数字变成大写的类,把人民币转化为大写汉字

import java.math.BigDecimal;






public class ConvertNumber ...{




/** *//** 定义数组存放数字对应的大写 */






private final static String[] STR_NUMBER = ...{ "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" };






/** *//** 定义数组存放位数的大写 */




private final static String[] STR_MODIFY = ...{ "", "拾", "佰", "仟", "万", "拾", "佰", "仟", "亿", "拾", "佰", "仟" };






/** *//**


* 转化整数部分


*


* @param tempString


* @return 返回整数部分


*/




private static String getInteger(String tempString) ...{




/** *//** 用来保存整数部分数字串 */


String strInteger = null;//




/** *//** 记录"."所在位置 */


int intDotPos = tempString.indexOf(".");


int intSignPos = tempString.indexOf("-");


if (intDotPos == -1)


intDotPos = tempString.length();




/** *//** 取出整数部分 */


strInteger = tempString.substring(intSignPos + 1, intDotPos);


strInteger = new StringBuffer(strInteger).reverse().toString();




StringBuffer sbResult = new StringBuffer();




for (int i = 0; i < strInteger.length(); i++) ...{


sbResult.append(STR_MODIFY);


sbResult.append(STR_NUMBER[strInteger.charAt(i) - 48]);


}




sbResult = sbResult.reverse();




replace(sbResult, "零拾", "零");


replace(sbResult, "零佰", "零");


replace(sbResult, "零仟", "零");


replace(sbResult, "零万", "万");


replace(sbResult, "零亿", "亿");




replace(sbResult, "零零", "零");


replace(sbResult, "零零零", "零");




/** *//** 这两句不能颠倒顺序 */


replace(sbResult, "零零零零万", "");


replace(sbResult, "零零零零", "");




/** *//** 这样读起来更习惯. */


replace(sbResult, "壹拾亿", "拾亿");


replace(sbResult, "壹拾万", "拾万");




/** *//** 删除个位上的零 */


if (sbResult.charAt(sbResult.length() - 1) == '零' && sbResult.length() != 1)


sbResult.deleteCharAt(sbResult.length() - 1);






if (strInteger.length() == 2) ...{


replace(sbResult, "壹拾", "拾");


}




/** *//** 将结果反转回来. */


return sbResult.toString();


}






/** *//**


* 转化小数部分 例：输入22.34返回叁肆


*


* @param tempString


* @return


*/




private static String getFraction(String tempString) ...{


String strFraction = null;


int intDotPos = tempString.indexOf(".");




/** *//** 没有点说明没有小数，直接返回 */


if (intDotPos == -1)


return "";


strFraction = tempString.substring(intDotPos + 1);


StringBuffer sbResult = new StringBuffer(strFraction.length());






for (int i = 0; i < strFraction.length(); i++) ...{


sbResult.append(STR_NUMBER[strFraction.charAt(i) - 48]);


}


return sbResult.toString();


}






/** *//**


* 判断传入的字符串中是否有.如果有则返回点


*


* @param tempString


* @return


*/




private static String getDot(String tempString) ...{


return tempString.indexOf(".") != -1 ? "点" : "";


}






/** *//**


* 判断传入的字符串中是否有-如果有则返回负


*


* @param tempString


* @return


*/




private static String getSign(String tempString) ...{


return tempString.indexOf("-") != -1 ? "负" : "";


}






/** *//**


* 将一个数字转化为金额


*


* @param tempNumber 传入一个double的变量


* @return 返一个转换好的字符串


*/




public static String numberToChinese(double tempNumber) ...{


java.text.DecimalFormat df = new java.text.DecimalFormat("#.#########");


String pTemp = String.valueOf(df.format(tempNumber));


StringBuffer sbResult = new StringBuffer(getSign(pTemp) + getInteger(pTemp) + getDot(pTemp) + getFraction(pTemp));


return sbResult.toString();


}






public static String numberToChinese(BigDecimal tempNumber) ...{


return numberToChinese(tempNumber.doubleValue());


}






/** *//**


* 替代字符


*


* @param pValue


* @param pSource


* @param pDest


*/




private static void replace(StringBuffer pValue, String pSource, String pDest) ...{


if (pValue == null || pSource == null || pDest == null)


return;




/** *//** 记录pSource在pValue中的位置 */


int intPos = 0;




do ...{


intPos = pValue.toString().indexOf(pSource);




/** *//** 没有找到pSource */


if (intPos == -1)


break;


pValue.delete(intPos, intPos + pSource.length());


pValue.insert(intPos, pDest);


} while (true);


}






/** *//**


* @param args


*/






public static void main(String[] args) ...{


System.out.println(numberToChinese(1230400567.8934));


}




}