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aku_new_community/lib/widget/dotted_line.dart

42 lines
1.2 KiB

import 'package:flutter/material.dart';
/// 虚线
class DottedLine extends StatelessWidget {
final double height;
final Color color;
final Axis direction;
const DottedLine({
this.height = 1,
this.color = Colors.black,
this.direction = Axis.horizontal,
});
@override
Widget build(BuildContext context) {
return LayoutBuilder(
builder: (BuildContext context, BoxConstraints constraints) {
final boxWidth = direction == Axis.horizontal
? constraints.constrainWidth()
: constraints.constrainHeight();
final dashWidth = 10.0;
final dashHeight = height;
final dashCount = (boxWidth / (2 * dashWidth)).floor();
return Flex(
children: List.generate(dashCount, (_) {
return SizedBox(
width: direction == Axis.horizontal ? dashWidth : dashHeight,
height: direction == Axis.horizontal ? dashHeight : dashWidth,
child: DecoratedBox(
decoration: BoxDecoration(color: color),
),
);
}),
mainAxisAlignment: MainAxisAlignment.spaceBetween,
direction: direction,
);
},
);
}
}