创建TabBar

-(void)creatTabBarView

{

    NSArray *imgArray=@[];

    NSArray *selectImage=@[];



    NSArray *names=@[];

    for (int i=0; i<names.count; i++) 
　　{

        //Class 为类的泛型，泛指任意类，id为对象的泛指

        Class class=NSClassFromString(names[i]);

        UIViewController *root=[[class alloc] init];

        

        [self addChlildVc:root imageName:imgArray[i] selectedImageName:selectImage[i]];

    }

}

// 给 tabBar 设置图片

- (void)addChlildVc:(UIViewController *)childVc imageName:(NSString *)imageName selectedImageName:(NSString *)selectedImageName

{



    // 设置图标

    UIImage *image = [UIImage imageNamed:imageName];

    image = [image imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];

    childVc.tabBarItem.image = image;

    

    // 设置选中的图标

    UIImage *selectedImage = [UIImage imageNamed:selectedImageName];

    selectedImage = [selectedImage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];

    childVc.tabBarItem.selectedImage = selectedImage;

    

    //解决7.1版本图标不自适应

    if ([UIParam getIOSVersion] <= 7.1) {

        childVc.tabBarItem.imageInsets = UIEdgeInsetsMake(30, 42, 18, 42);

    }

    

    UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:childVc];

    [self addChildViewController:nav];

}