#define IOS7 ([[UIDevice currentDevice].systemVersion doubleValue]>=7.0)
告诉系统不要把图片渲染成系统的颜色(蓝色)
controller.tabBarItem.selectedImage=[[UIImage imageNamed:selectImage] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
#define IOS7 ([[UIDevice currentDevice].systemVersion doubleValue]>=7.0)
告诉系统不要把图片渲染成系统的颜色(蓝色)
controller.tabBarItem.selectedImage=[[UIImage imageNamed:selectImage] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];