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java实现整数转化为中文大写金额的方法

2017年12月08日  | 移动技术网IT编程  | 我要评论

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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:

希望本文所述对大家学习java程序设计有所帮助。

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