dating-touchme-app/lib/pages/signature_page.dart

import 'package:dating_touchme_app/components/page_appbar.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';

class SignaturePage extends StatefulWidget {
  const SignaturePage({super.key});

  @override
  State<SignaturePage> createState() => _SignaturePageState();
}

class _SignaturePageState extends State<SignaturePage> {


  String message = '拒绝内耗，向阳而生，用热爱抵御岁月漫长，用真诚对待每一次相遇拒绝内耗，向阳而生，用热爱抵御岁月漫长，用真诚对待每一次相遇';
  final TextEditingController _messageController = TextEditingController();

  @override
  void initState() {
    super.initState();

    _messageController.value = TextEditingValue(
      text: message,
      selection: TextSelection.fromPosition(TextPosition(offset: message.length)),
    );
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: PageAppbar(title: "交友心声",),
      body: Container(
        padding: EdgeInsets.all(35.w),
        child: TextField(
          controller: _messageController,
          maxLength: 50,          // 上限
          minLines: 5,             // 多行
          maxLines: 5,          // 自适应高度
          style: TextStyle(
              fontSize: ScreenUtil().setWidth(26),
              height: 1
          ), 
          decoration: InputDecoration(
            contentPadding: EdgeInsets.symmetric(
                vertical: 0,
                horizontal: 0
            ),
            hintText: "请输入交友心声",

            border: const OutlineInputBorder(
              borderSide: BorderSide.none, // 这将移除边框 // 可选：设置圆角
            ),
            // 如果你希望聚焦时和未聚焦时都没有边框，也可以设置 focusedBorder 和 enabledBorder
            focusedBorder: const OutlineInputBorder(
              borderSide: BorderSide.none,
              borderRadius: BorderRadius.all(Radius.circular(8.0)),
            ),
            enabledBorder: const OutlineInputBorder(
              borderSide: BorderSide.none,
              borderRadius: BorderRadius.all(Radius.circular(8.0)),
            ),
          ),
          onChanged: (value){
            message = value;
          },
        ),
      ),
    );
  }
}