几个笔试题目（2010-09-18）

你这样相当于称了很多次吧

小弟也来献丑了，下面是编程题的代码，望各位DX赐教，谢谢！

public class ConvertToChiness {
	
    private static String[] chineseMapStr = {"零","一","二","三","四","五","六","七","八","九"};  
    
    private static String[] specailStr0 = {"千","百","十"};
    
    private static String[] specailStr1 = {"亿","万"};
    
    public static void main(String[] args){
    	System.out.println(convert("2512359321"));
    }
    
    private static String convert(String numberStr){
    	StringBuffer buffer=new StringBuffer();
    	List<String> list=new ArrayList<String>();
    	
    	for(int i=0,j=numberStr.length();i<numberStr.length();i++,j--){
    		int num=Integer.parseInt(numberStr.substring(i,i+1));
    		String chinessNum=chineseMapStr[num];
    		String unit=getUnit(j);
    		if(chinessNum.equals("零")){
    			if(!list.isEmpty()){
    				String chinessNumInList=list.get(list.size()-1);
    				if(chinessNumInList.equals("零")){
    					list.remove(list.size()-1);
    				}
    			}
    		}
    		list.add(chinessNum);
    		if(!StringUtils.isEmpty(unit)){
    			if(chinessNum.equals("零")){
    				if(ArrayUtils.contains(specailStr0, unit)){
        				
        			}else if(ArrayUtils.contains(specailStr1, unit)){
        				list.remove(list.size()-1);
        				list.add(unit);
        			}
    			}else{
    				list.add(unit);
    			}
    		}	
    	}
    	
    	for(String num:list){
    		buffer.append(num);
    	}
    	return buffer.toString();
    }
    
    /**  
     * 位数表示，如亿、万等  
     * @param digit  
     * @return  
     */  
    private static String getUnit(int digit) {   
        String unit = "";  
        switch(digit) {   
        case 12:   
        case 8:   
        case 4:   
            unit = "千";   
            break;   
        case 11:   
        case 7:   
        case 3:   
            unit = "百";   
            break;   
        case 10:   
        case 6:   
        case 2:   
            unit = "十";   
            break;   
        case 9:   
            unit = "亿";   
            break;   
        case 5:   
            unit = "万";   
            break;   
        }
        return unit;   
    }   

}

呵呵，注释加的不错。

public class NumberToChinese {

private static final String[] genericUnit = {"","十","百","千","万","十","百","千","亿","十","百","千","兆","十兆","百兆","千兆"};   
private static final String[] numberic = {"零","一","二","三","四","五","六","七","八","九"};

public static String tranform(String number){
StringBuffer buffer = new StringBuffer();

int len = number.length();

for(int i=0; i<len; i++){
int n = Integer.parseInt(number.substring(i,i+1));
if(n==0){
if(!buffer.toString().endsWith(numberic[0])){
buffer.append(numberic[n]);
}
}else{
buffer.append(numberic[n]);
buffer.append(genericUnit[len-i-1]);
}
}

return normalize(buffer.toString());

}

private static String normalize(String s){
return s.replaceAll("^"+numberic[0]+"*(.*?)"+numberic[0]+"*$", "$1");
}


public static void main(String[] args) {

System.out.println(tranform("0006560000000"));;

}


}

public class NumberToChinese {

	private static final String[] genericUnit = {"","十","百","千","万","十","百","千","亿","十","百","千","兆","十兆","百兆","千兆"};    
	private static final String[] numberic = {"零","一","二","三","四","五","六","七","八","九"};
	
	public static String tranform(String number){
		StringBuffer buffer = new StringBuffer();
		
		int len = number.length();
		
		for(int i=0; i<len; i++){
			int n = Integer.parseInt(number.substring(i,i+1));
			if(n==0){
				if(!buffer.toString().endsWith(numberic[0])){
					buffer.append(numberic[n]);
				}
			}else{
				buffer.append(numberic[n]);
				buffer.append(genericUnit[len-i-1]);
			}
		}
		
		return normalize(buffer.toString());
		
	}
	
	private static String normalize(String s){
		return s.replaceAll("^"+numberic[0]+"*(.*?)"+numberic[0]+"*$", "$1");
	}
	
	
	public static void main(String[] args) {
		
		System.out.println(tranform("0006560000000"));;
		
	}
	
	
}

小弟献丑了：20行代码。粗粗的写了一下。。别骂我

public class Test {

	public static String translateMoney(int money) {
		String total = "";//返回的字符串
		String[] Money = { "零", "一", "二", "三", "四", "五", "六", "七", "八", "九"};
		String[] Util = { " ","十", "百", "千", "万", "十", "百", "千", "亿"};
		String strMoney = String.valueOf(money);//参数转字符串
		String[] inMoney =strMoney.toString().trim().split("");//参数转存到数组里
		for(int i=0;i<strMoney.length();i++){
			total=total+Money[Integer.parseInt(inMoney[1+i])]+Util[strMoney.length()-i-1];
		}
		return total;
	}

	public static void main(String[] args) {	
		System.out.println(translateMoney(999999999));
	}		

}

运行结果：九亿九千九百九十九万九千九百九十九

这个还是有点问题哦，比如用800098测试，结果却是八十零九十八，我还在研究，呵呵，刚刚看到

呵呵。你这个太粗糙了。测试用例更粗糙。这个主要要考虑0的问题，测试数字中一个0也没有。我随便拿一个带0的就出问题了。1023201，输出：一百零十二万三千二百零十一

针对你提的bug,修正如下：

public String trans(int n){
		StringBuffer buff = new StringBuffer();
		boolean isPrePartZero = false;
		digit = String.valueOf(n).toCharArray();
		int length = digit.length;		
		int pos = (length - 1)/4;
		int headLength = (length - 1)%4 + 1;	
		//  xxxxxxxxxx -->  xx|xxxx|xxxx
		buff.append(partTrans(0,headLength) + BIGUNIT[pos--]);
		for (int i = headLength;i < length ; i = i + 4) {
			String part = partTrans(i , i + 4);
			if(part.length() == 0){
				isPrePartZero = true;
			}else{
				if(isPrePartZero && !part.startsWith(ChinaDigit[0])){
					buff.append(ChinaDigit[0]);
				}
				buff.append(part +  BIGUNIT[pos]) ;
				isPrePartZero = false;
			}
			pos--;
		}
		return buff.toString();
	}

你改的方案过不了： 200000000

你钱数转换为中文的程序有个很大的错误：
你的标记Flag用的static变量，要是程序中多次调用这个转换类的话怎么办？？

一个测试用例：

public static void main(String[] args) throws Exception{  
        // 省略  
    	System.out.println(translate(1234,4));
    	System.out.println(translate(1234,4));
    }  

结果：

一千二百三十四
一千二百三十四一千二百三十四