//在項(xiàng)目引用里添加上對(duì)Microsoft Word 11.0 object library的引用
private void button1_Click(object sender, System.EventArgs e)
{
//調(diào)用打開(kāi)文件對(duì)話框獲取要打開(kāi)的文件WORD文件，RTF文件，文本文件路徑名稱
OpenFileDialog opd = new OpenFileDialog();
opd.InitialDirectory = \"c:\\\\\";
opd.Filter = \"Word文檔(*.doc)|*.doc|文本文檔(*.txt)|*.txt|RTF文檔(*.rtf)|*.rtf|所有文檔(*.*)|*.*\";
opd.FilterIndex = 1;
if (opd.ShowDialog() == DialogResult.OK && opd.FileName.Length > 0)
{
//建立Word類的實(shí)例,缺點(diǎn):不能正確讀取表格,圖片等等的顯示
Word.ApplicationClass app = new Word.ApplicationClass();
Word.Document doc = null;
object missing = System.Reflection.Missing.Value;
object FileName = opd.FileName;
object readOnly = false;
object isVisible = true;
object index = 0;
try
{
doc = app.Documents.Open(ref FileName, ref missing, ref readOnly,
ref missing, ref missing, ref missing, ref missing, ref missing,
ref missing, ref missing, ref missing, ref isVisible, ref missing,
ref missing, ref missing, ref missing);
doc.ActiveWindow.Selection.WholeStory();
doc.ActiveWindow.Selection.Copy();
//從剪切板獲取數(shù)據(jù)
IDataObject data=Clipboard.GetDataObject();
this.richTextBox1.Text=data.GetData(DataFormats.Text).ToString();
}
finally
{
if (doc != null)
{
doc.Close(ref missing, ref missing, ref missing);
doc = null;
}
if (app != null)
{
app.Quit(ref missing, ref missing, ref missing);
app = null;[Page]
}
}
}
}

<input id="flUpload" type="file" />flUpload
<input id="btnOpenFile" type="button" value="button" onclick="OpenFile()" />

function OpenFile()
{
if (document.getElementById("flUpload").value.toUpperCase().indexOf(".XLS") != -1)
{
var objExcel;
objExcel = new ActiveXObject("Excel.Application");
objExcel.Visible = true;
objExcel.Workbooks.Open(document.getElementById("flUpload").value);
}
else if (document.getElementById("flUpload").value.toUpperCase().indexOf(".DOC") != -1)
{
var objDoc;
objDoc = new ActiveXObject("Word.Application");
objDoc.Visible = true;
objDoc.Documents.Open(document.getElementById("flUpload").value);
}
else
{
alert("Please select Word/Excel file only");
return false;
}
}