spring Scurity终于测试OK了，复杂的功能还待深入研究！发布出来一起探讨吧！

spring Scurity终于测试OK了，复杂的功能还待深入研究！发布出来一起探讨吧！

就是因 为研究它，我的个天啦！头都大了一圈！还待修改完整版！我的目标不是每个项目拿到它就能使用！到时再说啦。。。

虽然只是一个登陆，但里面的知识真是太广了！什么md5 盐值   加密 生成,cookie 生成序列保存数据库，

sessionID防护的一大堆安全，资源权限分配和保护 等。。。值得一学的框架!

sql 脚本也在项目一起

项目源码下载：http://download.csdn.net/detail/liangrui1988/5916359

官方文档：http://static.springsource.org/spring-security/site/docs/3.0.x/reference/springsecurity.html

jar 下载  http://www.springsource.org/download/community

项目图片：

部分代码：

applicationContext-security2.xml

<?xml version="1.0" encoding="UTF-8"?>
 <beans:beans
    xmlns="http://www.springframework.org/schema/security"
    xmlns:beans="http://www.springframework.org/schema/beans"
    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-3.2.xsd
                        http://www.springframework.org/schema/security
                        http://www.springframework.org/schema/security/spring-security.xsd">

   <!-- 使用security="none"忽略所有过滤器会提升性能，而是用匿名登录功能可以实现权限操作的一致性，
                     具体应用时还需要大家根据实际情况自行选择了。
   <http pattern="/" security="none"/>  -->
   <http pattern="/image" security="none"/>
     <!--entry-point-ref=""  未登录的切入点
         servlet-api-provision="true" 默认启用  保存没有登录之前的请求
         access-denied-page="" 被拦截之后的页面-->
    <http auto-config="true" entry-point-ref="myAuthenticationEntryPoint"
          access-denied-page="/error/page403.jsp" >

      <!-- 在配置文件中使用auto-config="true"就会启用匿名登录功能。在启用匿名登录之后，
                      如果我们希望允许未登录就可以访问一些资源，可以在进行如下配置。 IS_AUTHENTICATED_ANONYMOUSLY=ROLE_ANONYMOUS-->
      <intercept-url pattern="/" access="ROLE_ANONYMOUS"/>
       <anonymous username="游客"/>

      <!-- 只要登 陆的用户都可以访问项目资源    除了受保护的次源 -->
      <intercept-url pattern="/**" access="IS_AUTHENTICATED_FULLY" />

      <!-- 自定义过滤器  在之前执行 -->
      <custom-filter ref="filterSecurityInterceptor" before="FILTER_SECURITY_INTERCEPTOR" />
      <!-- 切换用户 -->
      <custom-filter position="SWITCH_USER_FILTER" ref="switchUserProcessingFilter" />
      <!-- 获取 ip  -->
      <custom-filter position="CONCURRENT_SESSION_FILTER" ref="concurrentSessionFilter"/>

      <!-- 用户退出  session无效 -->
     <logout invalidate-session="true"
     logout-url="/j_spring_security_logout" />

     <!-- 保存cookie  保存用户名密码多长时间-->
     <!--60*60*24*7=604800=  一个星期的秒数  -->
     <remember-me key="myApp" token-validity-seconds="604800" data-source-ref="authoritiesData" />

     <!-- 用户登陆  默认跳转页面 and  失败面页 -->
     <form-login default-target-url="/index.jsp" authentication-failure-url="/login.jsp?error=true"/>

     <!-- 防御会话伪造 none，migrateSession和newSession。默认使用的是migrationSession，
      <session-management session-fixation-protection="migrateSession"/>-->

      <!-- 会话管理  默认30分钟 ，空闲30分钟后，自动销毁
      session-authentication-strategy 会话认证策略  session-authentication-strategy-ref="currentControllerStrategy" -->
     <session-management  invalid-session-url="/login.jsp"
     session-authentication-strategy-ref="currentControllerStrategy"/>
    <!--  <concurrency-control max-sessions="1" error-if-maximum-exceeded="true"  />
     </session-management> -->

     <!-- 允许同时登陆几个，如果溢出这个数则报异常  -->
     <!-- error-if-maximum-exceeded="true"=不允许把在线用户踢出去-->

    </http>
    <!--注意必须放在用来验证权限的FilterSecurityInterceptor之后，这样可以控制当前用户是否拥有切换用户的权限 -->
    <beans:bean id="switchUserProcessingFilter"
        class="org.springframework.security.web.authentication.switchuser.SwitchUserFilter" autowire="byType">
    <beans:property name="targetUrl" value="/manager.jsp"/>
    </beans:bean>

     <!-- 未登录的切入点 -->
    <beans:bean id="myAuthenticationEntryPoint" class="org.springframework.security.web.authentication.LoginUrlAuthenticationEntryPoint">
        <beans:property name="loginFormUrl" value="/login.jsp"></beans:property>
    </beans:bean>

<!-- 认证管理 -->
    <authentication-manager>
        <authentication-provider>
        	<!-- md5加密   -->
		   <password-encoder hash="md5">
		   <!-- 盐值加密 -->
		      <salt-source user-property="username"/>
		    </password-encoder>
		    <!-- 数据库是自定义的，所以要修改sql查询语句  用户信息 和 权限信息 -->
            <jdbc-user-service data-source-ref="authoritiesData"
                users-by-username-query="select username,password,status as enabled
                                           from user
                                          where username=?"
                authorities-by-username-query="select u.username,r.name as authority
                                                 from user u
                                                 join user_role ur
                                                   on u.id=ur.user_id
                                                 join role r
                                                   on r.id=ur.role_id
                                                where u.username=?"/>

        </authentication-provider>

    </authentication-manager>
<!-- 过虑拦截器 作用:就是把自定义的数据库查询字段  封装成security规范 的字段-->
    <beans:bean id="filterSecurityInterceptor"
        class="org.springframework.security.web.access.intercept.FilterSecurityInterceptor" autowire="byType">
        <beans:property name="securityMetadataSource" ref="filterInvocationSecurityMetadataSource" />
        <beans:property name="authenticationManager" ref="org.springframework.security.authenticationManager"/>
    </beans:bean>

<!-- 替换原有功能的切入点  从数据库里查询出数据    资源==角色  注入数据库源  和查询结果的sql语句
            把受保护的资源(jsp页面)写入到数据库中 需要这样的配置-->

<beans:bean id="filterInvocationSecurityMetadataSource"

        class="accp.util.JdbcFilterInvocationDefinitionSourceFactoryBean">
        <beans:property name="dataSource" ref="authoritiesData"/>
        <beans:property name="resourceQuery" value="
            select re.res_string,r.name
              from role r
              join resc_role rr
                on r.id=rr.role_id
              join resc re
                on re.id=rr.resc_id
          order by re.priority
        "/>
</beans:bean>

<!-- 提示信息 国际化-->
<beans:bean id="messageSource" class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
<beans:property name="basename" value="classpath:messages_zh_CN"/>
</beans:bean>

<!-- 获取用户  ip 和用户绑定，（如是果设了最大会话为1，不用担心没注销用户，无法再登陆！）
             这样在同一个电脑是可以重复登陆， -->
 <beans:bean id="concurrentSessionFilter"
        class="org.springframework.security.web.session.ConcurrentSessionFilter">
 <beans:property name="sessionRegistry" ref="sessionRegistry"/>
</beans:bean>

<beans:bean id="sessionRegistry"
	class="accp.myFilter.SmartSessionRegistry"/>

<beans:bean id="currentControllerStrategy"
	class="accp.myFilter.SmartConcurrentSessionControlStrategy">
	<beans:constructor-arg ref="sessionRegistry"/>
	 <!-- 允许同时登陆几个，如果溢出这个数则报异常  -->
     <!-- error-if-maximum-exceeded="true"=不允许把在线用户踢出去   -->
	<beans:property name="exceptionIfMaximumExceeded" value="true"/>
	<beans:property name="maximumSessions" value="1"/>
	</beans:bean> 

<!-- 记录日志 -->
 <beans:bean class="accp.myFilter.AuditListener"/>

</beans:beans>

applicationContext-action.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:p="http://www.springframework.org/schema/p"
	xsi:schemaLocation="http://www.springframework.org/schema/beans
	                    http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
	                    ">
<!--*************************注入services层接口到action******************************-->

<!-- 用户action 注入services接口 -->
<bean id="userAction" class="accp.action.UserAction">
<property name="services" ref="userServices"/>
<property name="baseUserServices" ref="baseServices"/>
<property name="baseRoleServices" ref="baseServices"/>
</bean>

<!-- registerAction  注入services接口 -->
<bean id="userRegisterAction" class="accp.action.RegisterAction">
<property name="services" ref="userServices"/>
<property name="baseUserServices" ref="baseServices"/>
<property name="baseRoleServices" ref="baseServices"/>
</bean>

<!-- resc action -->
<bean id="rescAction" class="accp.action.RescAction">
<property name="rescServices" ref="rescServices"/>
<property name="baseRescServices" ref="baseServices"/>
<property name="baseRoleServices" ref="baseServices"/>
</bean>

<!-- role action -->
<bean id="roleAction" class="accp.action.RoleAction">
<property name="roleServices" ref="roleServices"/>
<property name="baseRoleServices" ref="baseServices"/>
<property name="baseRescServices" ref="baseServices"/>
</bean>

</beans>

applicationContext-service.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:p="http://www.springframework.org/schema/p"
	xsi:schemaLocation="http://www.springframework.org/schema/beans
	                    http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
	                    ">

<!--*************************hibernateTemplate******************************-->
 <!-- BaseDaoImpl注入 hibernateTemplate-->
 <bean id="baseDao" class="accp.dao.imple.BaseDaoImpl">
 <property name="hibernateTemplate" ref="hibernateTemplate"/>
 </bean>

  <!-- RescDaoImpl注入 hibernateTemplate  || parent父类是谁 同样实现的继承关系-->
 <bean id="rescDao" class="accp.dao.imple.RescDaoImpl" parent="baseDao">
 <!-- <property name="hibernateTemplate" ref="hibernateTemplate" /> -->
 </bean>

 <!-- RoleDaoImpl注入 hibernateTemplate-->
 <bean id="roleDao" class="accp.dao.imple.RoleDaoImpl" parent="baseDao">
 </bean>

 <!-- UserDaoImpl注入 hibernateTemplate -->
 <bean id="userDao" class="accp.dao.imple.UserDaoImpl" parent="baseDao">
 <!-- <property name="hibernateTemplate" ref="hibernateTemplate" /> -->
 </bean>

<!--*************************注入dao层接口到services层******************************-->

<!-- baseDao到业务层    parent="baseDao"-->
<bean id="baseServices" class="accp.services.imple.BaseServicesImple" >
<property name="basedao" ref="baseDao"/>
</bean>

 <!-- user    方便真接调用基本操作类  hibernateTemplate-->
 <bean id="userServices" class="accp.services.imple.UserServicesImple">
 <property name="userDao" ref="userDao"/>
 </bean>

 <!-- 角色 -->
 <bean id="roleServices" class="accp.services.imple.RoleServicesImple">
 <property name="roleDao" ref="roleDao"/>
 </bean>

 <!-- 资源 -->
 <bean id="rescServices" class="accp.services.imple.RescServicesImple">
 <property name="rescDao" ref="rescDao"/>
 </bean>

</beans>

UserAction.java

package accp.action;

import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import javax.servlet.http.HttpServletResponse;

import org.apache.struts2.ServletActionContext;
import org.springframework.security.authentication.encoding.Md5PasswordEncoder;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;

import accp.bean.Role;
import accp.bean.User;
import accp.services.BaseServices;
import accp.services.RoleServices;
import accp.services.UserServices;

import com.opensymphony.xwork2.ActionSupport;
/**
 * 用户管理Action
 * @author liangrui
 * @qq382453602
 *
 */
public class UserAction extends ActionSupport {
	private User user;
	private List<User> listUser;//用户集合
	private List<Role> roleList;//角色集合
	private UserServices services;//用户接口
	private BaseServices<User,Long> baseUserServices;//基本user业务
	private BaseServices<Role,Long> baseRoleServices;//基本role业务

	private String enabled;//是否生效

	public List<Role> getRoleList() {
		return roleList;
	}

	public void setRoleList(List<Role> roleList) {
		this.roleList = roleList;
	}

	public void setBaseUserServices(BaseServices<User, Long> baseUserServices) {
		this.baseUserServices = baseUserServices;
	}

	public void setBaseRoleServices(BaseServices<Role, Long> baseRoleServices) {
		this.baseRoleServices = baseRoleServices;
	}

	public String getEnabled() {
		return enabled;
	}

	public void setEnabled(String enabled) {
		this.enabled = enabled;
	}

	public UserServices getServices() {
		return services;
	}

	public List<User> getListUser() {
		return listUser;
	}

	public void setListUser(List<User> listUser) {
		this.listUser = listUser;
	}

	public User getUser() {
		return user;
	}

	public void setUser(User user) {

		this.user = user;

	}

	public void setServices(UserServices services) {
		this.services = services;
	}
/*************************login*********************************/
	public String logins() throws Exception {
		System.out.println("login:"+user.getUsername());
		User user2=services.getLogin(user);

		if(null==user2){
			return "notUser";
		}

		if("admin".equals(user2.getUsername())){
			return "adminPage";
		}
	System.out.println(user2.getUsername());
		return SUCCESS;
	}
/************************连接到admin.jsp页面***********************************/
	public String fowaredAdmin() throws Exception {
		System.out.println("获取u p中-------....");
		printUserInfo();
		System.out.println("转到admin.jsp面面");
		return "adminPage";
	}
/************************打印信息：用户名***********************************/
	public void printUserInfo(){
		System.out.println("获取principal 中");
		String userName="";
		//获取安全上下文内容
		/*SecurityContext sc=SecurityContextHolder.getContext();
		Authentication atc=sc.getAuthentication();//获取认证对象
		//获取主体对象
		Object obj=atc.getPrincipal();

		if(obj instanceof UserDetails){
		//获取用户详细内容对象
		UserDetails ud=(UserDetails)obj;
		userName=ud.getUsername();
		}else{
		userName=obj.toString();
		}*/
		//api 原代码
		Object principal = SecurityContextHolder.getContext().getAuthentication().getPrincipal();
		if (principal instanceof UserDetails) {
			userName = ((UserDetails)principal).getUsername();
		} else {
			userName = principal.toString();
		}
		System.out.println("u: "+userName);
	}
/************************hello***********************************/
	public String hello() throws Exception {
		//printUserInfo();
		System.out.println("开始调用方法....");
		String moedth=services.sayHello("刘备");
		System.out.println(moedth);
		return "indexs";
	}
/************************bye***********************************/
	public String bye() throws Exception {
		//printUserInfo();
		System.out.println("开始调用方法..");

		String moedth=services.sayBye("张飞");
		System.out.println(moedth);
		return "indexs";
	}

/************************ajax判断是否有用户名**********************************/
    public String ajaxIsUser() throws Exception {
	// TODO Auto-generated method stub
	System.out.println("ajax来了！开始行动...........: "+user.getUsername());
	boolean b=services.getAjaxIsUserName(user.getUsername());
	//获取响应对象
	HttpServletResponse response=ServletActionContext.getResponse();
	PrintWriter out = response.getWriter();
	String bb="";
	if(b)bb="true";else bb="false";
	System.out.println("b: "+bb);
	out.print(bb);

	return null;
    }
/************************显示所有用户信息**********************************/
    public String showUserInfo() throws Exception {
    	listUser=baseUserServices.getAll(new User());
		return "showUser";
	}

/**************************删除用户****************************************/
    public String deleteUser() throws Exception {
    	try {
    	System.out.println("du: id "+user.getId());
    	baseUserServices.delete(user);
		} catch (Exception e) {
		e.printStackTrace();
		return "error";
		}
		return "deleteUserOK";
	}
/**************************修改用户 查询信息 并显示************************************/
    public String  updateUser() throws Exception {
    	try {
    	user=baseUserServices.getTInId(user,user.getId());
    	//查询角色
    	System.out.println("开始查询role----");
    	roleList=baseRoleServices.getAll(new Role());

		} catch (Exception e) {
			return "error";
		}
		return "updateEidt";
	}

/**************************保存修改后的用户************************************/
    public String  updateSave() throws Exception {
    	try {
		Md5PasswordEncoder md5 = new Md5PasswordEncoder();
		String passwordMD5=md5.encodePassword(user.getPassword(), user.getUsername());
	    user.setPassword(passwordMD5);
	    //封装角色集合
	    Set<Role> rolesSet=new HashSet<Role>();
	    //取到权限的对象
	    Set set=user.getRoles();
	    Iterator it=set.iterator();
		while(it.hasNext()){
			//根据id查询对象
			Long roleID=Long.valueOf(it.next().toString());
			//System.out.println(roleID);
			Role role=baseRoleServices.getTInId(new Role(),roleID);
			rolesSet.add(role);
		}
    	user.setRoles(rolesSet);//将角色加入用户对象里
		//是否生效
		if(null==enabled){
			user.setStatus(0);
		}else{
			user.setStatus(1);
		}
		System.out.println(user.getId()+user.getUsername()+user.getPassword());
	   	//通过传过来的角色id获取角色对象
		baseUserServices.update(user);
		} catch (Exception e) {
			return "error";
		}
		return "updateOk";
	}
/*********************通对对象条件查询****************************/
    public String  searchUser() throws Exception {
    	if(null!=user){
    	listUser=baseUserServices.getTInName(user);
    	}
    	return "showUser";
    }

 /*************************显示所有角色*************************/
    public String displayRole() throws Exception {
    	System.out.println("开始查询role----");
    	roleList=baseRoleServices.getAll(new Role());
    	return "addUsersAndShowRole";
    	}
}

BaseServices.java

package accp.services;

import java.io.Serializable;
import java.util.List;

import accp.dao.BaseDao;
import accp.dao.imple.BaseDaoImpl;

/**
 *
 * @author liangrui
 * @qq 382453602
 * @param <T> 泛型类
 * @param <PK> 主健
 * 基本数据操作 业务层
 * 都 可以来这时调用 增、删、改、查
 */

public interface BaseServices<T,PK extends Serializable > /* extends BaseDao<T,PK>*/{

public PK save(T t);
public void delete(T t);
public void update(T t);
/***根据对象 获取对象集合**/
public List<T> getAll(T t);
/***通过id 获取对象集合**/
public T getTInId(T t,PK pk);
/***根据名称 获取对象集合**/
public List<T> getTInName(T t) throws Exception;

}

BaseDao.java

package accp.dao;

import java.io.Serializable;
import java.util.List;

/**
 *
 * @author liangrui
 * @qq 382453602
 * @param <T> 泛型类
 * @param <PK> 主健
 * 基本数据操作 代业务层 数据层 什么层层的
 * 都 可以来这时调用 增、删、改、查
 */
public interface BaseDao<T,PK extends Serializable> {

public PK save(T t);
public void delete(T t);
public void update(T t);
/***根据对象 获取对象集合**/
public List<T> getAll(T t);
/***通过id 获取对象集合**/
public T getTInId(T t,PK pk);
/***根据对象条件 获取对象集合**/
public List<T> getTInName(T t) throws Exception;

}

BaseDaoImpl.java

package accp.dao.imple;

import java.io.Serializable;
import java.lang.reflect.Field;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;

import accp.util.GenericsUtils;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import accp.dao.BaseDao;

public class BaseDaoImpl<T,PK extends Serializable> extends HibernateDaoSupport implements BaseDao<T, PK> {

	private  Class clas ;
	//得到类
	public BaseDaoImpl(){
		/**
		 *  得到泛型的类
		 *  即  BaseDaoImpl<Users>  得到Users
		 *  类的超类>>>现在类型的 论据
		 */
		clas = GenericsUtils.getSuperClassGenricType(getClass());

	}

	public PK save(T t) {
		//System.out.println("T:" +t.getClass().getSimpleName());
		return (PK) this.getHibernateTemplate().save(t);

	}

	public void delete(T t) {
		this.getHibernateTemplate().delete(t);
	}

	public void update(T t) {
		this.getHibernateTemplate().update(t);

	}

	public List<T> getAll(T t) {
		// 根据对象 得到对像集合
		String objName=t.getClass().getSimpleName();//得到 对象名
		//System.out.println(objName);
		return this.getHibernateTemplate().find("from "+objName);
	}

    /********************通过id获取对象****************************/
	public T getTInId(T t,PK pk) {
	    /*String objName=clas.getClass().getSimpleName();//得到 对象名
		System.out.println(clas +" : "+objName +" PK: "+pk);*/
		return (T) this.getHibernateTemplate().get(t.getClass(),pk);

	}

    /************************************************************
     *通过传送过来的对象值做为条件   查询
     *并得到反回的集合
     ************************************************************/
	@SuppressWarnings("unchecked")
	public List<T> getTInName(T t) throws Exception {
	//得到对象的字段 就是查询条件
	String objName=t.getClass().getSimpleName();
	//拼接条件
	StringBuffer hql=new StringBuffer("from "+objName);

	hql.append(" where 1=1");
	Field [] objFileds =t.getClass().getDeclaredFields();

	Object [] SqlParamter = null;
	List<Object> SqlParamters=new ArrayList<Object>();
	for(int i=0;i<objFileds.length;i++){
		Field fileld=objFileds[i];
		fileld.setAccessible(true);//可进入的
		Object objT=fileld.get(t);

		//得到值
		if(!"".equals(objT)&&null!=objT){

			if(fileld.getName().equals("id")){
			if(Integer.parseInt(objT.toString())>0){//不为0
			//如果是id则 则直接处理
			return	this.getHibernateTemplate().
					find("from "+objName +" where id="+objT);
			}
			}else if(objT instanceof Set){//如果是集合
			//可以断续追加对象 条件
			}else{
			System.out.println(fileld.getName()+" value: "+objT);
			hql.append(" and "+fileld.getName()+"=?");
			SqlParamters.add(objT);

			//SqlParamter[i]=objT;
			}
		}
	}
	//如果没有任条件的对象 ，则返回所有数据
	if(null==SqlParamters||SqlParamters.size()<=0){
	return this.getHibernateTemplate().find("from "+objName);
	}
	//把集合中的数据 转入数组
	SqlParamter=new Object[SqlParamters.size()];
	for(int i=0;i<SqlParamters.size();i++){
		SqlParamter[i]=SqlParamters.get(i);
	}
	//excute
	return this.getHibernateTemplate().find(hql.toString(),SqlParamter);

	}

}

UserServicesImple.java

package accp.services.imple;

import java.io.Serializable;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import accp.bean.Resc;
import accp.bean.Role;
import accp.bean.User;
import accp.dao.UserDao;
import accp.dao.imple.BaseDaoImpl;
import accp.services.UserServices;
/**
 *
 * @author liangrui
 * 基本操做可以调用BaseDao时的方法
 * 用户业务处理层
 * extends BaseDaoImpl<User,Integer>
 *
 */

public class UserServicesImple implements UserServices {

	private UserDao userDao;//用户数据层接口

	public UserDao getUserDao() {
		return userDao;
	}

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

	public String sayHello(String name) {
		System.out.println("进来了!!!");
		return "hello:"+name;
	}

	public String sayBye(String name) {
		// TODO Auto-generated method stub
		return "bay:"+name;
	}

	/**************ajax判断是否有重复名字*********************/
	public boolean getAjaxIsUserName(String name) {
	return userDao.getAjaxIsUserName(name);
	}

	/***************************用户登陆***************************/
	public User getLogin(User u) {
		// TODO Auto-generated method stub
		//List<User> list=super.getAll(u);
		List list=userDao.getAll(u);

		if(null==list||list.size()<=0){
		return null;
		}else {
		return (User) list.get(0);
		}

	}

	/***register***/
	public User saveUser(User u){
		try {

		userDao.save(u);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
		return u;
	}

}

struts_user.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="userPackage" namespace="/" extends="struts-default">

<!-- 用户 action -->
<action name="user_*" class="userAction" method="{1}" >
<result name="success">/userPage.jsp</result>
<result name="adminPage">/admin.jsp</result>
<result name="indexs">/index.jsp</result>
<result name="ok">/userReg/ok.jsp</result>
<result name="showUser">/admin/userAuthorities.jsp</result>
<result name="error">/userReg/error.jsp</result>
<result name="updateEidt">/userReg/updateEdit.jsp</result>
<!--  -->
<result name="deleteUserOK" type="redirectAction">user_showUserInfo.action</result>
<result name="updateOk" type="redirectAction">user_showUserInfo.action</result>
<result name="addUsersAndShowRole">/userReg/regsiter.jsp</result>

</action>

<action name="users_*" class="userRegisterAction" method="{1}">
<result name="ok">/userReg/ok.jsp</result>
<result name="error">/userReg/error.jsp</result>
<result name="input">/userReg/regsiter.jsp</result>

<!--防止表单重提交 -->
<result name="invalid.token">/userReg/alert.jsp</result>
<interceptor-ref name="token"/>
<interceptor-ref name="defaultStack"/>

</action>

</package>

</struts>

login.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>My JSP 'index.jsp' starting page</title>
    <style type="text/css">
    .errorhide{display: none;}
    .error{display: block;}
    </style>
  </head>

<body>
<div style="width:1200px; text-align: center; margin-top: 150px;">
<div class="error${param.error==true ? '' : 'hide'}">
登陆失败<br>
<font color="red">${sessionScope['SPRING_SECURITY_LAST_EXCEPTION'].message}</font><br/>
</div>

<form action="${pageContext.request.contextPath}/j_spring_security_check" method="post" style="width:260px;text-align:center;">
<fieldset>
<legend>登陆</legend>
用户： <input type="text" name="j_username" style="width:150px;" value="${sessionScope['SPRING_SECURITY_LAST_USERNAME']}"/><br />
密码： <input type="password" name="j_password" style="width:150px;" /> <br />
    <input type="checkbox" name="_spring_security_remember_me"/>一周之内不必登陆<br />
    <input type="submit" value="登陆"/>
    <input type="reset" value="重置"/>
</fieldset>
</form>

<br/>
    <a HREF="${pageContext.request.contextPath}/admin.jsp">ADMIN.JSP</a> <br/>
     <a HREF="${pageContext.request.contextPath}/userPage.jsp">userPage.jsp</a> <br/>
    <a href="j_spring_security_logout">注销用户</a>
 </div>   

  </body>
</html>

主要代码就这些吧！有兴趣的朋友可以下载源码，全部贴出来，累死个人