//打印宏
#if DEBUG
public let CHDebugLog = { (items: Any...) in
print(items)
}
#else
public let CHDebugLog = { (items: Any...) in
}
#endif
在xcode中设置debug模式下开启打印宏，如下图
//打印宏
#if DEBUG
public let CHDebugLog = { (items: Any...) in
print(items)
}
#else
public let CHDebugLog = { (items: Any...) in
}
#endif
