1 UIImage *tabBackground = [[UIImage imageNamed:@"tab_bg"] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 0, 0, 0)]; 2 [[UITabBar appearance] setBackgroundImage:tabBackground]; // 设置UITabBar背景图片 3 4 [[UITabBar appearance] setSelectionIndicatorImage: 5 [UIImage imageNamed:@"tab_select_indicator"]]; // 设置UITabBar用户选中某项时，此项的背景图片