写个宏定义
#ifdef DEBUG
#define NSLog( s, ... ) printf("class: <%p %s:(%d) > method: %s \n%s\n", self, [[[NSString stringWithUTF8String:__FILE__] lastPathComponent] UTF8String], __LINE__, __PRETTY_FUNCTION__, [[NSString stringWithFormat:(s), ##__VA_ARGS__] UTF8String] );
#else
#define NSLog( s, ... )