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iOS|iOS 绘制虚线

【iOS|iOS 绘制虚线】有时候需要在视图上添加虚线的分割线，要么让美工切图，要么就使用代码，在网上找到一种别人写的绘制虚线的方法，分享一下。

/** ** lineView:需要绘制成虚线的view ** lineLength:虚线的宽度 ** lineSpacing:虚线的间距 ** lineColor:虚线的颜色 **/ - (void)drawDashLine:(UIView *)lineView lineLength:(int)lineLength lineSpacing:(int)lineSpacing lineColor:(UIColor *)lineColor { CAShapeLayer *shapeLayer = [CAShapeLayer layer]; [shapeLayer setBounds:lineView.bounds]; [shapeLayer setPosition:CGPointMake(CGRectGetWidth(lineView.frame) / 2, CGRectGetHeight(lineView.frame))]; [shapeLayer setFillColor:[UIColor clearColor].CGColor]; //设置虚线颜色为blackColor [shapeLayer setStrokeColor:lineColor.CGColor]; //设置虚线宽度 [shapeLayer setLineWidth:CGRectGetHeight(lineView.frame)]; [shapeLayer setLineJoin:kCALineJoinRound]; //设置线宽，线间距 [shapeLayer setLineDashPattern:[NSArray arrayWithObjects:[NSNumber numberWithInt:lineLength], [NSNumber numberWithInt:lineSpacing], nil]]; //设置路径 CGMutablePathRef path = CGPathCreateMutable(); CGPathMoveToPoint(path, NULL, 0, 0); CGPathAddLineToPoint(path, NULL,CGRectGetWidth(lineView.frame), 0); [shapeLayer setPath:path]; CGPathRelease(path); //把绘制好的虚线添加上来 [lineView.layer addSublayer:shapeLayer]; }

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