iOS 去掉小数点后边多余的0

-(NSString*)removeFloatAllZero:(NSString*)string
{
 
    NSString * testNumber = string;
    NSString * outNumber = [NSString stringWithFormat:@"%@",@(testNumber.floatValue)];
 
//    价格格式化显示
    NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init];
    formatter.numberStyle = kCFNumberFormatterDecimalStyle;
    NSString *formatterString = [formatter stringFromNumber:[NSNumber numberWithFloat:[outNumber doubleValue]]];
 
    NSRange range = [formatterString rangeOfString:@"."]; //现获取要截取的字符串位置
    NSLog(@"--------%lu",(unsigned long)range.length);
 
    if (range.length>) {
 
        NSString * result = [formatterString substringFromIndex:range.location]; //截取字符串
 
        if (result.length>=) {
 
            formatterString=[formatterString substringToIndex:formatterString.length-];
        }
 
    }
 
    NSLog(@"Formatted number string:%@",formatterString);
 
    NSLog(@"Formatted number string:%@",outNumber);
    //    输出结果为：[1223:403] Formatted number string:123,456,789
 
    return formatterString;
}