怎么获取一个文件路径中的最后两个目录- (NSString *)directoryAndFilePath:(NSString *)fullPath{ NSString *path = @""; NSLog(@"%@", fullPath); NSRange range = [fullPath rangeOfString:@"/" options:NSBackwardsSearc...
怎么返回string中的字符问题返回字符位置NSString *myString = @"A-B^C~D";int dash = [myString rangeOfString:@"-"].location;int power = [myString rangeOfString:@"^"].location;int squiggle = [myString rangeOfStr...
ios判断系统是24小时制还是12小时制//获取系统是24小时制或者12小时制 NSString *formatStringForHours = [NSDateFormatter dateFormatFromTemplate:@"j" options:0 locale:[NSLocale currentLocale]]; NSRange containsA = [formatStringForHo...