结构图

articles模块

实体类Articles.java

package com.jt.articles.entity;

public class Articles {

    private Integer id;

    private String title;

    private String body;

    public Integer getId() {

        return id;

    }

    public void setId(Integer id) {

        this.id = id;

    }

    public String getTitle() {

        return title;

    }

    public void setTitle(String title) {

        this.title = title;

    }

    public String getBody() {

        return body;

    }

    public void setBody(String body) {

        this.body = body;

    }

    @Override

    public String toString() {

        return "Articles [id=" + id + ", title=" + title + ", body=" + body + "]";

    }

}

实体类映射文件articles.hbm.xml

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE hibernate-mapping PUBLIC

    "-//Hibernate/Hibernate Mapping DTD 3.0//EN"

    "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping>

    <class table="t_vue_articles" name="com.jt.articles.entity.Articles">

        <id name="id" type="java.lang.Integer" column="id">

            <generator class="increment"></generator>

        </id>

        <property name="title" type="java.lang.String" column="title"></property>

        <property name="body" type="java.lang.String" column="body"></property>

    </class>

</hibernate-mapping>

ArticlesBiz.java

package com.jt.articles.biz;

import java.util.List;

import com.jt.articles.entity.Articles;

import com.jt.base.util.PageBean;

public interface ArticlesBiz {

     /**

     * 新增

     * @param articles

     * @return

     */

    public int add(Articles articles);

    /**

     * 修改

     * @param articles

     */

    public void update(Articles articles);

    /**

     * 删除

     * @param articles

     */

    public void del(Articles articles);

    /**

     * 查询

     * @param articles

     * @param pageBean

     * @return

     */

    public List<Articles> list(Articles articles,PageBean pageBean);

}

ArticlesBizImpl.java

package com.jt.articles.biz.impl;

import java.util.List;

import com.jt.articles.biz.ArticlesBiz;

import com.jt.articles.dao.ArticlesDao;

import com.jt.articles.entity.Articles;

import com.jt.base.util.PageBean;

public class ArticlesBizImpl implements ArticlesBiz{

    private ArticlesDao articlesDao;

    public ArticlesDao getArticlesDao() {

        return articlesDao;

    }

    public void setArticlesDao(ArticlesDao articlesDao) {

        this.articlesDao = articlesDao;

    }

    @Override

    public int add(Articles articles) {

        return articlesDao.add(articles);

    }

    @Override

    public void update(Articles articles) {

        articlesDao.update(articles);

    }

    @Override

    public void del(Articles articles) {

        articlesDao.del(articles);

    }

    @Override

    public List<Articles> list(Articles articles, PageBean pageBean) {

        // TODO Auto-generated method stub

        return articlesDao.list(articles, pageBean);

    }

}

ArticlesDao.java

package com.jt.articles.dao;

import java.util.List;

import org.hibernate.Session;

import com.jt.articles.entity.Articles;

import com.jt.base.dao.BaseDao;

import com.jt.base.util.PageBean;

public class ArticlesDao extends BaseDao{

    private static final long serialVersionUID = -6077790395680289782L;

    /**

     * 新增

     * @param articles

     * @return

     */

    public int add(Articles articles) {

        return (int) this.getHibernateTemplate().save(articles);

    }

    /**

     *

     * 删除

     * @param articles

     */

    public void del(Articles articles) {

        this.getHibernateTemplate().delete(articles);

    }

    /**

     * 修改

     * @param articles

     */

    public void update(Articles articles) {

        this.getHibernateTemplate().update(articles);

    }

    /**

     * 查询

     * @param articles

     * @param pageBean

     * @return

     */

    public List<Articles> list(Articles articles, PageBean pageBean){

        Session session = this.getHibernateTemplate().getSessionFactory().openSession();

        session.beginTransaction();

        return super.executeQuery(session, "from Articles", null,pageBean);

     }

}

ArticlesAction.java

package com.jt.articles.web;

import com.jt.articles.biz.ArticlesBiz;

import com.jt.articles.entity.Articles;

import com.jt.base.web.BaseAction;

import com.opensymphony.xwork2.ModelDriven;

public class ArticlesAction extends BaseAction implements ModelDriven<Articles>{

    private static final long serialVersionUID = 5943402081349505372L;

    private ArticlesBiz articlesBiz;

    private Articles articles =new Articles();

    public ArticlesBiz getArticlesBiz() {

        return articlesBiz;

    }

    public void setArticlesBiz(ArticlesBiz articlesBiz) {

        this.articlesBiz = articlesBiz;

    }

    /**

     * 查询

     * @return

     */

    public String list() {

        System.out.println(articlesBiz.list(articles, null));

        return null;

    }

    /**

     * 删除

     */

    public void del() {

        articlesBiz.del(articles);

    }

    /**

     * 修改

     * @return

     */

    public String update() {

        articlesBiz.update(articles);

        return null;

    }

    /**

     * 新增

     * @return

     */

    public String add() {

        articlesBiz.add(articles);

        return null;

    }

    @Override

    public Articles getModel() {

        // TODO Auto-generated method stub

        return articles;

    }

}

User模块

User.java

package com.jt.user.entity;

public class User {

    private String uname;

    private String pwd;

    public String getUname() {

        return uname;

    }

    public void setUname(String uname) {

        this.uname = uname;

    }

    public String getPwd() {

        return pwd;

    }

    public void setPwd(String pwd) {

        this.pwd = pwd;

    }

    @Override

    public String toString() {

        return "User [uname=" + uname + ", pwd=" + pwd + "]";

    }

}

实体类映射文件

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE hibernate-mapping PUBLIC

    "-//Hibernate/Hibernate Mapping DTD 3.0//EN"

    "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping>

    <class table="t_vue_user" name="com.jt.user.entity.User">

        <id name="uname" type="java.lang.String" column="uname">

            <generator class="assigned"></generator>

        </id>

        <property name="pwd" type="java.lang.String" column="pwd"></property>

    </class>

</hibernate-mapping>

UserBiz.java

package com.jt.user.biz;

import com.jt.user.entity.User;

public interface UserBiz {

    /**

     * 登录

     * @param user

     * @return

     */

    public User login(User user);

    /**

     * 注册

     * @param user

     * @return

     */

    public int addUser(User user);

}

UserBizImpl.java

package com.jt.user.biz.impl;

import com.jt.user.biz.UserBiz;

import com.jt.user.dao.UserDao;

import com.jt.user.entity.User;

public class UserBizImpl implements UserBiz{

    private UserDao userDao;

    public UserDao getUserDao() {

        return userDao;

    }

    public void setUserDao(UserDao userDao) {

        this.userDao = userDao;

    }

    @Override

    public User login(User user) {

        return userDao.login(user);

    }

    @Override

    public int addUser(User user) {

        return userDao.addUser(user);

    }

}

UserDao.java

package com.jt.user.dao;

import org.hibernate.HibernateException;

import org.hibernate.Session;

import org.springframework.orm.hibernate5.HibernateCallback;

import com.jt.base.dao.BaseDao;

import com.jt.user.entity.User;

public class UserDao extends BaseDao{

    private static final long serialVersionUID = 3670806315799801488L;

    public User login(User user) {

        return this.getHibernateTemplate().execute(new HibernateCallback<User>() {

            @Override

            public User doInHibernate(Session session) throws HibernateException {

                return (User) session.createQuery("from User where uname= '"+user.getUname()+"' and pwd= "+user.getPwd()).list();

            }

        });

    }

    public int addUser(User user) {

        return (int) this.getHibernateTemplate().save(user);

    }

}

UserAction.java

package com.jt.user.web;

import com.jt.base.web.BaseAction;

import com.jt.user.biz.UserBiz;

import com.jt.user.entity.User;

import com.opensymphony.xwork2.ModelDriven;

public class UserAction extends BaseAction implements ModelDriven<User>{

    private static final long serialVersionUID = 4244808665377509950L;

    private UserBiz userBiz;

    private User user=new User();

    public UserBiz getUserBiz() {

        return userBiz;

    }

    public void setUserBiz(UserBiz userBiz) {

        this.userBiz = userBiz;

    }

    /**

     * 登录

     * @return

     */

    public String login() {

        userBiz.login(user);

        return null;

    }

    /**

     * 注册

     * @return

     */

    public String addUser() {

        userBiz.addUser(user);

        return null;

    }

    @Override

    public User getModel() {

        // TODO Auto-generated method stub

        return user;

    }

}

tree_node模块

TreeNode.java

package com.jt.tree_node.entity;

import java.util.HashSet;

import java.util.Set;

public class TreeNode {

    private Integer nodeId;

    private String nodeName;

    private Integer treeNodeType;

    private Integer position;

    private String url;

    // 关联父节点

    private TreeNode parent;

    // 关联子节点"们"

    private Set<TreeNode> children = new HashSet<TreeNode>();

    // 加载方式（1强制加载关联，0懒加载）

    private Integer initChildren = ;

    public Integer getNodeId() {

        return nodeId;

    }

    public void setNodeId(Integer nodeId) {

        this.nodeId = nodeId;

    }

    public String getNodeName() {

        return nodeName;

    }

    public void setNodeName(String nodeName) {

        this.nodeName = nodeName;

    }

    public Integer getTreeNodeType() {

        return treeNodeType;

    }

    public void setTreeNodeType(Integer treeNodeType) {

        this.treeNodeType = treeNodeType;

    }

    public Integer getPosition() {

        return position;

    }

    public void setPosition(Integer position) {

        this.position = position;

    }

    public String getUrl() {

        return url;

    }

    public void setUrl(String url) {

        this.url = url;

    }

    public TreeNode getParent() {

        return parent;

    }

    public void setParent(TreeNode parent) {

        this.parent = parent;

    }

    public Set<TreeNode> getChildren() {

        return children;

    }

    public void setChildren(Set<TreeNode> children) {

        this.children = children;

    }

    public Integer getInitChildren() {

        return initChildren;

    }

    public void setInitChildren(Integer initChildren) {

        this.initChildren = initChildren;

    }

}

treeNode.hbm.xml

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE hibernate-mapping PUBLIC

    "-//Hibernate/Hibernate Mapping DTD 3.0//EN"

    "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping>

    <class table="t_vue_tree_node" name="com.jt.tree_node.entity.TreeNode">

         <id name="nodeId" type="java.lang.Integer" column="tree_node_id">

            <generator class="increment" />

        </id>

        <property name="nodeName" type="java.lang.String"

                  column="tree_node_name">

        </property>

        <property name="treeNodeType" type="java.lang.Integer"

                  column="tree_node_type">

        </property>

        <property name="position" type="java.lang.Integer"

                  column="position">

        </property>

        <property name="url" type="java.lang.String"

                  column="url">

        </property>

        <!--

            parent定义了管理树形

            column中指定了通过那个列段来关联 对应的是当前表的主键

         -->

        <many-to-one name="parent" class="com.jt.tree_node.entity.TreeNode" column="parent_node_id"/>

        <!--

            这是定义子节点关联

         -->

        <set name="children" cascade="save-update" inverse="true">

            <!--凡是parent_node_id是当前节点的tree_node_id的就统统加入集合-->

            <key column="parent_node_id"></key>

            <one-to-many class="com.jt.tree_node.entity.TreeNode"/>

        </set>

    </class>

</hibernate-mapping>

TreeNodeBiz.java

package com.jt.tree_node.biz;

import java.util.List;

import com.jt.tree_node.entity.TreeNode;

public interface TreeNodeBiz {

     /**

     * 加载树

     * @return

     */

    public List<TreeNode> list();

}

TreeNodBizImpl.java

package com.jt.tree_node.biz.impl;

import java.util.List;

import com.jt.tree_node.biz.TreeNodeBiz;

import com.jt.tree_node.dao.TreeNodeDao;

import com.jt.tree_node.entity.TreeNode;

public class TreeNodBizImpl implements TreeNodeBiz{

    private TreeNodeDao treeNodeDao;

    public TreeNodeDao getTreeNodeDao() {

        return treeNodeDao;

    }

    public void setTreeNodeDao(TreeNodeDao treeNodeDao) {

        this.treeNodeDao = treeNodeDao;

    }

    @Override

    public List<TreeNode> list() {

        // TODO Auto-generated method stub

        return treeNodeDao.list();

    }

}

TreeNodeDao.java

package com.jt.tree_node.dao;

import java.util.List;

import org.hibernate.Hibernate;

import org.hibernate.Session;

import com.jt.base.dao.BaseDao;

import com.jt.tree_node.entity.TreeNode;

public class TreeNodeDao extends BaseDao{

    private static final long serialVersionUID = -4339387396332761044L;

    public List<TreeNode> list(){

        Session session = this.getHibernateTemplate().getSessionFactory().openSession();

        session.beginTransaction();

        //这是最好的做做法 非常好 使用 hql语句进行查询

        List<TreeNode> treeNodes =  super.executeQuery(session, "from TreeNode where treeNodeType = 1", null,null);

        //进行强子加载子节点

        if (treeNodes != null && treeNodes.size() > ) {

            for (TreeNode t : treeNodes) {

                //强制加载子节点

                Hibernate.initialize(t.getChildren());

            }

        }

        return treeNodes;

    }

}

TreeNodeAction.java

package com.jt.tree_node.web;

import java.util.List;

import com.jt.base.web.BaseAction;

import com.jt.tree_node.biz.TreeNodeBiz;

import com.jt.tree_node.entity.TreeNode;

public class TreeNodeAction extends BaseAction{

    private static final long serialVersionUID = -6038611615430719428L;

    private TreeNodeBiz treeNodeBiz;

    public TreeNodeBiz getTreeNodeBiz() {

        return treeNodeBiz;

    }

    public void setTreeNodeBiz(TreeNodeBiz treeNodeBiz) {

        this.treeNodeBiz = treeNodeBiz;

    }

    public String list() {

         List<TreeNode> list = treeNodeBiz.list();

         System.out.println("我是长度" + list.size());

         TreeNode node = list.get();

         System.out.println(node);

         System.out.println(node.getChildren());

         for (TreeNode n: node.getChildren()) {

             System.out.println("我是子节点：" + n.getNodeName());

         }

        return null;

    }

}

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