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用java在IE中打开Excel

public class TestOpenExcel extends HttpServlet {  

  private static final String url = "D:/test.xls";  
  protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {    

/**    
* setContentType设置MIME类型，Acrobat  
* PDF文件为"application/pdf"，WORD文件为："application/msword"，    
* EXCEL文件为："application/vnd.ms-excel"。  
*/  
response.setContentType("application/vnd.ms-excel");  

/**    
* setHeader设置打开方式，具体为：inline为在浏览器中打开，attachment单独打开。  
*/  
response.setHeader("Content-disposition", "inline;filename=\"" + "test.xls"+ "\";");  

  ServletOutputStream sos = response.getOutputStream();  

  FileInputStream fis = new FileInputStream(url);      

  BufferedOutputStream bos = new BufferedOutputStream(sos);  
  byte[] bytes = new byte[8192];    

  bos.write(bytes, 0, fis.read(bytes));   fis.close();  

sos.close();  
bos.close();      

}    

  protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {   
    doGet(request, response);  

}    

}