<tpupload bind:tpuploadFun="tpupload1" imgs="{{imgs}}" tpNum=‘9‘ ></tpupload>

 tpupload1(e){
    console.log(e.detail.imgs, ‘这个是子组件传递来的数据‘) 
},

  that.triggerEvent(‘tpuploadFun‘,{
          imgs:imgs
        })