多个字符串拼接

+(NSMutableAttributedString *)getNewStringWithString:(NSMutableArray *)StrArr AndColor:(NSMutableArray*)ColorArr

{

    NSMutableAttributedString * AttStr1;

    if (StrArr.count>0&&ColorArr.count>0) {

        NSString * str1 = [StrArr objectAtIndex:0];

        NSRange r = [str1 rangeOfString:str1];

        AttStr1 =   [[NSMutableAttributedString alloc]initWithString:str1];

        [AttStr1 addAttribute:NSForegroundColorAttributeName value:[PublicClass colorFromHexRGB:ColorArr[0]] range:NSMakeRange(0, r.length)];

        for (int i=1; i<(StrArr.count>ColorArr.count?ColorArr.count:StrArr.count); i++) {

            NSString * str2 = [StrArr objectAtIndex:i];

            NSRange str2r = [str2 rangeOfString:str2];

            NSMutableAttributedString * AttStr2 =   [[NSMutableAttributedString alloc]initWithString:str2];

            [AttStr2 addAttribute:NSForegroundColorAttributeName value:[PublicClass colorFromHexRGB:ColorArr[i]] range:NSMakeRange(0, str2r.length)];

            [AttStr1 appendAttributedString:AttStr2];

        }

    }

    return AttStr1;

}