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浮点数变换为人民币读法(续)

发布时间: 2012-12-20 09:53:21 作者: rapoo

浮点数转换为人民币读法(续)

import java.math.BigDecimal;public class ConvertNum {  /** 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[i]);      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()+"元";  }  /**   * 转化小数部分,保留两位小数  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,intDotPos+3);    StringBuffer sbResult = new StringBuffer(strFraction.length());    for (int i = 0; i < strFraction.length(); i++) {    if(i==0){    sbResult.append(STR_NUMBER[strFraction.charAt(i) - 48]+"角");    }else {    sbResult.append(STR_NUMBER[strFraction.charAt(i) - 48]+"分");}          }    return sbResult.toString();  }     /**   * 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(getInteger(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(3012.234));  }}
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