java阿拉伯数字转中文数字

package org.lulu.learn.work;

import java.io.*;

/**
 * Project: Day07
 * Created: Lulu
 * Date: 2016/8/5
 */
public class Work02 {
 public static void main(String[] args) {
//  int num = 0;
//  System.out.println(tranWan(num));

  try(BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream("res/data.txt")));
   BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("res/result.txt")))
    ){

   String str = "";
   int percent = 0;

   while ((str = br.readLine()) != null) {
    bw.write(tranWan(Integer.parseInt(str)));
    bw.newLine();
    percent++;

    Thread.sleep(100);

    System.out.print("\r[");
    for (int i = 0; i < 20; i++) {
     if(i < percent/5){
      System.out.print("=");
     }else if(i == percent/5){
      System.out.print(">");
     }else{
      System.out.print(" ");
     }

    }
    System.out.print("]");
    System.out.printf("\t%.2f%%", (float)percent);
   }


  } catch (FileNotFoundException e) {
   e.printStackTrace();
  } catch (IOException e) {
   e.printStackTrace();
  } catch (InterruptedException e) {
   e.printStackTrace();
  }

 }


 /**
  * 处理千万数字方法
  *
  * @param num
  * @return
  */
 private static String tranWan(int num) {
  StringBuilder builder = new StringBuilder();
  if (num / 10000 > 0) {//说明
   builder.append(trans(num / 10000)).append("万");
  }
  int temp = num % 10000;
  if (temp > 0) {
   String trans = trans(temp);
   //首先判断是否有万位,
   if (builder.length() > 0) {

    //如果千位为0, 则需要补零
    if (temp / 1000 == 0) {
     builder.append("零");
    }
   }
   builder.append(trans);

  }
  if (builder.length() == 0) {
   builder.append("零");
  }
  return builder.toString();
 }

 /**
  * 完成4位数转换
  *
  * @param num
  * @return
  */
 private static String trans(int num) {
  String[] numeric = new String[]{"零", "一", "二", "三", "四", "五", "六", "七", "八", "九"};
  StringBuilder builder = new StringBuilder();
  builder.append(numeric[num / 1000] + "千").
    append(numeric[num / 100 % 10] + "百").
    append(numeric[num / 10 % 10] + "十").
    append(numeric[num % 10]);
  //去掉了零千....
  int index = -1;
  while ((index = builder.indexOf(numeric[0], index + 1)) != -1) {
   if (index < builder.length() - 1) {
    builder.deleteCharAt(index + 1);
   }
  }
  //去掉双零
  index = 0;
  while ((index = builder.indexOf("零零", index)) != -1) {
   builder.deleteCharAt(index);
  }

  if (builder.length() > 1) {
   //去掉开头的零
   if (builder.indexOf(numeric[0]) == 0) {
    builder.deleteCharAt(0);
   }
   //去掉末尾的零
   if (builder.indexOf(numeric[0]) == builder.length() - 1) {
    builder.deleteCharAt(builder.length() - 1);
   }

  }
  //把开头一十换成十
  if (builder.indexOf("一十") == 0) {
   builder.deleteCharAt(0);
  }
  return builder.toString();
 }
}

private static String toChinese(String str) {
  String[] s1 = { "零", "一", "二", "三", "四", "五", "六", "七", "八", "九" };
  String[] s2 = { "十", "百", "千", "万", "十", "百", "千", "亿", "十", "百", "千" };
  String result = "";
  int n = string.length();
  for (int i = 0; i < n; i++) {
   int num = string.charAt(i) - '0';
   if (i != n - 1 && num != 0) {
    result += s1[num] + s2[n - 2 - i];
   } else {
    result += s1[num];
   }
   System.out.println(" "+result);
  }
  System.out.println(result);
  return result;
 }

 public static void main(String[] args) {
  Scanner scanner = new Scanner(System.in);
  System.out.println("输入字符串：");
  String str = scanner.next();
  // 将字符串数字转化为汉字
  toChinese(str);
 }