huixiang_app/lib/view_widget/activity_poster.dart

import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:huixiang/retrofit/data/activity_pos.dart';

import 'custom_image.dart';

class ActivityPoster extends StatefulWidget {
  final ActivityPos activityPos;

  ActivityPoster(this.activityPos);

  @override
  State<StatefulWidget> createState() {
    return _ActivityPoster();
  }
}

class _ActivityPoster extends State<ActivityPoster> {
  @override
  Widget build(BuildContext context) {
    return Container(
      width: double.infinity,
      height: 289,
      alignment: Alignment.center,
      margin: EdgeInsets.only(
        left:37,
        right:37,
      ),
      child: Stack(
        children: [
          GestureDetector(
            onTap: (){
              jumpClick(widget.activityPos);
            },
            child:
            Container(
              decoration: BoxDecoration(
                borderRadius: BorderRadius.circular(12),
              ),
              child:MImage(
                widget?.activityPos?.showImage ?? "",
                width: double.infinity,
                height: MediaQuery.of(context).size.height / 2,
                fit: BoxFit.cover,
                radius: BorderRadius.all(Radius.circular(12)),
                errorSrc: "assets/image/default_1.webp",
                fadeSrc: "assets/image/default_1.webp",
              ),),
          ),
          Container(
              padding: EdgeInsets.only(top: 8,right: 8,bottom:8),
              child:GestureDetector(
                behavior: HitTestBehavior.opaque,
                onTap: (){
                  Navigator.of(context).pop();
                },
                child: Row(children: [
                  Spacer(),
                  Image.asset(
                    "assets/image/cancel.webp",
                    width: 24,
                    height: 24,
                    color: Colors.white,
                  )
                ],)
              ) )
        ],
      ),
    );
  }

  /// contentType     跳转类型（0：不跳转，1：积分商品，2：活动，3：文章,4:页面跳转,5:课程）
  jumpClick(ActivityPos activityPos) async {
    switch (activityPos.jumpType) {
      case 1:
        Navigator.of(context).pushNamed('/router/integral_store_page',
            arguments: {"goodsId": widget.activityPos.jumpUrl});
        break;
      case 2:
        Navigator.of(context)
            .pushNamed('/router/web_page', arguments: {
          "activityId": widget.activityPos.jumpUrl,
        });
        break;
      case 3:
        Navigator.of(context)
            .pushNamed('/router/web_page', arguments: {
          "articleId": widget.activityPos.jumpUrl,
        });
        break;
      case 4:
        String router = widget.activityPos.jumpUrl;
        if (router.contains("?")) {
          String params = router.substring(router.indexOf("?"));
          params = params.replaceAll("?", "");
          Map map = jsonDecode(params);
          Navigator.of(context).pushNamed(router, arguments: map);
        } else {
          Navigator.of(context).pushNamed(router);
        }
        break;
      case 5:
        Navigator.of(context)
            .pushNamed('/router/class_details', arguments: {
          "id": widget.activityPos.jumpUrl,
        });
        break;
    }
  }
}