发布于 2016-01-13 01:08:23 | 337 次阅读 | 评论: 0 | 来源: PHPERZ
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
<!-- shiro-web --> <dependency> <groupId>org.apache.shiro</groupId> <artifactId>shiro-web</artifactId> <version>${shiro-version}</version> </dependency> <!-- shiro-spring --> <dependency> <groupId>org.apache.shiro</groupId> <artifactId>shiro-spring</artifactId> <version>${shiro-version}</version> </dependency> <!-- shiro-ehcache --> <dependency> <groupId>org.apache.shiro</groupId> <artifactId>shiro-ehcache</artifactId> <version>${shiro-version}</version> </dependency> ... <properties> <shiro-version>1.2.4</shiro-version> </properties>
<bean id="lifecycleBeanPostProcessor" class="org.apache.shiro.spring.LifecycleBeanPostProcessor"/>
<bean class="org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator"
depends-on="lifecycleBeanPostProcessor"/>
<bean id="securityManager" class="org.apache.shiro.web.mgt.DefaultWebSecurityManager">
<!-- securityManager 核心控制器 -->
<property name="realm" ref="DefaultRealm"/>
</bean>
<!-- 过滤器配置, 同时在web.xml中配置filter -->
<bean id="shiroFilter" class="org.apache.shiro.spring.web.ShiroFilterFactoryBean">
<property name="securityManager" ref="securityManager"/>
<property name="loginUrl" value="/account/to_login.do"/>
<property name="successUrl" value="/success.jsp"/>
<property name="unauthorizedUrl" value="/noperm.jsp"/>
<property name="filters">
<map>
<entry key="authc">
<bean class="org.apache.shiro.web.filter.authc.PassThruAuthenticationFilter" />
</entry>
</map>
</property>
<property name="filterChainDefinitions">
<value>
/logout.do = anon <!--anon:anonymous, 匿名的, 不需要权限 -->
/image/*.do = authc <!-- 需要认证通过, 即登录成功 -->
/blog/**.do = authc,perms[blog] <!-- 需要名称为blog的权限permission-->
/admin/*.do = authc,roles[admin] <!-- 需要名称为admin的角色role-->
<!-- 说明: /*匹配的的是/abc; /** 匹配的是多个/*, 比如/abc/def -->
</value>
</property>
</bean>
<filter>
<filter-name>shiroFilter</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
<init-param>
<param-name>targetFilterLifecycle</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>shiroFilter</filter-name>
<url-pattern>*.do</url-pattern>
</filter-mapping>
<!-- sitemesh -->
<filter>
<filter-name>sitemesh</filter-name>
<filter-class>org.sitemesh.config.ConfigurableSiteMeshFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>sitemesh</filter-name>
<url-pattern>*.do</url-pattern>
</filter-mapping>
<servlet>
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:app-servlet.xml
</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
PS : shiro filter，放在mvc的filter/servlet前面，如果有sitemesh，放在sitemesh前面
/**
* 登录和检查授权的时候调用当前类
*/
@Component("DefaultRealm")
public class DefaultRealm extends AuthorizingRealm {
@Resource
private AdminDao adminDao;
public DefaultRealm() {
setName("DefaultRealm");// This name must match the name in the User
}
//获取授权信息, 用于验证权限
@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
String username = (String) principalCollection.getPrimaryPrincipal();
AdminUser admin = adminDao.getUniqueByProperty("username", username);
Set<Role> roleSet = admin.getRoles();
if (roleSet != null) {
//获取角色权限
Set<String> roles = new HashSet<>();
Set<String> stringPermissions = new HashSet<>();
for (Role role : roleSet) {
roles.add(role.getRoleName());
//封装到验证信息
Set<Permission> permissions = role.getPermissions();
for (Permission permission : permissions) {
stringPermissions.add(permission.getPermissionName());
}
}
SimpleAuthorizationInfo authorizationInfo = new SimpleAuthorizationInfo();
authorizationInfo.setRoles(roles);
authorizationInfo.setStringPermissions(stringPermissions);
return authorizationInfo;
}
return null;
}
//获取验证信息,用于登录验证用户名密码
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken principals)
throws AuthenticationException {
String username = (String) principals.getPrincipal();
if (StringUtils.isNotEmpty(username)) {
AdminUser admin = adminDao.getUniqueByProperty("username", username);
SimpleAccount account = new SimpleAccount(username, admin.getPassword(), getName());
return account;
}
return null;
}
}
//在MVC的Controller中, 接收参数username和password, 装配成UsernamePasswordToken对象,
//然后用subject对象login方法进行登录.
UsernamePasswordToken token = new UsernamePasswordToken(username, password);
Subject subject = SecurityUtils.getSubject();
subject.login(token);
@Entity
public class User {
private String username;
private String password="";
//省略getter setter
private Set<Role> roles;
@ManyToMany(targetEntity=Role.class)
public Set<Role> getRoles() {
return roles;
}
public void setRoles(Set<Role> roles) {
this.roles = roles;
}
}
@Entity
public class Role{
private String roleName; //省略getter setter
private Set<Permission> permissions = new HashSet<>();
@ManyToMany
public Set<Permission> getPermissions() {
return permissions;
}
public void setPermissions(Set<Permission> permissions) {
this.permissions = permissions;
}
}
@Entity
public class Permission {
private String permissionName;//省略getter setter
}