name="excelFile" 这是和后台商定的,name="filePath" 很重要 否则会出现参数400  
js部分
  // 批量导入
    var token = "";
    if (sessionStorage.token) {
        var token = sessionStorage.token;
    };
    $scope.data={};
    $('.imgFileMul').fileinput({
        language: 'zh', //设置语言
        allowedFileExtensions: ["xls", "xlsx"], //接收的文件后缀
        showClose:false,//是否显示关闭按钮
        uploadUrl:$rootScope.baseUrl+'laborage/importExcel',
        showRemove:true,
        maxFileCount: 1,
        showCaption: true,
        showBrowse: true,
        showPreview: false,
        maxFileSize:0, //单位为KB，如果为0表示不限制文件大小
        dropZoneEnabled:false,
        showUpload: true, //是否显示上传按钮
        enctype: 'multipart/form-data',
        validateInitialCount:false,
        previewFileIcon: "<iclass='glyphicon glyphicon-king'></i>",
        overwriteInitial:false,//预设图片 不会被覆盖
        ajaxSettings:{
    　　　　"headers" : {'token' : token}
    　　},
        previewFileIconSettings: {
            'docx': '<i class="glyphicon glyphicon-file"></i>',
            'xlsx': '<i class="glyphicon glyphicon-file"></i>',
            'pptx': '<i class="glyphicon glyphicon-file"></i>',
            'jpg': '<i class="glyphicon glyphicon-picture"></i>',
            'pdf': '<i class="glyphicon glyphicon-file"></i>',
            'zip': '<i class="glyphicon glyphicon-file"></i>',
        },
    }).on("fileuploaded", function (event, data, previewId, index){//上传成功
      $scope.data.monicker = data.files[index].name;
        if(data.response.code == 0) {
          $scope.data.information = "上传成功!";
        } else {
          $scope.data.information = "上传失败!";
        }
        $timeout(function() {
          $(".info-modal").modal('show');
        },1000)
    });
    $scope.goBackFun = function() {
      $(".info-modal").hide();
    }
html 部分
  <form style="height:34px;padding:10px 0;">
     <div class="form-group" style="margin:0;">
         <label class="control-label" style="line-height:34px;padding:0;float:left;">批量导入：</label>
         <div class="col-sm-7" style="padding-left:5px;">
           <div class="row" style="display: flex;flex-wrap: wrap;" id="imgWrap">
              <div class="col-sm-7">
                 <input id="input-b5" ng-model="banner.bannerFile" name="filePath" type="file" class="file imgFileMul">
              </div>
            </div>
        </div>
     </div>
  </form>

// 提示框
<div class="modal fade in info-modal" id="alertModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="false" style="display: none;">
    <div class="modal-dialog modal-sm" style="margin-top:200px;">
        <div class="modal-content" style="border: 1px solid #dbdbdb;box-shadow: 3px 5px 10px #ccc;">
            <div class="modal-header">
                <button type="button" class="close" ng-click="goBackFun()" data-dismiss="modal" aria-hidden="true">×</button>
                <h5 class="modal-title">提示信息</h5>
            </div>
            <div class="modal-body">{{data.monicker}}{{data.information}}</div>
            <div class="modal-footer">
                <button class="btn btn-primary okBtn" ng-click="goBackFun()" type="button" data-dismiss="modal">确定</button>
            </div>
        </div>
    </div>
</div>