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如何能够通过java实现整数转化为中文大写金额?

2016-02-23 13:05:18 来源:www.45fan.com 【

如何能够通过java实现整数转化为中文大写金额?

在日常生活中,我们经常会将阿拉伯数字转化为中文大写的情况:"零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖", "拾", "佰", "仟", "万", "亿",因此自己就编写一个类,实现该功能的转化。
实现过程:
对于这个问题的实现,我们首先把数字按四位一个拆开(符合我们读数字的习惯),然后对这四位数,做出他的读法,具体代码如下:

private static String getNumberStr1000 (int num) { 
 if (num > 9999 || num < 0) { 
 return ""; 
 } 
 int q = num / 1000; 
 int b = (num / 100) % 10; 
 int s = (num / 10) % 10; 
 int g = num % 10; 
 StringBuffer sb = new StringBuffer(); 
 //千 
 if (q > 0) { 
 sb.append(NUMBER1[q]); 
 sb.append(NUMBER2[3]); 
 } 
 //百 
 if (b > 0) { 
 sb.append(NUMBER1[b]); 
 sb.append(NUMBER2[2]); 
 } else { 
 if (q != 0) { 
  sb.append(NUMBER2[0]); 
 } 
 } 
 //十 
 if (s > 0) { 
 sb.append(NUMBER1[s]); 
 sb.append(NUMBER2[1]); 
 } else { 
 if (b != 0) { 
  sb.append(NUMBER2[0]); 
 } 
 } 
 //个 
 if (g > 0) { 
 sb.append(NUMBER1[g]); 
 } 
 return sb.toString(); 
} 

下面我们只需要在编写一个方法,实现每个四位数的读法以及对应的单位即可,具体代码如下:

public static String getNumberStr(int num) { 
 if (num < 0) { 
 return ""; 
 } 
 if (num == 0) { 
 return NUMBER1[0]; 
 } 
 int split = 10000; 
 int y = num / (split * split); 
 int w = (num / split) % split; 
 int g = num % split; 
 StringBuffer sb = new StringBuffer(); 
 //亿 
 if (y > 0) { 
 sb.append(getNumberStr1000(y)); 
 sb.append(NUMBER2[5]); 
 } 
 //万 
 if (w > 999) { 
 sb.append(getNumberStr1000(w)); 
 sb.append(NUMBER2[4]); 
 } else { 
 if (w > 0) { 
  if (y != 0) { 
  sb.append(NUMBER2[0]); 
  } 
  sb.append(getNumberStr1000(w)); 
  sb.append(NUMBER2[4]); 
 } 
 } 
 //万以下 
 if (g > 0) { 
 if (w != 0) { 
  if (g > 999) { 
  sb.append(getNumberStr1000(g)); 
  } else { 
  sb.append(NUMBER2[0]); 
  sb.append(getNumberStr1000(g)); 
  } 
  
 } else { 
  if (y != 0) { 
  sb.append(NUMBER2[0]); 
  } 
  sb.append(getNumberStr1000(g)); 
 } 
 } 
 return sb.toString(); 
} 

完整源代码:

 /** 
 *@Description: 
 */ 
package com.lulei.util; 
 
public class NumberUtil { 
 private static String[] NUMBER1 = {"零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"}; 
 private static String[] NUMBER2 = {"零", "拾", "佰", "仟", "万", "亿"}; 
 
 /** 
 * @param num 
 * @return 
 * @Author:lulei 
 * @Description:将数字转化为大写 
 */ 
 public static String getNumberStr(int num) { 
 if (num < 0) { 
  return ""; 
 } 
 if (num == 0) { 
  return NUMBER1[0]; 
 } 
 int split = 10000; 
 int y = num / (split * split); 
 int w = (num / split) % split; 
 int g = num % split; 
 StringBuffer sb = new StringBuffer(); 
 //亿 
 if (y > 0) { 
  sb.append(getNumberStr1000(y)); 
  sb.append(NUMBER2[5]); 
 } 
 //万 
 if (w > 999) { 
  sb.append(getNumberStr1000(w)); 
  sb.append(NUMBER2[4]); 
 } else { 
  if (w > 0) { 
  if (y != 0) { 
   sb.append(NUMBER2[0]); 
  } 
  sb.append(getNumberStr1000(w)); 
  sb.append(NUMBER2[4]); 
  } 
 } 
 //万以下 
 if (g > 0) { 
  if (w != 0) { 
  if (g > 999) { 
   sb.append(getNumberStr1000(g)); 
  } else { 
   sb.append(NUMBER2[0]); 
   sb.append(getNumberStr1000(g)); 
  } 
   
  } else { 
  if (y != 0) { 
   sb.append(NUMBER2[0]); 
  } 
  sb.append(getNumberStr1000(g)); 
  } 
 } 
 return sb.toString(); 
 } 
 
 /** 
 * @param num 
 * @return 
 * @Description:对万以下的数字进行大小写转化 
 */ 
 private static String getNumberStr1000 (int num) { 
 if (num > 9999 || num < 0) { 
  return ""; 
 } 
 int q = num / 1000; 
 int b = (num / 100) % 10; 
 int s = (num / 10) % 10; 
 int g = num % 10; 
 StringBuffer sb = new StringBuffer(); 
 //千 
 if (q > 0) { 
  sb.append(NUMBER1[q]); 
  sb.append(NUMBER2[3]); 
 } 
 //百 
 if (b > 0) { 
  sb.append(NUMBER1[b]); 
  sb.append(NUMBER2[2]); 
 } else { 
  if (q != 0) { 
  sb.append(NUMBER2[0]); 
  } 
 } 
 //十 
 if (s > 0) { 
  sb.append(NUMBER1[s]); 
  sb.append(NUMBER2[1]); 
 } else { 
  if (b != 0) { 
  sb.append(NUMBER2[0]); 
  } 
 } 
 //个 
 if (g > 0) { 
  sb.append(NUMBER1[g]); 
 } 
 return sb.toString(); 
 } 
 
 public static void main(String[] args) { 
 // TODO Auto-generated method stub 
 int i = 1; 
 System.out.println(i + "--" + NumberUtil.getNumberStr(i)); 
 i = 1001; 
 System.out.println(i + "--" + NumberUtil.getNumberStr(i)); 
 i = 100101; 
 System.out.println(i + "--" + NumberUtil.getNumberStr(i)); 
 i = 10100101; 
 System.out.println(i + "--" + NumberUtil.getNumberStr(i)); 
 i = 1234567890; 
 System.out.println(i + "--" + NumberUtil.getNumberStr(i)); 
 } 
 
}

测试运行结果:

如何能够通过java实现整数转化为中文大写金额?

希望本文所述对大家学习java程序设计有所帮助。


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Tags: 实现 Java 整数
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