Flutter TextField 的详细属性说明

const TextField({
    Key key,
    this.controller, 
    this.focusNode,
    this.decoration = const InputDecoration(),
    TextInputType keyboardType,
    this.textInputAction,
    this.textCapitalization = TextCapitalization.none,
    this.style, // 文本样式
    this.strutStyle,
    this.textAlign = TextAlign.start, // 文本水平方向对齐方式
    this.textAlignVertical, // 本文垂直方向对齐方式
    this.textDirection, // 文本方向
    this.readOnly = false, // 是否是只读
    ToolbarOptions toolbarOptions,
    this.showCursor,
    this.autofocus = false, 
    this.obscureText = false,
    this.autocorrect = true,
    this.enableSuggestions = true,
    this.maxLines = 1,
    this.minLines,
    this.expands = false,
    this.maxLength,
    this.maxLengthEnforced = true,
    this.onChanged, // 内容发生改变方法回调
    this.onEditingComplete, // 完成编辑方法回调，实现了这个方法，键盘不再会自动收起
    this.onSubmitted, // 提交方法回调
    this.inputFormatters,
    this.enabled,
    this.cursorWidth = 2.0, // 光标宽度
    this.cursorRadius, // 光标圆角
    this.cursorColor, // 光标颜色
    this.keyboardAppearance,
    this.scrollPadding = const EdgeInsets.all(20.0), 
    this.dragStartBehavior = DragStartBehavior.start,
    this.enableInteractiveSelection = true,
    this.onTap, // 点击方法回调(开始编辑)
    this.buildCounter, // (BuildContext context, {int currentLength, int maxLength, bool isFocused, }) {} counter 回调
    this.scrollController, // 滚动
    this.scrollPhysics,
  })