一、forEach

  1. import 'package:flutter/material.dart';
  2. import 'data.dart';
  4. void main() {
  5.   runApp(MyApp());
  6. }
  8. // 自定义组件
  9. class MyApp extends StatelessWidget {
  10.   @override
  11.   Widget build(BuildContext context) {
  12.     // TODO: implement build
  13.     return MaterialApp(
  14.       home: Scaffold(
  15.           appBar: AppBar(
  16.             title: Text("flutter"),
  17.           ),
  18.           body: HomeContent()),
  19.     );
  20.   }
  21. }
  23. class HomeContent extends StatelessWidget {
  24.   List<Widget> getData() {
  25.     List<Widget> arr = new List();
  26.     data.forEach((item) {
  27.       arr.add(ListTile(
  28.         title: Text(item["title"]),
  29.         subtitle: Text(item["subtitle"]),
  30.       ));
  31.     });
  32.     return arr;
  33.   }
  35.   @override
  36.   Widget build(BuildContext context) {
  37.     // TODO: implement build
  38.     return ListView(children: this.getData());
  39.   }
  40. }

二、map

  1. List<Widget> _getData(){
  2.     var templist = ListData.map((value){
  3.       return ListTile(
  4.         leading: Image.network(value["ImgUrl"]),
  5.         title: Text(value["title"]),
  6.         subtitle: Text(value["title"]),
  7.       );
  8.     });
  9.     return templist.toList();
  10.   }