IOS关闭当前页面跳转

//关闭当前页面跳转到下一个页面

LogViewController*b = [[LogViewControlleralloc]init];

NSArray*vcs =self.navigationController.viewControllers;

NSMutableArray*newVCS = [NSMutableArrayarray];

if([vcscount] >0) {

for(inti=0; i < [vcscount]-1; i++) {

[newVCSaddObject:[vcsobjectAtIndex:i]];

}

}

[newVCSaddObject:b];

[self.navigationControllersetViewControllers:newVCSanimated:YES];