#include <Windows.h>

 #include <tchar.h>

 int WINAPI _tWinMain(HINSTANCE hInstance,

                      HINSTANCE hPrevInstance,

                      LPTSTR lpCmdLine,

                      int nCmdShow)

 {

     ShellExecute(NULL,_T("open"),_T("www.baidu.com"),NULL,NULL,SW_SHOWNORMAL);

     //打开百度

     ShellExecute(NULL,_T("open"),_T("D:\\1.txt"),NULL,NULL,SW_SHOWNORMAL);

     //打开目录

     ShellExecute(NULL,L"open", L"mailto:", NULL, NULL, SW_SHOWNORMAL);

     ShellExecute(NULL,_T("open"),_T("mailto:12345@qq.com"), NULL, NULL, SW_SHOWNORMAL);

     //打开邮箱

     return ;

 }