结对编程项目---四则运算

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using caculate.math.Biz;

namespace 四则运算
{
public partial class Form1 : Form
{
//加减运算
private String[] strs1 = new String[] { "+", "-", };
private Random r10 = new Random();
//乘除运算
private String[] strs2 = new String[] { "*","/"};
private Random r11 = new Random();
//混合运算
private String[] strs3 = new String[] { "+","-","*", "/" };
private Random r12 = new Random();
public Form1()
{
InitializeComponent();
}
private string GetOperationString(Operation operation)
{
switch (operation)
{
case Operation.Add:
return "+";
case Operation.Minus:
return "-";
case Operation.Multiply:
return "×";
case Operation.Divide:
return "÷";
}
return "+";
}
private TextBox GetTextBox(int index, int num)
{


foreach (Control col in this.Controls)
{
if (col.Name == "txtNUM" + index + num)
{
return (TextBox)col;
}

}
return null;
int main()
{
int count=0 ;
srand(time(NULL));//用系统当前时间设置rand()随机序列种子，保证每次运行随机序列不一样 
char ch;
while(count<30)
{
cout<<"选择做整数运算（输入‘a‘）或真分数运算（输入‘b‘）"<<endl;
//产生整数的运算
cin>>ch;
if(ch==‘a‘)
{cout<<"开始产生四则运算："<<endl;
int shu1=0,shu2=0;
//随机数产生0-100
//shu1=srand(1000);


shu1=0+rand()%100;
shu2=0+rand()%100;

int sum=0;
int fushu=0;
string fuhao[4]={"+","-","*","/"};
fushu=((0+rand()%4)+4)%4;
//cout<<fushu<<endl;

//判断shu2是否为0和是否为除法 若为则重新生成
while(shu2==0&fushu==3)
{
shu2=0+rand()%100;
}
//随机产生的符号
switch(fushu)
{
case 0:cout<<shu1<<fuhao[fushu]<<shu2<<endl;break;
case 1:cout<<shu1<<fuhao[fushu]<<shu2<<endl;break;
case 2:cout<<shu1<<fuhao[fushu]<<shu2<<endl;break;
case 3:cout<<shu1<<fuhao[fushu]<<shu2<<endl;break;
}
}

//产生真分数的运算
if(ch==‘b‘)
{
int zhenfens1_m=0,zhenfens1_z=0,zhenfens2_m=0,zhenfens2_z=0;

zhenfens1_m=0+rand()%100;
zhenfens1_z=0+rand()%100;

//判断产生的真分数正确性
while(zhenfens1_m<zhenfens1_z)
{
zhenfens1_m=0+rand()%100;
zhenfens1_z=0+rand()%100;
}

zhenfens2_m=0+rand()%100;
zhenfens2_z=0+rand()%100;

//判断产生的真分数正确性
while(zhenfens2_m<zhenfens2_z)
{
zhenfens2_m=0+rand()%100;
zhenfens2_z=0+rand()%100;
}

string fuhao[4]={"+","-","*","/"};
int fushu=((0+rand()%4)+4)%4;
//cout<<fushu<<endl;

//判断shu2是否为0和是否为除法 若为则重新生成
//随机产生的符号
switch(fushu)
{
case 0:cout<<"("<<zhenfens1_z<<"/"<<zhenfens1_m<<")"<<fuhao[fushu]<<"("<<zhenfens2_z<<"/"<<zhenfens2_m<<")"<<endl;break;
case 1:cout<<"("<<zhenfens1_z<<"/"<<zhenfens1_m<<")"<<fuhao[fushu]<<"("<<zhenfens2_z<<"/"<<zhenfens2_m<<")"<<endl;break;
case 2:cout<<"("<<zhenfens1_z<<"/"<<zhenfens1_m<<")"<<fuhao[fushu]<<"("<<zhenfens2_z<<"/"<<zhenfens2_m<<")"<<endl;break;
case 3:cout<<"("<<zhenfens1_z<<"/"<<zhenfens1_m<<")"<<fuhao[fushu]<<"("<<zhenfens2_z<<"/"<<zhenfens2_m<<")"<<endl;break;
}

}
count++;
}
}