flutter_app_fuyou/lib/code/YSAddBodyData.dart

import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter_ruler_picker/flutter_ruler_picker.dart';
import 'base/YSBase.dart';
import 'base/YSNetWorking.dart';

class YSAddBodyData extends StatefulWidget {
  final int index;
  const YSAddBodyData({Key key, this.index}) : super(key: key);
  @override
  _YSAddBodyDataState createState() => _YSAddBodyDataState();
}

class _YSAddBodyDataState extends State<YSAddBodyData> {
  RulerPickerController _rulerPickerController = RulerPickerController(value: 0);
  String number = '0.0';
  @override
  Widget build(BuildContext context) {
    return YSBase(
      ystitle: '体重选择',
      yschild: SingleChildScrollView(
        child: Column(
          children: [
            Container(
              margin: EdgeInsets.all(20),
              child: Text('孕${widget.index}周',style: TextStyle(fontSize: 16,color: Color(0xFFDB5278),fontWeight: FontWeight.w600),),
            ),
            Container(
              margin: EdgeInsets.only(top: 30,bottom: 15),
              child: RulerPicker(
                controller: _rulerPickerController,
                marker: Container(
                  height: 60,
                  width: 3,
                  color: Color(0xFFDB5278),
                ),
                onValueChanged: (value) {
                  setState(() {
                    number = value.toString();
                  });
                },
                width: MediaQuery.of(context).size.width-60,
                height: 100,
                ranges: [RulerRange(end: 200, begin: 0)],
                onBuildRulerScaleText: (int index, num rulerScaleValue) {
                  return '$index';
                },
                // beginValue: 1,
                // endValue: 100,
              ),
            ),
            RichText(
              text: TextSpan(
                style: TextStyle(fontSize: 36,color: Color(0xFFDB5278),fontWeight: FontWeight.bold),
                children: [
                  TextSpan(text: number),
                  TextSpan(text: ' kg',style: TextStyle(fontSize: 16,fontWeight: FontWeight.normal)),
                ]
              ),
            ),
            CupertinoButton(
              padding: EdgeInsets.all(0),
              child: Container(
                height: 40,
                width: MediaQuery.of(context).size.width-150,
                decoration: BoxDecoration(
                  color: Color(0xFFDB5278),
                  borderRadius: BorderRadius.all(Radius.circular(20))
                ),
                alignment: Alignment.center,
                child: Text('保存',style: TextStyle(fontSize: 16,color: Colors.white),),
                margin: EdgeInsets.only(top: 150),
              ),
              onPressed: (){
                _postWomanBodyData();
              },
            )
          ],
        ),
      ),
    );
  }

  _postWomanBodyData() async{
    if(number=='0.0'){
      ysFlutterToast(context, '请选择体重数据');
      return;
    }
    Map dict = await ysRequestHttp(context, requestType.post, 'phase/dueWeightAdd', {'week':widget.index,'weight':number});
    if(dict!=null){
      Navigator.of(context).pop('确定');
    }
  }
}