[原创] 用C#将数字转换为人民币大写
网上已经有一些数字转换为人民币大写的源码和控件,但还是自己动手写了一个。一是觉得好玩,二是希望能给需要的朋友提供一些方便:
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public class XConvert
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{
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public static string ToRMB(Double e)
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{
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return ToRMB(System.Convert.ToDecimal(e));
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}
7![](/Images/OutliningIndicators/InBlock.gif)
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public static string ToRMB(Decimal e)
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{
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string eString;//数字的格式化字符串
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string eNum;//单数字
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int eLen;//格式化字符串长度
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System.Text.StringBuilder rmb=new System.Text.StringBuilder();//人民币大写
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string yuan;//圆
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bool seriesZero;//连续0标志
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bool minus=false;//负数标志
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if (e==0m)
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{
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return "零圆整";
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}
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if (e<0m)
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{
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minus=true;
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e=System.Math.Abs(e);
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}
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if (e>999999999999.99m)
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{
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throw new Exception("超过最大范围");
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}
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eString=e.ToString("0.00");
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eLen=eString.Length;
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yuan=(eString.Substring(0,1)=="0"?"":"圆");
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eNum=eString.Substring(eLen-1,1);//分位
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if (eNum=="0")
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{
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rmb.Append("整");
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seriesZero=true;
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}
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else
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{
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rmb.Append(stringNum(eNum)+"分");
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seriesZero=false;
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}
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eNum=eString.Substring(eLen-2,1);//角位
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if (eNum=="0")
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{
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if (!seriesZero)
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{
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if (!(eLen==4&&eString.Substring(0,1)=="0"))
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{
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rmb.Insert(0,"零");
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}
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}
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}
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else
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{
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rmb.Insert(0,stringNum(eNum)+"角");
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seriesZero=false;
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}
65![](/Images/OutliningIndicators/InBlock.gif)
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if (eLen<=7)
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{
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rmb.Insert(0,stringNum4(eString.Substring(0,eLen-3))+yuan);
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}
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else if (eLen<=11)
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{
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rmb.Insert(0,stringNum4(eString.Substring(eLen-7,4))+yuan);
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rmb.Insert(0,stringNum4(eString.Substring(0,eLen-7))+"万");
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}
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else if (eLen<=15)
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{
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rmb.Insert(0,stringNum4(eString.Substring(eLen-7,4))+yuan);
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rmb.Insert(0,stringNum4(eString.Substring(eLen-11,4))+(eString.Substring(eLen-11,4)=="0000"?"":"万"));
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rmb.Insert(0,stringNum4(eString.Substring(0,eLen-11))+"亿");
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}
81![](/Images/OutliningIndicators/InBlock.gif)
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if (minus) rmb.Insert(0,"负");
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return rmb.ToString();
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}
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private static string stringNum4(string eNum4)
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{
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string eNum;
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bool seriesZero=false;
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System.Text.StringBuilder rmb4=new System.Text.StringBuilder();
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int eLen=eNum4.Length;
93![](/Images/OutliningIndicators/InBlock.gif)
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eNum=eNum4.Substring(eLen-1,1);//个位
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if (eNum=="0")
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{
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seriesZero=true;
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}
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else
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{
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rmb4.Append(stringNum(eNum));
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}
103![](/Images/OutliningIndicators/InBlock.gif)
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if (eLen>=2)//十位
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{
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eNum=eNum4.Substring(eLen-2,1);
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if (eNum=="0")
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{
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if (!seriesZero)
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{
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rmb4.Insert(0,"零");
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seriesZero=true;
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}
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}
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else
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{
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rmb4.Insert(0,stringNum(eNum)+"拾");
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seriesZero=false;
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}
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}
121![](/Images/OutliningIndicators/InBlock.gif)
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if (eLen>=3)//百位
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{
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eNum=eNum4.Substring(eLen-3,1);
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if(eNum=="0")
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{
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if (!seriesZero)
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{
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rmb4.Insert(0,"零");
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seriesZero=true;
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}
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}
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else
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{
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rmb4.Insert(0,stringNum(eNum)+"佰");
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seriesZero=false;
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}
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}
139![](/Images/OutliningIndicators/InBlock.gif)
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if (eLen==4)//千位
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{
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eNum=eNum4.Substring(0,1);
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if(eNum=="0")
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{
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if (!seriesZero)
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{
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rmb4.Insert(0,"零");
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seriesZero=true;
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}
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}
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else
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{
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rmb4.Insert(0,stringNum(eNum)+"仟");
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seriesZero=false;
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}
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}
157![](/Images/OutliningIndicators/InBlock.gif)
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return rmb4.ToString();
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}
160![](/Images/OutliningIndicators/InBlock.gif)
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private static string stringNum(string eNum)
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{
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switch (eNum)
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{
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case "1":
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return "壹";
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case "2":
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return "贰";
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case "3":
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return "叁";
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case "4":
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return "肆";
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case "5":
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return "伍";
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case "6":
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return "陆";
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case "7":
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return "柒";
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case "8":
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return "捌";
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case "9":
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return "玖";
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default:
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return "";
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}
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}
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}
不足之处,望朋友们指正。
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