privatestaticString integerTransGBK(String input) {String regix = "[0-9]+";int[] num = newint[input.length()];String[] str1 = { "零","壹","贰","叁","肆","伍","陆","柒","玐","玖"};TreeMap<Integer, String> map1 = newTreeMap<Integer, String>();StringBuilder sb = newStringBuilder();intlen = num.length;       //数字的长度booleanhasZero = false;   //是否有0//是否从第1位，第5为，第9位……开始。用来去除个位上的“零”booleanzeroFromGeWei = true;//判断是否是合法数字if(!input.matches(regix)){thrownewRuntimeException("对不起，你输入的不是数字!");}// 将String数字变成int数组for(inti = 0; i < num.length; i++) {num[i] = Integer.parseInt(String.valueOf(input.charAt(i)));}// 将str1的元素与数字一一对应for(inti = 0; i < str1.length; i++) {map1.put(i, str1[i]);}//开始转换字符串for(inti = len - 1; i>= 0; i--){intposition = len - i -1;if( position % 4==0)zeroFromGeWei = true;// 如果不是个位，每四位加个万或亿字，交替添加if(i != (len - 1) && ( position % 4==0)){if(hasZero ) {sb.insert(0,"零");  //在万亿之前的0数字，要处理完hasZero = false;}if((position % 8==0)){sb.insert(0,"亿");}else{sb.insert(0,"万");}}//判断数字字符是不是0字符if(num[i] != 0){if(hasZero && !zeroFromGeWei ) {sb.insert(0,"零");}hasZero = false;zeroFromGeWei = false;sb.insert(0,map1.get(num[i]));switch(position % 4) {case1:sb.insert(1,"拾");break;case2:sb.insert(1,"百");break;case3:sb.insert(1,"千");break;default:break;}}else{hasZero = true;}}//去除零万的情况intindex = sb.indexOf("零万");while(index != -1){sb.delete(index, index+2);index = sb.indexOf("零万");}//去除零亿的情况index = sb.indexOf("零亿");while(index != -1){sb.delete(index, index+1);index = sb.indexOf("零亿");}//去除最后一个字符为0的情况,在低8位为0的情况下，会在亿字后多个零字index = sb.indexOf("零",sb.length()-1);if(index != -1){sb.delete(index, index +1);}returnsb.toString();
}