self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"首页" style:UIBarButtonItemStyleBordered target:self action:@selector(popToRootView)] ;    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"测试" style:UIBarButtonItemStyleBordered target:self action:@selector(test)] ;

//有时需要设置按钮大小才行

 

- (void)popToRootView{    [self.navigationController popToRootViewControllerAnimated:YES];}- (void) test{NSLog(@"test");}