Flutter 设置带图标的圆角搜索框

13 min read

Flutter search radius button with search icon

import 'package:flutter/material.dart';

// search radius button with search icon
class SearchButton extends StatefulWidget {
  const SearchButton({Key? key}) : super(key: key);

  @override
  State<SearchButton> createState() => _SearchButtonState();
}

class _SearchButtonState extends State<SearchButton> {
  @override
  Widget build(BuildContext context) {
    return TextField(
      decoration: InputDecoration(
        contentPadding:
            const EdgeInsets.symmetric(horizontal: 16.0, vertical: 12.0),
        enabledBorder: const OutlineInputBorder(
          borderRadius: BorderRadius.all(Radius.circular(10.0)),
          borderSide: BorderSide(
            color: Colors.transparent,
          ),
        ),
        border: OutlineInputBorder(
          borderRadius: BorderRadius.circular(30.0),
        ),
        suffixIcon: const Icon(
          Icons.search,
          color: Colors.grey,
        ),
        filled: true,
        fillColor: Colors.grey[100],
        hintText: '请输入搜索内容',
        hintStyle: TextStyle(
          color: Colors.grey,
        ),
      ),
    );
  }
}