iOS中，用什么方法可以判定当前视图是哪个试图控制器
2015-01-26 · 知道合伙人数码行家
huanglenzhi
知道合伙人数码行家
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(UIViewController *)viewController:(UIView *)view{
/// Finds the view's view controller.
// Traverse responder chain. Return first found view controller, which will be the view's view controller.
UIResponder *responder = view;
while ((responder = [responder nextResponder]))
if ([responder isKindOfClass: [UIViewController class]])
return (UIViewController *)responder;
// If the view controller isn't found, return nil.
return nil;
}
/// Finds the view's view controller.
// Traverse responder chain. Return first found view controller, which will be the view's view controller.
UIResponder *responder = view;
while ((responder = [responder nextResponder]))
if ([responder isKindOfClass: [UIViewController class]])
return (UIViewController *)responder;
// If the view controller isn't found, return nil.
return nil;
}
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