unit3.cpp

此程序将Acesses文件调入EXCEL,WORD

//---------------------------------------------------------------------------
#include <comobj.hpp>
#include <vcl.h>
#pragma hdrstop
#include <utilcls.h>
#include "Unit3.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm3 *Form3;
//---------------------------------------------------------------------------
__fastcall TForm3::TForm3(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------

void __fastcall TForm3::Button1Click(TObject *Sender)
{
    if(!DBGrid1->DataSource->DataSet->Active) // 数据集没有打开就返回
        return;
       Variant vWordApp;
       Variant vTable;
       Variant vCell;
    try
    {
        vWordApp = Variant::CreateObject("Word.Application");
    }
    catch(...)
    {
        MessageBox(0, "启动 Word 出错, 可能是没有安装Word.",
                "DBGrid2Word", MB_OK | MB_ICONERROR);
        vWordApp = Unassigned;
        return;
    }
    // 隐藏Word界面
    vWordApp.OlePropertySet("Visible", false);
    // 新建一个文档
    vWordApp.OlePropertyGet("Documents").OleFunction("Add");
    //
    Variant vSelect = vWordApp.OlePropertyGet("Selection");
    // 设置一下字体，大小
    vSelect.OlePropertyGet("Font").OlePropertySet("Size", DBGrid1->Font->Size);
    vSelect.OlePropertyGet("Font").OlePropertySet("Name", DBGrid1->Font->Name.c_str());
    // 要插入表格的行数
    int nRowCount(DBGrid1->DataSource->DataSet->RecordCount + 1);
    nRowCount = nRowCount < 2? 2: nRowCount;
    // 要插入表格的列数
    int nColCount(DBGrid1->Columns->Count);
    nColCount = nColCount < 1? 1: nColCount;
    // 在Word文档中插入与DBGrid行数列数基本相同的一个表格
    vWordApp.OlePropertyGet("ActiveDocument").OlePropertyGet("Tables")
        .OleProcedure("Add",
        vSelect.OlePropertyGet("Range"),
        nRowCount, // 行数
        nColCount, // 列数
        1, // DefaultTableBehavior:=wdWord9TableBehavior
        0); // AutoFitBehavior:=wdAutoFitFixed
    // 操作这个表格
    vTable = vWordApp.OlePropertyGet("ActiveDocument").
        OleFunction("Range").OlePropertyGet("Tables").OleFunction("Item", 1);
    // 设置单元格的宽度
    for(int i=0; i<nColCount; i++)
    {
        int nColWidth = DBGrid1->Columns->Items[i]->Width;
        vTable.OlePropertyGet("Columns").OleFunction("Item", i + 1)
                .OlePropertySet("PreferredWidthType", 3); // wdPreferredWidthPoints
        vTable.OlePropertyGet("Columns").OleFunction("Item", i + 1)
                .OlePropertySet("PreferredWidth", nColWidth);
    }
       for(int j=0; j<DBGrid1->Columns->Count; j++)
    {
        vCell = vTable.OleFunction("Cell", 1, j + 1);
        vCell.OlePropertySet("Range", DBGrid1->Columns->Items[j]->FieldName.c_str());
        // 列名单元格背景颜色 // wdColorGray125
        vCell.OlePropertyGet("Shading")
                .OlePropertySet("BackgroundPatternColor", 14737632);
    }
    // 将DBGrid中的数据写入Word表格
    DBGrid1->DataSource->DataSet->First();
    for(int i=0; i<nRowCount; i++)
    {
        // 63 63 72 75 6E 2E 63 6F 6D
        for(int j=0; j<DBGrid1->Columns->Count; j++)
        {
            vCell = vTable.OleFunction("Cell", i + 2, j + 1);
            vCell.OlePropertySet("Range",
                DBGrid1->DataSource->DataSet->FieldByName(
                DBGrid1->Columns->Items[j]->FieldName)->AsString.c_str());
        }
        DBGrid1->DataSource->DataSet->Next();
    }
    // 保存Word文档并退出
   // vWordApp.OlePropertyGet("ActiveDocument").OleProcedure("SaveAs", strDocFile.c_str());
    vWordApp.OlePropertyGet("ActiveDocument").OleProcedure("Close");
    Application->ProcessMessages();
    vWordApp.OleProcedure("Quit");
    Application->ProcessMessages();
    vWordApp = Unassigned;
    // 工作结束
    MessageBox(0, "DBGrid2Word 转换结束!",
            "DBGrid2Word", MB_OK | MB_ICONINFORMATION);

}
//---------------------------------------------------------------------------
void __fastcall TForm3::Button2Click(TObject *Sender)
{
        Variant vWordApp;
        Variant vTable;
        Variant vCell;
        int number=0;
        AnsiString strWordFile=GetCurrentDir() + "\\student.doc";
        if(!FileExists(strWordFile))
        {
                MessageBox(NULL,"文件不存在！","提示",MB_OK);
                return;
        }

        try
        {
                vWordApp = Variant::CreateObject("Word.Application");
        }
        catch(...)
        {
                vWordApp = Unassigned;
                MessageBox(NULL, "启动Word出错,可能是没有安装Word.","提示",MB_OK|MB_ICONERROR);
                return;
        }
        // 隐藏Word界面
        vWordApp.OlePropertySet("Visible", false);
        try
        {

                vWordApp.OlePropertyGet("Documents").OleProcedure("Open", strWordFile.c_str());
                vTable = vWordApp.OlePropertyGet("ActiveDocument").OleFunction("Range")
                        .OlePropertyGet("Tables").OleFunction("Item", 1);
        }
        catch(...)
        {
                vWordApp.OleFunction("Quit");
                vWordApp = Unassigned;
                MessageBox(NULL,"文件被破坏！","提示",MB_OK);
                return;
        }


        int iRowCount=vTable.OlePropertyGet("Rows").OlePropertyGet("Count");
        int iColCount=vTable.OlePropertyGet("Columns").OlePropertyGet("Count");
        int iFieldCount=ADODataSet1->FieldCount;

        if(iColCount!=iFieldCount)
        {
                vWordApp.OleFunction("Quit");
                vWordApp = Unassigned;
                MessageBox(NULL,"文件格式不正确！","提示",MB_OK);
                return;
        }
        for(int i=1; i<iRowCount; i++)
        {
                ADODataSet1->Append();
                for(int j=0; j<iColCount; j++)
                {
                        vCell = vTable.OleFunction("Cell", i + 1, j + 1);
                        //ADODS->Fields->Fields[j]->DataType;
                        //AnsiString strValue= vCell.OlePropertyGet("Range").OlePropertyGet("Text");
                        //ShowMessage(strValue);
                        int iTextLength=AnsiString(vCell.OlePropertyGet("Range").OlePropertyGet("Text")).Length();
                        AnsiString strValue=AnsiString(vCell.OlePropertyGet("Range").OlePropertyGet("Text"));
                        ADODataSet1->Fields->Fields[j]->Value =Variant(strValue.SubString(0,iTextLength-2));
                }
                ADODataSet1->Post();
                number++;
        }

        vWordApp.OleFunction("Quit");
        vWordApp = Unassigned;

        MessageBox(NULL,(AnsiString("WordToAccess共导入记录数：")+IntToStr(number)).c_str(),"WordToAccess",MB_OK);

}
//---------------------------------------------------------------------------

void __fastcall TForm3::Button3Click(TObject *Sender)
{
     Close();        
}
//---------------------------------------------------------------------------