将数字(类似金钱)显示在控件中,你可以输入输出并且可以将数字转换成文字

using System;using System.Collections;using System.ComponentModel;using System.Drawing;using System.Data;using System.Windows.Forms;using System.Text ;namespace PzControl{ /// <summary> /// MoneyControl 的摘要说明。 /// </summary> public class MoneyControl : System.Windows.Forms.UserControl { private System.Windows.Forms.Timer timer1; private System.ComponentModel.IContainer components; private const int W=120;//总宽 private const int H=40;//总高 private const int segment=8;//每段宽 private bool show=true ;//控制光标闪烁 private struct Pens//绘制竖线的彩笔 { public Pen RedPen; public Pen BluePen; public Pen YellowPen; } private struct Num//每段的信息 { public int index; public char num; public Point point; } private Num[] numS=new Num[15]; private Pens penS=new Pens(); private Num CurrentNum; private int upIndex; private decimal moneyP=0m;//Money private decimal moneyUp=0m;//上一次修改之前的数目 private bool modified=false;//是否已修改 /// <summary> /// 被选取时的背景色 /// </summary> private Color selectedColor=Color.FromArgb(235,235,235) ; /// <summary> /// 未被选取时的背景色 /// </summary> private Color unSelectedColor=Color.White ; /// <summary> /// 是否画边框 /// </summary> private bool drawFram=true; /// <summary> /// 是否为只读 /// </summary> private bool; private bool zf=true; /// <summary> /// 构造函数 /// </summary> public MoneyControl() { // 该调用是 Windows.Forms 窗体设计器所必需的。 InitializeComponent(); // TODO: 在 InitializeComponent 调用后添加任何初始化 penS.BluePen =new Pen(Color.Blue ,1); penS.RedPen =new Pen(Color.Red ,1); penS.YellowPen =new Pen(Color.Bisque ,1); this.Money =0m; this.Width =W;this.Height =H; this.CurrentNum =this.numS[12]; this.upIndex =12; } /// <summary> /// 提供初始设置 /// </summary> /// <param name="DrawFram">是否画边框</param> /// <param name="SelectedColor">选取时的颜色</param> /// <param name="UselectedColor">未被选取时的颜色</param> /// <param name="MoneyP">数目</param> public void StartSet(bool DrawFram,Color SelectedColor,Color UselectedColor,decimal MoneyP) { if(SelectedColor==UselectedColor) { MessageBox.Show("选取时和未被选取时的颜色不能设置成一样!"); return ; } this.selectedColor =SelectedColor; this.unSelectedColor =UselectedColor; this.drawFram=DrawFram; this.MoneyZF =MoneyP; this.moneyUp =MoneyP; this.modified =false; } /// <summary> /// 提供初始设置 /// </summary> /// <param name="MoneyP">数目</param> public void StartSet(decimal MoneyP) { this.MoneyZF =MoneyP; this.moneyUp =MoneyP; this.modified =false; } public void StartSet(bool DrawFram,decimal MoneyP) { this.drawFram=DrawFram; this.MoneyZF =MoneyP; this.moneyUp =MoneyP; this.modified =false; } /// <summary> /// 提供初始设置 /// </summary> /// <param name="SelectedColor">选取时的颜色</param> /// <param name="UselectedColor">未被选取时的颜色</param> /// <param name="MoneyP">数目</param> public void StartSet(Color SelectedColor,Color UselectedColor,decimal MoneyP) { if(SelectedColor==UselectedColor) { MessageBox.Show("选取时和未被选取时的颜色不能设置成一样!"); return ; } this.selectedColor =SelectedColor; this.unSelectedColor =UselectedColor; this.MoneyZF =MoneyP; this.moneyUp =MoneyP; this.modified =false; } /// <summary> /// 如果放弃修改则 /// </summary> public void CancelModif() { this.MoneyZF =this.moneyUp ; this.modified =false; } /// <summary> /// 设置或取Money /// </summary> public decimal MoneyZF { get { if(this.zf) return this.moneyP ; else return -this.moneyP ; } set { this.Money=Math.Abs(value); if(value>=0) this.ZF =true; else this.ZF =false; } } /// <summary> /// 设置,获取是否已改变 /// </summary> public bool Modified { get { return this.modified ; } set { this.modified =value; if(!value)//如果保存修改则 this.moneyUp =this.MoneyZF ; } } public bool ReadOnly { get { return this.readOnly ; } set { this.readOnly =value; } } /// <summary> /// 填写字符数组---设置Money无符号数 /// </summary> /// <param name="money"></param> private decimal Money { get { return this.moneyP; } set { Num num;char[] charP; charP=this.moneyToCharS(value); for(int i=0;i<15;i++) { num=new Num(); num.index =i; num.num =charP[i]; num.point =new Point(i*segment,16); numS[i]=num; } this.moneyP =value; this.modified =true; } } /// <summary> /// 设置或取Money的正负 /// </summary> public bool ZF { get { return this.zf ; } set { this.zf =value; this.UnDisplayMoney(); this.drawMoney(); this.modified =true; } } /// <summary> /// 分析money使之与显示的字符一一对应 /// </summary> /// <param name="numP"></param> /// <returns></returns> private char[] moneyToCharS(decimal numP) { char[] pp=new char[15]; if(numP==0) { for(int i=0;i<15;i++) { pp[i]=' '; } return pp; } string str=numP.ToString().Trim(); int s=str.IndexOf("."); if(s==-1) { str=str.PadLeft(13,' '); str+="00"; pp=str.ToCharArray(); return pp; } string Zstr=str.Substring(0,s); if(Zstr=="0") Zstr=""; string Lstr=str.Substring(s+1,str.Length -s-1); Lstr=Lstr.PadRight(2,'0'); str=Zstr+Lstr; str=str.PadLeft(15,' '); pp=str.ToCharArray(); return pp; } /// <summary> /// 清理所有正在使用的资源。 /// </summary> protected override void Dispose( bool disposing ) { if( disposing ) { if(components != null) { components.Dispose(); } } base.Dispose( disposing ); } protected override void OnPaint(PaintEventArgs e) { base.OnPaint (e); drawLines(e); drawMoney(); } /// <summary> /// 绘制15根竖线及外框 /// </summary> /// <param name="e"></param> private void drawLines(PaintEventArgs e) { int i=0;int w=0; Graphics dc=e.Graphics ; i++;w=i*segment; dc.DrawLine(penS.BluePen ,new Point(w,0),new Point(w,H)); i++;w=i*segment; dc.DrawLine(penS.YellowPen ,new Point(w,0),new Point(w,H)); i++;w=i*segment; dc.DrawLine(penS.YellowPen ,new Point(w,0),new Point(w,H)); i++;w=i*segment; dc.DrawLine(penS.BluePen ,new Point(w,0),new Point(w,H)); i++;w=i*segment; dc.DrawLine(penS.YellowPen ,new Point(w,0),new Point(w,H)); i++;w=i*segment; dc.DrawLine(penS.YellowPen ,new Point(w,0),new Point(w,H)); i++;w=i*segment; dc.DrawLine(penS.BluePen ,new Point(w,0),new Point(w,H)); i++;w=i*segment; dc.DrawLine(penS.YellowPen ,new Point(w,0),new Point(w,H)); i++;w=i*segment; dc.DrawLine(penS.YellowPen ,new Point(w,0),new Point(w,H)); i++;w=i*segment; dc.DrawLine(penS.BluePen ,new Point(w,0),new Point(w,H)); i++;w=i*segment; dc.DrawLine(penS.YellowPen ,new Point(w,0),new Point(w,H)); i++;w=i*segment; dc.DrawLine(penS.YellowPen ,new Point(w,0),new Point(w,H)); i++;w=i*segment; dc.DrawLine(penS.RedPen ,new Point(w,0),new Point(w,H)); i++;w=i*segment; dc.DrawLine(penS.YellowPen ,new Point(w,0),new Point(w,H)); i++;w=i*segment; dc.DrawLine(penS.YellowPen ,new Point(w,0),new Point(w,H)); if(this.drawFram) dc.DrawRectangle(new Pen(Brushes.Black ,2),0,0,W,H); } /// <summary> /// 将money用图形绘制出来 /// </summary> /// <param name="e"></param> private void drawMoney() { Graphics dc=this.CreateGraphics(); Brush brush; if(this.zf) brush=Brushes.Black ; else brush=Brushes.Red ; if(this.BackColor==this.selectedColor) for(int p=0;p<15;p++) { dc.DrawString(numS[p].num.ToString(),new Font("Arial Black",8),brush ,new Rectangle(new Point(numS[p].point.X -1,numS[p].point.Y ),new Size(9,12)),StringFormat.GenericDefault ); } else for(int p=0;p<15;p++) { dc.DrawString(numS[p].num.ToString(),new Font("Arial",8),brush ,new Rectangle(numS[p].point,new Size(8,12)),StringFormat.GenericDefault ); } } #region 组件设计器生成的代码 /// <summary> /// 设计器支持所需的方法 - 不要使用代码编辑器 /// 修改此方法的内容。 /// </summary> private void InitializeComponent() { this.components = new System.ComponentModel.Container(); this.timer1 = new System.Windows.Forms.Timer(this.components); // // timer1 // this.timer1.Interval = 500; this.timer1.Tick += new System.EventHandler(this.timer1_Tick); // // MoneyControl // this.BackColor = System.Drawing.SystemColors.ActiveCaptionText; this.Name = "MoneyControl"; this.Size = new System.Drawing.Size(224, 150); this.Load += new System.EventHandler(this.MoneyControl_Load); this.Enter += new System.EventHandler(this.MoneyControl_Enter); this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.MoneyControl_KeyDown); this.Leave += new System.EventHandler(this.MoneyControl_Leave); this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.MoneyControl_MouseDown); } #endregion private void MoneyControl_Load(object sender, System.EventArgs e) { this.Width =W;this.Height =H; this.upIndex =12; } private void MoneyControl_BackColorChanged(object sender, System.EventArgs e) { if(this.BackColor==this.unSelectedColor ) timer1.Enabled =false; else timer1.Enabled =true; } private void timer1_Tick(object sender, System.EventArgs e) { this.show =!(this.show ); Graphics dc=this.CreateGraphics(); if(this.show ) dc.DrawLine(new Pen(Brushes.Black ,1),new Point(CurrentNum.point.X+2 ,CurrentNum.point.Y +12),new Point(CurrentNum.point.X +6,CurrentNum.point.Y +12)); else dc.DrawLine(new Pen(this.BackColor ,1),new Point(CurrentNum.point.X+2 ,CurrentNum.point.Y +12),new Point(CurrentNum.point.X +6,CurrentNum.point.Y +12)); } private void MoneyControl_Enter(object sender, System.EventArgs e) { this.BackColorChanged +=new EventHandler(MoneyControl_BackColorChanged); this.BackColor =this.selectedColor; if(this.moneyP==0m) { numS[12].num ='0';numS[13].num ='0';numS[14].num ='0'; } this.CurrentNum =this.numS[12]; } private void MoneyControl_Leave(object sender, System.EventArgs e) { this.BackColorChanged +=new EventHandler(MoneyControl_BackColorChanged); this.BackColor =this.unSelectedColor; if(this.moneyP==0m) { numS[12].num =' ';numS[13].num =' ';numS[14].num =' '; } } private void MoneyControl_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e) { Graphics dc=this.CreateGraphics(); int code=e.KeyValue ; int index=0;upIndex=this.CurrentNum.index ; dc.DrawLine(new Pen(Brushes.Black ,1),new Point(numS[upIndex].point.X+2 ,numS[upIndex].point.Y +12),new Point(numS[upIndex].point.X +6,numS[upIndex].point.Y +12)); Num temNum=new Num(); temNum=numS[upIndex]; switch(code) { case 33://向前移动光标 case 36: index=this.CurrentNum.index -1; if(index<0) { index=0; this.Parent.SelectNextControl(this,false,false,false,true); } this.CurrentNum=this.numS[index]; dc.DrawLine(new Pen(this.BackColor ,1),new Point(temNum.point.X+2 ,temNum.point.Y +12),new Point(temNum.point.X +6,temNum.point.Y +12)); dc.DrawLine(new Pen(Brushes.Black ,1),new Point(CurrentNum.point.X+2 ,CurrentNum.point.Y +12),new Point(CurrentNum.point.X +6,CurrentNum.point.Y +12)); break; case 34://向后移动光标 case 35: index=this.CurrentNum.index+1; if(index>14) { index=14; this.Parent.SelectNextControl(this,true,false,false,true); } this.CurrentNum =this.numS[index]; dc.DrawLine(new Pen(this.BackColor ,1),new Point(temNum.point.X+2 ,temNum.point.Y +12),new Point(temNum.point.X +6,temNum.point.Y +12)); dc.DrawLine(new Pen(Brushes.Black ,1),new Point(CurrentNum.point.X+2 ,CurrentNum.point.Y +12),new Point(CurrentNum.point.X +6,CurrentNum.point.Y +12)); break; case 13://按回车键 KeyEnter(); break; case 8://退格键 //case 46: if(this.readOnly ) return; backButton(false,-1); break; case 48://0--9数字键 case 49: case 50: case 51: case 52: case 53: case 54: case 55: case 56: case 57: case 96: case 97: case 98: case 99: case 100: case 101: case 102: case 103: case 104: case 105: { if(this.readOnly ) return; if(this.CurrentNum.index ==0) return; int num=0; if(code>=48 && code<=57) num=code-48; if(code>=96 && code<=105) num=code-96; this.backButton(true,num); } break; case 110://小数点 case 190: dc.DrawLine(new Pen(this.BackColor ,1),new Point(this.CurrentNum.point.X+2 ,this.CurrentNum.point.Y +12),new Point(this.CurrentNum.point.X +6,this.CurrentNum.point.Y +12)); this.CurrentNum=this.numS[13]; break; case 109://负号 case 189: if(this.readOnly ) return ; if(this.ZF ) this.ZF =false; break; case 107://正号 case 187: if(this.readOnly ) return ; if(!this.ZF) this.ZF =true; break; } } public virtual void KeyEnter() { this.Parent.SelectNextControl(this,true,false,false,true); } private void backButton(bool numORback,int num) { string temMoneyStr=this.moneyP.ToString(); StringBuilder Zstr=new StringBuilder(""); StringBuilder Lstr=new StringBuilder(""); int s=0; s=temMoneyStr.IndexOf("."); if(s==-1) { if(this.moneyP ==0m && numORback==false) return; else Zstr.Append(temMoneyStr); } else { Zstr.Append(temMoneyStr.Substring(0,s)); Lstr.Append(temMoneyStr.Substring(s+1,temMoneyStr.Length-s-1)); } if(Lstr.ToString()=="") Lstr.Append("00"); int b=0;string numStr=num.ToString(); if(this.CurrentNum.index >12)//小数部分 { b=14-this.CurrentNum.index +1; Lstr.Remove(Lstr.Length -b,1); if(numORback) { if(this.CurrentNum.index==13) { this.CurrentNum =this.numS[14]; this.upIndex =13; Lstr.Insert(0,num.ToString()); Graphics dc=this.CreateGraphics(); dc.DrawLine(new Pen(this.BackColor ,1),new Point(numS[13].point.X+2 ,numS[13].point.Y +12),new Point(numS[13].point.X +6,numS[13].point.Y +12)); } else { Lstr.Append(num.ToString()); } } string m=Lstr.ToString(); m=m.PadRight(2,'0'); Lstr.Replace(Lstr.ToString(),m); } else//整数部分 { b=12-this.CurrentNum.index +1; if(!numORback) { if(b>Zstr.Length ) { this.upIndex =this.CurrentNum.index ; this.CurrentNum=this.numS[13-Zstr.Length]; Graphics dc=this.CreateGraphics(); dc.DrawLine(new Pen(this.BackColor ,1),new Point(numS[this.upIndex].point.X+2 ,numS[this.upIndex].point.Y +12),new Point(numS[this.upIndex].point.X +6,numS[this.upIndex].point.Y +12)); return; } Zstr.Remove(Zstr.Length -b, 1); } else { if(Zstr.Length>=12) { MessageBox.Show("输入的数字最大或最小只能是+-999,999,999,999.99!"+"/n"+"当前数目为:"+this.MoneyZF.ToString()); return; } if(b>Zstr.Length) { numStr=numStr.PadRight(b-Zstr.Length,'0'); numStr=numStr+Zstr.ToString(); Zstr.Replace(Zstr.ToString(),numStr); } else { b=Zstr.Length-b+1; Zstr.Insert(b,num.ToString()); } } } if(Zstr.ToString()=="") Zstr.Append("0"); decimal money=this.moneyP ; try { money=Decimal.Parse(Zstr.ToString()+"."+Lstr.ToString()); } catch { MessageBox.Show("输入的数目太大,无法处理!当前数目为"+this.moneyP.ToString()); } this.Money =money; if(this.moneyP==0m) { numS[12].num ='0';numS[13].num ='0';numS[14].num ='0'; } this.UnDisplayMoney(); this.drawMoney(); } private void MoneyControl_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { if(e.Button ==MouseButtons.Left ) { this.upIndex =this.CurrentNum.index ; int i=(int)Math.Floor(e.X /8); this.CurrentNum =this.numS[i]; Graphics dc=this.CreateGraphics(); dc.DrawLine(new Pen(this.BackColor ,1),new Point(numS[this.upIndex].point.X+2 ,numS[this.upIndex].point.Y +12),new Point(numS[this.upIndex].point.X +6,numS[this.upIndex].point.Y +12)); dc.DrawLine(new Pen(Brushes.Black ,1),new Point(CurrentNum.point.X+2 ,CurrentNum.point.Y +12),new Point(CurrentNum.point.X +6,CurrentNum.point.Y +12)); } } private void UnDisplayMoney() { Graphics dc=this.CreateGraphics(); Brush solidBrush=new SolidBrush(this.BackColor); for(int i=0;i<15;i++) { dc.FillRectangle(solidBrush,numS[i].point.X+1,numS[i].point.Y ,7,12); } } /// <summary> /// 显示金额 /// </summary> public void DisplayMoney() { this.UnDisplayMoney(); this.drawMoney(); } //******************************************************** public string MoneyWz() { return MoneyToWz(this.MoneyZF ); } public static string MoneyToWz(decimal moneyT) { decimal tem=Math.Abs(moneyT); string fh=""; if(moneyT<0) fh="负"; string temStr=tem.ToString(); int s=temStr.IndexOf("."); string Zstr=""; string Lstr=""; if(s==-1) { Zstr=temStr; } else { Zstr=temStr.Substring(0,s); Lstr=temStr.Substring(s+1,temStr.Length -s-1); } string[] Quan={"","万","亿","兆"}; string[] WzP={"","拾","佰","仟"}; string[] Moneynum=new string[Zstr.Length]; if(Zstr.Length >12) { MessageBox.Show("数字太大,无法处理!"); return ""; } for(int i=0;i<Zstr.Length ;i++) { Moneynum[i]=Zstr[i].ToString(); } Array.Reverse(WzP); int result=0; int q=Math.DivRem(Moneynum.Length,4,out result); if(q>3) { MessageBox.Show("超出处理范围!"); return "超出处理范围!"; } OperStr obj=new OperStr(); string[] temYushou=new string[result]; string[] temWzP=new string[result]; Array.Copy(WzP,4-result,temWzP,0,result); Array.Copy(Moneynum,0,temYushou,0,result); for(int i=0;i<result ;i++) { OperStr temOb=new OperStr(temWzP[i],temYushou[i]); obj=obj+temOb; } if(obj.Tostring.Length >0) { if(obj.Tostring.Substring(obj.Tostring.Length-1,1)=="零") obj.Tostring=obj.Tostring.Remove(obj.Tostring.Length -1,1); obj.Tostring+=Quan[q]; } for(int j=0;j<q;j++) { string[] temMoneynum=new string[4]; Array.Copy(Moneynum,result+j*4,temMoneynum,0,4); StringBuilder temAll0=new StringBuilder(""); for(int i=0;i<4 ;i++) { OperStr temObj=new OperStr(WzP[i],temMoneynum[i]); temAll0.Append(temObj.Tostring); obj=obj+temObj; } if(temAll0.ToString()!="零零零零") { if(obj.Tostring.Substring(obj.Tostring.Length-1,1)=="零") obj.Tostring=obj.Tostring.Remove(obj.Tostring.Length -1,1); obj.Tostring+=Quan[q-j-1]; } } if(obj.Tostring.Length >1 && obj.Tostring.Substring(obj.Tostring.Length -1,1)=="零") obj.Tostring =obj.Tostring.Remove(obj.Tostring.Length-1,1); if(obj.Tostring =="") obj.Tostring ="零"; if(Lstr!="" && Lstr!="00") { obj.Tostring+="点"; OperStr temV=new OperStr(); for(int i=0;i<Lstr.Length ;i++) { obj.Tostring+=temV.TurnWz(Lstr[i].ToString()); } } obj.Tostring=fh+obj.Tostring; return obj.Tostring; } class OperStr { string num="0123456789"; string Num="零壹贰叁肆伍陆柒捌玖"; string strQuan="";string strNum=""; public string Tostring=""; public OperStr(string strquan,string strnum) { this.strQuan =strquan; int s=0; s=num.IndexOf(strnum); this.strNum =this.Num[s].ToString(); this.Tostring=this.SaveString(); } public OperStr() { } public string TurnWz(string numP) { int s=0; s=this.num.IndexOf(numP); return this.Num[s].ToString(); } private string SaveString() { string temStr=""; if(this.strNum =="零") { temStr="零"; } else { temStr=this.strNum +this.strQuan; } return temStr; } public static OperStr operator+ (OperStr str1,OperStr str2) { OperStr temOperStr=new OperStr(); if(str1.Tostring.Length ==0) return str2; string is0=str1.Tostring.Substring(str1.Tostring.Length-1,1); if(is0=="零" && str2.Tostring =="零") { temOperStr=str1; } else { temOperStr.Tostring =str1.Tostring+str2.Tostring; } return temOperStr; } } public string ReadMe { get { string temStr=@"作者:杨冬生Email [e-mail]地址:东至县|东至华源纺织公司控件名称:MoneyControl命名空间:PzControl用处 :将数字(类似金钱)显示在控件中,你可以输入输出并且可以将数字转换成文字!"; return temStr; } } }}本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/yds741200/archive/2005/03/24/329290.aspx