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先创建一个UIStoryboardSegue子类并覆盖perform方法。在perform方法中，拿到指向源视图控制器的主视图图层的指针，然后实现自定义切换动画（使用Core Animation）。一旦动画完成，就可以推送(push)到目标视图控制器（可以从联线对象中获得一个指向该视图控制器的指针）。
#import "CustomSegue.h" @implementation CustomSegue -(void)perform { UIViewController*src=(UIViewController*)self.sourceViewController; UIViewController*dest=(UIViewController*)self.destinationViewController; CGRect f=src.view.frame; CGRect oringinalSourceRect=src.view.frame; f.origin.y=f.size.height; [UIView animateWithDuration:5 animations:^{src.view.frame=f;} completion:^(BOOL finished){ src.view.alpha=0; dest.view.frame=f; dest.view.alpha=0.0; [[src.view superview]addSubview:dest.view];//窗口添加子视图 [UIView animateWithDuration:5 animations:^{dest.view.frame=oringinalSourceRect; dest.view.alpha=1.0;} completion:^(BOOL finished){ [dest.view removeFromSuperview]; src.view.alpha=1.0f; [src.navigationController pushViewController:dest animated:NO]; }]; }]; } @end
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原文地址：http://www.cnblogs.com/caomeinatie/p/5218507.html
