基于ssh框架的权限管理系统

package com.gcflower.util; import java.text.DecimalFormat; import java.text.NumberFormat; import java.util.Locale; //总体思路： //对数字进行分级处理，级长为4 //对分级后的每级分别处理，处理后得到字符串相连 //如：123456=12|3456 //第二级：12=壹拾贰 + “万” //第一级：3456 =叁千肆百伍拾陆 + “” public final class RMB { private double amount = 0.0D; private static final String NUM = "零壹贰叁肆伍陆柒捌玖"; private static final String UNIT = "仟佰拾个"; private static final String GRADEUNIT = "仟万亿兆"; private static final String DOTUNIT = "角分厘"; private static final int GRADE = 4; private static final String SIGN = "￥"; private static final NumberFormat nf = new DecimalFormat("#0.###"); /** * 带参数的构造方法 * @param amount */ private RMB(double amount) { this.amount = amount; } public static String toBigAmt(double amount) { nf.setMinimumFractionDigits(2);//小数点后不足的补零 String amt = nf.format(amount);//将double类型的数格式化并转换成字符串,实际上进行了四舍五入 Double d = new Double(amount); String dotPart = ""; //取小数位 String intPart = ""; //取整数位 int dotPos; if ((dotPos = amt.indexOf('.')) != -1) { intPart = amt.substring(0, dotPos); dotPart = amt.substring(dotPos + 1); if(dotPart.length()>4){ //超过4位直接截取 dotPart = dotPart.substring(0,4); } } else { intPart = amt; } if (intPart.length() > 16) throw new java.lang.InternalError("数额太大，无法转换。"); String intBig = intToBig(intPart); String dotBig = dotToBig(dotPart); //以下代码稍做修改，现在好多了。 if ((dotBig.length() == 0) && (intBig.length() != 0)) { return intBig + "元整"; } else if ((dotBig.length() == 0) && (intBig.length() == 0)) { return intBig + "零元"; } else if ((dotBig.length() != 0) && (intBig.length() != 0)) { return intBig + "元" + dotBig; } else { return dotBig; } } /** * 用来处理几角几分几厘 * @param dotPart * @return */ private static String dotToBig(String dotPart) { //得到转换后的大写（小数部分） String strRet = ""; for (int i = 0; i < dotPart.length() && i < 3; i++) { int num; if ((num = Integer.parseInt(dotPart.substring(i, i + 1))) != 0) strRet += NUM.substring(num, num + 1)+ DOTUNIT.substring(i, i + 1); } return strRet; } /** * 用来处理多少元 ，这个要仔细考虑才行 * @param intPart * @return */ private static String intToBig(String intPart) { //得到转换后的大写（整数部分） int grade; //级长 String result = ""; String strTmp = ""; //得到当级长 grade = intPart.length() / GRADE; //调整级次长度 if (intPart.length() % GRADE != 0) grade += 1; //对每级数字处理，先处理最高级，然后再处理低级的 for (int i = grade; i >= 1; i--) { strTmp = getNowGradeVal(intPart, i);//取得当前级次数字 result += getSubUnit(strTmp);//转换大写 //System.out.println(strTmp+"|"+getSubUnit(strTmp)); result = dropZero(result);//除零 去掉连续的零 //System.out.println("result="+result); //加级次单位 if (i > 1) //末位不加单位 //单位不能相连续 //注意：连续4个零的时候要特殊处理(wmj修改此bug) if(getSubUnit(strTmp).equals("零零零零")){ result = result+"零"; }else{ result += GRADEUNIT.substring(i - 1, i); } } return result; } private static String getNowGradeVal(String strVal, int grade) { //得到当前级次的串 String rst; if (strVal.length() <= grade * GRADE) rst = strVal.substring(0, strVal.length() - (grade - 1) * GRADE); else rst = strVal.substring(strVal.length() - grade * GRADE, strVal.length() - (grade - 1) * GRADE); return rst; } private static String getSubUnit(String strVal) { //数值转换 String rst = ""; for (int i = 0; i < strVal.length(); i++) { String s = strVal.substring(i, i + 1); int num = Integer.parseInt(s); if (num == 0) { //“零”作特殊处理 if (i != strVal.length()) //转换后数末位不能为零 rst += "零"; } else { //If IntKey = 1 And i = 2 Then //“壹拾”作特殊处理 //“壹拾”合理 //Else rst += NUM.substring(num, num + 1); //End If //追加单位 if (i != strVal.length() - 1)//个位不加单位 rst += UNIT.substring(i + 4 - strVal.length(), i + 4 - strVal.length() + 1); } } return rst; } /** * 本地默认输出货币值 * 中国 * @param d * @return */ public static String currencyMoneyFormat(double d){ //NumberFormat currencyFormat = NumberFormat.getCurrencyInstance(); //NumberFormat germanformat = NumberFormat.getInstance(Locale.CHINA);//china format NumberFormat currencyFormat = NumberFormat.getInstance(Locale.CHINA); return currencyFormat.format(d); } /** * * @param strVal * @return */ private static String dropZero(String strVal) { //去除连继的“零” String strRst; String strBefore; //前一位置字符 String strNow; //现在位置字符 strBefore = strVal.substring(0, 1); strRst = strBefore; for (int i = 1; i < strVal.length(); i++) { strNow = strVal.substring(i, i + 1); if (strNow.equals("零") && strBefore.equals("零")) ;//同时为零 else strRst += strNow; strBefore = strNow; } //末位去零 if (strRst.substring(strRst.length() - 1, strRst.length()).equals("零")) strRst = strRst.substring(0, strRst.length() - 1); return strRst; } public static void main(String[] args) throws InterruptedException{ System.out.println( RMB.toBigAmt(12131234D)); double d = 10000.0 / 3.0; System.out.println("无格式化输出：" + d); // 使用本地默认格式输出数 NumberFormat numberFormat = NumberFormat.getNumberInstance(); //numberFormat.setMaximumFractionDigits(4); //numberFormat.setMinimumIntegerDigits(6); String numberString = numberFormat.format(d); System.out.println("本地默认格式输出数：" + numberString); // 使用本地默认格式输出货币值 // 使用本地默认格式输出百分数 NumberFormat percentFormat = NumberFormat.getPercentInstance(); System.out.println("本地默认格式输出百分数：" + pe