学步园

CString StringProcessor::ConvertRmbStr(double dNum)<br /> {<br /> char szNum[13] = {0};<br /> sprintf(szNum,"%0.2f",dNum);<br /> int nLen = strlen(szNum);<br /> int nComma = 0;<br /> nComma = nLen/3 - 1;<br /> if (nLen % 3 == 0)//刚刚好的时候,最前面不能加分号 分号数目减去1.<br /> {<br /> nComma --;<br /> }</p> <p> int nResLen = nLen+nComma;<br /> char *pszRes = new char[nResLen+1]; //结果字符串<br /> pszRes[nResLen] = 0;</p> <p> //拷贝小数.<br /> pszRes[nResLen-1] = szNum[nLen-1];<br /> pszRes[nResLen-2] = szNum[nLen-2];<br /> pszRes[nResLen-3] = szNum[nLen-3];<br /> //对于小数前面的加逗号.<br /> for(int i=nResLen-4,j = nLen-4;i>=0;--i)<br /> {<br /> if ((nResLen-3)-i>0 && ((nResLen-3)-i)%4 == 0 )<br /> {<br /> //加逗号<br /> pszRes[i] = ',';<br /> }<br /> else<br /> {<br /> pszRes[i] = szNum[j];<br /> --j;<br /> }<br /> }<br /> CString strRet = pszRes;<br /> return strRet;<br /> }