flutter_搜索框

import 'package:flutter/material.dart';

import 'package:flutter_screenutil/flutter_screenutil.dart';

class TextFieldWidgetextends StatelessWidget {

Widget buildTextField() {

// theme设置局部主题

    return Theme(

data:new ThemeData(primaryColor: Colors.grey),

child:Container(

padding:EdgeInsets.only(top:5.0,left:5.0),

decoration:BoxDecoration(

color: Colors.white,

border:Border(

bottom:BorderSide(width:1.0, color: Colors.black12),

top:BorderSide(width:1.0, color: Colors.black12),

right:BorderSide(width:1.0, color: Colors.black12),

left:BorderSide(width:1.0, color: Colors.black12),

)),

child:TextField(

cursorColor: Colors.grey,// 光标颜色

// 默认设置

            decoration:InputDecoration(

contentPadding:const EdgeInsets.symmetric(vertical:10.0),

border: InputBorder.none,

icon:Icon(Icons.search),

hintText:"搜索文件",

hintStyle:new TextStyle(

fontSize:14, color:Color.fromARGB(50,0,0,0))),

style:new TextStyle(fontSize:14, color: Colors.black),

),

));

}

@override

  Widget build(BuildContext context) {

return Container(

// 修饰搜索框, 白色背景与圆角

      decoration:new BoxDecoration(

color: Colors.white,

borderRadius:new BorderRadius.all(new Radius.circular(5.0)),

),

alignment: Alignment.center,

height:ScreenUtil().setHeight(120),

padding:EdgeInsets.fromLTRB(0.0,0.0,0.0,0.0),

child: buildTextField(),

);

}

}

参考链接：https://blog.csdn.net/weixin_34233679/article/details/87016303