jsp用ado stream 上传图片

JSP:

var xml_http,ado_stream;

  function postBmp(){

 ado_stream = new ActiveXObject("ADODB.Stream");

 ado_stream.Type = 1;

 ado_stream.Open();

 ado_stream.LoadFromFile("D:\\1.bmp"); 

 ado_stream.position = 0;

 xml_http = CreateXmlHttpObj();

 xml_http.open("POST","../upload/ajax-upload!ado.action?attid=234234",true);

 xml_http.send(ado_stream.Read(-1));

 xml_http.onreadystatechange = ShowData;

  }

 

action:

ServletInputStream sis=Struts2Utils.getRequest().getInputStream();

File bmp = new File("D:\\test.bmp");

         if(!bmp.exists()){

         bmp.createNewFile(); 

         }

         BufferedImage img = ImageIO.read(sis);   

         ImageIO.write(img, "BMP", bmp);   

         img.flush();   

              Struts2Utils.renderText("保存成功！");

     sis.close();