学习_$http与promise

      await this.$http.post('vectorDataToImage', {
        vector_file_path: vectorLUDataInPath,
        field_name: 'LUTypeCode',
        img_output_path: outPutfolderPath,
        color_list: ['#fff0', '#ff0000', '#bb9674', '#ffff2d', '#006380', '#9c9c9c'],
      }).then((res => {
        if(res.status === 200){}
        imgRes = res.data
        console.log("successRes = ", res)
      }),(error => {
        console.log(error)
      }))