如上图所示 我将登录时候的 radio的值存入session中
<%@ page language=“java” contentType=“text/html; charset=UTF-8”
pageEncoding=“UTF-8”%>
<%@taglib prefix=“c” uri=“http://java.sun.com/jsp/jstl/core”%>
<body id="bg">
<!-- 左边节点 -->
<div class="container">
<div class="leftsidebar_box">
<a href="main.jsp" target="main">
<div class="line">
<img class="icon1" src="static/images/coin01.png" /> <img
class="icon2" src="static/images/coin02.png" /> 首页
</div>
</a>
<!-- 此处将前台获取的radio的选项值从session域中拿到
目的是为了判断用户属于那种类型
从而让页面显示该用户相应的按钮
从而实现区分管理员 用户 教师三种角色
-->
<c:if test="${type==0}">
<!-- radio==0 表示当前为学生对象 -->
<!-- 学生信息管理-->
<dl class="system_log">
<dt>
<img class="icon1" src="static/images/coin07.png" /> <img
class="icon2" src="static/images/coin08.png" /> 学生信息管理 <img
class="icon3" src="static/images/coin19.png" /> <img
class="icon4" src="static/images/coin20.png" />
</dt>
<dd>
<img class="coin11" src="static/images/coin111.png" /> <img
class="coin22" src="static/images/coin222.png" /> <a
href="User_management.jsp" target="main" class="cks">学生信息查询</a>
<img class="icon5" src="static/images/coin21.png" />
</dd>
<dd>
<img class="coin11" src="static/images/coin111.png" /> <img
class="coin22" src="static/images/coin222.png" /> <a
href="jumpStudentAdd" target="main" class="cks">添加学生信息</a> <img
class="icon5" src="static/images/coin21.png" />
</dd>
<dd>
<img class="coin11" src="static/images/coin111.png" /> <img
class="coin22" src="static/images/coin222.png" /> <a
href="JumpUpdateStudentInfos" target="main" class="cks">学生信息修改</a>
<img class="icon5" src="static/images/coin21.png" />
</dd>
</dl>
</c:if>
<c:if test="${type==1}">
<!-- radio==1 表示当前为教师对象 -->
<!-- 教师信息管理 -->
<dl class="system_log">
<dt>
<img class="icon1" src="static/images/coin07.png" /> <img
class="icon2" src="static/images/coin08.png" /> 教师信息管理 <img
class="icon3" src="static/images/coin19.png" /> <img
class="icon4" src="static/images/coin20.png" />
</dt>
<dd>
<img class="coin11" src="static/images/coin111.png" /> <img
class="coin22" src="static/images/coin222.png" /> <a
class="cks" href="teacher.jsp" target="main">教师信息查询</a> <img
class="icon5" src="static/images/coin21.png" />
</dd>
<dd>
<img class="coin11" src="static/images/coin111.png" /> <img
class="coin22" src="static/images/coin222.png" /> <a
class="cks" href="jumpInstructorAdd" target="main">添加教师信息</a> <img
class="icon5" src="static/images/coin21.png" />
</dd>
<dd>
<img class="coin11" src="static/images/coin111.png" /> <img
class="coin22" src="static/images/coin222.png" /> <a
class="cks" href="jumpUpdateTeacherInfos" target="main">教师信息修改</a>
<img class="icon5" src="static/images/coin21.png" />
</dd>
</dl>
</c:if>
<c:if test="${type==2}">
<!-- radio==2 表示当前为管理员对象 -->
<!-- 学生信息管理-->
<dl class="system_log">
<dt>
<img class="icon1" src="static/images/coin07.png" /> <img
class="icon2" src="static/images/coin08.png" /> 学生信息管理 <img
class="icon3" src="static/images/coin19.png" /> <img
class="icon4" src="static/images/coin20.png" />
</dt>
<dd>
<img class="coin11" src="static/images/coin111.png" /> <img
class="coin22" src="static/images/coin222.png" /> <a
href="User_management.jsp" target="main" class="cks">学生信息查询</a>
<img class="icon5" src="static/images/coin21.png" />
</dd>
<dd>
<img class="coin11" src="static/images/coin111.png" /> <img
class="coin22" src="static/images/coin222.png" /> <a
href="jumpStudentAdd" target="main" class="cks">添加学生信息</a> <img
class="icon5" src="static/images/coin21.png" />
</dd>
<dd>
<img class="coin11" src="static/images/coin111.png" /> <img
class="coin22" src="static/images/coin222.png" /> <a
href="JumpUpdateStudentInfos" target="main" class="cks">学生信息修改</a>
<img class="icon5" src="static/images/coin21.png" />
</dd>
</dl>
<!-- 教师信息管理 -->
<dl class="system_log">
<dt>
<img class="icon1" src="static/images/coin07.png" /> <img
class="icon2" src="static/images/coin08.png" /> 教师信息管理 <img
class="icon3" src="static/images/coin19.png" /> <img
class="icon4" src="static/images/coin20.png" />
</dt>
<dd>
<img class="coin11" src="static/images/coin111.png" /> <img
class="coin22" src="static/images/coin222.png" /> <a
class="cks" href="teacher.jsp" target="main">教师信息查询</a> <img
class="icon5" src="static/images/coin21.png" />
</dd>
<dd>
<img class="coin11" src="static/images/coin111.png" /> <img
class="coin22" src="static/images/coin222.png" /> <a
class="cks" href="jumpInstructorAdd" target="main">添加教师信息</a> <img
class="icon5" src="static/images/coin21.png" />
</dd>
<dd>
<img class="coin11" src="static/images/coin111.png" /> <img
class="coin22" src="static/images/coin222.png" /> <a
class="cks" href="jumpUpdateTeacherInfos" target="main">教师信息修改</a>
<img class="icon5" src="static/images/coin21.png" />
</dd>
</dl>
<!-- 管理员信息管理 -->
<dl class="system_log">
<dt>
<img class="icon1" src="static/images/coin07.png" /> <img
class="icon2" src="static/images/coin08.png" /> 管理员信息管理 <img
class="icon3" src="static/images/coin19.png" /> <img
class="icon4" src="static/images/coin20.png" />
</dt>
<dd>
<img class="coin11" src="static/images/coin111.png" /> <img
class="coin22" src="static/images/coin222.png" /> <a
class="cks" href="admin.jsp" target="main">管理员信息查询</a> <img
class="icon5" src="static/images/coin21.png" />
</dd>
<dd>
<img class="coin11" src="static/images/coin111.png" /> <img
class="coin22" src="static/images/coin222.png" /> <a
class="cks" href="jumpAdminadd" target="main">添加管理员信息</a> <img
class="icon5" src="static/images/coin21.png" />
</dd>
</dl>
<!-- 院系信息管理-->
<dl class="system_log">
<dt>
<img class="icon1" src="static/images/coin07.png" /> <img
class="icon2" src="static/images/coin08.png" /> 院系信息管理 <img
class="icon3" src="static/images/coin19.png" /> <img
class="icon4" src="static/images/coin20.png" />
</dt>
<dd>
<img class="coin11" src="static/images/coin111.png" /> <img
class="coin22" src="static/images/coin222.png" /> <a
href="dept.jsp" target="main" class="cks">院系信息查询</a> <img
class="icon5" src="static/images/coin21.png" />
</dd>
<dd>
<img class="coin11" src="static/images/coin111.png" /> <img
class="coin22" src="static/images/coin222.png" /> <a
href="jumpDeptadd" target="main" class="cks">添加院系信息</a> <img
class="icon5" src="static/images/coin21.png" />
</dd>
</dl>
</c:if>
</div>
</div>
</body>
以下为效果图: 教师:
学生:
管理员:
此上就是效果图。