在visual studio环境下用C#实现一个简单计算器.docx

在visual studio环境下用C#实现一个简单计算器.docx

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在visualstudio环境下用C#实现一个简单计算器

在visualstudio环境下用C#实现一个简单计算器

resource部分的代码：

//程序功能：

实现一个简单的计算器

usingSystem;

usingSystem.Collections.Generic;

usingSystem.ComponentModel;

usingSystem.Data;

usingSystem.Drawing;

usingSystem.Linq;

usingSystem.Text;

usingSystem.Windows.Forms;

namespacejisuanqi

{

publicpartialclassForm1:

Form

{

publicForm1（）

{

InitializeComponent（）;

}

//上一次值

}

//不相连

else

{

//直接显示按下的数字

txtShow.Text=strNum;

//设置连接标志为true，将后边所按下的数字进行连接

bAppend=true;

}

}

//“清除”按钮，将所有的信息清空

privatevoidbtn_clear_Click（objectsender,EventArgse）

{

txtShow.Text="";

bAppend=true;

iPrevValue=0;

//操作符

strPrevOpt="";

}

//操作符

privatevoidOpt_Click（objectsender,System.EventArgse）

{

//如果显示不为空

if（txtShow.Text!

=""）

{

//得到当前显示的值

intiCurValue=int.Parse（txtShow.Text）;

//判断上次按下的操作符

switch（strPrevOpt）

{

case"+":

iCurValue+=iPrevValue;

break;

case"-":

iCurValue=iPrevValue-iCurValue;

break;

case"*":

iCurValue*=iPrevValue;

break;

case"/":

iCurValue=iPrevValue/iCurValue;

break;

default:

break;

}

//取得上次按下的操做符

strPrevOpt=（（Button）sender）.Text;

//设置为按下的数字不和上次进行连接

bAppend=false;

//显示值

txtShow.Text=iCurValue.ToString（）;

//上次的值等于当前值

iPrevValue=iCurValue;

}

}

}

}

Design部分的代码：

namespacejisuanqi

{

partialclassForm1

{

///

privateSystem.ComponentModel.IContainercomponents=null;

///

///如果应释放托管资源，为true；否则为false。

protectedoverridevoidDispose（booldisposing）

{

if（disposing&&（components!

=null））

{

components.Dispose（）;

}

base.Dispose（disposing）;

}

#regionWindows窗体设计器生成的代码

///

privatevoidInitializeComponent（）

{

this.button1=newSystem.Windows.Forms.Button（）;

this.txtShow=newSystem.Windows.Forms.TextBox（）;

this.button2=newSystem.Windows.Forms.Button（）;

this.button3=newSystem.Windows.Forms.Button（）;

this.button4=newSystem.Windows.Forms.Button（）;

this.button5=newSystem.Windows.Forms.Button（）;

this.button6=newSystem.Windows.Forms.Button（）;

this.button7=newSystem.Windows.Forms.Button（）;

this.button8=newSystem.Windows.Forms.Button（）;

this.button9=newSystem.Windows.Forms.Button（）;

this.button10=newSystem.Windows.Forms.Button（）;

this.button11=newSystem.Windows.Forms.Button（）;

this.button12=newSystem.Windows.Forms.Button（）;

this.button13=newSystem.Windows.Forms.Button（）;

this.button14=newSystem.Windows.Forms.Button（）;

this.button15=newSystem.Windows.Forms.Button（）;

this.button16=newSystem.Windows.Forms.Button（）;

this.SuspendLayout（）;

//

//button1

//

this.button1.Location=newSystem.Drawing.Point（27,49）;

this.button1.Name="button1";

this.button1.Size=newSystem.Drawing.Size（46,23）;

this.button1.TabIndex=0;

this.button1.Text="1";

this.button1.UseVisualStyleBackColor=true;

this.button1.Click+=newSystem.EventHandler（this.Num_Click）;

//

//txtShow

//

this.txtShow.Location=newSystem.Drawing.Point（27,12）;

this.txtShow.Name="txtShow";

this.txtShow.Size=newSystem.Drawing.Size（234,21）;

this.txtShow.TabIndex=1;

//

//button2

//

this.button2.Location=newSystem.Drawing.Point（88,49）;

this.button2.Name="button2";

this.button2.Size=newSystem.Drawing.Size（45,23）;

this.button2.TabIndex=2;

this.button2.Text="2";

this.button2.UseVisualStyleBackColor=true;

this.button2.Click+=newSystem.EventHandler（this.Num_Click）;

//

//button3

//

this.button3.Location=newSystem.Drawing.Point（153,49）;

this.button3.Name="button3";

this.button3.Size=newSystem.Drawing.Size（47,23）;

this.button3.TabIndex=3;

this.button3.Text="3";

this.button3.UseVisualStyleBackColor=true;

this.button3.Click+=newSystem.EventHandler（this.Num_Click）;

//

//button4

//

this.button4.Location=newSystem.Drawing.Point（215,49）;

this.button4.Name="button4";

this.button4.Size=newSystem.Drawing.Size（46,23）;

this.button4.TabIndex=4;

this.button4.Text="Clear";

this.button4.UseVisualStyleBackColor=true;

this.button4.Click+=newSystem.EventHandler（this.btn_clear_Click）;

//

//button5

//

this.button5.Location=newSystem.Drawing.Point（27,93）;

this.button5.Name="button5";

this.button5.Size=newSystem.Drawing.Size（46,23）;

this.button5.TabIndex=5;

this.button5.Text="4";

this.button5.UseVisualStyleBackColor=true;

this.button5.Click+=newSystem.EventHandler（this.Num_Click）;

//

//button6

//

this.button6.Location=newSystem.Drawing.Point（88,93）;

this.button6.Name="button6";

this.button6.Size=newSystem.Drawing.Size（45,23）;

this.button6.TabIndex=6;

this.button6.Text="5";

this.button6.UseVisualStyleBackColor=true;

this.button6.Click+=newSystem.EventHandler（this.Num_Click）;

//

//button7

//

this.button7.Location=newSystem.Drawing.Point（153,93）;

this.button7.Name="button7";

this.button7.Size=newSystem.Drawing.Size（47,23）;

this.button7.TabIndex=7;

this.button7.Text="6";

this.button7.UseVisualStyleBackColor=true;

this.button7.Click+=newSystem.EventHandler（this.Num_Click）;

//

//button8

//

this.button8.Location=newSystem.Drawing.Point（215,92）;

this.button8.Name="button8";

this.button8.Size=newSystem.Drawing.Size（46,23）;

this.button8.TabIndex=8;

this.button8.Text="/";

this.button8.UseVisualStyleBackColor=true;

this.button8.Click+=newSystem.EventHandler（this.Opt_Click）;

//

//button9

//

this.button9.Location=newSystem.Drawing.Point（27,133）;

this.button9.Name="button9";

this.button9.Size=newSystem.Drawing.Size（46,23）;

this.button9.TabIndex=9;

this.button9.Text="7";

this.button9.UseVisualStyleBackColor=true;

this.button9.Click+=newSystem.EventHandler（this.Num_Click）;

//

//button10

//

this.button10.Location=newSystem.Drawing.Point（88,133）;

this.button10.Name="button10";

this.button10.Size=newSystem.Drawing.Size（44,23）;

this.button10.TabIndex=10;

this.button10.Text="8";

this.button10.UseVisualStyleBackColor=true;

this.button10.Click+=newSystem.EventHandler（this.Num_Click）;

//

//button11

//

this.button11.Location=newSystem.Drawing.Point（154,133）;

this.button11.Name="button11";

this.button11.Size=newSystem.Drawing.Size（46,23）;

this.button11.TabIndex=11;

this.button11.Text="9";

this.button11.UseVisualStyleBackColor=true;

this.button11.Click+=newSystem.EventHandler（this.Num_Click）;

//

//button12

//

this.button12.Location=newSystem.Drawing.Point（216,133）;

this.button12.Name="button12";

this.button12.Size=newSystem.Drawing.Size（45,23）;

this.button12.TabIndex=12;

this.button12.Text="*";

this.button12.UseVisualStyleBackColor=true;

this.button12.Click+=newSystem.EventHandler（this.Opt_Click）;

//

//button13

//

this.button13.Location=newSystem.Drawing.Point（27,177）;

this.button13.Name="button13";

this.button13.Size=newSystem.Drawing.Size（46,23）;

this.button13.TabIndex=13;

this.button13.Text="0";

this.button13.UseVisualStyleBackColor=true;

this.button13.Click+=newSystem.EventHandler（this.Num_Click）;

//

//button14

//

this.button14.Location=newSystem.Drawing.Point（87,177）;

this.button14.Name="button14";

this.button14.Size=newSystem.Drawing.Size（45,23）;

this.button14.TabIndex=14;

this.button14.Text="=";

this.button14.UseVisualStyleBackColor=true;

this.button14.Click+=newSystem.EventHandler（this.Opt_Click）;

//

//button15

//

this.button15.Location=newSystem.Drawing.Point（153,177）;

this.button15.Name="button15";

this.button15.Size=newSystem.Drawing.Size（46,23）;

this.button15.TabIndex=15;

this.button15.Text="+";

this.button15.UseVisualStyleBackColor=true;

this.button15.Click+=newSystem.EventHandler（this.Opt_Click）;

//

//button16

//

this.button16.Location=newSystem.Drawing.Point（215,177）;

this.button16.Name="button16";

this.button16.Size=newSystem.Drawing.Size（45,23）;

this.button16.TabIndex=16;

this.button16.Text="-";

this.button16.UseVisualStyleBackColor=true;

this.button16.Click+=newSystem.EventHandler（this.Opt_Click）;

//

//Form1

//

this.AutoScaleDimensions=newSystem.Drawing.SizeF（6F,12F）;

this.AutoScaleMode=System.Windows.Forms.AutoScaleMode.Font;

this.ClientSize=newSystem.Drawing.Size（284,240）;

this.Controls.Add（this.button16）;

this.Controls.Add（this.button15）;

this.Controls.Add（this.button14）;

this.Controls.Add（this.button13）;

this.Controls.Add（this.button12）;

this.Controls.Add（this.button11）;

this.Controls.Add（this.button10）;

this.Controls.Add（this.button9）;

this.Controls.Add（this.button8）;

this.Controls.Add（this.button7）;

this.Controls.Add（this.button6）;

this.Controls.Add（this.button5）;

this.Controls.Add（this.button4）;

this.Controls.Add（this.button3）;

this.Controls.Add（this.button2）;

this.Controls.Add（this.txtShow）;

this.Controls.Add（this.button1）;

this.Name="Form1";

this.Text="一个简单的计算器";

this.ResumeLayout（false）;

this.PerformLayout（）;

}

#endregion

privateSystem.Windows.Forms.Buttonbutton1;

privateSystem.Windows.Forms.TextBoxtxtShow;

privateSystem.Windows.Forms.Buttonbutton2;

privateSystem.Windows.Forms.Buttonbutton3;

privateSystem.Windows.Forms.Buttonbutton4;

privateSystem.Windows.Forms.Buttonbutton5;

privateSystem.Windows.Forms.Buttonbutton6;

privateSystem.Windows.Forms.Buttonbutton7;

privateSystem.Windows.Forms.Buttonbutton8;

privateSystem.Windows.F