struts2+spring+hibernate3入门整合Demo

包及资源存放

lib下需要的包

web.xml配置

<?xml version="1.0" encoding="UTF-8"?><web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"><!-- 配置spring的监听器，用于初始化applicationcontext对象 --><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><context-param><param-name>contextConfigLocation</param-name><param-value>classpath:applicationContext*.xml</param-value></context-param><filter><filter-name>struts2</filter-name><filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class></filter><filter-mapping><filter-name>struts2</filter-name><url-pattern>/*</url-pattern></filter-mapping><listener><listener-class>cn.itcast.oa.listener.InitServletContextListener</listener-class></listener><welcome-file-list><welcome-file>index.jsp</welcome-file></welcome-file-list></web-app>

applicationContext.xml配置

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xmlns:context="http://www.springframework.org/schema/context"xmlns:tx="http://www.springframework.org/schema/tx"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsdhttp://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd"><!-- 自动扫描与装备bean --><context:component-scan base-package="cn.itcast.oa"></context:component-scan><!-- 加载外部的配置文件 --><context:property-placeholder location="classpath:jdbc.properties"/><!-- 配置数据库连接池 --><bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"><!-- 基本信息 --><property name="jdbcUrl" value="${jdbcUrl}"></property><property name="driverClass" value="${driverClass}"></property><property name="user" value="${user}"></property><property name="password" value="${password}"></property><!-- 其他配置信息 --><!--初始化时获取三个连接，取值应在minPoolSize与maxPoolSize之间。Default: 3 --><property name="initialPoolSize" value="3"></property><!--连接池中保留的最小连接数。Default: 3 --><property name="minPoolSize" value="3"></property><!--连接池中保留的最大连接数。Default: 15 --><property name="maxPoolSize" value="5"></property><!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3 --><property name="acquireIncrement" value="3"></property><!-- 控制数据源内加载的PreparedStatements数量。如果maxStatements与maxStatementsPerConnection均为0，则缓存被关闭。Default: 0 --><property name="maxStatements" value="8"></property><!-- maxStatementsPerConnection定义了连接池内单个连接所拥有的最大缓存statements数。Default: 0 --><property name="maxStatementsPerConnection" value="5"></property><!--最大空闲时间,1800秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 --><property name="maxIdleTime" value="1800"></property></bean><!-- 配置sessionFactory --><bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"><property name="dataSource" ref="dataSource"></property><property name="configLocation" value="classpath:hibernate.cfg.xml"></property></bean><!-- 配置声明式的事务管理（采用基于注解的方式） --><bean name="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager"><property name="sessionFactory" ref="sessionFactory"></property></bean><tx:annotation-driven transaction-manager="transactionManager"/></beans>

sruts2配置

<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE struts PUBLIC    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"    "http://struts.apache.org/dtds/struts-2.0.dtd"><struts><!-- 配置为开发模式,（开发模式的好处是，修改配置后不需要重启服务，而且能打印错误） --><constant name="struts.devMode" value="true" /><!-- 配置扩展名为action --><constant name="struts.action.extension" value="action" /><constant name="struts.ui.theme" value="simple" /><package name="default" namespace="/" extends="struts-default"><!-- 拦截器 --><interceptors><!-- 声明一个拦截器 --><interceptor name="checkePrivilege" class="cn.itcast.oa.Interceptor.CheckePrivilegeInterceptor"></interceptor><!-- 重写defaultStack --><interceptor-stack name="defaultStack"><interceptor-ref name="checkePrivilege"></interceptor-ref><interceptor-ref name="defaultStack"></interceptor-ref></interceptor-stack></interceptors><!-- 配置全局的result --><global-results> <result name="loginUI">/WEB-INF/jsp/userAction/loginUI.jsp</result> <result name="noPrivilegeError">/noPrivilegeError.jsp</result></global-results><!-- 测试用的action --><action name="test" class="testAction"><result name="success">/test.jsp</result></action><!-- 岗位 --><action name="roleAction_*" class="roleAction" method="{1}"><result name="list">/WEB-INF/jsp/roleAction/list.jsp</result><result name="addUI">/WEB-INF/jsp/roleAction/addUI.jsp</result><result name="editUI">/WEB-INF/jsp/roleAction/editUI.jsp</result><result name="setPrivilegeUI">/WEB-INF/jsp/roleAction/setPrivilegeUI.jsp</result><result name="toList" type="redirectAction">roleAction_list</result></action><!-- 部门 --><action name="departmentAction_*" class="departmentAction" method="{1}"><result name="list">/WEB-INF/jsp/departmentAction/list.jsp</result><result name="saveUI">/WEB-INF/jsp/departmentAction/saveUI.jsp</result><result name="toList" type="redirectAction">departmentAction_list?parentId=${parentId}</result></action><!-- 用户 --><action name="userAction_*" class="userAction" method="{1}"><result name="list">/WEB-INF/jsp/userAction/list.jsp</result><result name="saveUI">/WEB-INF/jsp/userAction/saveUI.jsp</result><result name="toList" type="redirectAction">userAction_list</result><result name="toIndex">/index.jsp</result><result name="logout">/WEB-INF/jsp/userAction/logout.jsp</result></action><!-- 主页 --><action name="homeAction_*" class="homeAction" method="{1}"><result name="{1}">/WEB-INF/jsp/homeAction/{1}.jsp</result></action></package></struts>

hibernate.xml配置

<!DOCTYPE hibernate-configuration PUBLIC"-//Hibernate/Hibernate Configuration DTD 3.0//EN""http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd"><hibernate-configuration><session-factory><!-- 数据库信息 --><property name="dialect">org.hibernate.dialect.MySQL5Dialect</property><!--<property name="dialect">org.hibernate.dialect.SQLServerDialect</property><property name="connection.url">jdbc:mysql:///gicasoftoa</property><property name="connection.driver_class">com.mysql.jdbc.Driver</property><property name="connection.username">root</property><property name="connection.password">root</property>--><!-- 其他配置信息 --><property name="show_sql">true</property><property name="hibernate.hbm2ddl.auto">update</property><!-- 映射配置 --><!--  --><mapping resource="cn/itcast/oa/domain/User.hbm.xml" /><mapping resource="cn/itcast/oa/domain/Role.hbm.xml" /><mapping resource="cn/itcast/oa/domain/Department.hbm.xml" /><mapping resource="cn/itcast/oa/domain/Privilege.hbm.xml" /></session-factory></hibernate-configuration>

jdbc.properties配置

jdbcUrl= jdbc:mysql:///gicasoftoa?userUnicode=true&characterEncoding=gbkdriverClass =com.mysql.jdbc.Driveruser= rootpassword=root

基础的baseDao接口类

package cn.itcast.oa.base;import java.util.List;/*** * 用户增删改查的基础类 *  * @author Administrator *  * @param <T> */public interface BaseDao<T> {/** * 保存实体 *  * @param entity */void save(T entity);/** * 按id号，删除实体 *  * @param id */void delete(Long id);/** * 更新实体 *  * @param entity *            实体 */void update(T entity);/** * 按单个id查询实体 *  * @param id *            传入需要删除的实体id * @return 返回实体 */T getById(Long id);/** * 查询实体返回list集合 *  * @param ids *            需要删除实体的id集合 * @return 返回list实体集合 */List<T> getByIds(Long[] ids);/** * 查询所有 *  * @return 返回list实体集合 */List<T> findAll();}

BaseDao的实现类BaseDaoImpl

package cn.itcast.oa.base.impl;import java.lang.reflect.ParameterizedType;import java.util.Collections;import java.util.List;import javax.annotation.Resource;import org.hibernate.Session;import org.hibernate.SessionFactory;import org.springframework.transaction.annotation.Transactional;import cn.itcast.oa.base.BaseDao;@Transactionalpublic abstract class BaseDaoImpl<T> implements BaseDao<T> {@Resourceprivate SessionFactory sessionFactory;protected Class<T> clazz;@SuppressWarnings("unchecked")public BaseDaoImpl() {// 通过反射得到T的真实类型ParameterizedType pt = (ParameterizedType) this.getClass().getGenericSuperclass();this.clazz = (Class<T>) pt.getActualTypeArguments()[0];System.out.println("className：" + this.clazz.getName());}public void save(T entity) {getSession().save(entity);}public void delete(Long id) {Object obj = getSession().get(clazz, id);getSession().delete(obj);}public void update(T entity) {getSession().update(entity);}@SuppressWarnings("unchecked")public T getById(Long id) {return (T) getSession().get(clazz, id);}@SuppressWarnings("unchecked")public List<T> getByIds(Long[] ids) {if (ids == null || ids.length == 0) {return Collections.EMPTY_LIST;}return getSession().createQuery(" FROM " + clazz.getSimpleName() + " where id in(:ids)").setParameterList("ids", ids).list();}@SuppressWarnings("unchecked")public List<T> findAll() {return getSession().createQuery("FROM " + clazz.getSimpleName()).list();}/** * 获取当前可用的session *  * @return */protected Session getSession() {return sessionFactory.getCurrentSession();}}

BaseAction类

package cn.itcast.oa.base;import java.lang.reflect.ParameterizedType;import javax.annotation.Resource;import cn.itcast.oa.service.DepartmentService;import cn.itcast.oa.service.PrivilegeService;import cn.itcast.oa.service.RoleService;import cn.itcast.oa.service.UserService;import com.opensymphony.xwork2.ActionSupport;import com.opensymphony.xwork2.ModelDriven;public abstract class BaseAction<T> extends ActionSupport implements ModelDriven<T> {private static final long serialVersionUID = 1L;@Resourceprotected RoleService roleService;@Resourceprotected DepartmentService departmentService;@Resourceprotected UserService userService;@Resourceprotected PrivilegeService privilegeSrvice;protected T model;@SuppressWarnings("unchecked")public BaseAction() {try {// 得到model的类型信息ParameterizedType pt = (ParameterizedType) this.getClass().getGenericSuperclass();Class clazz = (Class) pt.getActualTypeArguments()[0];// 通过反射生成model的实例model = (T) clazz.newInstance();} catch (Exception e) {throw new RuntimeException(e);}}public T getModel() {return model;}}

</pre>Department.java实体类<p></p><pre name="code" class="java">package cn.itcast.oa.domain;import java.io.Serializable;import java.util.HashSet;import java.util.Set;/*** * 部门 * @author Administrator * */public class Department implements Serializable{private Long id;private Set<User> users = new HashSet<User>();private Department parent;private Set<Department> children = new HashSet<Department>();private String name;private String description;public Long getId() {return id;}public void setId(Long id) {this.id = id;}public Set<User> getUsers() {return users;}public void setUsers(Set<User> users) {this.users = users;}public Department getParent() {return parent;}public void setParent(Department parent) {this.parent = parent;}public Set<Department> getChildren() {return children;}public void setChildren(Set<Department> children) {this.children = children;}public String getName() {return name;}public void setName(String name) {this.name = name;}public String getDescription() {return description;}public void setDescription(String description) {this.description = description;}}

service接口类

package cn.itcast.oa.service;import java.util.List;import cn.itcast.oa.base.BaseDao;import cn.itcast.oa.domain.Department;public interface DepartmentService extends BaseDao<Department>{/** *  * @return */List<Department> findTopList();List<Department> findChildren(Long parentId);}

service接口实现类

package cn.itcast.oa.service.impl;import java.util.List;import org.springframework.stereotype.Service;import cn.itcast.oa.base.impl.BaseDaoImpl;import cn.itcast.oa.domain.Department;import cn.itcast.oa.service.DepartmentService;@Servicepublic class DepartmentServiceImpl extends BaseDaoImpl<Department> implementsDepartmentService {public List<Department> findTopList() {return getSession().createQuery("from Department d where d.parent is null").list();}public List<Department> findChildren(Long parentId) {return getSession().createQuery(//"FROM Department d WHERE d.parent.id=?")//.setParameter(0, parentId)//.list();}}

action类

package cn.itcast.oa.view.action;import java.util.List;import javax.annotation.Resource;import org.springframework.context.annotation.Scope;import org.springframework.stereotype.Controller;import com.opensymphony.xwork2.ActionContext;import cn.itcast.oa.base.BaseAction;import cn.itcast.oa.base.ModelDrivenBaseAction;import cn.itcast.oa.domain.Department;import cn.itcast.oa.util.DepartmentUtil;@Controller@Scope("prototype")public class DepartmentAction extends BaseAction<Department>{private static final long serialVersionUID = 1L;private Long parentId;/** * 查询所有部门 * @return */public String list(){List<Department> departmentList = null;if(parentId==null){//顶级部门departmentList = departmentService.findTopList();}else{//子部门departmentList = departmentService.findChildren(parentId);Department parent = departmentService.getById(parentId);ActionContext.getContext().put("parent", parent);}ActionContext.getContext().put("departmentList", departmentList);return "list";}/** * 删除部门 * @return */public String delete(){departmentService.delete(model.getId());return "toList";}/** * 添加部门页面 * @return */public String addUI(){List<Department> topList = departmentService.findTopList();List<Department> departmentList= DepartmentUtil.getAllDepartments(topList);ActionContext.getContext().put("departmentList", departmentList);return "saveUI";}/** * 添加部门 * @return */public String add(){if(parentId!=null){model.setParent(departmentService.getById(parentId));}departmentService.save(model);return "toList";}/** * 修改部门页面 * @return */public String editUI(){List<Department> departmentList = departmentService.findAll();ActionContext.getContext().put("departmentList", departmentList);Department dp = departmentService.getById(model.getId());ActionContext.getContext().getValueStack().push(dp);return "saveUI";}/** * 修改部门 * @return */public String edit(){Department dp = departmentService.getById(model.getId());dp.setName(model.getName());dp.setDescription(model.getDescription());departmentService.update(dp);return "toList";}public Long getParentId() {return parentId;}public void setParentId(Long parentId) {this.parentId = parentId;}}