Fiji/ysairplane3/lib/code/YSNewDetail.dart

import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';
import 'package:webview_flutter/webview_flutter.dart';
import 'package:ysairplane2/base/YSBase.dart';
import 'package:ysairplane2/tools/YSNetWorking.dart';
import 'package:ysairplane2/tools/YSTools.dart';

class YSNewDetail extends StatefulWidget {
  final String newId;
  const YSNewDetail({Key key, this.newId}) : super(key: key);
  @override
  _YSNewDetailState createState() => _YSNewDetailState();
}

class _YSNewDetailState extends State<YSNewDetail> {
  Map _dict;
  int _like = 0;
  @override
  void initState() {
    Future.delayed(Duration(seconds: 0)).then((value){
      _getNewsDetailData();
    });
    super.initState();
  }
  @override
  Widget build(BuildContext context) {
    return YSBase(
      ystitle: '详情',
      yschild: _dict==null?Container():Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Container(
            height: MediaQuery.of(context).size.height-MediaQuery.of(context).padding.top-44-hsp(160),
            child: SingleChildScrollView(
              physics: NeverScrollableScrollPhysics(),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Container(
                    padding: EdgeInsets.all(hsp(40)),
                    child: Text('${_dict['title']}',style: TextStyle(color: Color(0xFF333333),fontSize: zsp(36),fontWeight: FontWeight.bold),),
                  ),
                  Container(
                    padding: EdgeInsets.only(left: hsp(40),right: hsp(40),bottom: hsp(20)),
                    child: Text('${_dict['createtime']}   ${_dict['author']}',style: TextStyle(color: Color(0xFF999999),fontSize: zsp(24)),),
                  ),
                  Container(
                    height: MediaQuery.of(context).size.height-MediaQuery.of(context).padding.top-44-hsp(350),
                    width: MediaQuery.of(context).size.width,
                    padding: EdgeInsets.only(left: hsp(30),right: hsp(30),bottom: hsp(40)),
                    child: WebView(
                      // initialUrl: 'data:text/html;base64,${base64Encode(const Utf8Encoder().convert(content))}',
                      javascriptMode: JavascriptMode.unrestricted,
                      onWebViewCreated: (WebViewController webViewController) {
                        webViewController.loadUrl(Uri.dataFromString(_dict['content'], mimeType: 'text/html', encoding: Encoding.getByName('utf-8')).toString());
                      },
                    )

                    //Text('${_dict['content']}',style: TextStyle(color: Color(0xFF333333),fontSize: zsp(30),),)
                  )
                ],
              ),
            ),
          ),
          Container(
            height: hsp(160),
            padding: EdgeInsets.all(hsp(30)),
            child: Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                GestureDetector(
                  onTap: (){
                    _postLikeData();
                  },
                  child: Container(
                    width: (MediaQuery.of(context).size.width-wsp(100)),
                    height: hsp(83),
                    color: Color(0xFFF8F8F8),
                    alignment: Alignment.center,
                    child: Row(
                      mainAxisSize: MainAxisSize.min,
                      children: [
                        Image(image: AssetImage('lib/images/agree.png'),height: hsp(50),width: hsp(50),color: _like==0?Color(0xFF636363):Colors.pinkAccent),
                        Text(' ${_dict['likeCount']}',style: TextStyle(fontSize: zsp(28),color: _like==0?Color(0xFF636363):Colors.pinkAccent),)
                      ],
                    ),
                  ),
                ),
                // Container(
                //   width: (MediaQuery.of(context).size.width-wsp(100))/2,
                //   height: hsp(83),
                //   color: Color(0xFFF8F8F8),
                //   alignment: Alignment.center,
                //   child: Row(
                //     mainAxisSize: MainAxisSize.min,
                //     children: [
                //       Image(image: AssetImage('lib/images/wechat.png'),height: hsp(50),width: hsp(50),),
                //       Text(' 微信好友',style: TextStyle(fontSize: zsp(28),color: Color(0xFF636363)),)
                //     ],
                //   ),
                // )
              ],
            ),
          )
        ],
      ),
    );
  }

  _getNewsDetailData() async{
    Map dict = await ysRequestHttp(context,type: requestType.get,api: '/app/applets/headline/details',parameter: {'id':widget.newId},isLoading: true,isToken: true);
    if(dict!=null){
      setState(() {
        _dict = dict['data'];
        _like = _dict['isLike'];
      });
    }
  }

  _postLikeData() async{
    Map dict = await ysRequestHttp(context,type: requestType.get,api: '/app/applets/headline/like',parameter: {'headlineId':widget.newId},isLoading: false,isToken: true);
    if(dict!=null){
      setState(() {
        _like = dict['data'];
        _dict['likeCount'] = int.parse('${_dict['likeCount']}')+(_like==0?-1:1);
      });
    }
  }
}