#if DEBUG

#define NSLog(FORMAT, ...) {

NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];

[dateFormatter setDateStyle:NSDateFormatterMediumStyle];

[dateFormatter setTimeStyle:NSDateFormatterShortStyle];

[dateFormatter setDateFormat:@"HH:mm:ss:SSSSSS"];

NSString *str = [dateFormatter stringFromDate:[NSDate date]];

fprintf(stderr,"ntime:%s fileName:%s line:%d function:%s content:%sn", [str UTF8String], [[[NSString stringWithUTF8String:__FILE__] lastPathComponent]UTF8String], __LINE__, __FUNCTION__, [[NSString stringWithFormat:FORMAT, ##__VA_ARGS__] UTF8String]);

}

#else

#define NSLog(FORMAT, ...) nil

#endif

note：

該自定義NSLog只在DEBUG模式下有效。