SSH中三大框架整合详解

<?xml version="1.0" encoding="UTF-8"?><beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns="http://www.springframework.org/schema/beans" 
        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/context/spring-context-4.2.xsd 
                             http://www.springframework.org/schema/aop/spring-aop-4.2.xsd 
                             http://www.springframework.org/schema/tx/spring-tx-4.2.xsd "><bean name="userAction" class="cn.xyp.web.action.UserAction"></bean></beans>

  <!-- 让spring随web启动而创建的监听器 -->
  <listener>  <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <!-- 配置spring配置文件位置参数 -->
  <context-param>  <param-name>contextConfigLocation</param-name>  <param-value>classpath:applicationContext.xml</param-value>
  </context-param>

<?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="crm" namespace="/" extends="struts-default"><action name="UserAction_*" class="cn.xyp.web.action.UserAction" method="{1}"><result name="success">/success.jsp</result></action></package></struts>

  <!-- struts2核心过滤器 -->
  <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>

### if specified, the default object factory can be overridden here
### Note: short-hand notation is supported in some cases, such as "spring"
###       Alternatively, you can provide a com.opensymphony.xwork2.ObjectFactory subclass name here
# struts.objectFactory = spring

### specifies the autoWiring logic when using the SpringObjectFactory.
### valid values are: name, type, auto, and constructor (name is the default)
struts.objectFactory.spring.autoWire = name

    <!-- #  struts.objectFactory = spring    将action的创建交给spring容器    
            struts.objectFactory.spring.autoWire = name spring负责装配Action依赖属性--><constant name="struts.objectFactory" value="spring"></constant>

        <!-- 整合方案1:class属性上仍然配置action的完整类名
                struts2仍然创建action,由spring负责组装Action中的依赖属性         --><action name="UserAction_*" class="cn.xyp.web.action.UserAction" method="{1}" ><result name="toHome" type="redirect" >/index.htm</result><result name="error" >/login.jsp</result></action>

    <!-- action --><!-- 注意:Action对象作用范围一定是多例的.这样才符合struts2架构 --><bean name="userAction" class="cn.itcast.web.action.UserAction" scope="prototype" ><property name="userService" ref="userService" ></property></bean>

         <!-- 
             整合方案2:class属性上填写spring中action对象的BeanName
                 完全由spring管理action生命周期,包括Action的创建
                 注意:需要手动组装依赖属性          --><action name="UserAction_*" class="userAction" method="{1}" ><result name="toHome" type="redirect" >/index.htm</result><result name="error" >/login.jsp</result></action>

package cn.xyp.web.domain;import java.util.HashSet;import java.util.Set;public class User {private Long user_id;private String user_code;private String user_name;private String user_password;private Character user_state;public Long getUser_id() {return user_id;
    }public void setUser_id(Long user_id) {this.user_id = user_id;
    }public String getUser_code() {return user_code;
    }public void setUser_code(String user_code) {this.user_code = user_code;
    }public String getUser_name() {return user_name;
    }public void setUser_name(String user_name) {this.user_name = user_name;
    }public String getUser_password() {return user_password;
    }public void setUser_password(String user_password) {this.user_password = user_password;
    }public Character getUser_state() {return user_state;
    }public void setUser_state(Character user_state) {this.user_state = user_state;
    }
    @Overridepublic String toString() {return "User [user_id=" + user_id + ", user_code=" + user_code + ", user_name=" + user_name + ", user_password="
                + user_password + "]";
    }
}

<?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="cn.xyp.domain" ><class name="User" table="sys_user" ><id name="user_id"  ><generator class="native"></generator></id><property name="user_code"  ></property><property name="user_name"  ></property><property name="user_password"  ></property><property name="user_state"  ></property></class></hibernate-mapping>

<?xml version="1.0" encoding="UTF-8"?><!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>
         <!-- 数据库驱动 --><property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property> <!-- 数据库url --><property name="hibernate.connection.url">jdbc:mysql:///crm_32</property> <!-- 数据库连接用户名 --><property name="hibernate.connection.username">root</property> <!-- 数据库连接密码 --><property name="hibernate.connection.password">1234</property><!-- 数据库方言
            注意: MYSQL在选择方言时,请选择最短的方言.         --><property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
        <!-- 将hibernate生成的sql语句打印到控制台 --><property name="hibernate.show_sql">true</property><!-- 将hibernate生成的sql语句格式化(语法缩进) --><property name="hibernate.format_sql">true</property><!-- 
        自动导出表结构. 自动建表         --><property name="hibernate.hbm2ddl.auto">update</property> 
         <!-- 引入实体配置文件 --><mapping resource="cn/xyp/domain/Customer.hbm.xml" /><mapping resource="cn/xypt/domain/LinkMan.hbm.xml" /><mapping resource="cn/xyp/domain/User.hbm.xml" /></session-factory></hibernate-configuration>

    <!-- 加载配置方案1:仍然使用外部的hibernate.cfg.xml配置信息 --><bean name="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean" ><property name="configLocation" value="classpath:hibernate.cfg.xml" ></property></bean>

    <!-- 加载配置方案2:在spring配置中放置hibernate配置信息 --><bean name="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean" ><!-- 将连接池注入到sessionFactory, hibernate会通过连接池获得连接 --><property name="dataSource" ref="dataSource" ></property><!-- 配置hibernate基本信息 --><property name="hibernateProperties"><props><!--  必选配置 --><prop key="hibernate.connection.driver_class" >com.mysql.jdbc.Driver</prop><prop key="hibernate.connection.url" >jdbc:mysql:///crm_32</prop><prop key="hibernate.connection.username" >root</prop><prop key="hibernate.connection.password" >1234</prop> <prop key="hibernate.dialect" >org.hibernate.dialect.MySQLDialect</prop><!--  可选配置 --><prop key="hibernate.show_sql" >true</prop><prop key="hibernate.format_sql" >true</prop><prop key="hibernate.hbm2ddl.auto" >update</prop></props></property><!-- 引入orm元数据,指定orm元数据所在的包路径,spring会自动读取包中的所有配置 --><property name="mappingDirectoryLocations" value="classpath:cn/itcast/domain" ></property></bean>

jdbc.jdbcUrl=jdbc:mysql:///xyp_crm
jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.user=root
jdbc.password=123456

    <!-- 读取db.properties文件 --><context:property-placeholder location="classpath:db.properties" /><!-- 配置c3p0连接池 --><bean name="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" ><property name="jdbcUrl" value="${jdbc.jdbcUrl}" ></property><property name="driverClass" value="${jdbc.driverClass}" ></property><property name="user" value="${jdbc.user}" ></property><property name="password" value="${jdbc.password}" ></property></bean>

    <bean name="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean" ><!-- 将连接池注入到sessionFactory, hibernate会通过连接池获得连接 --><property name="dataSource" ref="dataSource" ></property>

//HibernateDaoSupport 为dao注入sessionFactorypublic class UserDaoImpl extends HibernateDaoSupport implements UserDao {

    @Overridepublic User getByUserCode(final String usercode) {//HQLreturn getHibernateTemplate().execute(new HibernateCallback<User>() {
            @Overridepublic User doInHibernate(Session session) throws HibernateException {
                    String hql = "from User where user_code = ? ";
                    Query query = session.createQuery(hql);
                    query.setParameter(0, usercode);
                    User user = (User) query.uniqueResult();return user;
            }
        });

        //CriteriaDetachedCriteria dc = DetachedCriteria.forClass(User.class);
        
        dc.add(Restrictions.eq("user_code", usercode));
        
        List<User> list = (List<User>) getHibernateTemplate().findByCriteria(dc);            if(list != null && list.size()>0){return list.get(0);
        }else{return null;
        }

    <!-- Dao --><bean name="userDao" class="cn.xyp.dao.impl.UserDaoImpl" ><!-- 注入sessionFactory --><property name="sessionFactory" ref="sessionFactory"></property></bean>

    <!-- 核心事务管理器 --><bean name="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager" ><property name="sessionFactory" ref="sessionFactory" ></property></bean>

    <!-- 开启注解事务 --><tx:annotation-driven transaction-manager="transactionManager" />

@Transactional(isolation=Isolation.REPEATABLE_READ,propagation=Propagation.REQUIRED,readOnly=true)public class UserServiceImpl implements UserService{

    @Override
    @Transactional(isolation=Isolation.REPEATABLE_READ,propagation=Propagation.REQUIRED,readOnly=false)public void saveUser(User u) {
        ud.save(u);
    }

  <!-- 扩大session作用范围
      注意: 任何filter一定要在struts的filter之前调用
      因为struts是不会放行的   -->
   <filter>  <filter-name>openSessionInView</filter-name>  <filter-class>org.springframework.orm.hibernate5.support.OpenSessionInViewFilter</filter-class>
  </filter>

  <filter-mapping>  <filter-name>openSessionInView</filter-name>  <url-pattern>/*</url-pattern>
  </filter-mapping>

<struts><!-- #  struts.objectFactory = spring    将action的创建交给spring容器    
            struts.objectFactory.spring.autoWire = name spring负责装配Action依赖属性--><constant name="struts.objectFactory" value="spring"></constant><package name="crm" namespace="/" extends="struts-default" ><global-exception-mappings><exception-mapping result="error" exception="java.lang.RuntimeException"></exception-mapping></global-exception-mappings> <!-- 
             整合方案:class属性上填写spring中action对象的BeanName
                 完全由spring管理action生命周期,包括Action的创建
                 注意:需要手动组装依赖属性          --><action name="UserAction_*" class="userAction" method="{1}" ><result name="toHome" type="redirect" >/index.htm</result><result name="error" >/login.jsp</result></action></package></struts>

public class UserAction extends ActionSupport implements ModelDriven<User> {private User user = new User();    private UserService userService ;    public void setUserService(UserService userService) {this.userService = userService;
    }
    public String login() throws Exception {
    //
    1 调用Service执行登陆逻辑User u = userService.getUserByCodePassword(user);
    //
    2 将返回的User对象放入session域ActionContext.getContext().getSession().put("user", u);//
    3 重定向到项目首页return "toHome";
    }

    @Overridepublic User getModel() {return user;
    }

}

    public User getUserByCodePassword(User u) {
    // 1 根据登陆名称查询登陆用户User existU = ud.getByUserCode(u.getUser_code());// 2 判断用户是否存在.不存在=>抛出异常,提示用户名不存在if (existU == null) {throw new RuntimeException("用户名不存在!");
        }
        // 3 判断用户密码是否正确=>不正确=>抛出异常,提示密码错误if (!existU.getUser_password().equals(u.getUser_password())) {throw new RuntimeException("密码错误!");
        }
        // 4 返回查询到的用户对象return existU;
    }

    public User getByUserCode(final String usercode) {
    //CriteriaDetachedCriteria dc = DetachedCriteria.forClass(User.class);
        dc.add(Restrictions.eq("user_code", usercode));
        List<User> list = (List<User>) getHibernateTemplate().findByCriteria(dc);        if(list != null && list.size()>0){return list.get(0);
        }else{return null;
        }
    }