flutter_tracker/lib/pages/submit_page.dart

import 'dart:io';

import 'package:file_picker/file_picker.dart';
import 'package:flutter/material.dart';
import 'package:flutter_tracker/dio/track_dao.dart';
import 'package:flutter_tracker/model/config.dart';
import 'package:flutter_tracker/model/submit_model.dart';
import 'package:flutter_tracker/utils/app_util.dart';
import 'package:shared_preferences/shared_preferences.dart';

/// Description:
/// Time       : 2021年12月03日 Friday
/// Author     : liuyuqi.gov@msncn
class SubmitPage extends StatefulWidget {
  const SubmitPage({Key key}) : super(key: key);

  @override
  _SubmitPageState createState() => _SubmitPageState();
}

class _SubmitPageState extends State<SubmitPage> {
  final TextEditingController _controllerUsn = TextEditingController();
  final TextEditingController _controllerTel = TextEditingController();
  final TextEditingController _controllerAddress = TextEditingController();
  final GlobalKey _formKey = GlobalKey<FormState>();

  String _userName = "";
  String _tel = "";
  String _addresds = "";
  int _heathStatus = 1;
  int _submitid = 0;
  String _filePath;

  Size get _size => MediaQuery.of(context).size;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("疫情上报"),
      ),
      body: SingleChildScrollView(
        child: Padding(
          padding: const EdgeInsets.only(left: 8.0, right: 8),
          child: Column(
            children: [
              TextFormField(
                autofocus: true,
                controller: _controllerUsn,
                decoration: const InputDecoration(
                    labelText: "姓名：",
                    hintText: "请输入真实姓名",
                    icon: Icon(Icons.person)),
                // 校验用户名
                validator: (v) {
                  return v.trim().length > 0 ? null : "姓名不能为空";
                },
                onChanged: (inputStr) {
                  _userName = inputStr;
                },
              ),
              TextFormField(
                controller: _controllerTel,
                decoration: const InputDecoration(
                    labelText: "电话：",
                    hintText: "联系电话",
                    icon: Icon(Icons.phone)),
                validator: (v) {
                  return v.trim().length > 11 ? null : "手机号错误";
                },
                onChanged: (inputStr) {
                  _tel = inputStr;
                },
              ),
              TextFormField(
                controller: _controllerAddress,
                decoration: const InputDecoration(
                    labelText: "住址：",
                    hintText: "请输入家庭住址",
                    icon: Icon(Icons.house)),
                validator: (v) {
                  return v.trim().length > 0 ? null : "请输入地址";
                },
                onChanged: (inputStr) {
                  _addresds = inputStr;
                },
              ),
              SizedBox(
                height: 10,
              ),
              Align(
                child: Text(
                  "健康状态：",
                  style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
                ),
                alignment: Alignment.centerLeft,
              ),
              RadioListTile(
                title: Text("阴性"),
                value: 1,
                groupValue: _heathStatus,
                onChanged: (value) {
                  setState(() {
                    _heathStatus = value;
                  });
                },
              ),
              RadioListTile(
                title: Text("阳性"),
                value: 2,
                groupValue: _heathStatus,
                onChanged: (value) {
                  setState(() {
                    _heathStatus = value;
                  });
                },
              ),
              SizedBox(
                height: 10,
              ),
              Align(
                child: Text(
                  "核酸检测：",
                  style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
                ),
                alignment: Alignment.centerLeft,
              ),
              Text("请拍照上传清晰的核酸证明图片"),
              InkWell(
                onTap: () {
                  chooseImg();
                },
                child: Container(
                  child: Image.asset(
                    "assets/images/add.png",
                    width: 160,
                    height: 160,
                  ),
                ),
              ),
              buildUploadImage(),
              SizedBox(
                height: 10,
              ),
              Container(
                width: 150,
                child: InkWell(
                  onTap: () {
                    // 登录
                    submitInfo();
                  },
                  child: Container(
                    width: double.infinity,
                    height: AppUtil.height(80),
                    padding: EdgeInsets.only(
                        right: AppUtil.width(20), left: AppUtil.width(20)),
                    decoration: BoxDecoration(
                        gradient: const LinearGradient(colors: [
                          ThemeColor.loignColor,
                          ThemeColor.loignColor
                        ]),
                        borderRadius: BorderRadius.circular(10),
                        boxShadow: const [
                          BoxShadow(
                            offset: Offset(1.0, 5.0),
                            color: ThemeColor.loignColor,
                            blurRadius: 5.0,
                          )
                        ]),
                    child: const Center(
                      child: Text(
                        "提交",
                        style: TextStyle(fontSize: 20, color: Colors.white),
                      ),
                    ),
                  ),
                ),
              ),
              const SizedBox(
                height: 50,
              ),
            ],
          ),
        ),
      ),
    );
  }

  Widget buildUploadImage() {
    if (_filePath != null) {
      return Image.file(
        File(_filePath),
        width: 160,
        height: 160,
      );
    } else {
      return Text("");
    }
  }

  void submitInfo() async {
    if (_submitid > 0) {
      SharedPreferences prefs = await SharedPreferences.getInstance();
      String token = prefs.getString("token");
      var uploadTrack = TrackDao.uploadTrack(
          token, _userName, _tel, _addresds, _heathStatus, _submitid);

      AppUtil.buildToast("提交完成");
      Navigator.pop(context);
    } else {
      AppUtil.buildToast("请先添加核酸检测图片！");
    }
  }

  void chooseImg() async {
    FilePickerResult result = await FilePicker.platform.pickFiles(
      type: FileType.custom,
      allowedExtensions: ['jpg'],
    );
    if (result != null) {
      print('---选择的路径---' + result.files.single.path);
      setState(() {
        _filePath = result.files.single.path;
      });

      SharedPreferences prefs = await SharedPreferences.getInstance();
      var token = prefs.getString("token");
      SubmitEntity submiEntity = await TrackDao.uploadImg(
          token, result.files.single.path, result.files.single.name);
      AppUtil.buildToast(submiEntity.msg.msg);
      _submitid = submiEntity.submitModel.id;
    } else {
      print('用户停止了选择文件');
    }
  }
}