js调用jsp页面
window.open("/bfdf/web/DF07?fileName=" + eiInfo.get("fileName"), "_self");jsp代码
<%@page import="java.net.URLDecoder"%>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ page import="java.io.*" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link href="styles/basic.css" rel="stylesheet" type="text/css" />
<title>download</title>
</head>
<%
response.setCharacterEncoding("gb2312");
request.setCharacterEncoding("gb2312");
if (request.getParameter("fileName") != null) {
OutputStream outStream = null;
FileInputStream fileInputStream = null;
try {
String file = URLDecoder.decode(request.getParameter("fileName"), "UTF-8");
String fileName = file.substring(file.lastIndexOf(File.separator) + 1);
if (!(new File(file)).exists()) {
System.out.println("没有文件");
return;
}
System.out.println("文件名为："+file);
outStream = response.getOutputStream();
response.setHeader("content-disposition", "attachment;filename=" + fileName);
//此项内容随文件类型而异
response.setContentType("application/vnd.ms-excel");
byte temp[] = new byte[1000];
fileInputStream = new FileInputStream(file);
int n = 0;
while ((n = fileInputStream.read(temp)) != -1) {
outStream.write(temp, 0, n);
}
} catch (Exception e) {
out.print("出错");
} finally {
if (outStream != null){
outStream.close();
}
if (fileInputStream != null){
fileInputStream.close();
}
}
out.clear();
out = pageContext.pushBody();
}
%>java部分
return file.getAbsolutePath();