- (UIResponder *)nextResponderWithClass:(Class)class{
UIResponder *nextResponder = self;
while (nextResponder) {
nextResponder = nextResponder.nextResponder;
if ([nextResponder isKindOfClass:class]) {
【遍历响应者】return nextResponder;
}
}
return nil;
}
可以在封装的view的里遍历到响应者,执行push方法
