Text 构造方法及属性

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/// Creates a text widget.  

const Text(
    String this.data, {
    super.key,
    this.style,
    this.strutStyle,
    this.textAlign,
    this.textDirection,
    this.locale,
    this.softWrap,
    this.overflow,
    this.textScaleFactor,
    this.maxLines,
    this.semanticsLabel,
    this.textWidthBasis,
    this.textHeightBehavior,
    this.selectionColor,
  }) : assert(
         data != null,
         'A non-null String must be provided to a Text widget.',
       ),

1.