farmer_client/lib/pages/OrderConfirmation/index.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:intl/intl.dart';

class OrderConfirmation extends StatefulWidget {
  const OrderConfirmation({Key? key}) : super(key: key);

  @override
  State<OrderConfirmation> createState() => _OrderConfirmationState();
}

class _OrderConfirmationState extends State<OrderConfirmation> {
  TextEditingController _unameController = TextEditingController();
  TextEditingController _pwdController = TextEditingController();
  GlobalKey _formKey = GlobalKey<FormState>();

  var selectDate; //选择的时间
  var workingArea;


//  20:59:59

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      resizeToAvoidBottomInset: false,
      appBar: AppBar(
        elevation: 0,
        centerTitle: true,
        backgroundColor: Colors.white,
        title: Text(
          '预约',
          style: TextStyle(
              color: Colors.black,
              fontSize: 17.sp,
              letterSpacing: 2,
              fontWeight: FontWeight.bold),
        ),
      ),
      body: Form(
        key: _formKey, //设置globalKey，用于后面获取FormState
        autovalidateMode: AutovalidateMode.onUserInteraction,
        child: Column(
          children: <Widget>[
            Container(
              margin: EdgeInsets.fromLTRB(15, 20, 0, 0),
              alignment: Alignment.topLeft,
              child: Text(
                '作业面积/公顷',
                style: TextStyle(
                    color: Color(0xff222222),
                    fontSize: 17.sp,
                    fontWeight: FontWeight.bold),
              ),
            ),
            TextFormField(
              // autofocus: true,
              keyboardType: TextInputType.number,
              controller: _unameController,
              decoration: const InputDecoration(
                isCollapsed: true,
                contentPadding:
                    EdgeInsets.symmetric(vertical: 8, horizontal: 16),
                counterText: '', //去掉计数
                ///   UnderlineInputBorder 只有下边框  默认使用的就是下边框
                border: UnderlineInputBorder(
                  borderRadius: BorderRadius.all(Radius.circular(10)),
                  borderSide: BorderSide(
                    color: Color(0x30000000),
                    width: 2.0,
                  ),
                ),
                floatingLabelBehavior: FloatingLabelBehavior.never,
                hintText: "请输入具体面积(公顷)",
              ),
              onChanged: (e){
                setState(() {
                  workingArea=e;
                });
              },
              // 校验用户名
              validator: (v) {
                return v!.trim().isNotEmpty ? null : "作业面积/公顷不能为空";
              },
            ),
            Container(
              margin: EdgeInsets.fromLTRB(15, 20, 0, 0),
              alignment: Alignment.topLeft,
              child: Text(
                '作业时间：',
                style: TextStyle(
                    color: Color(0xff222222),
                    fontSize: 17.sp,
                    fontWeight: FontWeight.bold),
              ),
            ),
            Container(
                width: 345.w,
                padding: EdgeInsets.fromLTRB(0, 15, 0, 15),
                decoration: const BoxDecoration(
                  border: Border(
                      bottom: BorderSide(width: 1, color: Color(0x20000000)
                          // 0x17000000
                          )),
                ),
                child: Row(
                  children: [
                    Image(
                      image: AssetImage('images/icons/timeImage.png'),
                      fit: BoxFit.cover,
                      width: 18.w,
                      height: 18.w,
                    ),
                    Padding(
                      padding: EdgeInsets.fromLTRB(10, 0, 0, 0),
                      child: GestureDetector(
                        onTap: () async {
                          var handleChnage = await showDatePicker(
                            context: context,
                            helpText: '请选择作业开始时间',
                            cancelText: '取消',
                            confirmText: '确定',
                            initialDate: selectDate == null
                                ? DateTime.now()
                                : selectDate,
                            firstDate: DateTime.now(),
                            lastDate: DateTime(2030),
                          );
                          setState(() {
                            selectDate = handleChnage;
                            print('${selectDate}+');
                          });
                        },
                        child: Text(selectDate == null
                            ? '请选择日期'
                            : '${DateFormat("yyyy-MM-dd").format(selectDate)}'),
                      ),
                    )
                  ],
                )),
            Container(
              margin: EdgeInsets.fromLTRB(15, 20, 0, 0),
              alignment: Alignment.topLeft,
              child: Text(
                '作业位置：',
                style: TextStyle(
                    color: Color(0xff222222),
                    fontSize: 17.sp,
                    fontWeight: FontWeight.bold),
              ),
            ),
            Container(
              width: 345.w,
              padding: EdgeInsets.fromLTRB(0, 15, 0, 15),
              decoration: BoxDecoration(
                border: Border(
                    bottom: BorderSide(width: 1, color: Color(0x20000000)
                        // 0x17000000
                        )),
              ),
              child: Row(
                mainAxisAlignment: MainAxisAlignment.start,
                children: [
                  Image(
                    image: AssetImage('images/gpsImgae.png'),
                    fit: BoxFit.cover,
                    width: 14.w,
                    height: 17.h,
                  ),
                  Padding(
                      padding: EdgeInsets.fromLTRB(10, 0, 0, 0),
                      child: GestureDetector(
                        onTap: () {},
                        child: Container(
                          width: 290.w,
                          child: Text(
                            '请选择详细地址',
                            softWrap: true,
                            maxLines: 1,
                            textAlign: TextAlign.left,
                            overflow: TextOverflow.ellipsis,
                          ),
                        ),
                      ))
                ],
              ),
            ),

            // 登录按钮
            Spacer(),
            Container(
              alignment: Alignment.bottomCenter,
              child: SizedBox(
                width: 315.w,
                height: 49.h,
                child: ElevatedButton(
                  onPressed: () {
                    if ((_formKey.currentState as FormState).validate()) {
                      var a={selectDate,workingArea};
                      print('我确定了$a');
                      //验证通过提交数据
                    }
                  },
                  child: const Text(
                    "确定",
                    style: TextStyle(
                        fontSize: 18,
                        color: Colors.white,
                        fontWeight: FontWeight.bold),
                  ),
                  style: ButtonStyle(
                    elevation: MaterialStateProperty.all(0),
                    backgroundColor:
                        MaterialStateProperty.all(const Color(0xFFFF703B)),
                    shape: MaterialStateProperty.all(
                        const RoundedRectangleBorder(
                            borderRadius:
                                BorderRadius.all(Radius.circular(24.4)))),
                  ),
                ),
              ),
            ),
            Container(
              margin: EdgeInsets.fromLTRB(0, 30.w, 0, 30.w),
              alignment: Alignment.bottomCenter,
              child: SizedBox(
                width: 315.w,
                height: 49.h,
                child: ElevatedButton(
                  onPressed: () {
                    Get.back();
                  },
                  child: const Text(
                    "取消",
                    style: TextStyle(
                        fontSize: 18,
                        color: Color(0xFFFF703B),
                        fontWeight: FontWeight.bold),
                  ),
                  style: ButtonStyle(
                    side: MaterialStateProperty.all(
                        BorderSide(width: 1, color: Color(0xFFFF703B))), //边框
                    elevation: MaterialStateProperty.all(0),
                    backgroundColor: MaterialStateProperty.all(Colors.white),
                    shape: MaterialStateProperty.all(
                      RoundedRectangleBorder(
                          borderRadius:
                              BorderRadius.all(Radius.circular(24.4))),
                    ),
                  ),
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }
}