// java代码 public ActionForward getSoaPdf(ActionMapping mapping, ActionForm form,                                HttpServletRequest request, HttpServletResponse response) throws IOException {
       String path = request.getParameter("path");     if (IsPdf(path)) {
           response.setContentType("application/pdf");     } else {
           response.setContentType("application/vnd.ms-excel");     }     ServletOutputStream out = null;     try {
           out = response.getOutputStream();     } catch (IOException e) {
           e.printStackTrace();     }     //加上下面这句则可以在浏览器外打开,或者保存     //resp.setHeader("Content-disposition", "attachment;filename=sample.pdf");     File pdf = null;     BufferedInputStream buf = null;     try {
           pdf = new File("G:\\Soa_Pdf\\" + path);         response.setContentLength((int) pdf.length());         FileInputStream input = new FileInputStream(pdf);         buf = new BufferedInputStream(input);         int readBytes = 0;         while ((readBytes = buf.read()) != -1) {
                out.write(readBytes);         }     } catch (IOException e) {
           e.printStackTrace();     } finally {
           if (out != null) out.close();         if (buf != null) buf.close();     }     return null; }

// js代码 function openDetailPdf(path, cnTitle, enTitle) {
       art.dialog.open('operatorquery.do?method=getSoaPdf&path=' + path, {
           title: cnTitle + " " + enTitle,         width: 1100,         // height: 450,         height: 580,         left: '133px',         top: '10px',         fixed: true,         resize: false,         padding: '5px 5px',     }); } 显示效果：