uniapp上传图片的回显

  <u-upload
                            :fileList="fileList1"
                            @afterRead="afterRead"
                            @delete="deletePic"
                            name="1"
                            multiple
                            :maxCount="1"
                            width="125"
                            height="125"
                        >
                         </u-upload>

                    this.fileList1=[{url:this.formData.headUrl}]