vue中文件上传方法（图片，表格）

//html部分
<input type="file" id="people-export" ref="inputer" @change="fileUpload"/>

//方法
fileUpload(event){
      // 上传文件
      console.log(event);
      
      let file = event.target.files
      let formData = new FormData()
      formData.append('category', 'settingPic')
      formData.append('file', file[0])
      console.log(formData);
      // 文件上传
      this.$axios({
        method: "POST",
        url: url_g + '/dcas/event/'+this.contrastId+'/importathlete',
        data: formData
      }).then((res) => {
        let data = res.data
        if(data.success) {
          console.log(data);
          
          
        } else {
          this.$message.error(data.message || '操作失败')
        }
        this.uploadLoading = false
      }).catch((e)=>{
        this.uploadLoading = false
        alert(e)
      })
      
    },
    ```