huixiang_app/lib/home/points_mall_view/points_goods_view.dart

import 'package:flutter/material.dart';
import 'package:huixiang/generated/l10n.dart';
import 'package:huixiang/retrofit/data/goods.dart';
import 'package:huixiang/utils/flutter_utils.dart';
import 'package:huixiang/utils/font_weight.dart';
import 'package:huixiang/view_widget/custom_image.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';

class PointGoods extends StatefulWidget {
  final List<Goods> goods;
  final ValueChanged onTap;

  PointGoods(this.goods, this.onTap);

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

class _PointGoods extends State<PointGoods> {
  String pointPrice(Goods goods){
    if(goods == null)
      return "";
    if(goods?.onePrice!=null && goods?.onePrice!="0"){
      return S.of(context).jifen_(goods?.onePrice);
    }else if((goods?.onePrice == null || goods?.onePrice == "0") && ((goods?.price != null  && goods?.price != "0")  || (goods?.money != null  && goods?.money != "0.00"))){
      return (goods?.price== "0"|| goods?.price == null ? "" : S.of(context).jifen_(goods?.price)) + (goods?.money== "0"|| goods?.money == null ? "" : " + ${AppUtils.calculateDouble(double.tryParse(goods?.money) ?? 0)}元");
    }else if(goods.oneMoney != null && goods.oneMoney != "0.00"){
      return "${AppUtils.calculateDouble(double.tryParse(goods.oneMoney) ?? 0)}元";
    }
  }

  @override
  Widget build(BuildContext context) {
    return GridView.builder(
      itemCount: widget.goods == null ? 0 : widget.goods.length,
      padding: EdgeInsets.only(
        left: 16.w,
        right: 16.w,
        top: 18.h,
        bottom: 16.h,
      ),
      shrinkWrap: true,
      physics: NeverScrollableScrollPhysics(),
      gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
        //一行的Widget数量
        crossAxisCount: 2,
        //水平子Widget之间间距
        crossAxisSpacing: 11.w,
        //垂直子Widget之间间距
        mainAxisSpacing: 16.w,
        //子Widget宽高比例  0.59
        childAspectRatio:
            200 / (286.w / 2 + (286.h / 2) * AppUtils.textScale(context)),
      ),
      itemBuilder: (context, index) {
        return GestureDetector(
          onTap: () {
            widget.onTap(index);
          },
          child: buildItem(widget.goods[index]),
        );
      },
    );
  }

  Widget buildItem(Goods goods) {
    return Container(
      alignment: Alignment.center,
      decoration: BoxDecoration(
        borderRadius: BorderRadius.circular(4),
        boxShadow: [
          BoxShadow(
            color: Colors.black.withAlpha(12),
            offset: Offset(0, 3),
            blurRadius: 14,
            spreadRadius: 0,
          )
        ],
        color: Colors.white,
      ),
      child: Stack(
        alignment: AlignmentDirectional.topEnd,
        fit: StackFit.loose,
        children: [
          Column(
            mainAxisAlignment: MainAxisAlignment.start,
            crossAxisAlignment: CrossAxisAlignment.start,
            mainAxisSize: MainAxisSize.max,
            children: [
              MImage(
                goods.mainImgPath,
                aspectRatio: 158/158,
                radius: BorderRadius.only(
                  topLeft: Radius.circular(6),
                  topRight: Radius.circular(6),
                ),
                fit: BoxFit.cover,
                errorSrc: "assets/image/default_1.webp",
                fadeSrc: "assets/image/default_1.webp",
              ),
              Expanded(
                child: Container(
                  margin: EdgeInsets.only(
                    left: 12.w,
                    right: 12.w,
                    top: 10.h,
                  ),
                  child: Column(
                    mainAxisAlignment: MainAxisAlignment.spaceAround,
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Expanded(child: Text(
                        goods.name,
                        overflow: TextOverflow.ellipsis,
                        maxLines: 2,
                        style: TextStyle(
                          color: Color(0xff353535),
                          fontWeight: MyFontWeight.medium,
                          fontSize: 15.sp,
                        ),
                      )),
                      SizedBox(height: 5.h,),
                      Column(
                        mainAxisAlignment: MainAxisAlignment.start,
                        crossAxisAlignment: CrossAxisAlignment.start,
                        children: [
                          Text(
                            pointPrice(goods),
                            overflow: TextOverflow.ellipsis,
                            maxLines: 2,
                            style: TextStyle(
                              color: Color(0xFFE5600D),
                              fontSize: 15.sp,
                              fontWeight: MyFontWeight.semi_bold,
                            ),
                          ),
                          // Row(
                          //   children: [
                          //     Image.asset(
                          //       "assets/image/green_leaf.webp",
                          //       fit: BoxFit.cover,
                          //       width: 12,
                          //       height: 12,
                          //     ),
                          //     Text(
                          //       "x100",
                          //       overflow: TextOverflow.ellipsis,
                          //       maxLines: 2,
                          //       style: TextStyle(
                          //         color: Color(0xFF32A060),
                          //         fontWeight: MyFontWeight.semi_bold,
                          //         fontSize: 15.sp,
                          //       ),
                          //     ),
                          //   ],
                          // ),
                        ],
                      )
                      // Row(
                      //   mainAxisAlignment: MainAxisAlignment.spaceBetween,
                      //   crossAxisAlignment: CrossAxisAlignment.end,
                      //   children: [
                      //     Expanded(
                      //       child: Text(
                      //         S.of(context).yuan_(goods.worth),
                      //         style: TextStyle(
                      //           color: Color(0xFF585858),
                      //           decoration: TextDecoration.lineThrough,
                      //           decorationColor: Color(0xFF585858),
                      //           fontWeight: MyFontWeight.regular,
                      //           fontSize: 12.sp,
                      //         ),
                      //       ),
                      //       flex: 1,
                      //     ),
                      //     Text(
                      //       "库存:${goods?.stock ?? goods?.stock ??""}份",
                      //       style: TextStyle(
                      //         color: Color(0xFF585858),
                      //         decorationColor: Color(0xFF353535),
                      //         fontWeight: MyFontWeight.medium,
                      //         fontSize: 12.sp,
                      //       ),
                      //     ),
                      //   ],
                      // ),
                    ],
                  ),
                ),
                flex: 1,
              ),
              SizedBox(
                height: 10.h,
              ),
            ],
          ),
          // Visibility(
          //   visible: goods.isHot,
          //   child: ClipRRect(
          //     borderRadius: BorderRadius.only(topRight: Radius.circular(4)),
          //     child: Image.asset(
          //       "assets/image/icon_hot_right_top.webp",
          //       width: 36,
          //       height: 36,
          //       fit: BoxFit.cover,
          //     ),
          //   ),
          // ),
        ],
      ),
    );
  }
}