The flutter list slides left and right to fix the header and the left side

First on the renderings

In addition to the above title, all the following content can be updated in real time

Make a personal record, don't spray if you don't like it, thank you

The code is as follows, just copy and paste

import 'package:flutter/material.dart'; 
import 'package:flutter/widgets.dart'; 
import 'package:provider/provider.dart'; 

/** 
 * Assessment dynamic form 
 * */ 

class FormTableAssessMentProvider with ChangeNotifier { 
  var titleList = ['Indicator name', 'Assessment requirements', 'Target value', 'Score']; 
  var leftTitleList1 = [ 
    { 
      'leftTitle': 'Management indicators', 
      'leftList': [ 
        {'name': 'Daily check Attendance', 'yaoqiu': 'This is a request', 'mubiaozhi': '22', 'fenzhi': 10}, {'name': 'Daily', 'yaoqiu': 'Daily report', 
        ' mubiaozhi': '22', 'fenzhi': 10},
        {'name': 'meeting execution', 'yaoqiu': 'meeting execution content', 'mubiaozhi': '22', 'fenzhi': 10} ], }, { 'leftTitle': ' 
      performance 
    indicators 
    ' 
      ,
      'leftList': [ 
        {'name': 'Investment', 'yaoqiu': 'This is a request', 'mubiaozhi': '22', 'fenzhi': 10}, {'name': 'Receipt 
        ' , 'yaoqiu': 'Daily report', 'mubiaozhi': '22', 'fenzhi': 10}, {'name' 
        : 'Free product event', 'yaoqiu': 'Meeting execution content', 'mubiaozhi' : '22', 'fenzhi': 10} 
      ], 
    }, 
    { 
      'leftTitle': 'Extra Points', 
      'leftList': [ 
        {'name': 'Free Items', 'yaoqiu': 'Meeting Execution Contents ', 'mubiaozhi': '22', 'fenzhi': 10} 
      ], 
    }, 
    { 
      'leftTitle':'Deduction items', 
      'leftList': [ 
        {'name': 'Free product activities', 'yaoqiu': 'Meeting execution content', 'mubiaozhi': '22', 'fenzhi': 10} ], 
      } 
    , 
    { 
      'leftTitle': 'Total',
      'leftList': [ 
        {'name': 'Free Product Event', 'yaoqiu': 'Conference Execution Content', 'mubiaozhi': '22', 'fenzhi': 10} ], } ]; bool 
      _chartShow 
    = 
  false 

  ; 

  bool get chartShow => _chartShow; 

  void setChartShow(bool chartShows) { 
    _chartShow = chartShows; 
    notifyListeners(); 
  } 
} 

FormTableAssessMentProvider provider; 
dynamic width = 0.0; 
dynamic height = 0.0; 

//Height of title 
final double blockHeight = 40; 
double miniPageWi