1.配置 pom

<shiro.version>1.4.0</shiro.version>

   <!--shiro start--><dependency>  <groupId>org.apache.shiro</groupId>  <artifactId>shiro-core</artifactId>  <version>${shiro.version}</version></dependency><dependency>  <groupId>org.apache.shiro</groupId>  <artifactId>shiro-web</artifactId>  <version>${shiro.version}</version></dependency><dependency>  <groupId>org.apache.shiro</groupId>  <artifactId>shiro-ehcache</artifactId>  <version>${shiro.version}</version></dependency><dependency>  <groupId>org.apache.shiro</groupId>  <artifactId>shiro-spring</artifactId>  <version>${shiro.version}</version></dependency>

<!--shiro end-->

  1. MyShiroRealm.页游java

package org.fh.realm;
import java.util.Collection;
import java.util.HashSet;
import org.apache.shiro.authc.*;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.PrincipalCollection;
import org.fh.service.system.UsersService;
import org.fh.util.Const;
import org.fh.util.Jurisdiction;
import org.fh.entity.PageData;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Lazy;

public class MyShiroRealm extends AuthorizingRealm {

@Autowired@Lazyprivate UsersService usersService;/** * 登录认证 */@Overrideprotected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {    UsernamePasswordToken token = (UsernamePwww.sangpi.comasswordToken)authenticationToken;  //UsernamePasswordToken用于寄存提交的登录信息PageData pd = new PageData();pd.put("USERNAME", token.getUsername());

try {
pd = usersService.findByUsername(pd);
if (pd != null){

return new SimpleAuthenticationInfo(pd.getString("USERNAME"), pd.getString("PASSWORD"), getName());    }

} catch (Exception e) {
return null;
}
return null;

}

@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
String USERNAME = (String) super.getAvailablePrincipal(principals);
SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
Session session = Jurisdiction.getSession();
Collection<String> shiroSet= new HashSet<String>();
shiroSet = (Collection<String>)session.getAttribute(USERNAME + Const.SHIROSET);
if(null != shiroSet){
info.addStringPermissions(shiroSet);
return info;
}else {
return null;
}
}
}