此示例将Shimmer.fromColors构件 Package 在Container中，其宽度和高度与图像的尺寸匹配，以确保在加载过程中微光效果覆盖整个图像。此外，它还将Shimmer.fromColors中的SizedBox Package 到Container中，以确保在加载过程中微光效果覆盖整个图像。
请确保传递给Image.network（）小部件的路径变量是指向要显示的图像的有效URL，并且传递的宽度和高度

import 'package:flutter/material.dart';
    import 'package:shimmer/shimmer.dart';
    
    class NetworkImageWidget extends StatelessWidget {
      final double? width;
      final double? height;
      final String path;
      final BoxFit? fit;
      final BlendMode? colorBlendMode;
      final Color? imageColor;
      final double radius;
      final Color? backgroundColor;
      final List<BoxShadow>? boxShadow;
      final BoxBorder? border;
      final EdgeInsetsGeometry? padding;
    
      const NetworkImageWidget({
        Key? key,
        required this.path,
        this.width,
        this.height,
        this.fit,
        this.imageColor,
        this.colorBlendMode,
        this.radius = 0.0,
        this.backgroundColor,
        this.boxShadow,
        this.border,
        this.padding,
      }) : super(key: key);
    
      @override
      Widget build(BuildContext context) {
        return Container(
          decoration: BoxDecoration(
            boxShadow: boxShadow,
            color: Colors.transparent,
            borderRadius: BorderRadius.circular(radius),
          ),
          child: ClipRRect(
            borderRadius: BorderRadius.circular(radius),
            child: Container(
              height: height,
              width: width,
              padding: padding,
              decoration: BoxDecoration(
                borderRadius: BorderRadius.circular(radius),
                color: backgroundColor,
                boxShadow: boxShadow,
                border: border,
              ),
              child: Image.network(
                path,
                fit: fit ?? BoxFit.cover,
                height: height,
                width: width,
                colorBlendMode: colorBlendMode ?? BlendMode.darken,
                color: imageColor ?? Colors.black26,
                loadingBuilder: (BuildContext context, Widget child, ImageChunkEvent? loadingProgress) {
                  if (loadingProgress == null) return child;
                  return Container(
                    width: width,
                    height: height,
                    child: Shimmer.fromColors(
                      baseColor: Colors.grey[500]!,
                      highlightColor: Colors.grey[100]!,
                      child: SizedBox(width: width, height: height),
                    ),
                  );
                },
                errorBuilder: (context, error, stackTrace) {
                  return const Center(child: Icon(Icons.error_outline));
                },
              ),
            ),
          ),
        );
      }
    }