spring+srpingmvc+hibernate实现动态ztree生成树状图效果
ztree生成树状图
ztree官网
前台
导入js和css包
下载地址
前端页面ztree.jsp
<%@pagecontentType="text/html;charset=UTF-8"language="java"pageEncoding="UTF-8"isELIgnored="false"%>ztree //初始化 varsetting={ data:{ simpleData:{ enable:true } }, callback:{ beforeClick:beforeClick } }; //数据集 varzNodes=[ //根据这种格式生成树状图 //{id:1,pId:0,name:"河北省"}, //{id:12,pId:1,name:"石家庄"}, //{id:13,pId:1,name:"邢台"}, //{id:14,pId:1,name:"邯郸"}, //{id:2,pId:0,name:"北京市"}, //{id:22,pId:2,name:"海淀区"}, //{id:23,pId:2,name:"朝阳区"}, //{id:24,pId:2,name:"长安区"} ]; //点击后的操作 functionbeforeClick(treeId,treeNode,clickFlag){ //获取父窗口中id为Text1 varparentControl=parent.document.getElementById("Text1"); //把值设置为treeNode.name; parentControl.value=treeNode.name; } //访问控制层,获取数据。 $(document).ready(function(){ varurl="${pageContext.request.contextPath}/menu/findZtree"; $.getJSON(url,{},function(nodes){ //alert(nodes); console.log(JSON.stringify(nodes)); zNodes=nodes; $.fn.zTree.init($("#treeDemo"),setting,zNodes); }) });
后台
ztree所需实体类
packagecom.shp.dev.common; publicclassZtree{ privateStringid; privateStringpId; privateStringname; publicStringgetId(){ returnid; } publicvoidsetId(Stringid){ this.id=id; } publicStringgetpId(){ returnpId; } publicvoidsetpId(StringpId){ this.pId=pId; } publicStringgetName(){ returnname; } publicvoidsetName(Stringname){ this.name=name; } publicZtree(){ } publicZtree(Stringid,StringpId,Stringname){ this.id=id; this.pId=pId; this.name=name; } @Override publicStringtoString(){ return"Ztree{"+ "id='"+id+'\''+ ",pId='"+pId+'\''+ ",name='"+name+'\''+ '}'; } }
dao接口
packagecom.shp.dev.menu.dao; importcom.shp.dev.menu.pojo.Menu; importjava.util.List; publicinterfaceMenuDao{ List
dao的实现类
packagecom.shp.dev.menu.dao; importcom.shp.dev.menu.pojo.Menu; importorg.hibernate.SessionFactory; importorg.springframework.beans.factory.annotation.Autowired; importorg.springframework.stereotype.Repository; importjava.util.List; @Repository("menuDao") publicclassMenuDaoImplimplementsMenuDao{ @Autowired privateSessionFactorysessionFactory; @Override publicList
业务接口
packagecom.shp.dev.menu.service; importcom.shp.dev.menu.pojo.Menu; importjava.util.List; publicinterfaceMenuService{ List
业务实现层
packagecom.shp.dev.menu.service; importcom.shp.dev.menu.dao.MenuDao; importcom.shp.dev.menu.pojo.Menu; importcom.shp.dev.role.dao.RoleDao; importorg.springframework.beans.factory.annotation.Autowired; importorg.springframework.stereotype.Service; importorg.springframework.transaction.annotation.Transactional; importjava.util.List; @Service("menuService") publicclassMenuServiceImplimplementsMenuService{ //@Transactional(readOnly=true)//只读事务 //@Transactional(rollbackFor=Exception.class)//启动事务,所有异常都回滚 @Autowired privateMenuDaomenuDao; @Override @Transactional(readOnly=true)//只读事务 publicList
控制层
packagecom.shp.dev.menu.web; importcom.shp.dev.common.Ztree; importcom.shp.dev.menu.pojo.Menu; importcom.shp.dev.menu.service.MenuService; importorg.springframework.beans.factory.annotation.Autowired; importorg.springframework.stereotype.Controller; importorg.springframework.web.bind.annotation.RequestMapping; importorg.springframework.web.bind.annotation.ResponseBody; importjava.util.ArrayList; importjava.util.List; @Controller @RequestMapping("/menu") publicclassMenuController{ @Autowired privateMenuServicemenuService; @RequestMapping("/findZtree") @ResponseBody//返回json对象 publicListfindZtree(){ List menus=newArrayList (); List
总结
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