jeecg 自定义loading框（导入时加载备份）

1、导入t:upload标签

<t:upload name="fiels" buttonText="选择文件" uploader="predictOrderController.do?importonlyone" extend="*.xls;*.xlsx" 
                      id="file_upload" formData="templates,productId,cargotypeCode,customerId" onUploadSuccess="uploadFile" auto="true"
                      onFileAdded="onFileAddedaa">
                       <input id="customerId" name="customerId" type="hidden" class="inputxt"/>
                       <input id="productId" name="productId" type="hidden" class="inputxt" /> 
                       <input id="cargotypeCode" name="cargotypeCode" type="hidden" class="inputxt" value="P"/> 
                       <input id="barcode" name="barcode" type="hidden" value="Y"/>
                  </t:upload> 

2、添加文件时方法

function onFileAddedaa(){  
      $.messager.progress({ title:'请稍后', msg:'数据导入中...',text:'努力中...' });  
      //$.messager.progress('close');
  }

3、提交成功后方法

function uploadFile(data){  
    var msg = data.msg; 
    msg = msg.replace(/\n/g,"<br>") 
    $("#res").html(msg); 
    $.messager.progress('close');
  }