java版数字生成大写金额

/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package Testmyjava; /** * * @author Administrator */ public class GetCapitalMoney { /** * 主调方法,传入金额字符串返回大写金额 * 参数:String num 字符型金额，如 ‘￥100,200.01’ * 注意:1、可以加‘￥’和‘,’分割金额,其他符号不识别。 * 2、金额需在万亿以下,即整数部分只识别13位有效数字。 * 3、小数只保留2位即‘角’和‘分’，非四舍五入，小于分的单位舍掉。 * 例子： 传入:￥100,200.01 返回:￥壹拾万零贰佰元壹分 * 作者:Mete Wang * 时间:2010-04-16 * @param num * @return */ public String getChineseNum(String num) { String rsNum = ""; num=num.replace(",",""); num=num.replace("￥",""); boolean isNegative =false; if(num.indexOf("-")==0) { isNegative=true; num=num.replace("-",""); } num=trimLeftZero(num); try{ Double.parseDouble(num); }catch(Exception ex) { return "无效的数字"; } if (Double.parseDouble(num) != 0) { String [] readyNum= new String[2]; readyNum=num.split("\\."); String beforePoint=num; //int point2 = num.indexOf("."); if(num.indexOf(".")!=-1){ beforePoint = readyNum[0]; } if(beforePoint.length()>13){ return "数位过大!"; } String rsBefore = ""; if (Double.parseDouble(beforePoint) != 0) { for (int i = beforePoint.length() - 1; i >= 0; i--) { String beforeTemp = ""; beforeTemp += getChinese(Integer.parseInt(beforePoint.charAt(i) + "")); beforeTemp += getChineseUnit(beforePoint.length() - i - 1); rsBefore = beforeTemp + rsBefore; } } String rsAfter = ""; if(num.indexOf(".")!=-1){ String afterPoint = readyNum[1];//num.substring(point2 + 1, num.length()); if (Double.parseDouble(afterPoint) != 0) { rsAfter += getChinese(Integer.parseInt(afterPoint.charAt(0) + "")) + "角"; rsAfter += getChinese(Integer.parseInt(afterPoint.charAt(1) + "")) + "分"; } else { rsAfter = "整"; } }else{ rsAfter = "整"; } rsNum = rsBefore + rsAfter; if(isNegative) { rsNum="负"+rsNum; } rsNum="￥"+trimZero(rsNum); } else { rsNum = "￥零元"; } return rsNum; } /** * 按数字转换成大写数字 * 作者:Mete Wang * 时间:2010-04-16 * @param num * @return */ private String getChinese(int num) { String chNum = ""; switch (num) { case 0: chNum = "零"; break; case 1: chNum = "壹"; break; case 2: chNum = "贰"; break; case 3: chNum = "叁"; break; case 4: chNum = "肆"; break; case 5: chNum = "伍"; break; case 6: chNum = "陆"; break; case 7: chNum = "柒"; break; case 8: chNum = "捌"; break; case 9: chNum = "玖"; break; } return chNum; } /** * 将对应位置加上单位 * 作者:Mete Wang * 时间:2010-04-16 * @param index * @return */ public String getChineseUnit(int index) { String chUnit = ""; switch (index) { case 0: chUnit = "元"; break; case 1: chUnit = "拾"; break; case 2: chUnit = "佰"; break; case 3: chUnit = "仟"; break; case 4: chUnit = "万"; break; case 5: chUnit = "拾"; break; case 6: chUnit = "佰"; break; case 7: chUnit = "仟"; break; case 8: chUnit = "亿"; break; case 9: chUnit = "拾"; break; case 10: chUnit = "佰"; break; case 11: chUnit = "仟"; break; case 12: chUnit = "万"; break; } return chUnit; } /** * 消掉数字左边空格 * 作者:Mete Wang * 时间:2010-04-16 * @param num * @return */ public String trimLeftZero(String num){ String newNum=""; int index=0; for(int i=0;i<num.length();i++) { if(num.charAt(i)!='0'){ index=i; break; } } newNum=num.substring(index,num.length()); return newNum; } /** * 消掉重复的单位和'零' * 作者:Mete Wang * 时间:2010-04-16 * @param num * @return */ public String trimZero(String num) { String rsNum =num; do { rsNum = rsNum.replace("零零", "零"); rsNum = rsNum.replace("零亿", "亿"); rsNum = rsNum.replace("亿万", "亿"); rsNum = rsNum.replace("零万", "万"); rsNum = rsNum.replace("零仟", "零"); rsNum = rsNum.replace("零佰", "零"); rsNum = rsNum.replace("零拾", "零"); rsNum = rsNum.replace("零元", "元"); rsNum = rsNum.replace("零角", ""); rsNum = rsNum.replace("零分", ""); } while (rsNum.indexOf("零零") != -1); rsNum = rsNum.replace("零元", "元"); rsNum = rsNum.replace("零万元", "元"); return rsNum; } }