#define SCREEN_BOUNDS [UIScreen mainScreen].bounds
#define SCREEN_SIZE [UIScreen mainScreen].bounds.size
#define SCREEN_WIDTH [UIScreen mainScreen].bounds.size.width
#define SCREEN_HEIGHT [UIScreen mainScreen].bounds.size.height
//登录textField尺寸
#define RECT_LOGIN_TEXTFIELD CGRectMake(20*0.5,0, SCREEN_WIDTH - (20*0.5)*2,75*0.5)
//导航条高度
#define HEIGHT_NAVIGATIONBAR64
//随机颜色
#define COLOR_RGBA(r,g,b,a) [UIColor colorWithRed:(r/255.0) green:(g/255.0) blue:(b/255.0) alpha:a]
#define COLOR_RGB(r,g,b) COLOR_RGBA(r,g,b,1.0)