我们可以用 UserAccountsDrawerHeader 代替 DrawerHeader，这个Widget 默认了更方便的样式。

accountName，名字
accountEmail，电子邮件
currenAccountPicture，头像

class Home extends StatelessWidget {
  @override
    Widget build(BuildContext context) {
      return DefaultTabController(
        length: 3,
        child: Scaffold(
          backgroundColor: Colors.grey[100],
          appBar: AppBar(
            title: Text('Muzico'),
            elevation: 0.0,
            bottom: TabBar(
              unselectedLabelColor: Colors.black38,
              indicatorColor: Colors.green,
              indicatorSize: TabBarIndicatorSize.label,
              indicatorWeight: 5.0,
              tabs: <Widget>[
                Tab(icon: Icon(Icons.local_bar),),
                Tab(icon: Icon(Icons.local_cafe),),
                Tab(icon: Icon(Icons.local_offer),),
              ],
            ),
            ),
            body: TabBarView(
              children: <Widget>[
                Icon(Icons.local_bar, size: 128.0, color: Colors.black12,),
                Icon(Icons.local_cafe, size: 128.0, color: Colors.black12,),
                Icon(Icons.local_offer, size: 128.0, color: Colors.black12,),
              ],
            ),
            drawer: Drawer(
              child: ListView(
                padding: EdgeInsets.zero,
                children: <Widget>[
                  UserAccountsDrawerHeader(
                    accountName: Text('Muzico', style: TextStyle(fontWeight: FontWeight.bold),),
                    accountEmail: Text('547153062@qq.com'),
                    currentAccountPicture: CircleAvatar(
                      backgroundImage: NetworkImage('https://yococoxc.github.io/muzicoLogo.jpg'),
                    ),
                  ),
                  ListTile(
                    title: Text('AAAAAA', textAlign: TextAlign.right,),
                    trailing: Icon(Icons.message, color:Colors.black12, size: 25.0,),
                    onTap: () => Navigator.pop(context),
                  ),
                  ListTile(
                    title: Text('AAAAAA', textAlign: TextAlign.left,),
                    leading: Icon(Icons.message, color:Colors.black12, size: 25.0,),
                    onTap: () => Navigator.pop(context),
                  ),
                ],
              ),
            ),
        ),
      );
    }
}