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- (UIViewController *)ViewController
{
id nextResponder = [self nextResponder];
while (nextResponder != nil) {
if ([nextResponder isKindOfClass:[UIViewController class]]) {
UIViewController *vc = (UIViewController *)nextResponder;
return vc;
}
nextResponder = [nextResponder nextResponder];
}
return nil;
}
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原文地址：http://www.cnblogs.com/fantasy3588/p/5776217.html
