完整的SSH案例

2024-11-12 技术教程

目录结构

action类

DeleteUserAction

packageaction;

importservice.UserService;

importbean.User;

importcom.opensymphony.xwork2.ActionSupport;

publicclass DeleteUserAction extends ActionSupport {

/**

private static final longserialVersionUID = 1L;

private User user = new User();

private UserService userService;

public User getUser() {

return user;

}

public void setUser(User user) {

this.user = user;

}

public UserService getUserService() {

return userService;

}

public void setUserService(UserServiceuserService) {

this.userService =userService;

}

@Override

public String execute() throwsException {

System.out.println("-------UserAction.deleteUser-----------"

+user.getFirstName());

this.userService.delete(user);

return "SUCCESS";

}

ListUserAction

package action;

import java.util.Map;

import com.opensymphony.xwork2.ActionContext;

import com.opensymphony.xwork2.ActionSupport;

import service.UserService;

public class ListUserAction extends ActionSupport {

private static final long serialVersionUID = 1L;

private UserService userService;

public UserService getUserService() {

return userService;

}

public void setUserService(UserService userService) {

this.userService = userService;

}

@SuppressWarnings("unchecked")

@Override

public String execute() throws Exception {

System.out.println("-------UserAction.ListUser-----------");

Map request = (Map)ActionContext.getContext().get("request");

request.put("list", this.userService.findAllUsers());

System.out.println(3);

return "SUCCESS";

}

SaveUserAction

packageaction;

importservice.UserService;

importbean.User;

importcom.opensymphony.xwork2.ActionSupport;

publicclass SaveUserAction extends ActionSupport {

private static final long serialVersionUID= 1L;

private User user;

private UserService userService;

public UserService getUserService() {

return userService;

}

public void setUserService(UserServiceuserService) {

this.userService = userService;

}

public User getUser() {

return user;

}

public void setUser(User user) {

this.user = user;

}

@Override

public String execute() throws Exception {

// 调用service相关的方法，完成实际的业务处理

System.out.println("-------UserAction.SaveUser-----------"+user.getFirstName());

this.userService.doCreateUser(user);

return "SUCCESS";

}

UpdatePUser

packageaction;

importjava.util.Map;

importservice.UserService;

importbean.User;

import com.opensymphony.xwork2.ActionContext;

importcom.opensymphony.xwork2.ActionSupport;

publicclass UpdatePUser extends ActionSupport {

private static final long serialVersionUID= 1L;

private User user=new User();

private UserService userService;

public User getUser() {

return user;

}

public void setUser(User user) {

this.user = user;

}

public UserService getUserService() {

return userService;

}

public void setUserService(UserServiceuserService) {

this.userService = userService;

}

@Override

public String execute() throws Exception {

System.out.println("-------UserAction.UpdatePUser-----------"+user.getId());

Map request = (Map)ActionContext.getContext().get("request");

request.put("list",this.userService.findUserById(user.getId()));

return "SUCCESS";

}

UpdateUserAction

packageaction;

importservice.UserService;

importbean.User;

importcom.opensymphony.xwork2.ActionSupport;

publicclass UpdateUserAction extends ActionSupport {

private User user = new User();

private UserService userService;

public User getUser() {

return user;

}

public void setUser(User user) {

this.user = user;

}

public UserService getUserService() {

return userService;

}

public void setUserService(UserServiceuserService) {

this.userService =userService;

}

@Override

public String execute() throwsException {

System.out.println("-------UserAction.UpdateUser-----------"

+user.getFirstName());

this.userService.update(this.user);

return "SUCCESS";

}

Bean类

package bean;

public class User {

private int id;

private String firstName;

private String lastName;

private int age;

public int getId() {

return id;

}

public void setId(int id) {

this.id = id;

}

public String getFirstName() {

return firstName;

}

public void setFirstName(String firstName) {

this.firstName = firstName;

}

public String getLastName() {

return lastName;

}

public void setLastName(String lastName) {

this.lastName = lastName;

}

public int getAge() {

return age;

}

public void setAge(int age) {

this.age = age;

}

@Override

public String toString() {

return "ID: " + id + "FirstName: " + firstName;

}

User.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 name="bean.User" table="tb_users">

<id name="id"></id>

<property name="firstName" />

<property name="lastName" />

<property name="age" />

</class>

</hibernate-mapping>

Dao类

package dao;

import java.util.List;

import bean.User;

public interface UserDAO {

public void doCreateUser(User user);

public List<User>findAllUsers();

public void removeUser(Useruser);

public void updateUser(Useruser);

public List<User>findUserById(int id);

}

package dao;

import java.util.List;

import org.hibernate.Query;

import org.hibernate.Session;

import org.hibernate.SessionFactory;

import bean.User;

public class UserDAOImpl implements UserDAO {

private SessionFactorysessionFactory;

public voidsetSessionFactory(SessionFactory sessionFactory) {

this.sessionFactory= sessionFactory;

}

public Session getSession() {

returnsessionFactory.getCurrentSession();

}

@Override

public void doCreateUser(Useruser) {

// TODOAuto-generated method stub

System.out.println("-------UserDaoImp.doCreateUser-----------"

+user.getFirstName());

System.out.println("id"+ user.getId());

System.out.println("firstname"+ user.getFirstName());

System.out.println("lastname"+ user.getLastName());

System.out.println("age"+ user.getAge());

getSession().save(user);

}

@Override

public List<User>findAllUsers() {

// TODOAuto-generated method stub

String hql ="from User u order by u.id asc";

System.out.println(1);

Query query =getSession().createQuery(hql);

System.out.println(2);

List<User>list = query.list();

return list;

}

@Override

public void removeUser(Useruser) {

// TODOAuto-generated method stub

System.out.println("-------UserDaoImp.removeUser-----------"

+user.getFirstName());

getSession().delete(user);

}

@Override

public void updateUser(Useruser) {

// TODOAuto-generated method stub

System.out.println("-------UserDaoImp.updateUser-----------"

+user.getFirstName());

getSession().update(user);

}

@Override

public List<User>findUserById(int id) {

// TODO Auto-generatedmethod stub

System.out.println("-------UserDaoImp.findUserById-----------"+ id);

String hql ="from User u where u.id=:id order by u.id asc";

Query query =getSession().createQuery(hql);

query.setInteger("id",id);

List<User>list = query.list();

return list;

}

Service类

package service;

import java.util.List;

import bean.User;

public interface UserService {

public void doCreateUser(Useruser);

public List<User>findAllUsers();

public void delete(Useruser);

public void update(Useruser);

public List<User>findUserById(int id);

}

package service;

import java.util.List;

import dao.UserDAO;

import bean.User;

public class UserServiceImpl implements UserService {

private UserDAO dao;

public UserDAO getDao() {

return dao;

}

public void setDao(UserDAOdao) {

this.dao = dao;

}

public voiddoCreateUser(User user) {

System.out.println("-------UserService.doCreateUser-----------"+user.getFirstName());

this.dao.doCreateUser(user);

}

public List<User>findAllUsers() {

System.out.println("-------UserService.findAllUsers-----------");

returnthis.dao.findAllUsers();

}

public void delete(Useruser) {

System.out.println("-------UserService.deleteUser-----------"+user.getFirstName());

this.dao.removeUser(user);

}

public void update(Useruser) {

System.out.println("-------UserService.updateUser-----------"+user.getFirstName());

this.dao.updateUser(user);

}

public List<User>findUserById(int id) {

System.out.println("-------UserService.findUserById-----------"+id);

returnthis.dao.findUserById(id);

}

applicationContext.xml

<?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:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"

xsi:schemaLocation="http://www.springframework.org/schema/beans

http://www.springframework.org/schema/beans/spring-beans.xsd

http://www.springframework.org/schema/context

http://www.springframework.org/schema/context/spring-context.xsd

http://www.springframework.org/schema/aop

http://www.springframework.org/schema/aop/spring-aop.xsd

http://www.springframework.org/schema/tx

http://www.springframework.org/schema/tx/spring-tx.xsd">

<context:property-placeholder location="classpath:jdbc.properties" />

<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">

<property name="driverClass" value="${jdbc.driver}" />

<property name="jdbcUrl" value="${jdbc.url}" />

<property name="user" value="${jdbc.user}" />

<property name="password" value="${jdbc.password}" />

</bean>

<bean id="sessionFactory"

class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">

<property name="dataSource" ref="dataSource"></property>

<property name="hibernateProperties">

<props>

<prop key="hibernate.dialect">org.hibernate.dialect.OracleDialect</prop>

<prop key="hibernate.show_sql">true</prop>

<prop key="hibernate.format_sql">true</prop>

<prop key="hibernate.hbm2ddl.auto">update</prop>

<prop key="hibernate.connection.autocommit">false</prop>

</props>

</property>

<property name="mappingResources">

<list>

<value>bean/User.hbm.xml</value>

</list>

</property>

<!-- <propertyname="mappingDirectoryLocations">

<list>

<value>classpath:vo</value>

</list>

</property>-->

</bean>

<bean id="userDAO" class="dao.UserDAOImpl" scope="singleton">

<property name="sessionFactory" ref="sessionFactory">

</property>

</bean>

<bean id="userServiceTarget" class="service.UserServiceImpl"

scope="singleton">

<property name="dao" ref="userDAO" />

</bean>

<bean id="userService"

class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">

<property name="target" ref="userServiceTarget">

</property>

<property name="transactionManager" ref="transactionManager">

</property>

<property name="transactionAttributes">

<props>

<prop key="find*">PROPAGATION_REQUIRED,readOnly</prop>

<prop key="*">PROPAGATION_REQUIRED</prop>

</props>

</property>

</bean>

<bean id="saveUserAction" class="action.SaveUserAction" scope="prototype">