如何在 flutter math_fork 库的内部表达式中添加自定义值

Question

class ResultPage extends StatefulWidget {
    DataModel dataModel;
    ResultPage({Key? key, required this.dataModel}) : super(key: key);

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

class _ResultPageState extends State<ResultPage> {
    @override
    Widget build(BuildContext context) {
        return Scaffold(
            body: Math.tex("m=/frac "${widget.datamodel.value}"")
        );
    }
}

但是 math.tex 在 flutter 如何在任何方程中传递自定义值时显示错误

Answer 1

'Scaffold'需要有一个'body'。尝试在 'body'.

下添加 'Math.text'

这是一个使用 'Math.tex'.
的包的示例代码 https://github.com/simpleclub-extended/flutter_math_fork/blob/9015c77bc79f5e21820de3c927f43ff275b35078/test/helper.dart#L30

https://github.com/simpleclub-extended/flutter_math_fork/blob/9015c77bc79f5e21820de3c927f43ff275b35078/example/lib/display.dart#L29

class ResultPage extends StatefulWidget {
    DataModel dataModel;
    ResultPage({Key? key, required this.dataModel}) : super(key: key);

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

class _ResultPageState extends State<ResultPage> {
    @override
    Widget build(BuildContext context) {
        return Scaffold(
            body: Math.tex("m=/frac "${widget.datamodel.value}"")
        );
    }
}

Answer 2

class ResultPage extends StatefulWidget {
  DataModel dataModel;
   ResultPage({Key? key, required this.dataModel}) : super(key: key);

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

    class _ResultPageState extends State<ResultPage> {
           @override
    Widget build(BuildContext context) {
     return Scaffold( 
  body:Math.tex(
            "m = ${r'\frac'} {${widget.datamodel.value1}} 
               {$widget.datamodel.value2}",
            textStyle: textStyle,
          ),

    );}}

这就是你如何在 flutter 的方程式中添加自定义值 math_fork

如何在 flutter math_fork 库的内部表达式中添加自定义值

How to add custom values in inside expression in flutter math_fork library

flutter

flutter-tex