用Struts2.0+Hibernate+Spring实现用户登陆

User.hbm.xml

<?xml version="1.0" encoding="utf-8"?> 
<!DOCTYPE hibernate-mapping 
    PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" 
    "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> 

<hibernate-mapping> 
    <class name="com.article.bean.User" table="user"> 
        <id name="id" column="id"> 
            <generator class="native"/> 
        </id> 
        <property name="name" column="name"/> 
        <property name="password" column="password"/> 
    </class> 
</hibernate-mapping>

User.java

package com.article.bean;

import java.io.Serializable;

public class User implements Serializable...{
    /** *//**
     * 
     */
    private static final long serialVersionUID = 1L;
    private int id=0;
    private String name="";
    private String password="";
    public String getName() ...{
        return name;
    }
    public void setName(String name) ...{
        this.name = name;
    }
    public String getPassword() ...{
        return password;
    }
    public void setPassword(String password) ...{
        this.password = password;
    }
    public int getId() ...{
        return id;
    }
    public void setId(int id) ...{
        this.id = id;
    }
}

LogicDAO.java

package com.article.dao;

public class LogicDAO ...{
    private UserDAO userDAO;
    public UserDAO getUserDAO() ...{
        return userDAO;
    }
    public void setUserDAO(UserDAO userDAO) ...{
        this.userDAO = userDAO;
    }
}

UserDAO.java

package com.article.dao;

import java.util.List;

import org.springframework.orm.hibernate3.HibernateTemplate;

import com.article.bean.User;

public class UserDAO ...{
    private HibernateTemplate hibernateTemplate;

    public void setHibernateTemplate(HibernateTemplate hibernateTemplate) ...{
        this.hibernateTemplate = hibernateTemplate;
    }
    public User Login(User user)
    ...{
        List list=hibernateTemplate.find("from User user where user.name='"+user.getName()+"' and user.password=md5('"+user.getPassword()+"')");
        if(list!=null && list.size()==1)
            return (User)list.get(0);
        else
            return null;
    }
}

BaseAction.java

package com.article.action;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts2.ServletActionContext;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

import com.article.dao.LogicDAO;
import com.opensymphony.xwork2.Action;
public abstract class BaseAction implements Action...{
    public LogicDAO logicDAO() ...{
        ServletContext servletContext = ServletActionContext.getServletContext();
        WebApplicationContext webApplicationContext= WebApplicationContextUtils.getRequiredWebApplicationContext(servletContext);
        return (LogicDAO)webApplicationContext.getBean("logicDAO");    
    }
    public HttpServletRequest request()
    ...{
        return ServletActionContext.getRequest();
    }
    public HttpSession session()
    ...{
        return ServletActionContext.getRequest().getSession();
    }
    public ServletContext application()
    ...{
        return ServletActionContext.getServletContext();
    }
    public HttpServletResponse response()
    ...{
        return ServletActionContext.getResponse();
    }
}

LoginAction.java

package com.article.action;
import com.article.bean.User;
public class LoginAction extends BaseAction...{
    private User user=new User();
    private String validateCode="";
    public void setValidateCode(String validateCode) ...{
        this.validateCode = validateCode;
    }

    public User getUser() ...{
        return user;
    }

    public void setUser(User user) ...{
        this.user = user;
    }

    public String execute() throws Exception ...{
        if(this.session().getAttribute("rand")!=null)
        ...{
            if(this.validateCode.equals(this.session().getAttribute("rand").toString()))
            ...{
                User resultUser=this.logicDAO().getUserDAO().Login(user);
                if(resultUser!=null)
                ...{
                    this.session().setAttribute("user", resultUser);
                }
            }
        }
        return SUCCESS;
    }
    public String getValidateCode() ...{
        return validateCode;
    }
}

struts.xml

<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
    <include file="struts-default.xml"/>
    <package name="default" extends="struts-default">
        <action name="login" class="com.article.action.LoginAction">
             <result name="success">/WEB-INF/jsp/index.jsp</result>
        </action>                     
    </package>
</struts>

applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd">

<beans>
    <bean id="dataSource" 
          class="org.springframework.jdbc.datasource.DriverManagerDataSource"> 
        <property name="driverClassName"> 
            <value>com.mysql.jdbc.Driver</value> 
        </property> 
        <property name="url"> 
            <value>jdbc:mysql://localhost:3306/article?autoReconnect=true&amp;useUnicode=true&amp;characterEncoding=gbk</value> 
        </property> 
        <property name="username"> 
            <value>root</value> 
        </property> 
        <property name="password"> 
            <value>123456</value> 
        </property> 
    </bean> 
    
    <bean id="sessionFactory" 
          class="org.springframework.orm.hibernate3.LocalSessionFactoryBean" 
          destroy-method="close"> 
        <property name="dataSource"> 
            <ref bean="dataSource"/> 
        </property> 
        <property name="mappingResources"> 
           <list> 
          <value>com/article/bean/User.hbm.xml</value>
           </list> 
        </property> 
        <property name="hibernateProperties"> 
            <props> 
                <prop key="hibernate.dialect"> 
                    org.hibernate.dialect.MySQLDialect 
                </prop> 
                <prop key="hibernate.show_sql">
                    false
                   </prop>
            </props> 
        </property> 
    </bean> 

    <bean id="hibernateTemplate"
          class="org.springframework.orm.hibernate3.HibernateTemplate">
        <property name="sessionFactory"> 
            <ref bean="sessionFactory"/>
        </property>            
    </bean> 
     <bean id="logicDAO" class="com.article.dao.LogicDAO">
         <property name="userDAO">
             <ref bean="userDAO"/>
         </property>
     </bean>
     <bean id="userDAO"
           class="com.article.dao.UserDAO">
        <property name="hibernateTemplate"> 
            <ref bean="hibernateTemplate"/>
        </property>            
     </bean> 
</beans>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app 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">
    <filter>
        <filter-name>article</filter-name>
        <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>article</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
</web-app>

login.jsp

            <form action="login.action" method="post">
            <table width="100%" border="0" align="center" cellpadding="3" cellspacing="1" bgcolor="#CDCDCD">
                <tr bgcolor="#FAFAFA">
                    <td>        
                        <table border="0" cellspacing="0" cellpadding="0" align="center">
                            <tr>
                                <td>名&nbsp;&nbsp;&nbsp;&nbsp;称<input type="text" name="user.name" class="text"/></td>
                            </tr>
                            <tr>
                                <td>密&nbsp;&nbsp;&nbsp;&nbsp;码<input type="password" name="user.password" class="text"/></td>
                            </tr>
                            <tr>
                                <td>验证码<input type="text" name="validateCode" class="text" style="width:38px;"/><img src="util/imgcode.jsp"/></td>
                            </tr>
                            <tr>
                                <td align="right"><input type="submit" value="登陆"  style="border-style:none; background-color:#FAFAFA"/></td>
                            </tr>
                        </table>
                    </td>
                </tr>
            </table>
            </form>