在ios中添加一个像数字和声音格式的string

我怎样才能返回一个附加的string像数字$声音的格式，然后当它返回时，再次拆分成两个string像（数字，然后声音文件名）在Objective-C

Answer 1

整数版本：

int number = 10; NSString *sound = @"sound"; NSString *combinedString = [sound stringByAppendingString: [NSString stringWithFormat:@"%d$%@",number,sound]]; 

string版本：

 NSString *number = @"10"; NSString *sound = @"sound"; NSString *combinedString = [sound stringByAppendingString: [NSString stringWithFormat:@"%@$%@",number,sound]]; 

输出：10 $声音

 NSArray *combinedObjects = [combinedString componentsSeparatedByString:@"$"]; NSString *mynumber=[combinedObjects objectAtIndex:0];//10 NSString *mysound= [combinedObjects objectAtIndex:1];//sound 

Answer 2

用$分隔NSString

 NSArray* separatedString = [yourString componentsSeparatedByString:@"$"];