SSH框架一步一步搭建

环境： myeclipse10 ，mysql ，jdk6.0

目录结构：

一、新建web project

二、在src目录下新建struts.xml  ，使用include是为了方便分开各个action

<?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>
	<!-- 指定Web应用的默认编码集,相当于调用HttpServletRequest的setCharacterEncoding方法 -->
	<constant name="struts.i18n.encoding" value="UTF-8" />
	<!-- 设置浏览器是否缓存静态内容,默认值为true(生产环境下使用),开发阶段最好关闭 -->
	<constant name="struts.serve.static.browserCache" value="false" />
	<!-- 当struts的配置文件修改后,系统是否自动重新加载该文件,默认值为false(生产环境下使用),开发阶段最好打开 -->
	<constant name="struts.configuration.xml.reload" value="true" />
	<!-- 开发模式下使用,这样可以打印出更详细的错误信息 -->
	<constant name="struts.devMode" value="true" />
	<include file="admin.xml" />

</struts>

还有admin.xml

<?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>
    <package name="admin"  extends="struts-default">
       <action name="admin_*" class="adminAction" method="{1}">
             <result name="login">        
               /backend/main.jsp   <!-- 页面跳转 -->
            </result>
             <result name="delSuc" type="redirectAction">  
               <param name="actionName">admin_login</param> <!-- action跳转 -->
            </result>
            
        </action>
    </package>
</struts>

三、在src目录增加hibernate.cfg.xml

<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
          "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
          "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<!-- Generated by MyEclipse Hibernate Tools.                   -->
<hibernate-configuration>

	<session-factory>
		<mapping resource="com/d3/d3studio/model/Admin.hbm.xml" />

	</session-factory>

</hibernate-configuration>

四、在WEB-INF增加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-3.0.xsd
            http://www.springframework.org/schema/context 
            http://www.springframework.org/schema/context/spring-context-3.0.xsd
            http://www.springframework.org/schema/aop 
            http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
            http://www.springframework.org/schema/tx 
            http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
            ">

	<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
		<!-- 指定连接数据库的JDBC驱动 -->
		<property name="driverClass">
		 	<value>com.mysql.jdbc.Driver</value>
		 </property>
		<!-- 连接数据库所用的URL -->
		<property name="jdbcUrl">
			<value>jdbc:mysql://localhost:3306/pacs</value>
		</property>
		<!-- 连接数据库的用户名 -->
		<property name="user">
			<value>root</value>
		</property>
		<!-- 连接数据库的密码 -->
		<property name="password">
			<value>root</value>
		</property>
		<!-- 设置数据库连接池的最大连接数 -->
		<property name="maxPoolSize">
			<value>20</value>
		</property>
		<!-- 设置数据库连接池的最小连接数 -->
		<property name="minPoolSize">
			<value>2</value>
		</property>
		<!-- 设置数据库连接池的初始化连接数 -->
		<property name="initialPoolSize">
			<value>2</value>
		</property>
		<!-- 设置数据库连接池的连接的最大空闲时间,单位为秒 -->
		<property name="maxIdleTime">
			<value>20</value>
		</property>
	</bean>
	<bean id="sessionFactory"
		class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
		<property name="dataSource">
			<ref bean="dataSource" />
		</property>
         <property name="hibernateProperties">   
             <props>   
                 <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>   
                 <prop key="hibernate.show_sql">true</prop>   
                 <prop key="hibernate.fromat_sql">true</prop> 
                 <prop key="hibernate.generate_statistics">true</prop>   
                 <prop key="hibernate.connection.release_mode">auto</prop>   
                 <prop key="hibernate.autoReconnect">true</prop>   
                 <prop key="hibernate.cache.use_query_cache">true</prop>
                 <prop key="cache.use_second_level_cache">true</prop>
               	 <prop key="hibernate.cache.provider_class">org.hibernate.cache.EhCacheProvider</prop> 
               
             </props>   
         </property> 
		<property name="mappingResources">
			<list>
				<value>com/d3/pacs/model/Admin.hbm.xml</value>         <-- 对应model包里的映射 -->
			</list>
		</property>
	</bean>
	
	
    <bean id="txManager"
		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource" />
	</bean>
	<tx:annotation-driven transaction-manager="txManager" />
	<-- 使用spring的注入  -->
	<bean id="adminDAO" class="com.d3.pacs.dao.AdminDAO">
	<property name="sessionFactory" ref="sessionFactory" />
	</bean>
	<bean id="adminService" class="com.d3.pacs.service.AdminService">
		<property name="adminDAO" ref="adminDAO" />
	</bean>
	<bean id="adminAction" class="com.d3.pacs.action.AdminAction" scope="prototype">
		<property name="adminService" ref="adminService" />
	</bean>
	
</beans>

五、web.xml需要修改

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" 
	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_3_0.xsd">
  <display-name></display-name>	
  	<!-- 配置struct2-->
	<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>

	<!-- 启动Spring容器 -->
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
	<!-- 默认启动项 -->
  <welcome-file-list>
    <welcome-file>login.jsp</welcome-file>
  </welcome-file-list>
</web-app>

六、编写action

public class AdminAction extends ActionSupport {
	private static Logger logger = Logger.getLogger(AdminAction.class);
	private AdminService adminService;
	private Admin admin;

	public AdminService getAdminService() {
		return adminService;
	}

	public void setAdminService(AdminService adminService) {
		this.adminService = adminService;
	}

	public Admin getAdmin() {
		return admin;
	}

	public void setAdmin(Admin admin) {
		this.admin = admin;
	}

	// 管理员登陆
	public String login() {
		if(adminService.login(admin) !=null){
			HttpServletRequest request = ServletActionContext.getRequest();
			HttpSession session = request.getSession(true);
			session.setAttribute("admin1", admin);
			return "login";
		}
		else
			return "loginFail";
	}

	// 管理员注册
	public String regist() {
		return "regist";
	}

	// 退出管理员
	public String exit() {
		HttpServletRequest request = ServletActionContext.getRequest();
		request.getSession().removeAttribute("admin1");
		return "exit";
	}
}

七、   访问流程： 在jsp中提交action    提交表单<form id="login" action="/my/admin_login" method="post">    

/my是我的tomcat自己定义的虚拟目录，   admin_* 对应的是admin.xml中 <action name="admin_*" class="adminAction" method="{1}">

访问admin_login  对应的就是action类中的public String login()的方法 ，根据此方法返回的String 

对应的也是admin.xml 中 ，返回login则会跳刀main.jsp

<result name="login">        
               /backend/main.jsp   <!-- 页面跳转 -->
            </result>
             <result name="regist">        
               /backend/main.jsp   <!-- 页面跳转 -->
            </result>
             <result name="delSuc" type="redirectAction">  
               <param name="actionName">admin_login</param> <!-- action跳转 -->
            </result>

另外，struts会自动匹配类属性和jsp中name

比如： 

jsp里面有  ：  <INPUT class=TxtUserNameCssClass maxLength=20 name="name">

对应在action里面，如果有name的属性，只要提供get，set方法，那么jsp中的name就会传到action

另外还可以：    <INPUT class=TxtUserNameCssClass maxLength=20 name="admin.name">

对应action里面有个admin的类属性且 admin有name属性， 则会赋值

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