java之spring之整合ssh

这篇主要讲解spring + struts2 + hibernate ：

目录结构如下：

t_role

t_user

1.新建 web项目 ：spring_ssh

2.在 WebRoot/WEB-INF/lib 下 导入jar包

antlr-2.7.7.jar
aopalliance.jar
asm-3.3.jar
asm-commons-3.3.jar
asm-tree-3.3.jar
aspectjweaver.jar
commons-fileupload-1.2.2.jar
commons-io-2.0.1.jar
commons-lang3-3.1.jar
commons-logging.jar
dom4j-1.6.1.jar
freemarker-2.3.19.jar
hibernate-commons-annotations-4.0.5.Final.jar
hibernate-core-4.3.10.Final.jar
hibernate-jpa-2.1-api-1.0.0.Final.jar
jandex-1.1.0.Final.jar
javassist-3.18.1-GA.jar
jboss-logging-3.1.3.GA.jar
jboss-logging-annotations-1.2.0.Beta1.jar
jboss-transaction-api_1.2_spec-1.0.0.Final.jar
jstl-1.2.jar
mysql-connector-java-5.1.20-bin.jar
ognl-3.0.5.jar
spring-aop-4.1.6.RELEASE.jar
spring-aspects-4.1.6.RELEASE.jar
spring-beans-4.1.6.RELEASE.jar
spring-context-4.1.6.RELEASE.jar
spring-core-4.1.6.RELEASE.jar
spring-expression-4.1.6.RELEASE.jar
spring-jdbc-4.1.6.RELEASE.jar
spring-orm-4.1.6.RELEASE.jar
spring-tx-4.1.6.RELEASE.jar
spring-web-4.1.6.RELEASE.jar
struts2-core-2.3.4.jar
struts2-spring-plugin-2.3.4.jar
xwork-core-2.3.4.jar

3.编写vo类 :Role.java , User.java

Role.java

package cn.vincent.vo;

import java.io.Serializable;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;

@Entity
@Table(name="t_role")
public class Role implements Serializable {

    @Id
    @GeneratedValue(strategy=GenerationType.AUTO)
    private int id;
    private String name;
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }

}

User.java

package cn.vincent.vo;

import java.io.Serializable;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;

@Entity
@Table(name="t_user")
public class User implements Serializable {

    @Id
    @GeneratedValue(strategy=GenerationType.AUTO)
    private int id;
    private String name;
    private int age;
    @ManyToOne
    @JoinColumn(name="roleId")
    private Role role;
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
    public Role getRole() {
        return role;
    }
    public void setRole(Role role) {
        this.role = role;
    }

}

4.编写 dao

UserDao.java

package cn.vincent.dao;

import java.util.List;

import cn.vincent.vo.User;

public interface UserDao {
    public List<User> findAll();
}

UserDaoImpl.java

package cn.vincent.dao.impl;

import java.util.List;

import org.hibernate.SessionFactory;

import cn.vincent.dao.UserDao;
import cn.vincent.vo.User;

public class UserDaoImpl implements UserDao{

    private SessionFactory sessionFactory;

    @Override
    public List<User> findAll() {
        return sessionFactory.getCurrentSession()
                .createQuery("from User").list();
    }

    public void setSessionFactory(SessionFactory sessionFactory) {
        this.sessionFactory = sessionFactory;
    }

}

5.编写 service

UserService.java

package cn.vincent.service;

import java.util.List;

import cn.vincent.vo.User;

public interface UserService {

    public List<User> findAll();
}

UserServiceImpl.java

package cn.vincent.service.impl;

import java.util.List;

import cn.vincent.dao.UserDao;
import cn.vincent.service.UserService;
import cn.vincent.vo.User;

public class UserServiceImpl implements UserService {

    private UserDao userDao;
    @Override
    public List<User> findAll() {
        return userDao.findAll();
    }

    public void setUserDao(UserDao userDao) {
        this.userDao = userDao;
    }

}

6.编写 action

package cn.vincent.action;

import java.util.List;

import com.opensymphony.xwork2.Action;

import cn.vincent.service.UserService;
import cn.vincent.vo.User;

public class UserAction {

    private List<User> list;
    private UserService userService;

    public String list(){
        list = userService.findAll();
        return Action.SUCCESS;
    }

    public List<User> getList() {
        return list;
    }
    public void setList(List<User> list) {
        this.list = list;
    }
    public UserService getUserService() {
        return userService;
    }
    public void setUserService(UserService userService) {
        this.userService = userService;
    }

}

7.编写 spring 配置文件

applicationContext-dao.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.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">
  <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
      <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
      <property name="url" value="jdbc:mysql:///test"/>
      <property name="username" value="root"/>
      <property name="password" value="root"/>
  </bean>
  <!-- sessionFactory对象由spring来创建 -->
  <bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
      <property name="dataSource" ref="dataSource"/>
      <!-- 通用属性配置 -->
      <property name="hibernateProperties">
          <props>
              <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
              <prop key="hibernate.show_sql">true</prop>
              <prop key="hibernate.format_sql">true</prop>
          </props>
      </property>
      <!-- 配置映射文件 -->
      <property name="annotatedClasses">
          <array>
              <value>cn.vincent.vo.User</value>
              <value>cn.vincent.vo.Role</value>
          </array>
      </property>
  </bean>
  <!-- 配置声明式事务 -->
  <!-- 配置事务管理器 -->
  <bean id="txManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
      <property name="sessionFactory" ref="sessionFactory"></property>
  </bean>
  <!-- 配置事务通知 -->
  <tx:advice id="txAdvice" transaction-manager="txManager">
      <tx:attributes>
          <!-- 表示以save开头的方法都需要事务
          propagation  表示事务的传播特性
          REQUIRED  查看当前是否有事务，如果有，使用当前事务，如果没有开启新事务
          -->
          <tx:method name="save*" propagation="REQUIRED"/>
          <tx:method name="update*" propagation="REQUIRED"/>
          <tx:method name="find*" read-only="true"/>
          <tx:method name="*" propagation="REQUIRED"/>
      </tx:attributes>
  </tx:advice>
  <!-- 配置事务aop  -->
    <aop:config>
        <!--expression  指明事务在哪里起作用
        第一个* 表示所有返回值
        第二个* 表示所有类
        第三个* 表示类中的所有方法
        .. 表示所有参数
          -->
        <aop:pointcut expression="execution(* cn.vincent.service.impl.*.*(..))" id="pointcut"/>
        <aop:advisor advice-ref="txAdvice" pointcut-ref="pointcut"/>
    </aop:config>  

</beans>

applicationContext-asd.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.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">
  <bean id="userDao" class="cn.vincent.dao.impl.UserDaoImpl">
      <property name="sessionFactory" ref="sessionFactory"/>
  </bean>
  <bean id="userService" class="cn.vincent.service.impl.UserServiceImpl">
      <property name="userDao" ref="userDao"/>
  </bean>
  <bean id="userAction" class="cn.vincent.action.UserAction" scope="prototype">
      <property name="userService" ref="userService"></property>
  </bean>
 </beans>

8.编写 struts2 配置文件

struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
    "http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>
    <package name="default" namespace="/" extends="struts-default">
        <action name="list" class="userAction" method="list">
            <result>/list.jsp</result>
        </action>
    </package>
</struts>

9.编写 web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_9" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

    <!-- spring的配置   -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext-*.xml</param-value>
    </context-param>
    <!-- 监听器 启动spring容器 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <filter>
        <filter-name>osiv</filter-name>
        <filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>
        <init-param>
            <param-name>sessionFactoryBeanName</param-name>
            <param-value>sessionFactory</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>osiv</filter-name>
        <url-pattern>*.action</url-pattern>
    </filter-mapping>
    <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>

</web-app>

10.编写 jsp

<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<base href="<%=basePath%>">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>
用户管理</title>
</head>
<body>
    <table width="80%" align="center">
        <tr>
            <td>编号</td>
            <td>姓名</td>
            <td>年龄</td>
            <td>角色</td>
        </tr>
        <c:forEach items="${list }" var="bean">
        <tr>
            <td>${bean.id }</td>
            <td>${bean.name }</td>
            <td>
            ${bean.age }
            </td>
                <td>
            ${bean.role.name }
            </td>
        </tr>
        </c:forEach>
    </table>
</body>
</html>

11. 运行web项目

首先部署项目

访问地址如下：

至于访问地址为什么是这个，可以查看 java之struts框架入门教程  

github地址：https://github.com/Vincent-yuan/spring_ssh