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HelloWorld论坛 : > 计算机科学、技术、教学> 编程入门> c、c++基础> [转]用VC实现word和txt之间的转换
 
 
 
 
 
 
类别:c++ 阅读:5178 评论:0 时间:三月 19, 2012, 5:24 a.m. 关键字:

 

 

1.vc把文字内容存成word文件

#include <ole2.h>
#include <stdio.h>

void ErrHandler(HRESULT hr, EXCEPINFO excep)
{
    if(hr==DISP_E_EXCEPTION)
    {
        char errDesc[512];
        char errMsg[512];
        wcstombs(errDesc, excep.bstrDescription, 512);
        sprintf(errMsg, "Run-time error %d:\n\n %s",
                excep.scode & 0x0000FFFF,  //Lower 16-bits of SCODE
                errDesc);                  //Text error description
        ::MessageBox(NULL, errMsg, "Server Error", MB_SETFOREGROUND |
                     MB_OK);
    }
    else
    {
        LPVOID lpMsgBuf;
        ::FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
                        FORMAT_MESSAGE_FROM_SYSTEM |
                        FORMAT_MESSAGE_IGNORE_INSERTS, NULL, hr,
                        MAKELANGID(LANG_NEUTRAL,
                        SUBLANG_DEFAULT),(LPTSTR) &lpMsgBuf,
                        0, NULL);
        ::MessageBox(NULL, (LPCTSTR)lpMsgBuf, "COM Error",
                     MB_OK | MB_SETFOREGROUND);
        ::LocalFree( lpMsgBuf );
    }

}

int main(int argc, char* argv[])
{

    // ******************* Declare Some Variables ********************

    // Variables that will be used and re-used in our calls
    DISPPARAMS dpNoArgs = {NULL, NULL, 0, 0};
    VARIANT vResult;
    OLECHAR FAR* szFunction;
    BSTR bstrTemp;

    // IDispatch pointers for Word's objects
    IDispatch* pDispDocs;      //Documents collection
    IDispatch* pDispSel;       //Selection object
    IDispatch* pDispActiveDoc; //ActiveDocument object

    // DISPID's
    DISPID dispid_Docs;        //Documents property of Application object
    DISPID dispid_DocsAdd;     //Add method of Documents collection
                               //object
    DISPID dispid_Sel;         //Selection property of Applicaiton object
    DISPID dispid_TypeText;    //TypeText method of Selection object
    DISPID dispid_TypePara;    //TypeParagraph method of Selection object
    DISPID dispid_ActiveDoc;   //ActiveDocument property of Application
                               //obj
    DISPID dispid_SaveAs;      //SaveAs method of the Document object
    DISPID dispid_Quit;        //Quit method of the Application object

    // ******************** Start Automation ***********************

    //Initialize the COM libraries
    ::CoInitialize(NULL);

    // Create an instance of the Word application and obtain the pointer
    // to the application's IDispatch interface.
    CLSID clsid;
    CLSIDFromProgID(L"Word.Application", &clsid);

    IUnknown* pUnk;
    HRESULT hr = ::CoCreateInstance( clsid, NULL, CLSCTX_SERVER,
                                     IID_IUnknown, (void**) &pUnk);
    IDispatch* pDispApp;
    hr = pUnk->QueryInterface(IID_IDispatch, (void**)&pDispApp);

    // Get IDispatch* for the Documents collection object
    szFunction = OLESTR("Documents");
    hr = pDispApp->GetIDsOfNames (IID_NULL, &szFunction, 1,
                                  LOCALE_USER_DEFAULT, &dispid_Docs);
    hr = pDispApp->Invoke (dispid_Docs, IID_NULL, LOCALE_USER_DEFAULT,
                           DISPATCH_PROPERTYGET, &dpNoArgs, &vResult,
                           NULL, NULL);
    pDispDocs = vResult.pdispVal;

    // Invoke the Add method on the Documents collection object
    // to create a new document in Word
    // Note that the Add method can take up to 3 arguments, all of which
    // are optional. We are not passing it any so we are using an empty
    // DISPPARAMS structure
    szFunction = OLESTR("Add");
    hr = pDispDocs->GetIDsOfNames(IID_NULL, &szFunction, 1,
                                  LOCALE_USER_DEFAULT, &dispid_DocsAdd);
    hr = pDispDocs->Invoke(dispid_DocsAdd, IID_NULL, LOCALE_USER_DEFAULT,
                           DISPATCH_METHOD, &dpNoArgs, &vResult, NULL,
                           NULL);


    // Get IDispatch* for the Selection object
    szFunction = OLESTR("Selection");
    hr = pDispApp->GetIDsOfNames (IID_NULL, &szFunction, 1,
                                  LOCALE_USER_DEFAULT, &dispid_Sel);
    hr = pDispApp->Invoke (dispid_Sel, IID_NULL, LOCALE_USER_DEFAULT,
                           DISPATCH_PROPERTYGET, &dpNoArgs, &vResult,
                           NULL, NULL);
    pDispSel = vResult.pdispVal;


    // Get the DISPIDs of the TypeText and TypeParagraph methods of the
    // Selection object.  We'll use these DISPIDs multiple times.
    szFunction = OLESTR("TypeText");
    hr = pDispSel->GetIDsOfNames(IID_NULL, &szFunction, 1,
                                  LOCALE_USER_DEFAULT, &dispid_TypeText);

    szFunction = OLESTR("TypeParagraph");
    hr = pDispSel->GetIDsOfNames(IID_NULL, &szFunction, 1,
                                  LOCALE_USER_DEFAULT, &dispid_TypePara);

    // The TypeText method has and requires only one argument, a string,
    // so set up the DISPPARAMS accordingly
    VARIANT vArgsTypeText[1];
    DISPPARAMS dpTypeText;

    bstrTemp = ::SysAllocString(OLESTR("One"));
    vArgsTypeText [0].vt = VT_BSTR;
    vArgsTypeText [0].bstrVal = bstrTemp;
    dpTypeText.cArgs = 1;
    dpTypeText.cNamedArgs = 0;
    dpTypeText.rgvarg = vArgsTypeText;

    //Invoke the first TypeText and TypeParagraph pair
    hr = pDispSel->Invoke (dispid_TypeText, IID_NULL,
                           LOCALE_USER_DEFAULT, DISPATCH_METHOD,
                           &dpTypeText, NULL, NULL, NULL);
    hr = pDispSel->Invoke (dispid_TypePara, IID_NULL,
                           LOCALE_USER_DEFAULT, DISPATCH_METHOD,
                           &dpNoArgs, NULL, NULL, NULL);
    ::SysFreeString(bstrTemp);

    //Invoke the second TypeText and TypeParagraph pair
    bstrTemp = ::SysAllocString(OLESTR("Two"));
    hr = pDispSel->Invoke (dispid_TypeText, IID_NULL,
                           LOCALE_USER_DEFAULT, DISPATCH_METHOD,
                           &dpTypeText, NULL, NULL, NULL);
    hr = pDispSel->Invoke (dispid_TypePara, IID_NULL,
                           LOCALE_USER_DEFAULT, DISPATCH_METHOD,
                           &dpNoArgs, NULL, NULL, NULL);
    ::SysFreeString(bstrTemp);

    //Invoke the third TypeText and TypeParagraph pair
    bstrTemp = ::SysAllocString(OLESTR("Three"));
    hr = pDispSel->Invoke (dispid_TypeText, IID_NULL,
                           LOCALE_USER_DEFAULT, DISPATCH_METHOD,
                           &dpTypeText, NULL, NULL, NULL);
    hr = pDispSel->Invoke (dispid_TypePara, IID_NULL,
                           LOCALE_USER_DEFAULT, DISPATCH_METHOD,
                           &dpNoArgs, NULL, NULL, NULL);
    ::SysFreeString(bstrTemp);

    // Get IDispatch* for the ActiveDocument object
    szFunction = OLESTR("ActiveDocument");
    hr = pDispApp->GetIDsOfNames (IID_NULL, &szFunction, 1,
                                  LOCALE_USER_DEFAULT,
                                  &dispid_ActiveDoc);
    hr = pDispApp->Invoke (dispid_ActiveDoc, IID_NULL,
                           LOCALE_USER_DEFAULT, DISPATCH_PROPERTYGET,
                           &dpNoArgs, &vResult, NULL, NULL);
    pDispActiveDoc = vResult.pdispVal;

    //Set up the DISPPARAMS for the SaveAs method (11 arguments)
    VARIANT vArgsSaveAs[11];
    DISPPARAMS dpSaveAs;
    dpSaveAs.cArgs = 11;
    dpSaveAs.cNamedArgs = 0;
    dpSaveAs.rgvarg = vArgsSaveAs;

    BSTR bstrEmptyString;
    bstrEmptyString = ::SysAllocString(OLESTR(""));

    VARIANT vFalse;
    vFalse.vt = VT_BOOL;
    vFalse.boolVal = FALSE;

    //TRY THIS:
    //To see the error handler in action, change the following
    //line to:
    //
    //     bstrTemp = ::SysAllocString(OLESTR("c:\\badpath\\doc1.doc"));
    bstrTemp = ::SysAllocString(OLESTR("c:\\doc1.doc"));

    //TRY THIS:
    //To see the error handler in action, change the following
    //line to:
    //
    //   vArgsSaveAs[10].vt = VT_I4;        
    vArgsSaveAs[10].vt = VT_BSTR;        
    vArgsSaveAs[10].bstrVal = bstrTemp;        //Filename
    vArgsSaveAs[9].vt = VT_I4;           
    vArgsSaveAs[9].lVal = 0;                   //FileFormat
    vArgsSaveAs[8] = vFalse;                   //LockComments
    vArgsSaveAs[7].vt = VT_BSTR;
    vArgsSaveAs[7].bstrVal = bstrEmptyString;  //Password
    vArgsSaveAs[6].vt = VT_BOOL;     
    vArgsSaveAs[6].boolVal = TRUE;             //AddToRecentFiles
    vArgsSaveAs[5].vt = VT_BSTR;
    vArgsSaveAs[5].bstrVal = bstrEmptyString;  //WritePassword
    vArgsSaveAs[4] = vFalse;                   //ReadOnlyRecommended
    vArgsSaveAs[3] = vFalse;                   //EmbedTrueTypeFonts
    vArgsSaveAs[2] = vFalse;                   //SaveNativePictureFormat
    vArgsSaveAs[1] = vFalse;                   //SaveFormsData
    vArgsSaveAs[0] = vFalse;                   //SaveAsOCELetter


    //Invoke the SaveAs method
    szFunction = OLESTR("SaveAs");
    hr = pDispActiveDoc->GetIDsOfNames(IID_NULL, &szFunction, 1,
                                  LOCALE_USER_DEFAULT, &dispid_SaveAs);
    EXCEPINFO excep;
    hr = pDispActiveDoc->Invoke(dispid_SaveAs, IID_NULL,
                                LOCALE_USER_DEFAULT, DISPATCH_METHOD,
                                &dpSaveAs, NULL, &excep, NULL);
    if (FAILED(hr))
    {
        ErrHandler(hr, excep);
    }

    ::SysFreeString(bstrEmptyString);

    //Invoke the Quit method
    szFunction = OLESTR("Quit");
    hr = pDispApp->GetIDsOfNames(IID_NULL, &szFunction, 1,
                                 LOCALE_USER_DEFAULT, &dispid_Quit);
    hr = pDispApp->Invoke (dispid_Quit, IID_NULL, LOCALE_USER_DEFAULT,
                           DISPATCH_METHOD, &dpNoArgs, NULL, NULL, NULL);

    //Clean-up
    ::SysFreeString(bstrTemp);
    pDispActiveDoc->Release();
    pDispSel->Release();
    pDispDocs->Release();
    pDispApp->Release();
    pUnk->Release();

    ::CoUninitialize();

    return 0;

}

2.vc把word文件转成txt文件(好获取word文件的文字内容)

#include <ole2.h>
#include <stdio.h>

void DocToTxt(BSTR bstrOpenFile, BSTR bstrSaveFile);
void DocToTxt(BSTR bstrOpenFile, BSTR bstrSaveFile)
{
    // ******************* Declare Some Variables ********************

    // Variables that will be used and re-used in our calls
    DISPPARAMS        m_dpNoArgs = {NULL, NULL, 0, 0};
    VARIANT            m_vResult;
    OLECHAR FAR*    m_szFunction;

    // IDispatch pointers for Word's objects
    IDispatch*        m_pDispDocs;          //Documents collection
    IDispatch*        m_pDispActiveDoc;      //ActiveDocument object

    // DISPID's
    DISPID            m_dispid_Docs;        //Documents property of Application object
    DISPID            m_dispid_ActiveDoc;   //ActiveDocument property of Application
    DISPID            m_dispid_SaveAs;      //SaveAs method of the Document object
    DISPID            m_dispid_Quit;        //Quit method of the Application object

    DISPID            m_dispid_Open;          //Open method of the Application object
    BSTR            m_bstrEmptyString ;

    // ******************** Start Automation ***********************

    //Initialize the COM libraries
    ::CoInitialize(NULL);

    // Create an instance of the Word application and obtain the pointer
    // to the application's IDispatch interface.
    CLSID    m_clsid;
    CLSIDFromProgID(L"Word.Application", &m_clsid);

    IUnknown*    m_pUnk;
    HRESULT m_hr = ::CoCreateInstance( m_clsid, NULL, CLSCTX_SERVER,
                                       IID_IUnknown, (void**) &m_pUnk);
    IDispatch*    m_pDispApp;
    m_hr = m_pUnk->QueryInterface( IID_IDispatch, (void**)&m_pDispApp);

    // Get IDispatch* for the Documents collection object
    m_szFunction = OLESTR("Documents");
    m_hr = m_pDispApp->GetIDsOfNames (IID_NULL, &m_szFunction, 1,
                                      LOCALE_USER_DEFAULT, &m_dispid_Docs);
    m_hr = m_pDispApp->Invoke (m_dispid_Docs, IID_NULL, LOCALE_USER_DEFAULT,
                               DISPATCH_PROPERTYGET, &m_dpNoArgs, &m_vResult,
                               NULL, NULL);
    m_pDispDocs = m_vResult.pdispVal;

    // Query id of method open
    m_szFunction = OLESTR("Open");
    m_hr = m_pDispDocs->GetIDsOfNames(IID_NULL, &m_szFunction,1,
                                      LOCALE_USER_DEFAULT, &m_dispid_Open);

    // Prepare parameters for open method
    VARIANT        vArgsOpen[6];
    DISPPARAMS    dpOpen;
    dpOpen.cArgs        = 6;
    dpOpen.cNamedArgs   = 0;
    dpOpen.rgvarg        = vArgsOpen;

    VARIANT        vFalse, vTrue;
    vFalse.vt            = VT_BOOL;
    vFalse.boolVal        = FALSE;
    vTrue.vt            = VT_BOOL;
    vTrue.boolVal        = TRUE;


    m_bstrEmptyString = ::SysAllocString(OLESTR("")) ;

    vArgsOpen[5].vt            = VT_BSTR;
    vArgsOpen[5].bstrVal    = bstrOpenFile;
    vArgsOpen[4]            = vFalse;
    vArgsOpen[3]            = vTrue;
    vArgsOpen[2]            = vFalse;
    vArgsOpen[1].vt            = VT_BSTR;
    vArgsOpen[1].bstrVal    = m_bstrEmptyString;
    vArgsOpen[0].vt            = VT_BSTR;
    vArgsOpen[0].bstrVal    = m_bstrEmptyString;

    //Execute open method
    m_hr=m_pDispDocs->Invoke(m_dispid_Open,IID_NULL,LOCALE_USER_DEFAULT,
                             DISPATCH_METHOD,&dpOpen,NULL,NULL,NULL);

    //Query activedocument interface
    m_szFunction = OLESTR("ActiveDocument");
    m_hr = m_pDispApp->GetIDsOfNames(IID_NULL, &m_szFunction, 1,
                                     LOCALE_USER_DEFAULT,&m_dispid_ActiveDoc);
    m_hr = m_pDispApp->Invoke(m_dispid_ActiveDoc,IID_NULL,
                              LOCALE_USER_DEFAULT, DISPATCH_PROPERTYGET,
                              &m_dpNoArgs,&m_vResult,NULL,NULL);
    m_pDispActiveDoc = m_vResult.pdispVal;

    //Prepare arguments for save as .txt
    VARIANT            vArgsSaveAs[11];
    DISPPARAMS        dpSaveAs;
    dpSaveAs.cArgs            =   11;
    dpSaveAs.cNamedArgs        =   0;
    dpSaveAs.rgvarg            =   vArgsSaveAs;

    vArgsSaveAs[10].vt        =   VT_BSTR;
    vArgsSaveAs[10].bstrVal =    bstrSaveFile;        //Filename
    vArgsSaveAs[9].vt        =   VT_I4;
    vArgsSaveAs[9].lVal        =   2;                  //FileFormat(wdFormatText = 2)
    vArgsSaveAs[8]            =   vFalse;                //LockComments
    vArgsSaveAs[7].vt        =   VT_BSTR;
    vArgsSaveAs[7].bstrVal  =   m_bstrEmptyString;  //Password
    vArgsSaveAs[6].vt        =   VT_BOOL;
    vArgsSaveAs[6].boolVal  =   TRUE;               //AddToRecentFiles
    vArgsSaveAs[5].vt        =   VT_BSTR;
    vArgsSaveAs[5].bstrVal  =   m_bstrEmptyString;  //WritePassword
    vArgsSaveAs[4]            =   vFalse;             //ReadOnlyRecommended
    vArgsSaveAs[3]            =   vFalse;             //EmbedTrueTypeFonts
    vArgsSaveAs[2]            =   vFalse;             //SaveNativePictureFormat
    vArgsSaveAs[1]            =   vFalse;             //SaveFormsData
    vArgsSaveAs[0]            =   vFalse;                //SaveAsOCELetter

    // Query and execute SaveAs method
    m_szFunction = OLESTR("SaveAs");
    m_hr = m_pDispActiveDoc->GetIDsOfNames(IID_NULL,&m_szFunction,1,
                                           LOCALE_USER_DEFAULT,&m_dispid_SaveAs);
    m_hr = m_pDispActiveDoc->Invoke(m_dispid_SaveAs, IID_NULL,
                                    LOCALE_USER_DEFAULT,DISPATCH_METHOD,
                                    &dpSaveAs,NULL,NULL,NULL);
    // Invoke the Quit method
    m_szFunction = OLESTR("Quit");
    m_hr = m_pDispApp->GetIDsOfNames(IID_NULL, &m_szFunction, 1,
                                     LOCALE_USER_DEFAULT, &m_dispid_Quit);
    m_hr = m_pDispApp->Invoke(m_dispid_Quit, IID_NULL, LOCALE_USER_DEFAULT,
                              DISPATCH_METHOD, &m_dpNoArgs, NULL, NULL, NULL);

    //Clean-up
    ::SysFreeString(bstrOpenFile) ;
    ::SysFreeString(bstrSaveFile) ;
    ::SysFreeString(m_bstrEmptyString) ;

    m_pDispActiveDoc->Release();
    m_pDispDocs->Release();
    m_pDispApp->Release();
    m_pUnk->Release();

    ::CoUninitialize();
}
int main(int argc, char* argv[])
{
    BSTR str1,str2 ;
    str1 = ::SysAllocString(OLESTR("C:\\doc1.doc"));
    str2 = ::SysAllocString(OLESTR("C:\\doc1.txt"));
    DocToTxt(str1,str2);
    return 0;
}

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