如何在delphi中直接调用exe文件呢？？那位大虾能给于解决奉送100分(100分)

最简单的用WINEXEC。
最好用以下我自己写的函数：
procedure TDataModul.WinExecAndWait32(Title,FileName:String;
Visibility : integer);
var
zAppName:array[0..512] of char;
zCurDir:array[0..255] of char;
WorkDir:String;
StartupInfo:TStartupInfo;
ProcessInfo:TProcessInformation;
//dwExitcodeWORD;
//lpExitCode:LPDWORD;
begin
StrPCopy(zAppName,FileName);
GetDir(0,WorkDir);
StrPCopy(zCurDir,WorkDir);
FillChar(StartupInfo,Sizeof(StartupInfo),#0);
StartupInfo.cb := Sizeof(StartupInfo);
StartupInfo.lpTitle:=pchar(Title);
StartupInfo.dwFlags := STARTF_USESHOWWINDOW;
StartupInfo.wShowWindow := Visibility;
if not CreateProcess(nil,
zAppName, { pointer to command line string }
nil, { pointer to process security attributes }
nil, { pointer to thread security attributes }
false, { handle inheritance flag }
CREATE_NEW_CONSOLE or { creation flags }
NORMAL_PRIORITY_CLASS,
nil, { pointer to new environment block }
nil, { pointer to current directory name }
StartupInfo, { pointer to STARTUPINFO }
ProcessInfo) { pointer to PROCESS_INF }
then
Application.MessageBox('程序执行错误！','提示',MB_OK+MB_ICONINFORMATION)
else
begin
WaitforSingleObject(ProcessInfo.hProcess,INFINITE);
//lpExitCode:=@dwExitCode;
//GetExitCodeProcess(ProcessInfo.hProcess,lpExitCode);
end;
end;

function ExecuteFile(const FileName, Params, DefaultDir: string;
ShowCmd: Integer): THandle;
var
zFileName, zParams, zDir: array[0..79] of Char;
begin
Result := ShellExecute(Application.MainForm.Handle, nil,
StrPCopy(zFileName, FileName), StrPCopy(zParams, Params),
StrPCopy(zDir, DefaultDir), ShowCmd);
end;

使用方法:
try
ExecuteFile(ExtractFilePath(Application.ExeName) + 'xxx.exe', '',
'', SW_SHOW);
except
Application.MessageBox('文件xxx.exe没找到!', '注意', MB_ICONERROR +
MB_OK);
end;

WINexec(pchar(文件名),sw_show);

UINT WinExec(
LPCSTR lpCmdLine, // address of command line
UINT uCmdShow // window style for new application
);

Parameters
lpCmdLine
Points to a null-terminated character string that contains the command line (filename plus optional parameters) for the application to be executed. If the name of the executable file in the lpCmdLine parameterdo
es not contain a directory path, Windows searches for the executable file in this sequence:
1. The directory from which the application loaded.
2. The current directory.
3. The Windows system directory. The GetSystemDirectory function retrieves the path of this directory.
4. The Windows directory. The GetWindowsDirectory function retrieves the path of this directory.
5. The directories listed in the PATH environment variable.

uCmdShow
Specifies how a Windows-based application window is to be shown and is used to supply the wShowWindow member of the STARTUPINFO parameter to the CreateProcess function. For a list of the acceptable values, see the description of the nCmdShow parameter of the ShowWindow function. For a non-Windows - based application, the PIF file, if any, for the application determines the window state.

Return Values
If the function succeeds, the return value is greater than 31.
If the function fails, the return value is one of the following error values:
Value Meaning
0 The system is out of memory or resources.
ERROR_BAD_FORMAT The .EXE file is invalid (non-Win32 .EXE or error in .EXE image).
ERROR_FILE_NOT_FOUND The specified file was not found.
ERROR_PATH_NOT_FOUND The specified path was not found.

Remarks
Win32-based applications should use the CreateProcess function rather than this function. The WinExec function exists in Win32 to provide compatibility with earlier versions of Windows. For more information about how the WinExec function is implemented, see the Remarks section of the LoadModule function.
In Win32, the WinExec function returns when the started process calls the GetMessage function or a time-out limit is reached. To avoid waiting for the time out delay, call the GetMessage function as soon as possible in any process started by a call to WinExec. HINSTANCE ShellExecute(
HWND hwnd, // handle to parent window
LPCTSTR lpOperation, // pointer to string that specifies operation to perform
LPCTSTR lpFile, // pointer to filename or folder name string
LPCTSTR lpParameters, // pointer to string that specifies executable-file parameters
LPCTSTR lpDirectory, // pointer to string that specifies default directory
INT nShowCmd // whether file is shown when opened
);
Parameters
hwnd
Specifies a parent window. This window receives any message boxes that an application produces. For example, an application may report an error by producing a message box.
lpOperation
Pointer to a null-terminated string that specifies the operation to perform. The following operation strings are valid:
String Meaning
"open" The function opens the file specified by lpFile. The file can be an executable file or ado
cument file. The file can be a folder to open.
"print" The function prints the file specified by lpFile. The file should be ado
cument file. If the file is an executable file, the function opens the file, as if "open" had been specified.
"explore" The function explores the folder specified by lpFile.

The lpOperation parameter can be NULL. In that case, the function opens the file specified by lpFile.
lpFile
Pointer to a null-terminated string that specifies the file to open or print or the folder to open or explore. The function can open an executable file or ado
cument file. The function can print ado
cument file.
lpParameters
If lpFile specifies an executable file, lpParameters is a pointer to a null-terminated string that specifies parameters to be passed to the application.
If lpFile specifies ado
cument file, lpParameters should be NULL.
lpDirectory
Pointer to a null-terminated string that specifies the default directory.
nShowCmd
If lpFile specifies an executable file, nShowCmd specifies how the application is to be shown when it is opened. This parameter can be one of the following values:
Value Meaning
SW_HIDE Hides the window and activates another window.
SW_MAXIMIZE Maximizes the specified window.
SW_MINIMIZE Minimizes the specified window and activates the next top-level window in the Z order.
SW_RESTORE Activates and displays the window. If the window is minimized or maximized, Windows restores it to its original size and position. An application should specify this flag when restoring a minimized window.
SW_SHOW Activates the window and displays it in its current size and position.
SW_SHOWDEFAULT Sets the show state based on the SW_ flag specified in the STARTUPINFO structure passed to the CreateProcess function by the program that started the application. An application should call ShowWindow with this flag to set the initial show state of its main window.
SW_SHOWMAXIMIZED Activates the window and displays it as a maximized window.
SW_SHOWMINIMIZED Activates the window and displays it as a minimized window.
SW_SHOWMINNOACTIVE Displays the window as a minimized window. The active window remains active.
SW_SHOWNA Displays the window in its current state. The active window remains active.
SW_SHOWNOACTIVATE Displays a window in its most recent size and position. The active window remains active.
SW_SHOWNORMAL Activates and displays a window. If the window is minimized or maximized, Windows restores it to its original size and position. An application should specify this flag when displaying the window for the first time.

If lpFile specifies ado
cument file, nShowCmd should be zero.

Return Values
If the function succeeds, the return value is the instance handle of the application that was run, or the handle of a dynamic data exchange (DDE) server application.
If the function fails, the return value is an error value that is less than or equal to 32. The following table lists these error values:
Value Meaning
0 The operating system is out of memory or resources.
ERROR_FILE_NOT_FOUND The specified file was not found.
ERROR_PATH_NOT_FOUND The specified path was not found.
ERROR_BAD_FORMAT The .EXE file is invalid (non-Win32 .EXE or error in .EXE image).
SE_ERR_ACCESSDENIED The operating system denied access to the specified file.
SE_ERR_ASSOCINCOMPLETE The filename association is incomplete or invalid.
SE_ERR_DDEBUSY The DDE transaction could not be completed because other DDE transactions were being processed.
SE_ERR_DDEFAIL The DDE transaction failed.
SE_ERR_DDETIMEOUT The DDE transaction could not be completed because the request timed out.
SE_ERR_DLLNOTFOUND The specified dynamic-link library was not found.
SE_ERR_FNF The specified file was not found.
SE_ERR_NOASSOC There is no application associated with the given filename extension.
SE_ERR_OOM There was not enough memory to complete the operation.
SE_ERR_PNF The specified path was not found.
SE_ERR_SHARE A sharing violation occurred.

Remarks
The file specified by the lpFile parameter can be ado
cument file or an executable file. If the file is ado
cument file, the ShellExecute function opens or prints it, depending on the value of the lpOperation parameter. If the file is an executable file, the ShellExecute function opens it, even if lpOperation specifies printing.
You can use ShellExecute to open or explore a shell folder. To open a folder, use either of the following calls:
ShellExecute(handle, NULL, path_to_folder, NULL, NULL, SW_SHOWNORMAL);
or

ShellExecute(handle, "open", path_to_folder, NULL, NULL, SW_SHOWNORMAL);

To explore a folder, use the following call:
ShellExecute(handle, "explore", path_to_folder, NULL, NULL, SW_SHOWNORMAL);

If lpOperation is NULL, the function opens the file specified by lpFile. If lpOperation is "open" or "explore", the function will force an open window or explorer.

一两句就能写清的问题干嘛写这么多！

就，搞得神乎其神的。比如运行记事本；
winexec(Pchar('notepad.exe'), SW_SHOW);

WINEXEC
CreateProcess
ShellExecute
用法以上几位的足够了

就是！
用 WinExec 或 ShellExecute 两个 API 可搞定(注意大小写不能错)

多人接受答案了。