可自定义加载时占位图片和加载失败时展示的图片 class ImageBuildView extends StatelessWidget {String? url;double radius;double? width;double? height;String placeholder;ImageBuildView({super.key,this.url,this.width,this.height,this.radius = 50,this.placeholder = "assets/images/loading.png"});@overrideWidget build(BuildContext context) {return ClipRRect(borderRadius: BorderRadius.circular(radius),child: FadeInImage.assetNetwork(placeholder: placeholder,image: url != null && url!.isNotEmpty ? "${Api.BASE_URL}/$url" : '',fit: BoxFit.cover,width: width ?? 60.w,height: height ?? 60.w,imageErrorBuilder: (context, error, stackTrace) {return Center(child: Image.asset("assets/images/image_error.png",width: (width ?? 60.w) - 20.w, height: (height ?? 60.w) - 20.w),);},),);} }