<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>UTOfficeWidget</class>
 <widget class="QWidget" name="UTOfficeWidget">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>400</width>
    <height>300</height>

   </rect>
  </property>
  <property name="windowTitle">
   <string>UTOfficeWidget</string>
  </property>
  <layout class="QVBoxLayout" name="verticalLayout">
   <item>
    <widget class="QTextEdit" name="textEdit"/>
   </item>
  </layout>
 </widget>

 <layoutdefault spacing="6" margin="11"/>
 <resources/>
 <connections/>
</ui>
二：標頭檔案  utofficewidget.h
#ifndef UTOFFICEWIDGET_H
#define UTOFFICEWIDGET_H
#include <QWidget>
#include<QAxObject>
#include<QAxWidget>
#include <QTextStream>
#include<QFile>
#include "ui_utofficewidget.h"

class UTOfficeWidget : public QWidget
{
Q_OBJECT
public:
UTOfficeWidget(QWidget *parent = 0);
~UTOfficeWidget();
public:
//開啟檔案  ;*.doc;*.docx;*.docm;*.xls;*.xlsx;*.xlsm;*.xlsb,*.ppt;*.pptx;*.pptm;*.txt;*.xml;
void Open(QString filePath);
//關閉 是否需要儲存 預設不儲存
void Close(bool isSave=false);
//儲存
void Save();
//另存為。。
void SaveAs(QString newFilePath);


private:
//文件開啟控制元件
QAxWidget* officeContent;
//當前開啟檔案的路徑
QString currentFilePath;
Ui::UTOfficeWidget ui;
};
#endif // UTOFFICEWIDGET_H
三：CPP檔案：#include "utofficewidget.h"UTOfficeWidget::UTOfficeWidget(QWidget *parent)
: QWidget(parent)
,officeContent(NULL)
{
ui.setupUi(this);}UTOfficeWidget::~UTOfficeWidget()
{
Close();
}void UTOfficeWidget::Open( QString filePath )
{
if (filePath.isEmpty())
{
return;
}
if (officeContent)
{
Close();
}
if (filePath.endsWith(".docx") ||filePath.endsWith(".doc") || filePath.endsWith(".doc"))
{
officeContent=new QAxWidget ("Word.Document", ui.textEdit);
officeContent-> setGeometry (QRect (10, 10, this->width()-10, this->height()-10));
officeContent->setControl (filePath);
officeContent-> show ();
}
else if (filePath.endsWith(".xlsx") || filePath.endsWith(".xls") ||filePath.endsWith(".xlsm"))
{
officeContent=new QAxWidget ("Excel.WorkBook", ui.textEdit);
officeContent-> setGeometry (QRect (10, 10, this->width()-10, this->height()-10));
officeContent->setControl (filePath);
officeContent-> show ();
}
else if (filePath.endsWith(".ppt") || filePath.endsWith(".pptx") ||filePath.endsWith(".pptm"))
{
//"Powerpoint.Presentation"

officeContent=new QAxWidget ("Powerpoint.Application",ui.textEdit);
//pptPresentation->setControl("{048EB43E-2059-422F-95E0-557DA96038AF}");  
//pptPresentation->setControl("{91493441-5A91-11CF-8700-00AA0060263B}");
officeContent-> setGeometry (QRect (10, 10, this->width()-10, this->height()-10));
QAxObject *presentations = officeContent->querySubObject( "Presentations" ); 
presentations->dynamicCall("Open(QString)",filePath);

}
else if (filePath.endsWith(".txt") || filePath.endsWith(".xml"))
{

QFile sfile(filePath);
if (sfile.open(QFile::ReadOnly | QFile::Text))
{
QTextStream in(&sfile);
ui.textEdit->setText(in.readAll());
sfile.close();
}
}
else
{
return;
}
currentFilePath=filePath;
}void UTOfficeWidget::Close( bool isSave/*=false*/ )
{
if (officeContent)
{
if (currentFilePath.endsWith(".ppt") || currentFilePath.endsWith(".pptx") ||currentFilePath.endsWith(".pptm"))
{
officeContent->dynamicCall("Quit(void)");
}
else if (currentFilePath.endsWith(".txt") || currentFilePath.endsWith(".xml"))
{
ui.textEdit->clear();
}
else
{
officeContent->dynamicCall("Close(bool)",true);
}
}}void UTOfficeWidget::Save()
{}void UTOfficeWidget::SaveAs( QString newFilePath )
{}四：呼叫測試：