這只是其中幾種簡單的方法，后續會補充，請持續關注

這是完整dome代碼，直接復制放入main.dart就可以了

import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:url_launcher/url_launcher.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    debugPaintSizeEnabled = true;
    return MaterialApp(
        theme: ThemeData(
          primarySwatch: Colors.red,
        ),
        home: Scaffold(
          appBar: AppBar(
            title: Text("text實例dome"),
          ),
          body: Center(
            child: Column(
              //垂直居中
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                //普通文本
                Text(
                  "我要做一個有追求，有抱負，有理想的人！希望我想買的東西，不需要為錢考慮",
                  maxLines: 1, //字體行數
                  overflow: TextOverflow.ellipsis, //超出行數截斷或隱藏顯示3個...
                  softWrap: true, //自動換行
                  //字體的樣式
                  style: TextStyle(
                    fontSize: 30, //字體的大小
                    decoration: TextDecoration.lineThrough, //刪除線
                    decorationStyle: TextDecorationStyle.wavy, //刪除線樣式),
                  ),
                ),
                SizedBox(
                  height: 10,
                ),

                //富文本
                RichText(
                    text: TextSpan(
                        text: "做一個好人",
                        style: TextStyle(color: Colors.red, fontSize: 20),
                        children: [
                      TextSpan(text: "做一個有錢人"),
                      TextSpan(
                          text: "做一個萬人仰慕的人",
                          style: TextStyle(color: Colors.blue),
                          //可以點擊訪問鏈接 的文本
                          recognizer: TapGestureRecognizer()
                            ..onTap = () async {
                              String url = "http://baidu.com";
                              if (await canLaunch(url)) {
                                await launch(url);
                              } else {
                                throw "error: $url";
                              }
                            })
                    ]))
              ],
            ),
          ),
        ));
  }
}

class MemoryImageWidget extends StatefulWidget {
  @override
  _MemoryImageWidgetState createState() => _MemoryImageWidgetState();
}

class _MemoryImageWidgetState extends State<MemoryImageWidget> {
  @override
  Widget build(BuildContext context) {
    return Container(
      child: Text("這是什么"),
    );
  }
}