使用struts-menu制作树型菜单实例 （转）
2012-09-21 17:59
316 查看
sql 代码
创建数据库表
CREATE TABLE `menu_item` (
`id` bigint(20) NOT NULL default '0',
`parent_name` varchar(30) default NULL,
`name` varchar(30) default NULL,
`title` varchar(30) default NULL,
`description` varchar(50) default NULL,
`location` varchar(255) default NULL,
`target` varchar(10) default NULL,
`onclick` varchar(100) default NULL,
`onmouseover` varchar(100) default NULL,
`onmouseout` varchar(100) default NULL,
`image` varchar(50) default NULL,
`altImage` varchar(30) default NULL,
`tooltip` varchar(100) default NULL,
`roles` varchar(100) default NULL,
`page` varchar(255) default NULL,
`width` varchar(5) default NULL,
`height` varchar(5) default NULL,
`forward` varchar(50) default NULL,
`action` varchar(50) default NULL,
PRIMARY KEY (`id`)
);
INSERT INTO menu_item (id, name, title) VALUES (1,'DatabaseMenu','Database Menu');
INSERT INTO menu_item (id, parent_name, name, title, location) VALUES (2,'DatabaseMenu','Yahoo','Yahoo Mail','http://mail.yahoo.com');
INSERT INTO menu_item (id, parent_name, name, title, location) VALUES(3,'DatabaseMenu','JavaBlogs','JavaBlogs','http://javablogs.com');
INSERT INTO menu_item (id, name, title, location) VALUES (4,'StandaloneMenu','Standalone Menu','http://raibledesigns.com');
struts-menu.tld<o:p></o:p>
struts-menu-el.tld<o:p></o:p>
menu-config.xml
放到 /WEB-INF/ 目录
struts-menu-2.3.jar<o:p></o:p>
velocity-1.4.jar<o:p></o:p>
velocity-tools-view-1.0.jar
<o:p>commons-lang-2.0.jar</o:p>
放到 /WEB-INF/lib/ 目录
globalMacros.vm放到 /src/ 目录
以上大多文件在下载的struts-menu里带了有
<o:p></o:p><o:p>
java 代码
public class FindAction extends Action {
public ActionForward execute(
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response) {
//创建
Session session=HibernateSessionFactory.getSession();
//创建事务
Transaction tx=session.beginTransaction();
//创建对话
Query query=session.createQuery("FROM MenuItem m order by id");
List list=query.list();
//事务提交
tx.commit();
if(list.size()<0)
return mapping.getInputForward();
MenuRepository repository = new MenuRepository();
HttpSession httpsession=(HttpSession)request.getSession();
ServletContext application=(ServletContext)httpsession.getServletContext();
MenuRepository defaultRepository = (MenuRepository)application.getAttribute(MenuRepository.MENU_REPOSITORY_KEY);
repository.setDisplayers(defaultRepository.getDisplayers());
for (int i=0; i < list.size(); i++) {
MenuComponent mc = new MenuComponent();
MenuItem mi=(MenuItem) list.get(i);
String name = mi.getName();
mc.setName(name);
String parent = (String) mi.getParentName();
System.out.println(name + ", parent is: " + parent);
if (parent != null) {
MenuComponent parentMenu = repository.getMenu(parent);
if (parentMenu == null) {
System.out.println("parentMenu '" + parent + "' doesn't exist!");
// create a temporary parentMenu
parentMenu = new MenuComponent();
parentMenu.setName(parent);
repository.addMenu(parentMenu);
}
mc.setParent(parentMenu);
}
String title = (String)mi.getTitle();
mc.setTitle(title);
String location = (String) mi.getLocation();
mc.setLocation(location);
repository.addMenu(mc);
}
request.setAttribute("repository", repository);
return mapping.findForward("okGo");
}
}
< /o:p>
<!---->
<head>
<title>Dynamic, Database-driven Menu</title>
<link rel="stylesheet" type="text/css" media="all"
href="<c:url value="/styles/menuExpandable.css"/>" />
<script type="text/javascript"
src="<c:url value="/scripts/menuExpandable.js"/>"></script>
<link rel="stylesheet" type="text/css" media="all"
href="<c:url value="/styles/xtree.css"/>" />
<script type="text/javascript"
src="<c:url value="/scripts/xtree.js"/>"></script>
<link rel="stylesheet" type="text/css" media="all"
href="<c:url value="/styles/global.css"/>" />
<script type="text/javascript">
/* Function for showing and hiding elements that use 'display:none' to hide */
function toggleDisplay(targetId) {
if (document.getElementById) {
target = document.getElementById(targetId);
if (target.style.display == "none"){
target.style.display = "";
} else {
target.style.display = "none";
}
}
}
</script>
</head>
<body>
<div class="dynamicMenu">
<menu:useMenuDisplayer name="ListMenu" repository="repository">
<menu:displayMenu name="DatabaseMenu"/>
<menu:displayMenu name="StandaloneMenu"/>
</menu:useMenuDisplayer>
</div>
<div class="dynamicMenu tree">
<script type="text/javascript">
<menu:useMenuDisplayer name="Velocity" config="/templates/xtree.html"
repository="repository">
<c:forEach var="menu" items="${repository.topMenus}">
<menu-el:displayMenu name="${menu.name}"/>
</c:forEach>
</menu:useMenuDisplayer>
</script>
</div>
</body>
java 代码
原文出处：/article/7513142.html
创建数据库表
CREATE TABLE `menu_item` (
`id` bigint(20) NOT NULL default '0',
`parent_name` varchar(30) default NULL,
`name` varchar(30) default NULL,
`title` varchar(30) default NULL,
`description` varchar(50) default NULL,
`location` varchar(255) default NULL,
`target` varchar(10) default NULL,
`onclick` varchar(100) default NULL,
`onmouseover` varchar(100) default NULL,
`onmouseout` varchar(100) default NULL,
`image` varchar(50) default NULL,
`altImage` varchar(30) default NULL,
`tooltip` varchar(100) default NULL,
`roles` varchar(100) default NULL,
`page` varchar(255) default NULL,
`width` varchar(5) default NULL,
`height` varchar(5) default NULL,
`forward` varchar(50) default NULL,
`action` varchar(50) default NULL,
PRIMARY KEY (`id`)
);
INSERT INTO menu_item (id, name, title) VALUES (1,'DatabaseMenu','Database Menu');
INSERT INTO menu_item (id, parent_name, name, title, location) VALUES (2,'DatabaseMenu','Yahoo','Yahoo Mail','http://mail.yahoo.com');
INSERT INTO menu_item (id, parent_name, name, title, location) VALUES(3,'DatabaseMenu','JavaBlogs','JavaBlogs','http://javablogs.com');
INSERT INTO menu_item (id, name, title, location) VALUES (4,'StandaloneMenu','Standalone Menu','http://raibledesigns.com');
struts-menu.tld<o:p></o:p>
struts-menu-el.tld<o:p></o:p>
menu-config.xml
放到 /WEB-INF/ 目录
struts-menu-2.3.jar<o:p></o:p>
velocity-1.4.jar<o:p></o:p>
velocity-tools-view-1.0.jar
<o:p>commons-lang-2.0.jar</o:p>
放到 /WEB-INF/lib/ 目录
globalMacros.vm放到 /src/ 目录
以上大多文件在下载的struts-menu里带了有
<o:p></o:p><o:p>
java 代码
public class FindAction extends Action {
public ActionForward execute(
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response) {
//创建
Session session=HibernateSessionFactory.getSession();
//创建事务
Transaction tx=session.beginTransaction();
//创建对话
Query query=session.createQuery("FROM MenuItem m order by id");
List list=query.list();
//事务提交
tx.commit();
if(list.size()<0)
return mapping.getInputForward();
MenuRepository repository = new MenuRepository();
HttpSession httpsession=(HttpSession)request.getSession();
ServletContext application=(ServletContext)httpsession.getServletContext();
MenuRepository defaultRepository = (MenuRepository)application.getAttribute(MenuRepository.MENU_REPOSITORY_KEY);
repository.setDisplayers(defaultRepository.getDisplayers());
for (int i=0; i < list.size(); i++) {
MenuComponent mc = new MenuComponent();
MenuItem mi=(MenuItem) list.get(i);
String name = mi.getName();
mc.setName(name);
String parent = (String) mi.getParentName();
System.out.println(name + ", parent is: " + parent);
if (parent != null) {
MenuComponent parentMenu = repository.getMenu(parent);
if (parentMenu == null) {
System.out.println("parentMenu '" + parent + "' doesn't exist!");
// create a temporary parentMenu
parentMenu = new MenuComponent();
parentMenu.setName(parent);
repository.addMenu(parentMenu);
}
mc.setParent(parentMenu);
}
String title = (String)mi.getTitle();
mc.setTitle(title);
String location = (String) mi.getLocation();
mc.setLocation(location);
repository.addMenu(mc);
}
request.setAttribute("repository", repository);
return mapping.findForward("okGo");
}
}
< /o:p>
<!---->
<head>
<title>Dynamic, Database-driven Menu</title>
<link rel="stylesheet" type="text/css" media="all"
href="<c:url value="/styles/menuExpandable.css"/>" />
<script type="text/javascript"
src="<c:url value="/scripts/menuExpandable.js"/>"></script>
<link rel="stylesheet" type="text/css" media="all"
href="<c:url value="/styles/xtree.css"/>" />
<script type="text/javascript"
src="<c:url value="/scripts/xtree.js"/>"></script>
<link rel="stylesheet" type="text/css" media="all"
href="<c:url value="/styles/global.css"/>" />
<script type="text/javascript">
/* Function for showing and hiding elements that use 'display:none' to hide */
function toggleDisplay(targetId) {
if (document.getElementById) {
target = document.getElementById(targetId);
if (target.style.display == "none"){
target.style.display = "";
} else {
target.style.display = "none";
}
}
}
</script>
</head>
<body>
<div class="dynamicMenu">
<menu:useMenuDisplayer name="ListMenu" repository="repository">
<menu:displayMenu name="DatabaseMenu"/>
<menu:displayMenu name="StandaloneMenu"/>
</menu:useMenuDisplayer>
</div>
<div class="dynamicMenu tree">
<script type="text/javascript">
<menu:useMenuDisplayer name="Velocity" config="/templates/xtree.html"
repository="repository">
<c:forEach var="menu" items="${repository.topMenus}">
<menu-el:displayMenu name="${menu.name}"/>
</c:forEach>
</menu:useMenuDisplayer>
</script>
</div>
</body>
java 代码
原文出处：/article/7513142.html
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