https://www.cnblogs.com/WZLpq-home/p/5616309.html[图片上传中...(image.png-88d695-1603266135462-0)]
//重写该方法后可以让超出父视图范围的子视图响应事件
- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event {
UIView *view = [super hitTest:point withEvent:event];
if (view == nil) {
for (UIView *subView in self.subviews) {
CGPoint tp = [subView convertPoint:point fromView:self];
if (CGRectContainsPoint(subView.bounds, tp)) {
view = subView;
}
}
}
return view;
}
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