app-starlock/star_lock/lib/tools/customNetworkImage.dart

import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';

/*
* 显示网络图片 并加缓存
* */

class CustomNetworkImage extends StatelessWidget {
  final String url;
  final String defaultUrl;
  final double width;
  final double height;
  final BoxFit boxFit;
  const CustomNetworkImage({Key? key, required this.url, required this.defaultUrl, required this.width, required this.height, this.boxFit=BoxFit.cover}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return url.isNotEmpty ? CachedNetworkImage(
      width: width,
      height: height,
      fit: boxFit,
      imageUrl: url,
      imageBuilder: (context, imageProvider) => Container(
        decoration: BoxDecoration(
          image: DecorationImage(
              image: imageProvider,
              fit: boxFit,
              colorFilter: const ColorFilter.mode(Colors.transparent, BlendMode.colorBurn)),
        ),
      ),
      errorWidget: (context, url, error) => Image.asset(
        defaultUrl,
        width: width,
        height: height,
        fit: BoxFit.fill,
      ),
    ) :Image.asset(
    defaultUrl,
    width: width,
    height: height,
    fit: BoxFit.fill,
    );
  }
}