var uploadListIns;

//多文件列表示例
/**
 * 图片上传
 */
layui.use('upload', function(){
 var $ = layui.jquery,upload = layui.upload;
 var demoListView = $('#proImageList');
 uploadListIns = upload.render({
  elem: '#chooseFile', //选择文件的按钮
  url: 'upload!ftp.action', //后台处理文件长传的方法
  data:{'serviceName':'外协订单供应商上传检验报告','tableName':'T_OUTSOURCE_ORDER','fileType':'图片'},
  accept: 'file', 
  multiple: true,  //是否允许多文件上传
  acceptMime: 'image/*', //规定打开文件选择框时，筛选出的文件类型
  field:'upload',  
  auto: false, 
  bindAction: '#upload', //用来触发上传的按钮ID
  choose: function(obj){ //选择文件后的回调函数，本例中在此将选择的文件进行展示
   var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
   //读取本地文件
   obj.preview(function(index, file, result){
    var tr = $(['<tr id="upload-'+ index +'">'
     ,'<td>'+ file.name +'</td>'
     ,'<td>'+ (file.size/1014).toFixed(1) +'kb</td>'
     ,'<td>等待上传</td>'
     ,'<td>'
     ,'<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>'
     ,'<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>'
     ,'</td>'
     ,'</tr>'].join(''));
 
    //单个重传
    tr.find('.demo-reload').on('click', function(){
     obj.upload(index, file);
    });
 
    //删除
    tr.find('.demo-delete').on('click', function(){
     delete files[index]; //删除对应的文件
     tr.remove();
     uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
    });
    demoListView.append(tr);
   });
  },  
  done: function(res, index, upload){    //多文件上传时，只要有一个文件上传成功后就会触发这个回调函数
   console.info(res);
   if(res.status == "success"){ //上传成功
    var tr = demoListView.find('tr#upload-'+ index)
     ,tds = tr.children();
    tds.eq(2).html('<span style="color: #5FB878;">上传成功</span>');
    tds.eq(3).html('<a href="'+res.url+'" rel="external nofollow" >查看</a>'); //清空操作
    return delete this.files[index]; //删除文件队列已经上传成功的文件
   }else{
    alert(res.message);
   }
   this.error(index, upload);
  },
  allDone: function(obj){ //当文件全部被提交后，才触发
   if(obj.total > obj.successful){
    layer.msg("有文件上传失败，暂不更新生产进度，请重试或联系管理员");
   }else {
    //更新生产进度
    updateProductionSchedule(currentId, currentSchedule);
   }
  },
  error: function(index, upload){
   var tr = demoListView.find('tr#upload-'+ index)
    ,tds = tr.children();
   tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');
   tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
  }
 });
 $(".layui-upload-file").hide();
});

<!-- 模态框（Modal） -->
<div class="modal fade" id="uploadModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
 <div class="modal-dialog">
  <div class="modal-content">
   <div class="modal-header">
    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">
     ×
    </button>
    <h4 class="modal-title" id="myModalLabel">
     上传检验报告
    </h4>
   </div>
   <div class="modal-body">
    <button type="button" class="btn btn-primary" id="chooseFile">选择多文件</button>
    <button type="button" class="btn btn-success" id="upload">开始上传</button>
    <div class="table-responsive">
     <table class="table table-hover">
      <thead><tr>
       <th>文件名</th>
       <th>大小</th>
       <th>状态</th>
       <th>操作</th>
      </tr></thead>
      <tbody id="proImageList"></tbody>
     </table>
    </div>
   </div>
   <div class="modal-footer">
    <button type="button" class="btn btn-default" data-dismiss="modal">关闭
    </button>
   </div>
  </div><!-- /.modal-content -->
 </div><!-- /.modal -->
</div>

function showUploadModal(id) {
 //动态赋值
 uploadListIns.config.data.tableRecordId = id;
 uploadListIns.config.data.filenamePrefix = id+".自检pass.";
 $("#uploadModal").modal("show");
}