(IOS)字符串转拼音

+(NSString*)transformToPinyin:(NSString*)aString

{

    //转成了可变字符串

    NSMutableString *str = [NSMutableString stringWithString:aString];

    CFStringTransform((CFMutableStringRef)str,NULL, kCFStringTransformMandarinLatin,NO);

    //再转换为不带声调的拼音

    CFStringTransform((CFMutableStringRef)str,NULL, kCFStringTransformStripDiacritics,NO);

    NSArray*pinyinArray = [strcomponentsSeparatedByString:@" "];

    NSMutableString *allString = [NSMutableString new];

    intcount =0;

    for(int  i =0; i < pinyinArray.count; i++)

    {

        for(inti =0; i < pinyinArray.count;i++)

        {

            if(i == count) {

                [allStringappendString:@"#"];

                //区分第几个字母

            }

            [allStringappendFormat:@"%@",pinyinArray[i]];

        }

        [allStringappendString:@","];

        count ++;

    }

    NSMutableString *initialStr = [NSMutableString new];

    //拼音首字母

    for(NSString*sinpinyinArray)

    {

        if(s.length>0)

        {

            [initialStrappendString:  [ssubstringToIndex:1]];

        }

    }

    [allStringappendFormat:@"#%@",initialStr];

    [allStringappendFormat:@",#%@",aString];

    returnallString;

}