Flutter 颤振:-行-列布局-文本溢出和间隔符消失

Flutter 颤振:-行-列布局-文本溢出和间隔符消失,flutter,Flutter,我创建了一个布局(代码如下),但我面临两个问题 问题1:bottomRightSection中的文本溢出到屏幕外,而不是进入下一行 我试着把它放在一个包装和容器小部件中,我也试着添加max-lines属性,但它仍然在外部溢出 第2期:在TopRight部分,我想将文本和图标按钮移动到屏幕右端 当我在它们之间添加间隔符()或将它们包装成展开/柔性时,它们就会消失 我将感谢您的时间和支持 import 'package:flutter/material.dart'; class ProductI

我创建了一个布局(代码如下),但我面临两个问题

问题1:
bottomRightSection中的文本溢出到屏幕外,而不是进入下一行

我试着把它放在一个包装和容器小部件中,我也试着添加max-lines属性,但它仍然在外部溢出

第2期:
在TopRight部分,我想将文本和图标按钮移动到屏幕右端

当我在它们之间添加间隔符()或将它们包装成展开/柔性时,它们就会消失

我将感谢您的时间和支持

import 'package:flutter/material.dart';

class ProductItemUi extends StatefulWidget {
  @override
  _ProductItemUiState createState() => _ProductItemUiState();
}

class _ProductItemUiState extends State<ProductItemUi> {
  @override
  Widget build(BuildContext context) {
    Widget leftSection() {
      return Column(
        crossAxisAlignment: CrossAxisAlignment.center,
        mainAxisAlignment: MainAxisAlignment.center,
        mainAxisSize: MainAxisSize.min,
        children: <Widget>[
          Text(
            'New',
            style: TextStyle(
              color: Colors.red,
              fontSize: 18.0,
              fontWeight: FontWeight.w400,
            ),
          ),
          SizedBox(
            height: 10.0,
          ),
          CircleAvatar(
            backgroundColor: Colors.grey,
            radius: 25.0,
          ),
        ],
      );
    }

    Widget topRightSection() {
      return Row(
        crossAxisAlignment: CrossAxisAlignment.center,
        children: <Widget>[
          Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: <Widget>[
              Text(
                'Product Name',
                style: TextStyle(
                  color: Colors.black,
                  fontSize: 18.0,
                ),
              ),
              Text(
                'Product Price',
                style: TextStyle(
                  color: Colors.black,
                  fontSize: 15.0,
                ),
              ),
            ],
          ),
          //Spacer(),
          FlatButton(
            onPressed: () {},
            child: Text(
              'Cart',
              style: TextStyle(
                color: Colors.black,
                fontSize: 15.0,
              ),
            ),
          ),
          IconButton(
            onPressed: () {},
            icon: Icon(
              Icons.more_vert,
              color: Colors.black,
            ),
          )
        ],
      );
    }

    Widget bottomRightSection() {
      return Container(
        color: Colors.grey[300],
        height: 50.0,
        child: Text(
          'This text will be a long description about the product. Lorem ipsum dolor sit amet, consectetur adipis elit.',
          maxLines: 2,
          overflow: TextOverflow.fade,
          softWrap: false,
          style: TextStyle(
            color: Colors.black,
            fontSize: 15.0,
          ),
        ),
      );
    }

    return Scaffold(
      backgroundColor: Colors.black,
      body: Container(
        margin: EdgeInsets.only(top: 100.0),
        width: MediaQuery.of(context).size.width,
        height: 100.0,
        color: Colors.white,
        child: Row(
          crossAxisAlignment: CrossAxisAlignment.start,
          mainAxisAlignment: MainAxisAlignment.start,
          mainAxisSize: MainAxisSize.min,
          children: <Widget>[
            leftSection(),
            SizedBox(
              width: 5.0,
            ),
            Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: <Widget>[
                topRightSection(),
                bottomRightSection(),
              ],
            ),
          ],
        ),
      ),
    );
  }
}
导入“包装:颤振/材料.省道”;
类ProductItemUi扩展StatefulWidget{
@凌驾
_ProductItemUiState createState()=>\u ProductItemUiState();
}
类_ProductItemUiState扩展状态{
@凌驾
小部件构建(构建上下文){
窗口小部件leftSection(){
返回列(
crossAxisAlignment:crossAxisAlignment.center,
mainAxisAlignment:mainAxisAlignment.center,
mainAxisSize:mainAxisSize.min,
儿童:[
正文(
"新",,
样式:TextStyle(
颜色:颜色,红色,
字体大小:18.0,
fontWeight:fontWeight.w400,
),
),
大小盒子(
身高:10.0,
),
圆形(
背景颜色:颜色。灰色,
半径:25.0,
),
],
);
}
小部件topRightSection(){
返回行(
crossAxisAlignment:crossAxisAlignment.center,
儿童:[
纵队(
crossAxisAlignment:crossAxisAlignment.start,
儿童:[
正文(
“产品名称”,
样式:TextStyle(
颜色:颜色,黑色,
字体大小:18.0,
),
),
正文(
"产品价格",,
样式:TextStyle(
颜色:颜色,黑色,
字体大小:15.0,
),
),
],
),
//垫片(),
扁平按钮(
按下:(){},
子:文本(
“购物车”,
样式:TextStyle(
颜色:颜色,黑色,
字体大小:15.0,
),
),
),
图标按钮(
按下:(){},
图标:图标(
图标。更多信息,
颜色:颜色,黑色,
),
)
],
);
}
Widget bottomRightSection(){
返回容器(
颜色:颜色。灰色[300],
身高:50.0,
子:文本(
“本文将对该产品进行详细描述。Lorem ipsum dolor sit amet,Concertetur adipis elit。”,
maxLines:2,
溢出:TextOverflow.fade,
软包装:错误,
样式:TextStyle(
颜色:颜色,黑色,
字体大小:15.0,
),
),
);
}
返回脚手架(
背景颜色:Colors.black,
主体:容器(
边距:仅限边缘集(顶部:100.0),
宽度:MediaQuery.of(context).size.width,
高度:100.0,
颜色:颜色,白色,
孩子:排(
crossAxisAlignment:crossAxisAlignment.start,
mainAxisAlignment:mainAxisAlignment.start,
mainAxisSize:mainAxisSize.min,
儿童:[
leftSection(),
大小盒子(
宽度:5.0,
),
纵队(
crossAxisAlignment:crossAxisAlignment.start,
儿童:[
topRightSection(),
bottomRightSection(),
],
),
],
),
),
);
}
}

您只需要正确地使用扩展的
,就像我在下面的示例中使用的那样

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';

class HomeScreen extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    // TODO: implement createState
    return _HomeScreen();
  }
}

class _HomeScreen extends State<HomeScreen> {
  @override
  Widget build(BuildContext context) {
    return Container(
          color: Colors.white,
          child:
          Wrap(
            children: <Widget>[
              Container(
                height: MediaQuery.of(context).size.width * 0.3,
                color: Colors.lightGreen,
                margin: EdgeInsets.only(top: 20.0, left: 5.0, right: 5.0),
                padding: EdgeInsets.all(5.0),
                child: Row(
                  children: <Widget>[
                    Expanded(
                      flex: 2,
                      child: Align(
                        alignment: Alignment.center,
                        child: Column(
                          children: <Widget>[
                            Text(
                              'New',
                              style: TextStyle(
                                color: Colors.red,
                                fontSize: 18.0,
                                fontWeight: FontWeight.w400,
                              ),
                            ),
                            SizedBox(
                              height: 10.0,
                            ),
                            CircleAvatar(
                              backgroundColor: Colors.grey,
                              radius: MediaQuery.of(context).size.width * 0.08,
                            ),
                          ],
                        ),
                      ),
                    ),
                    Expanded(
                      flex: 8,
                      child: Column(
                        children: <Widget>[
                          Expanded(
                            flex: 5,
                            child: Row(
                              children: <Widget>[
                                Expanded(
                                  flex: 6,
                                  child: Align(
                                    alignment: Alignment.centerLeft,
                                    child: Column(
                                      children: <Widget>[
                                        Text(
                                          'Product Name',
                                          style: TextStyle(
                                            color: Colors.black,
                                            fontSize: 18.0,
                                          ),
                                        ),
                                        Text(
                                          'Product Price',
                                          style: TextStyle(
                                            color: Colors.black,
                                            fontSize: 15.0,
                                          ),
                                        ),
                                      ],
                                    ),
                                  ),
                                ),
                                Expanded(
                                  flex: 4,
                                  child:

                                  Align(
                                    alignment: Alignment.topRight,
                                    child: Row(
                                      children: <Widget>[
                                        FlatButton(
                                          onPressed: () {},
                                          child: Text(
                                            'Cart',
                                            style: TextStyle(
                                              color: Colors.black,
                                              fontSize: 15.0,
                                            ),
                                          ),
                                        ),
                                        GestureDetector( onTap: () {}, child: Icon(
                                          Icons.more_vert,
                                          color: Colors.black,
                                        ) )


                                      ],
                                    ),
                                  )

                                  ,
                                )
                              ],
                            ),
                          ),
                          Expanded(
                            flex: 5,
                            child: Text(
                              'This text will be a long description about the product. Lorem ipsum dolor sit amet, consectetur adipis elit.',
                              textAlign: TextAlign.left,
                              maxLines: 3,
                              overflow: TextOverflow.ellipsis,
                              softWrap: false,
                              style: TextStyle(
                                color: Colors.black,
                                fontSize: 15.0,
                              ),
                            ),
                          )
                        ],
                      ),
                    )
                  ],
                ),
              )
            ],
          )

         ,
        );
  }
}
import'包装:flift/cupertino.dart';
进口“包装:颤振/材料.省道”;
导入“package:flatter/rendering.dart”;
类主屏幕扩展StatefulWidget{
@凌驾
状态createState(){
//TODO:实现createState
返回主屏幕();
}
}
类_主屏幕扩展状态{
@凌驾
小部件构建(构建上下文){
返回容器(
颜色:颜色,白色,
儿童:
包裹(
儿童:[
容器(
高度:MediaQuery.of(上下文).size.width*0.3,
颜色:颜色。浅绿色,
边距:仅限边集(顶部:20.0,左侧:5.0,右侧:5.0),
填充:所有边缘设置(5.0),
孩子:排(
儿童:[
扩大(
弹性:2,
子对象:对齐(
对齐:对齐.center,
子:列(
儿童:[
正文(
"新",,
样式:TextStyle(
颜色:颜色,红色,
字体大小:18.0,
fontWeight:fontWeight.w400,
),
),
大小盒子(
身高:10.0,
),
圆形(
背景颜色:颜色。灰色,
半径:MediaQuery.of(上下文).size.width*0.08,
),
],
),
),
),
扩大(
弹性:8,
子:列(
儿童:[