Flutter：弹窗UI，不带背景色，自定义图片的弹窗

  // 初始化数据void _initData() {showInviteFriendDialog();update(["home"]);}// 显示邀请好友弹窗void showInviteFriendDialog() {Get.dialog(Dialog(backgroundColor: Colors.transparent,elevation: 0,child: <Widget>[// 弹窗内容<Widget>[ImgWidget(path: 'assets/images/home12.png',width: 470.w,height: 470.w,),SizedBox(height: 30.w),TextWidget.body('邀请好友尊享交易返佣', size: 32.sp, color: AppTheme.colorfff),SizedBox(height: 20.w),// <Widget>[//   TextWidget.body('共同解锁', size: 32.sp, color: AppTheme.colorfff),//   TextWidget.body('1000USDT', size: 48.sp, color: AppTheme.colorGreen,weight: FontWeight.w600),//   TextWidget.body('奖励', size: 32.sp, color: AppTheme.colorfff),// ].toRow(mainAxisAlignment: MainAxisAlignment.center),SizedBox(height: 40.w),ButtonWidget(text: '邀请好友',width: 690,height: 88,borderRadius: 44,backgroundColor: AppTheme.colorfff,textColor: AppTheme.color000,onTap: () {Get.back();Get.toNamed('/sharePage');},),SizedBox(height: 60.w),const Icon(Icons.close,size: 32,color: Colors.white,).onTap((){Get.back();}),].toColumn().paddingAll(30.w),].toColumn(crossAxisAlignment: CrossAxisAlignment.center,mainAxisAlignment: MainAxisAlignment.center)),barrierColor: Colors.black.withOpacity(0.7),);}