iOS 汉语数字与阿拉伯数字的相互转化

最新推荐文章于 2022-02-15 19:53:32 发布

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最新推荐文章于 2022-02-15 19:53:32 发布

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分类专栏： iOS开发笔记文章标签：算法阿拉伯数字

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本文介绍了如何在iOS开发环境中实现阿拉伯数字与汉语数字之间的相互转换。提供了详细的代码示例，包括将阿拉伯数字转换为汉语数字的方法及汉语数字转换为阿拉伯数字的方法。

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前言

这两天对接阿里云的人工智能语音（一句话识别），语音识别度很高，但发现一个问题—–> 语音录入数字，总是识别汉语数字，那么久需要进行相互转化了。

阿拉伯数字转化为汉语数字

+(NSString *)translation:(NSString *)arebic

{   NSString *str = arebic;
    NSArray *arabic_numerals = @[@"1",@"2",@"3",@"4",@"5",@"6",@"7",@"8",@"9",@"0"];
    NSArray *chinese_numerals = @[@"一",@"二",@"三",@"四",@"五",@"六",@"七",@"八",@"九",@"零"];
    NSArray *digits = @[@"个",@"十",@"百",@"千",@"万",@"十",@"百",@"千",@"亿",@"十",@"百",@"千",@"兆"];
    NSDictionary *dictionary = [NSDictionary dictionaryWithObjects:chinese_numerals forKeys:arabic_numerals];

    NSMutableArray *sums = [NSMutableArray array];
    for (int i = 0; i < str.length; i ++) {
        NSString *substr = [str substringWithRange:NSMakeRange(i, 1)];
        NSString *a = [dictionary objectForKey:substr];
        NSString *b = digits[str.length -i-1];
        NSString *sum = [a stringByAppendingString:b];
        if ([a isEqualToString:chinese_numerals[9]])
        {
            if([b isEqualToString:digits[4]] || [b isEqualToString:digits[8]])
            {
                sum = b;
                if ([[sums lastObject] isEqualToString:chinese_numerals[9]])
                {
                    [sums removeLastObject];
                }
            }else
            {
                sum = chinese_numerals[9];
            }

            if ([[sums lastObject] isEqualToString:sum])
            {
                continue;
            }
        }

        [sums addObject:sum];
    }

    NSString *sumStr = [sums  componentsJoinedByString:@""];
    NSString *chinese = [sumStr substringToIndex:sumStr.length-1];
    NSLog(@"%@",str);
    NSLog(@"%@",chinese);
    return chinese;
}

汉语数字转阿拉伯数字

+(NSString *)translatNum:(NSString *)arebic

{
    NSString *str = arebic;

    NSArray *arabic_numerals = @[@"1",@"2",@"3",@"4",@"5",@"6",@"7",@"8",@"9",@"0",@"0"];
    NSArray *chinese_numerals = @[@"一",@"二",@"三",@"四",@"五",@"六",@"七",@"八",@"九",@"零", @"十"];
    NSDictionary *dictionary = [NSDictionary dictionaryWithObjects:arabic_numerals forKeys:chinese_numerals];

    NSMutableArray *sums = [NSMutableArray array];

    for (int i = 0; i < str.length; i ++) {
        NSString *substr = [str substringWithRange:NSMakeRange(i, 1)];
        NSString *sum = substr;
        if([chinese_numerals containsObject:substr]){
            NSLog(@"=====%@", substr);
            if([substr isEqualToString:@"十"] && i < str.length){
                NSString *nextStr = [str substringWithRange:NSMakeRange(i+1, 1)];
                NSLog(@"-----%@", nextStr);
                if([chinese_numerals containsObject:nextStr]){
                    continue;
                }
            }
            sum = [dictionary objectForKey:substr];
        }
        NSLog(@"====%@", sum);
        [sums addObject:sum];
    }

    NSString *sumStr = [sums  componentsJoinedByString:@""];
    return sumStr;

}