使用jsp下载excel文件

<%@ page contentType="application/x-xls;charset=GBK"%> 
<%@ page import="java.io.File,java.io.FileInputStream"%> 
<%@ page import="javax.servlet.ServletOutputStream"%> 
<% 
out.clear(); 
out = pageContext.pushBody(); 
String fileName = request.getParameter("fileName"); 
response.setHeader("Content-disposition","inline;filename="+fileName); 
File fileLoad = new File(request.getRealPath("")+"/shipment/template", fileName); 
long fileLength = fileLoad.length(); 
String length = String.valueOf(fileLength); 
response.setHeader("Content_Length", length); 
FileInputStream input = null; 
ServletOutputStream output = null; 
try { 
   input = new FileInputStream(fileLoad); 
   output = response.getOutputStream(); 
   byte[] block = new byte[1024]; 
   int len = 0; 
   while ((len = input.read(block)) != -1) { 
    output.write(block, 0, len); 
   } 
} catch (Exception e) { 
   e.getMessage(); 
} finally { 
   try { 
    input.close(); 
    output.flush(); 
    output.close(); 
   } catch (Exception ex) { 
    ex.getMessage(); 
   } 
} 
%> 
  
 
作者“ERDP技术架构”