//UI_APPEARANCE_SELECTOR当后面带有这个宏的时候一般都可以使用appearance来配置 //全局配置UITabBarItem的文字属性 [[UITabBarItem appearance] setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor colorWithRed:63/255.0 green:59/255.0 blue:117/255.0 alpha:1],NSFontAttributeName:[UIFont boldSystemFont...