SSH整合入门案例

package loaderman.action;

import java.util.Map;

import com.opensymphony.xwork2.ActionContext;

import com.opensymphony.xwork2.ActionSupport;

import loaderman.entity.Employee;

import loaderman.service.EmployeeService;

public class EmployeeAction extends ActionSupport{

    // IOC容器注入

    private EmployeeService employeeService;

    public void setEmployeeService(EmployeeService employeeService) {

        this.employeeService = employeeService;

    }

    @Override

    public String execute(){

        int empid = 17;

        // 调用Service

        Employee emp = employeeService.findById(empid);

        // 保存到request

        Map<String,Object> request = (Map<String, Object>) ActionContext.getContext().get("request");

        request.put("emp", emp);

        return SUCCESS;

    }

}

package loaderman.dao;

import java.io.Serializable;

import loaderman.entity.Employee;

import org.hibernate.SessionFactory;

public class EmployeeDao {

    // 注入SessionFactory对象

    private SessionFactory sessionFactory;

    public void setSessionFactory(SessionFactory sessionFactory) {

        this.sessionFactory = sessionFactory;

    }

    /**

     * 查询

     * @param emp

     */

    public Employee findById(Serializable id) {

        return (Employee) sessionFactory.getCurrentSession().get(Employee.class, id);

    }

}

package loaderman.entity;

public class Dept {

    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;

    }

}

package loaderman.entity;

public class Employee {

    private int id;

    private String empName;

    private double salary;

    private Dept dept;

    public int getId() {

        return id;

    }

    public void setId(int id) {

        this.id = id;

    }

    public String getEmpName() {

        return empName;

    }

    public void setEmpName(String empName) {

        this.empName = empName;

    }

    public double getSalary() {

        return salary;

    }

    public void setSalary(double salary) {

        this.salary = salary;

    }

    public Dept getDept() {

        return dept;

    }

    public void setDept(Dept dept) {

        this.dept = dept;

    }

}

<?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 package="loaderman.entity">

    <class name="Dept" table="t_dept">

        <id name="id" column="deptId">

            <generator class="native"></generator>

        </id>

        <property name="name" column="deptName"></property>

    </class>

</hibernate-mapping>

<?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 package="loaderman.entity">

    <class name="Employee" table="t_employee">

        <id name="id" column="empId">

            <generator class="native"></generator>

        </id>

        <property name="empName"></property>

        <property name="salary"></property>

        <!-- 多对一 -->

        <many-to-one name="dept" column="dept_id" class="Dept"></many-to-one>

    </class>

</hibernate-mapping>

package loaderman.service;

import java.io.Serializable;

import loaderman.dao.EmployeeDao;

import loaderman.entity.Employee;

import org.hibernate.SessionFactory;

public class EmployeeService {

    // IOCע��

    private EmployeeDao employeeDao;

    public void setEmployeeDao(EmployeeDao employeeDao) {

        this.employeeDao = employeeDao;

    }

    /**

     * @param

     */

    public Employee findById(Serializable id) {

        Employee emp = employeeDao.findById(id);

        return emp;

    }

}

<?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:p="http://www.springframework.org/schema/p"

    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">

    <bean id="employeeAction" class="loaderman.action.EmployeeAction" scope="prototype">

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

    </bean>

</beans>

<?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:p="http://www.springframework.org/schema/p"

    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">

    <!-- 所有配置的公共部门 -->

    <!-- 1) 连接池实例 -->

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

        <property name="driverClass" value="com.mysql.jdbc.Driver"></property>

        <property name="jdbcUrl" value="jdbc:mysql:///hib_demo"></property>

        <property name="user" value="root"></property>

        <property name="password" value="root"></property>

        <property name="initialPoolSize" value="3"></property>

        <property name="maxPoolSize" value="6"></property>

    </bean>

    <!-- 2) SessionFactory实例创建 -->

    <!-- 所有的配置都由spring维护(项目中不需要hibernate.cfg.xml啦) -->

    <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">

        <!-- a. 连接池 -->

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

        <!-- b. hibernate常用配置： 方言、显示sql、自动建表等 -->

        <property name="hibernateProperties">

            <props>

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

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

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

            </props>

        </property>

        <!-- c. 映射配置 -->

        <property name="mappingLocations">

            <list>

                <value>classpath:loaderman/entity/*.hbm.xml</value>

            </list>

        </property>

    </bean>

    <!-- 3) 事务配置 -->

    <!-- # 事务管理器 -->

    <bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">

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

    </bean>

    <!-- # 事务增强 -->

    <tx:advice id="txAdvice" transaction-manager="txManager">

        <tx:attributes>

            <tx:method name="*" read-only="false"/>

        </tx:attributes>

    </tx:advice>

    <!-- # AOP配置 -->

    <aop:config>

        <aop:pointcut expression="execution(* loaderman.service.*.*(..))" id="pt"/>

        <aop:advisor advice-ref="txAdvice" pointcut-ref="pt"/>

    </aop:config>

</beans>

<?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:p="http://www.springframework.org/schema/p"

    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">

    <bean id="employeeDao" class="loaderman.dao.EmployeeDao">

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

    </bean>

</beans>

<?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:p="http://www.springframework.org/schema/p"

    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">

    <bean id="employeeService" class="loaderman.service.EmployeeService">

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

    </bean>

</beans>

<?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="emp" extends="struts-default">

        <!-- action实例交给spring容器创建 -->

        <action name="show" class="employeeAction" method="execute">

            <result name="success">/index.jsp</result>

        </action>

    </package>

</struts>

<?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">

    <!-- 1. struts配置 -->

    <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>

    <!-- 2. spring 配置 -->

    <context-param>

        <param-name>contextConfigLocation</param-name>

        <param-value>/WEB-INF/classes/bean-*.xml</param-value>

    </context-param>

    <listener>

        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

    </listener>

    <welcome-file-list>

        <welcome-file>index.jsp</welcome-file>

    </welcome-file-list>

</web-app>

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