<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <!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>测试JSTL (Java标准标签库)</title> </head> <body> <% //session.setAttribute("test", "测试内容"); //request.setAttribute("test", "测试内容2"); //application.setAttribute("test", "测试内容3"); com.hanqi.dao.User user1 = new com.hanqi.dao.User(); request.setAttribute("user1", user1); //session.setAttribute("user1", user1); %> <c:catch var="error"></c:catch> <c:out value="${error }"/> <c:remove var="user1" scope="session"/> <c:set var="test" value="标签测试内容" scope="request"/> <jsp:useBean class="com.hanqi.dao.User" id="user" /> <c:set target="${user1 }" property="username" value="测1试用户123" /> <c:out value="${user1.username }"></c:out> <c:out value="${user1.getUsername() }"></c:out> <br> <c:out value=" ${test }<hr>" escapeXml="true" default="默认值"></c:out> <%= "你好2 <hr>" %> ${ "你好3<hr>" } <% out.print("你好4<hr>"); out.write("你好5 < hr >"); %> </body> </html>