发布于 2016-07-15 13:08:11 | 164 次阅读 | 评论: 0 | 来源: 网友投递
Spring Framework 开源j2ee框架
Spring是什么呢？首先它是一个开源的项目，而且目前非常活跃；它是一个基于IOC和AOP的构架多层j2ee系统的框架，但它不强迫你必须在每一层 中必须使用Spring，因为它模块化的很好，允许你根据自己的需要选择使用它的某一个模块；它实现了很优雅的MVC，对不同的数据访问技术提供了统一的接口，采用IOC使得可以很容易的实现bean的装配，提供了简洁的AOP并据此实现Transcation Managment，等等
一、在web.xml中添加shiro过滤器
<!-- Shiro filter-->
<filter>
<filter-name>shiroFilter</filter-name>
<filter-class>
org.springframework.web.filter.DelegatingFilterProxy
</filter-class>
</filter>
<filter-mapping>
<filter-name>shiroFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>二、在Spring的applicationContext.xml中添加shiro配置
1、添加shiroFilter定义
<!-- Shiro Filter -->
<bean id="shiroFilter" class="org.apache.shiro.spring.web.ShiroFilterFactoryBean">
<property name="securityManager" ref="securityManager" />
<property name="loginUrl" value="/login" />
<property name="successUrl" value="/user/list" />
<property name="unauthorizedUrl" value="/login" />
<property name="filterChainDefinitions">
<value>
/login = anon
/user/** = authc
/role/edit/* = perms[role:edit]
/role/save = perms[role:edit]
/role/list = perms[role:view]
/** = authc
</value>
</property>
</bean>2、添加securityManager定义
<bean id="securityManager" class="org.apache.shiro.web.mgt.DefaultWebSecurityManager">
<property name="realm" ref="myRealm" />
</bean>
3、添加realm定义
<bean id=" myRealm" class="com...MyRealm" />
三、实现MyRealm：继承AuthorizingRealm，并重写认证授权方法
public class MyRealm extends AuthorizingRealm{
private AccountManager accountManager;
public void setAccountManager(AccountManager accountManager) {
this.accountManager = accountManager;
}
/**
* 授权信息
*/
protected AuthorizationInfo doGetAuthorizationInfo(
PrincipalCollection principals) {
String username=(String)principals.fromRealm(getName()).iterator().next();
if( username != null ){
User user = accountManager.get( username );
if( user != null && user.getRoles() != null ){
SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
for( SecurityRole each: user.getRoles() ){
info.addRole(each.getName());
info.addStringPermissions(each.getPermissionsAsString());
}
return info;
}
}
return null;
}
/**
* 认证信息
*/
protected AuthenticationInfo doGetAuthenticationInfo(
AuthenticationToken authcToken ) throws AuthenticationException {
UsernamePasswordToken token = (UsernamePasswordToken) authcToken;
String userName = token.getUsername();
if( userName != null && !"".equals(userName) ){
User user = accountManager.login(token.getUsername(),
String.valueOf(token.getPassword()));
if( user != null )
return new SimpleAuthenticationInfo(
user.getLoginName(),user.getPassword(), getName());
}
return null;
}
}参考资料：让Apache Shiro保护你的应用