UIView+ViewController.m 601 Bytes

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// 开发者: NGeLB
// QQ交流群: 572296164
// GitHub 代码地址:https://github.com/NGeLB/LBSegmentControl


#import "UIView+ViewController.h"

@implementation UIView (ViewController)

- (UIViewController *)viewController
{
    //获取当前对象的下一响应者
    id next = [self nextResponder];
    while (next != nil) {
        //判断next对象是否为控制器
        if ([next isKindOfClass:[UIViewController class]]) {
            return next;
        }

        //获取next对象的下一响应这
        next = [next nextResponder];
    }

    return nil;
}
@end