#define SXLog(FORMAT, ...) fprintf(stderr,"file --\t%s\nline --\t%d\nmethd --\t%s\noutput --\t\n\n%s\n",[[[NSString stringWithUTF8String:__FILE__] lastPathComponent] UTF8String], __LINE__,__FUNCTION__, [[NSString stringWithFormat:FORMAT, ##__VA_ARGS__] UTF8String]);
打印效果