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【Java】人民币转成大写
作者: / 发布于2011/1/14/ 458
<div><span style="color: #008000">/**</span><span style="color: #008000">
 * 人民币转成大写
 * 
 * </span><span style="color: #808080">@param</span><span style="color: #008000"> value
 * </span><span style="color: #808080">@return</span><span style="color: #008000"> String
 </span><span style="color: #008000">*/</span><span style="color: #000000">
 </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">static</span><span style="color: #000000"> String hangeToBig(</span><span style="color: #0000ff">double</span><span style="color: #000000"> value)
 {
 </span><span style="color: #0000ff">char</span><span style="color: #000000">[] hunit </span><span style="color: #000000">=</span><span style="color: #000000"> { </span><span style="color: #000000">'</span><span style="color: #000000">拾</span><span style="color: #000000">'</span><span style="color: #000000">, </span><span style="color: #000000">'</span><span style="color: #000000">佰</span><span style="color: #000000">'</span><span style="color: #000000">, </span><span style="color: #000000">'</span><span style="color: #000000">仟</span><span style="color: #000000">'</span><span style="color: #000000"> }; </span><span style="color: #008000">//</span><span style="color: #008000"> 段内位置表示</span><span style="color: #008000">
</span><span style="color: #000000"> </span><span style="color: #0000ff">char</span><span style="color: #000000">[] vunit </span><span style="color: #000000">=</span><span style="color: #000000"> { </span><span style="color: #000000">'</span><span style="color: #000000">万</span><span style="color: #000000">'</span><span style="color: #000000">, </span><span style="color: #000000">'</span><span style="color: #000000">亿</span><span style="color: #000000">'</span><span style="color: #000000"> }; </span><span style="color: #008000">//</span><span style="color: #008000"> 段名表示</span><span style="color: #008000">
</span><span style="color: #000000"> </span><span style="color: #0000ff">char</span><span style="color: #000000">[] digit </span><span style="color: #000000">=</span><span style="color: #000000"> { </span><span style="color: #000000">'</span><span style="color: #000000">零</span><span style="color: #000000">'</span><span style="color: #000000">, </span><span style="color: #000000">'</span><span style="color: #000000">壹</span><span style="color: #000000">'</span><span style="color: #000000">, </span><span style="color: #000000">'</span><span style="color: #000000">贰</span><span style="color: #000000">'</span><span style="color: #000000">, </span><span style="color: #000000">'</span><span style="color: #000000">叁</span><span style="color: #000000">'</span><span style="color: #000000">, </span><span style="color: #000000">'</span><span style="color: #000000">肆</span><span style="color: #000000">'</span><span style="color: #000000">, </span><span style="color: #000000">'</span><span style="color: #000000">伍</span><span style="color: #000000">'</span><span style="color: #000000">, </span><span style="color: #000000">'</span><span style="color: #000000">陆</span><span style="color: #000000">'</span><span style="color: #000000">, </span><span style="color: #000000">'</span><span style="color: #000000">柒</span><span style="color: #000000">'</span><span style="color: #000000">, </span><span style="color: #000000">'</span><span style="color: #000000">捌</span><span style="color: #000000">'</span><span style="color: #000000">, </span><span style="color: #000000">'</span><span style="color: #000000">玖</span><span style="color: #000000">'</span><span style="color: #000000"> }; </span><span style="color: #008000">//</span><span style="color: #008000"> 数字表示</span><span style="color: #008000">
</span><span style="color: #000000"> </span><span style="color: #0000ff">long</span><span style="color: #000000"> midVal </span><span style="color: #000000">=</span><span style="color: #000000"> (</span><span style="color: #0000ff">long</span><span style="color: #000000">) (value </span><span style="color: #000000">*</span><span style="color: #000000"> </span><span style="color: #000000">100</span><span style="color: #000000">); </span><span style="color: #008000">//</span><span style="color: #008000"> 转化成整形</span><span style="color: #008000">
</span><span style="color: #000000"> String valStr </span><span style="color: #000000">=</span><span style="color: #000000"> String.valueOf(midVal); </span><span style="color: #008000">//</span><span style="color: #008000"> 转化成字符串</span><span style="color: #008000">
</span><span style="color: #000000">
 String head </span><span style="color: #000000">=</span><span style="color: #000000"> valStr.substring(</span><span style="color: #000000">0</span><span style="color: #000000">, valStr.length() </span><span style="color: #000000">-</span><span style="color: #000000"> </span><span style="color: #000000">2</span><span style="color: #000000">); </span><span style="color: #008000">//</span><span style="color: #008000"> 取整数部分</span><span style="color: #008000">
</span><span style="color: #000000"> String rail </span><span style="color: #000000">=</span><span style="color: #000000"> valStr.substring(valStr.length() </span><span style="color: #000000">-</span><span style="color: #000000"> </span><span style="color: #000000">2</span><span style="color: #000000">); </span><span style="color: #008000">//</span><span style="color: #008000"> 取小数部分</span><span style="color: #008000">
</span><span style="color: #000000">
 String prefix </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">""</span><span style="color: #000000">; </span><span style="color: #008000">//</span><span style="color: #008000"> 整数部分转化的结果</span><span style="color: #008000">
</span><span style="color: #000000"> String suffix </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">""</span><span style="color: #000000">; </span><span style="color: #008000">//</span><span style="color: #008000"> 小数部分转化的结果
 </span><span style="color: #008000">//</span><span style="color: #008000"> 处理小数点后面的数</span><span style="color: #008000">
</span><span style="color: #000000"> </span><span style="color: #0000ff">if</span><span style="color: #000000"> (rail.equals(</span><span style="color: #000000">"</span><span style="color: #000000">00</span><span style="color: #000000">"</span><span style="color: #000000">))
 { </span><span style="color: #008000">//</span><span style="color: #008000"> 如果小数部分为0</span><span style="color: #008000">
</span><span style="color: #000000"> suffix </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">"</span><span style="color: #000000">整</span><span style="color: #000000">"</span><span style="color: #000000">;
 }
 </span><span style="color: #0000ff">else</span><span style="color: #000000">
 {
 suffix </span><span style="color: #000000">=</span><span style="color: #000000"> digit[rail.charAt(</span><span style="color: #000000">0</span><span style="color: #000000">) </span><span style="color: #000000">-</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">0</span><span style="color: #000000">'</span><span style="color: #000000">] </span><span style="color: #000000">+</span><span style="color: #000000"> </span><span style="color: #000000">"</span><span style="color: #000000">角</span><span style="color: #000000">"</span><span style="color: #000000"> </span><span style="color: #000000">+</span><span style="color: #000000"> digit[rail.charAt(</span><span style="color: #000000">1</span><span style="color: #000000">) </span><span style="color: #000000">-</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">0</span><span style="color: #000000">'</span><span style="color: #000000">] </span><span style="color: #000000">+</span><span style="color: #000000"> </span><span style="color: #000000">"</span><span style="color: #000000">分</span><span style="color: #000000">"</span><span style="color: #000000">; </span><span style="color: #008000">//</span><span style="color: #008000"> 否则把角分转化出来</span><span style="color: #008000">
</span><span style="color: #000000"> }
 </span><span style="color: #008000">//</span><span style="color: #008000"> 处理小数点前面的数</span><span style="color: #008000">
</span><span style="color: #000000"> </span><span style="color: #0000ff">char</span><span style="color: #000000">[] chDig </span><span style="color: #000000">=</span><span style="color: #000000"> head.toCharArray(); </span><span style="color: #008000">//</span><span style="color: #008000"> 把整数部分转化成字符数组</span><span style="color: #008000">
</span><span style="color: #000000"> </span><span style="color: #0000ff">char</span><span style="color: #000000"> zero </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">0</span><span style="color: #000000">'</span><span style="color: #000000">; </span><span style="color: #008000">//</span><span style="color: #008000"> 标志'0'表示出现过0</span><span style="color: #008000">
</span><span style="color: #000000"> </span><span style="color: #0000ff">byte</span><span style="color: #000000"> zeroSerNum </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">0</span><span style="color: #000000">; </span><span style="color: #008000">//</span><span style="color: #008000"> 连续出现0的次数</span><span style="color: #008000">
</span><span style="color: #000000"> </span><span style="color: #0000ff">for</span><span style="color: #000000"> (</span><span style="color: #0000ff">int</span><span style="color: #000000"> i </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">0</span><span style="color: #000000">; i </span><span style="color: #000000"><</span><span style="color: #000000"> chDig.length; i</span><span style="color: #000000">++</span><span style="color: #000000">)
 { </span><span style="color: #008000">//</span><span style="color: #008000"> 循环处理每个数字</span><span style="color: #008000">
</span><span style="color: #000000"> </span><span style="color: #0000ff">int</span><span style="color: #000000"> idx </span><span style="color: #000000">=</span><span style="color: #000000"> (chDig.length </span><span style="color: #000000">-</span><span style="color: #000000"> i </span><span style="color: #000000">-</span><span style="color: #000000"> </span><span style="color: #000000">1</span><span style="color: #000000">) </span><span style="color: #000000">%</span><span style="color: #000000"> </span><span style="color: #000000">4</span><span style="color: #000000">; </span><span style="color: #008000">//</span><span style="color: #008000"> 取段内位置</span><span style="color: #008000">
</span><span style="color: #000000"> </span><span style="color: #0000ff">int</span><span style="color: #000000"> vidx </span><span style="color: #000000">=</span><span style="color: #000000"> (chDig.length </span><span style="color: #000000">-</span><span style="color: #000000"> i </span><span style="color: #000000">-</span><span style="color: #000000"> </span><span style="color: #000000">1</span><span style="color: #000000">) </span><span style="color: #000000">/</span><span style="color: #000000"> </span><span style="color: #000000">4</span><span style="color: #000000">; </span><span style="color: #008000">//</span><span style="color: #008000"> 取段位置</span><span style="color: #008000">
</span><span style="color: #000000"> </span><span style="color: #0000ff">if</span><span style="color: #000000"> (chDig[i] </span><span style="color: #000000">==</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">0</span><span style="color: #000000">'</span><span style="color: #000000">)
 { </span><span style="color: #008000">//</span><span style="color: #008000"> 如果当前字符是0</span><span style="color: #008000">
</span><span style="color: #000000"> zeroSerNum</span><span style="color: #000000">++</span><span style="color: #000000">; </span><span style="color: #008000">//</span><span style="color: #008000"> 连续0次数递增</span><span style="color: #008000">
</span><span style="color: #000000"> </span><span style="color: #0000ff">if</span><span style="color: #000000"> (zero </span><span style="color: #000000">==</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">0</span><span style="color: #000000">'</span><span style="color: #000000">)
 { </span><span style="color: #008000">//</span><span style="color: #008000"> 标志</span><span style="color: #008000">
</span><span style="color: #000000"> zero </span><span style="color: #000000">=</span><span style="color: #000000"> digit[</span><span style="color: #000000">0</span><span style="color: #000000">];
 }
 </span><span style="color: #0000ff">else</span><span style="color: #000000"> </span><span style="color: #0000ff">if</span><span style="color: #000000"> (idx </span><span style="color: #000000">==</span><span style="color: #000000"> </span><span style="color: #000000">0</span><span style="color: #000000"> </span><span style="color: #000000">&&</span><span style="color: #000000"> vidx </span><span style="color: #000000">></span><span style="color: #000000"> </span><span style="color: #000000">0</span><span style="color: #000000"> </span><span style="color: #000000">&&</span><span style="color: #000000"> zeroSerNum </span><span style="color: #000000"><</span><span style="color: #000000"> </span><span style="color: #000000">4</span><span style="color: #000000">)
 {
 prefix </span><span style="color: #000000">+=</span><span style="color: #000000"> vunit[vidx </span><span style="color: #000000">-</span><span style="color: #000000"> </span><span style="color: #000000">1</span><span style="color: #000000">];
 zero </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">0</span><span style="color: #000000">'</span><span style="color: #000000">;
 }
 </span><span style="color: #0000ff">continue</span><span style="color: #000000">;
 }
 zeroSerNum </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">0</span><span style="color: #000000">; </span><span style="color: #008000">//</span><span style="color: #008000"> 连续0次数清零</span><span style="color: #008000">
</span><span style="color: #000000"> </span><span style="color: #0000ff">if</span><span style="color: #000000"> (zero </span><span style="color: #000000">!=</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">0</span><span style="color: #000000">'</span><span style="color: #000000">)
 { </span><span style="color: #008000">//</span><span style="color: #008000"> 如果标志不为0,则加上,例如万,亿什么的</span><span style="color: #008000">
</span><span style="color: #000000"> prefix </span><span style="color: #000000">+=</span><span style="color: #000000"> zero;
 zero </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">0</span><span style="color: #000000">'</span><span style="color: #000000">;
 }
 prefix </span><span style="color: #000000">+=</span><span style="color: #000000"> digit[chDig[i] </span><span style="color: #000000">-</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">0</span><span style="color: #000000">'</span><span style="color: #000000">]; </span><span style="color: #008000">//</span><span style="color: #008000"> 转化该数字表示</span><span style="color: #008000">
</span><span style="color: #000000"> </span><span style="color: #0000ff">if</span><span style="color: #000000"> (idx </span><span style="color: #000000">></span><span style="color: #000000"> </span><span style="color: #000000">0</span><span style="color: #000000">)
 prefix </span><span style="color: #000000">+=</span><span style="color: #000000"> hunit[idx </span><span style="color: #000000">-</span><span style="color: #000000"> </span><span style="color: #000000">1</span><span style="color: #000000">];
 </span><span style="color: #0000ff">if</span><span style="color: #000000"> (idx </span><span style="color: #000000">==</span><span style="color: #000000"> </span><span style="color: #000000">0</span><span style="color: #000000"> </span><span style="color: #000000">&&</span><span style="color: #000000"> vidx </span><span style="color: #000000">></span><span style="color: #000000"> </span><span style="color: #000000">0</span><span style="color: #000000">)
 {
 prefix </span><span style="color: #000000">+=</span><span style="color: #000000"> vunit[vidx </span><span style="color: #000000">-</span><span style="color: #000000"> </span><span style="color: #000000">1</span><span style="color: #000000">]; </span><span style="color: #008000">//</span><span style="color: #008000"> 段结束位置应该加上段名如万,亿</span><span style="color: #008000">
</span><span style="color: #000000"> }
 }

 </span><span style="color: #0000ff">if</span><span style="color: #000000"> (prefix.length() </span><span style="color: #000000">></span><span style="color: #000000"> </span><span style="color: #000000">0</span><span style="color: #000000">)
 prefix </span><span style="color: #000000">+=</span><span style="color: #000000"> </span><span style="color: #000000">'</span><span style="color: #000000">圆</span><span style="color: #000000">'</span><span style="color: #000000">; </span><span style="color: #008000">//</span><span style="color: #008000"> 如果整数部分存在,则有圆的字样</span><span style="color: #008000">
</span><span style="color: #000000"> </span><span style="color: #0000ff">return</span><span style="color: #000000"> prefix </span><span style="color: #000000">+</span><span style="color: #000000"> suffix; </span><span style="color: #008000">//</span><span style="color: #008000"> 返回正确表示</span><span style="color: #008000">
</span><span style="color: #000000"> }
</span>
</div>
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