可以写在宏里的东西

调试

#ifdef DEBUG

#define XXXLog(...) NSLog(__VA_ARGS__)

#else

#define XXXLog(...)

#endif

#define XXXLogFunc XXXLog(@"%s", __func__)

颜色

#define XXXRGBColor(r,g,b) [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:1.0]

#define XXXGlobalBG XXXRGBColor(242, 242, 242)