摘要: -(NSString *)toUpper:(NSString *)str{ for (NSInteger i=0; i<str.length; i++) { if ([str characterAtIndex:i]>='a'&[str characterAtIndex:i]<='z') { //A 阅读全文
posted @ 2016-03-25 18:48 杨大龙dalong 阅读(212) 评论(0) 推荐(0) 编辑