导航条

 self.navigationController.navigationBar.barTintColor = [UIColor whiteColor];

    // 设置导航条图片

    UIImageView *imgV = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"导航条图片"]];

    // 添加到导航条

    self.navigationItem.titleView = imgV;

    // 设置导航条按钮

    UIButton *navBtn = [UIButton buttonWithType:UIButtonTypeRoundedRect];

    navBtn.frame=CGRectMake(0,4,40,40);

    // 添加图片并设置防止图片渲染

    [navBtnsetImage:[[UIImage imageNamed:@"导航条按钮"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal] forState:UIControlStateNormal];

    UIBarButtonItem *barBtn = [[UIBarButtonItem alloc]initWithCustomView:navBtn];

    self.navigationItem.rightBarButtonItem = barBtn;