2016.9.8

for(UIViewController*controllerinself.navigationController.viewControllers) {

if([controllerisKindOfClass:[BorrowingViewControllerclass]]) {

[self.navigationControllerpopToViewController:controlleranimated:YES];

}

}

if(self.type==1) {//1表示从借款界面push来，2代表从借款管理push来

[self.navigationControllerpopViewControllerAnimated:YES];

}else{

BorrowingViewController*controller = [[BorrowingViewControlleralloc]init];

[self.navigationControllerpushViewController:controlleranimated:YES];

}