权限模块__使用权限__实现主页面的效果
HomeAction.java
public class HomeAction extends ActionSupport {
public String index() {
return "index";
}
public String top() {
return "top";
}
public String bottom() {
return "bottom";
}
public String leaf() {
return "leaf";
}
public String right() {
return "right";
}
}
index.jsp
<%@ page language="java" pageEncoding="UTF-8"%>
<html>
<head>
<title>Itcast OA</title>
<%@ include file="/WEB-INF/jsp/public/commons.jspf"%>
<script type="text/javascript"
src="${pageContext.request.contextPath}/script/jquery_treeview/jquery.cookie.js"></script>
</head>
<frameset rows="100,*,25" framespacing=0 border=0 frameborder="0">
<frame noresize name="TopMenu" scrolling="no"
src="${pageContext.request.contextPath}/home_top.action">
<frameset cols="180,*" id="resize">
<frame noresize name="menu" scrolling="yes"
src="${pageContext.request.contextPath}/home_left.action">
<frame noresize name="right" scrolling="yes"
src="${pageContext.request.contextPath}/home_right.action">
</frameset>
<frame noresize name="status_bar" scrolling="no"
src="${pageContext.request.contextPath}/home_bottom.action">
</frameset>
<noframes>
<body>
</body>
</noframes>
</html>
top.jsp
bottom.jsp
<%@ page language="java" pageEncoding="UTF-8"%>
<html>
<head>
<title></title>
<LINK href="${pageContext.request.contextPath}/style/blue/statusbar.css" type=text/css rel=stylesheet>
</head>
<body leftmargin=0 topmargin=0 marginwidth=0 marginheight=0>
<div id="StatusBar">
<div id="Online">
在线人员：共 <span class="OnlineUser" id="onlineUserNum"></span> 人<span class="OnlineView">
<a href="javascript:void(0)">[查看在线名单]</a>
</span></div>
<div id="Info">
<a href="http://www.itcast.cn" title = "传智播客首页" target=_blank >传智播客首页</a> |
<a href="http://bbs.itcast.cn" title = "传智播客BBS" target=_blank >传智播客BBS</a>
</div>
<DIV id=DesktopText>
<a href="javascript:void(0)"><img border="0" src="${pageContext.request.contextPath}/style/images/top/text.gif"/> 便笺</a>
<span id=TryoutInfo>
</span>
<span id="Version">
<a href="javascript:void(0)">
<img border="0" width="11" height="11" src="${pageContext.request.contextPath}/style/images/top/help.gif" />
<img border="0" width="40" height="11" src="${pageContext.request.contextPath}/style/blue/images/top/version.gif" />
</a>
</span>
</DIV>
</div>
</body>
</html>
left.jsp
right.jsp
<%@ page language="java" pageEncoding="UTF-8"%>
<!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" />
<title>无标题文档</title>
</head>
<body>
</body>
</html>
WebRoot下的index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%-- 重定向到指定的页面,访问另外一个地址，request.getContextPath()加上当前应用程序名称
转发：相当于方法调用，在一个应用程序内执行
--%>
<%
response.sendRedirect(request.getContextPath() + "/home_index.action");
%>
再次访问首页http://localhost:8080/ItcastOA重定向到了http://localhost:8080/ItcastOA/home_index.action
权限模块_使用权限_显示左侧菜单1
<%@ page language="java" pageEncoding="UTF-8"%>
<html>
<head>
<title>导航菜单</title>
<%@ include file="/WEB-INF/jsp/public/commons.jspf"%>
<link type="text/css" rel="stylesheet" href="style/blue/menu.css" />
</head>
<body style="margin: 0">
<div id="Menu">
<ul id="MenuUl">
<%--显示一级菜单 --%>
<s:iterator value="#application.topPrivilegeList">
<li class="level1">
<div onClick="menuClick(this);" class="level1Style">
<img src="style/images/MenuIcon/FUNC20082.gif" class="Icon" />
${name}
</div>
<ul style="display: none;" class="MenuLevel2">
<%-- 显示二级菜单 --%>
<s:iterator value="children">
<li class="level2">
<div class="level2Style">
<img src="style/images/MenuIcon/menu_arrow_single.gif" />
<a target="right" href="System_Role/list.html"> 岗位管理</a>
</div>
</li>
</s:iterator>
</ul>
</li>
</s:iterator>
</ul>
</div>
</body>
</html>
InitListener.java
public class InitListener implements ServletContextListener {
//获取容器与相关的Service对象
public void contextInitialized(ServletContextEvent sce) {
ApplicationContext ac = WebApplicationContextUtils.getWebApplicationContext(sce.getServletContext());
PrivilegeService privilegeService = (PrivilegeService) ac.getBean("privilegeServiceImpl");
//找到所有的顶级列表，放到最大的作用域中
//准备数据：topPrivilegeList
List<Privilege> topPrivilegeList = privilegeService.findTopList();
sce.getServletContext().setAttribute("topPrivilegeList", topPrivilegeList);
System.out.println("-----------> 已准备数据 <-----------");
}
public void contextDestroyed(ServletContextEvent arg0) {
}
}
PrivilegeService.java
public interface PrivilegeService extends DaoSupport<Privilege> {
//查询所有顶级的权限
List<Privilege> findTopList();
}
PrivilegeServiceImpl.java
@Service
@Transactional
public class PrivilegeServiceImpl extends DaoSupportImpl<Privilege> implements PrivilegeService{
public List<Privilege> findTopList() {
return getSession().createQuery(//
"FROM Privilegea p WHERE p.parent IS NULL")//
.list();
}
}
web.xml增加
<!-- 用于做初始化工作的监听器，一定要配置到spring的 contextConfigLocation之后，因为要用到spring的容器对象-->
<listener>
<listener-class>cn.itcast.oa.util.InitListener</listener-class>
</listener>
懒加载
登录时加载了用户，用户关联的对象都没有加载，但在第二个请求又访问了用户关联的对象，抛懒加载异常
Privilege.hbm.xml
User.hbm.xml
Role.hbm.xml
访问http://localhost:8080/ItcastOA/home_index.action
全部显示
图标问题
打开收回
权限模块__使用权限__显示左侧菜单2__只显示有权限的菜单项
leaf.jsp
<%@ page language="java" pageEncoding="UTF-8"%>
<html>
<head>
<title>导航菜单</title>
<%@ include file="/WEB-INF/jsp/public/commons.jspf"%>
<link type="text/css" rel="stylesheet" href="style/blue/menu.css" />
<script type="text/javascript">
function menuClick(menu){
//$("#aa").hide();
//$("#aa").show();
$(menu).next().toggle();
}
</script>
</head>
<body style="margin: 0">
<div id="Menu">
<ul id="MenuUl">
<%--显示一级菜单 --%>
<s:iterator value="#application.topPrivilegeList">
<s:if test="#session.user.hasPrivilegeByName(name)"><!-- ognl表达式中调用方法 -->
<li class="level1">
<div onClick="menuClick(this);" class="level1Style">
<img src="style/images/MenuIcon/${id}.gif" class="Icon" />
${name}
</div>
<ul style="" class="MenuLevel2" id="aa">
<%-- 显示二级菜单 --%>
<s:iterator value="children">
<s:if test="#session.user.hasPrivilegeByName(name)">
<li class="level2">
<div class="level2Style">
<img src="style/images/MenuIcon/menu_arrow_single.gif" />
<a target="right" href="${pageContext.request.contextPath }${url}.action"> ${name}</a>
</div>
</li>
</s:if>
</s:iterator>
</ul>
</li>
</s:if>
</s:iterator>
</ul>
</div>
</body>
</html>
User.java中增加
/**
* 判定本用户是否有指定名称的权限
* @param name
* @return
*/
public boolean hasPrivilegeByName(String name) {
//超级管理员有所有的权限
if(ifAdmin()) {
return true;
}
//普通用户要判断是否含有这个权限
for(Role role : roles) {
for(Privilege priv : role.getPrivileges()) {
if(priv.getName().equals(name)) {
return true;
}
}
}
return false;
}
/**
* 判断本用户是否是超级管理员
*/
public boolean ifAdmin() {
return "admin".equals(loginName);
}
时间： 2024-10-11 22:19:24