lib下引入standard和jstl依然报错，有大神知道原因吗？
<%@page import="com.tanzhou.dao.StudentDao"%>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ page import="java.util.*" %>
<%@ page import="com.tanzhou.dao.StudentDao" %> <!-- 导入StudentDao.java -->
<%@ page import="com.tanzhou.util.ExcelUtil" %>
<%@ taglib prefix="c" uri="https://java.sun.com/jsp/jstl/core" %>
<%-- <%@ taglib prefix="c" uri="/WEB-INF/lib/c.tld" %> --%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>导出excel</title>
</head>
<body>
<%
List<HashMap<String,Object>> students = StudentDao.findStudents();
//pageContext.setAttribute("students", students); //绑定到页面上下文中去
String path = request.getRealPath("/")+"student.xls";
ExcelUtil.exportData(students, path);
out.println("<a href='/ExportExcel/student.xls'>下载</a>");
%>
</body>
</html>
慕斯卡75856447回答
随时随地看视频慕课网APP
前端工具
Java