                              <span>点击上传文件，支持word、pdf、xls、xlsx格式文件</span>
                          </span>
                        </div>
               
                       <div id="content_c"></div>  
                       <script>  
                       var inputElement = document.getElementById("pic_url");    
                    inputElement.addEventListener("change", handleFiles, false);  
                      
                    function handleFiles(){  
                        var fileList = this.files;  
                           var dd = document.getElementById('content_c');  
                        for( var i = 0 ; i < fileList.length ; i++ ){  
                               dd.innerHTML += "<div class='ches_fe'>"+fileList[i].name+"<a class='dele_few'>删除</a></div>";  
                        }  
                    }  
                       </script>