jsp页面展示PDF文档

<%@ page language="java" import="java.util.*,java.io.*" 
pageEncoding="ISO-8859-1"%> 
<% 

String basePath = request.getContextPath()+"/"; 

%> 



<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 
<html> 
<head> 
   <base href="<%=basePath%>"> 
</head> 
<% 
   out.clear(); 
   out = pageContext.pushBody(); 
   response.setContentType("application/pdf"); 


   try { 

//获取的是pdf文档的路径

    String strPdfPath=(String)request.getAttribute("pngName"); 
    System.out.println(";'''''''''''''''"+strPdfPath);
    //判断该路径下的文件是否存在 
    File file = new File(strPdfPath); 
    if (file.exists()) { 
     DataOutputStream temps = new DataOutputStream(response 
       .getOutputStream()); 
     DataInputStream in = new DataInputStream( 
       new FileInputStream(strPdfPath)); 


     byte[] b = new byte[888888]; 
     while ((in.read(b)) != -1) { 
      temps.write(b); 
      temps.flush(); 
     } 


     in.close(); 
     temps.close(); 
    } else { 
     out.print(strPdfPath + " 文件不存在!"); 
    } 


   } catch (Exception e) { 
    out.println(e.getMessage()); 
   } 
%> 
<body> 
   <br> 
</body> 
</html> 

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转载自blog.csdn.net/weishuai528/article/details/53202269