当arg为5.000时,用%f输出5.000,想输出5用%g,如下:
[NSString stringWithFormat:@"%@:%g, %@:%g", L(@"STR_ID_TOPIC"), dto.topicCount, L(@"STR_ID_REPLY_NUM"), dto.replyCount]
去掉浮点多余的0
原文:http://www.cnblogs.com/ftrako/p/4079009.html