文章/文档

开发平台：
Visual C++

open officer by C.txt：源码内容
							#include <iostream.h>
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <string.h>
class Ar1         //算法1
{private:char ch;
 public:void en()
  {while(ch=getchar())  
   { if ((ch>='a'&&ch<='z')||(ch>='A'&&ch<='Z'))
        {ch=ch+7;        
      if(ch>'Z'&&ch<='Z'+7||ch>'z')
                  ch=ch-26;
      printf("%c",ch);  
           }
     else
      if(ch!='n')     
                 printf("%c",ch);
      else          
        break;
   }
  }
  void un()                                                            
        {while(ch=getchar())
   {if ((ch>='a'&&ch<='z')||(ch>='A'&&ch<='Z'))
        {ch=ch-7;        
      if(ch<'A'||ch>='a'-7&&ch<'a')
                  ch=ch+26; 
      printf("%c",ch);
           }
    else
      if(ch!='n')
                 printf("%c",ch);
      else 
        break;
   }
  }
};
class Ar2         //算法2                                                                            
{private:int i,j,k;
         char ch;
   char A[26][3];
 public:void en()                                                           
        {char A[26][3]={"Ww","Yy","Hh","Dd","Aa",
  "Oo","Ff","Uu","Ii","Mm","Ee","Rr","Vv",
  "Ll","Gg","Zz","Bb","Tt","Cc","Jj","Nn",
  "Ss","Pp","Kk","Xx","Qq"};  
   while(ch=getchar())
   if((ch>='a'&&ch<='z')||(ch>='A'&&ch<='Z'))
   {for(j=0;j<2;j++)
       for(i=0;i<26;i++)
             {  if(ch==A[i][j])   
        { k=(i+5)%26;    
          ch=A[k][j];    
       printf("%c",ch);
       break;
     }
             }
   }
   else
      if(ch!='n')        
                 printf("%c",ch);   
      else             
        break;
  }
  void un()                                                            
       
          { char A[26][3]={"Jj","Mm","Zz","Dd","Aa",
  "Oo","Gg","Uu","Ee","Yy","Ii","Rr","Vv",
  "Ll","Ff","Xx","Bb","Tt","Cc","Ww","Nn",
  "Ss","Pp","Kk","Hh","Qq"};    
   while(ch=getchar())
   if((ch>='a'&&ch<='z')||(ch>='A'&&ch<='Z'))
   {for(j=0;j<2;j++)
       for(i=0;i<26;i++)
             {  if(ch==A[i][j])
         {i=(i+26-5)%26;   
          ch=A[i][j];
       printf("%c",ch);
       break;
      }
             }
   }
   else
      if(ch!='n')
                 printf("%c",ch); 
      else           
        break;
  }
};
class Ar3         //算法3                                                            
{private:char A[200];       
         char a[100][5];     
         char ch;
         int i,j,k,n,m;
 public:void en()                                                           
  { k=0;m=0;
    while((ch=getchar())!='n')
             { A[k]=ch;      
         k++;
       }
    if(k%5!=0)      
       n=k/5+1;    
    else
    n=k/5;  
     for(i=0;i<n;i++)    
     { for(j=0;j<5;j++)
     {a[i][j]=A[m];
      m++;
      if(m>k)   
       a[i][j]=' ';
      }
     }
     for(i=0;i<n/2;i++)    
     { for(j=0;j<5;j++)     
              { ch=a[i][j];
       a[i][j]=a[n-1-i][j];
                a[n-1-i][j]=ch;
     }
     }
     for(i=0;i<n;i++)    
     { for(j=0;j<5;j++)
       cout<<a[i][j];
     }
  }     
  void un()                                                           
  { k=0;m=0;
    while((ch=getchar())!='n')
             { A[k]=ch;       
         k++;
       }
     n=k/5;           
     for(i=0;i<n;i++)
     { for(j=0;j<5;j++)
     {a[i][j]=A[m];
      m++;
      if(m>k)
       a[i][j]=' ';
      }
     }
     for(i=0;i<n/2;i++)     
     { for(j=0;j<5;j++)
              { ch=a[i][j];
       a[i][j]=a[n-1-i][j];
                a[n-1-i][j]=ch;
     }
     }
     for(i=0;i<n;i++)    
     { for(j=0;j<5;j++)
       cout<<a[i][j];
     }
  }
};
class Ar4         //算法4                                                                            
{private:char A[200];
         char a[100][5];
         char ch;
         int i,j,k,n,m;
 public:                                                                        
     void en()  
  { k=0;m=0;
    while((ch=getchar())!='n')
             { A[k]=ch;
         k++;
       }
    if(k%5!=0)
       n=k/5+1;     
    else
    n=k/5;  
     for(i=0;i<n;i++)    
     { for(j=0;j<5;j++)
     {a[i][j]=A[m];
      m++;
      if(m>k)
       a[i][j]=' ';
      }
     }
     for(i=0;i<n;i++)     
     {   ch=a[i][1];
      a[i][1]=a[i][2];
               a[i][2]=ch;
      ch=a[i][3];
      a[i][3]=a[i][4];
               a[i][4]=ch;
     }
     for(i=0;i<n;i++)  
     { for(j=0;j<5;j++)
       cout<<a[i][j];
     }
  }     
  void un()                                                           
  { k=0;m=0;
    while((ch=getchar())!='n')
             { A[k]=ch;
         k++;
       }
     n=k/5+1;           
     for(i=0;i<n;i++)
     { for(j=0;j<5;j++)
     {a[i][j]=A[m];
      m++;
      if(m>k)
       a[i][j]=' ';
      }
     }
     for(i=0;i<n;i++)   
     {   ch=a[i][1];
      a[i][1]=a[i][2];
               a[i][2]=ch;
      ch=a[i][3];
      a[i][3]=a[i][4];
               a[i][4]=ch;
     }
     for(i=0;i<n;i++)       
     { for(j=0;j<5;j++)
       cout<<a[i][j];
     }
  }
};class Va
{private:int i;
   char pa[4];
 public:void sr()
       {char x='*';  
  for(int ii=1;ii<4;ii++)  
  {for(i=0;i<5;i++)     
    { pa[i]=getch();     
            putchar(x);       
    }
   cout<<'n';
         if(pa[0]=='y'&&pa[1]=='u'&&pa[2]=='a'&&pa[3]=='n')
   {cout<<"登陆成功!"<<endl;
    cout<<"欢迎您的使用!"<<endl;
    cout<<"________________________________________________________________________________"<<endl;
    cout<<"请输入需要使用的算法(Arithmetic：1/2/3/4)"<<endl;
    break; 
      }
   else
            {if(ii==3)
    {cout<<"您是非法用户!按任意键退出程序。a"<<endl;
     cout<<"________________________________________________________________________________"<<endl;
     exit(0);
    }  
    else
     cout<<"________________________________________________________________________________"<<endl;
        cout<<"登陆口令输入错误!请重新输入:"<<endl;
        cout<<"剩余限制次数："<<3-ii<<"次"<<endl;
    }
  }
    } 
};
void main()
{int a,b;
 cout<<"ttt Visual C++语言基础课程设计  "<<endl;
 cout<<"nnn";
 cout<<"请输入登陆口令:"<<endl;
  Va us;
 us.sr();
 cout<<"使用算法:";
 cin>>a;
 cout<<"________________________________________________________________________________"<<endl;
 switch(a)
{case 1:Ar1 us1;
   cout<<"需要加密还是解密(加密1/解密2)"<<endl;
         cout<<"需要:";
   cin>>a;
   cout<<"________________________________________________________________________________"<<endl;
   cout<<"加密解密说明:"<<endl;
   cout<<"本程序只对英文大小写字母加密解密,数字及符号忽略不加密解密."<<endl;
   cout<<"________________________________________________________________________________"<<endl;
   cout<<"请输入文字:"<<endl;
   switch(a)
   {case 1:us1.en();
     cout<<endl;
     cout<<"________________________________________________________________________________"<<endl;
                 cout<<"是否需要解密(1是/2否)"<<endl;
     cout<<"选择:";
                 cin>>b;
     cout<<"________________________________________________________________________________"<<endl;
           if(b==1)
     {cout<<"请输入文字:"<<endl;
            us1.un();
      cout<<endl;
     }
           else
                   break;
          case 2:us1.un();
     cout<<"________________________________________________________________________________"<<endl;
   }
   cout<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n';
   cout<<"ttt     程序结束,谢谢使用!"<<endl;
   break;
 case 2:Ar2 us2;   
   cout<<"需要加密还是解密(加密1/解密2)"<<endl;
         cout<<"需要:";
   cin>>a;
   cout<<"________________________________________________________________________________"<<endl;
   cout<<"加密解密说明:"<<endl;
   cout<<"本程序只对英文大小写字母加密解密,数字及符号忽略不加密解密."<<endl;
   cout<<"________________________________________________________________________________"<<endl;
   cout<<"请输入文字:"<<endl;
         switch(a)
   {case 1:us2.en();
                 cout<<endl;
     cout<<"________________________________________________________________________________"<<endl;
                 cout<<"是否需要解密(1是/2否)"<<endl;
     cout<<"选择:";
                 cin>>b;
     cout<<"________________________________________________________________________________"<<endl;
           if(b==1)
     {cout<<"请输入文字:"<<endl;
             us2.un();
       cout<<endl;
     }
           else
                   break;
          case 2:us2.un();
     cout<<"________________________________________________________________________________"<<endl;
   }
   cout<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n';
   cout<<"ttt     程序结束,谢谢使用!"<<endl;
   break;
 case 3:Ar3 us3;    
   cout<<"需要加密还是解密(加密1/解密2)"<<endl;
         cout<<"需要:";
   cin>>a;
   cout<<"________________________________________________________________________________"<<endl;
   cout<<"加密解密说明:"<<endl;
   cout<<"本程序只对英文大小写字母加密解密,数字及符号忽略不加密解密."<<endl;
   cout<<"________________________________________________________________________________"<<endl;
   cout<<"请输入文字:"<<endl;
         switch(a)
   {case 1:us3.en();
                 cout<<endl;
     cout<<"________________________________________________________________________________"<<endl;
                 cout<<"是否需要解密(1是/2否)"<<endl;
     cout<<"选择:";
                 cin>>b;
     cout<<"________________________________________________________________________________"<<endl;
           if(b==1)
     {cout<<"请输入文字:"<<endl;
             us3.un();
       cout<<endl;
     }
           else
                   break;
          case 2:us3.un();
     cout<<"________________________________________________________________________________"<<endl;
   }
   cout<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n';
   cout<<"ttt     程序结束,谢谢使用!"<<endl;
   break;
 case 4:Ar4 us4;       
   cout<<"需要加密还是解密(加密1/解密2)"<<endl;
         cout<<"需要:";
   cin>>a;
   cout<<"________________________________________________________________________________"<<endl;
   cout<<"加密解密说明:"<<endl;
   cout<<"本程序只对英文大小写字母加密解密,数字及符号忽略不加密解密."<<endl;
   cout<<"________________________________________________________________________________"<<endl;
   cout<<"请输入文字:"<<endl;
         switch(a)
   {case 1:us4.en();
                 cout<<endl;
     cout<<"________________________________________________________________________________"<<endl;
                 cout<<"是否需要解密(1是/2否)"<<endl;
     cout<<"选择:";
                 cin>>b;
     cout<<"________________________________________________________________________________"<<endl;
           if(b==1)
     {cout<<"请输入文字:"<<endl;
             us4.un();
       cout<<endl;
     }
           else
                   break;
          case 2:us4.un();
        cout<<"________________________________________________________________________________"<<endl;
   }
   cout<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n'<<'n';
   cout<<"ttt     程序结束,谢谢使用!"<<endl;
   break;
 }
} 

						