Shiro+SpringMVC

pom.xml

<dependency>
    <groupId>org.apache.shiro</groupId>
    <artifactId>shiro-core</artifactId>
    <version>1.3.2</version>
</dependency>
<dependency>
    <groupId>org.apache.shiro</groupId>
    <artifactId>shiro-web</artifactId>
    <version>1.3.2</version>
</dependency>
<dependency>
    <groupId>org.apache.shiro</groupId>
    <artifactId>shiro-spring</artifactId>
    <version>1.3.2</version>
</dependency>
<dependency>
    <groupId>org.apache.shiro</groupId>
    <artifactId>shiro-ehcache</artifactId>
    <version>1.3.2</version>
</dependency>

web.xml

<context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath*:applicationContext-mvc.xml,classpath*:applicationContext.xml,classpath*:applicationContext-shiro.xml</param-value>
</context-param>

<filter>
    <filter-name>shiroFilter</filter-name>
    <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
    <init-param>
        <!-- 該值缺省爲false,表示生命週期由SpringApplicationContext管理,設置爲true則表示由ServletContainer管理 -->
        <param-name>targetFilterLifecycle</param-name>
        <param-value>true</param-value>
    </init-param>
</filter>
<filter-mapping>
        <filter-name>shiroFilter</filter-name>
        <url-pattern>/*</url-pattern>
</filter-mapping>

ehcache.xml

<?xml version="1.0" encoding="UTF-8"?>
<ehcache name="shiroCache">
    <diskStore path="java.io.tmpdir" />

    <defaultCache
            maxEntriesLocalHeap="2000"
            eternal="false"
            timeToIdleSeconds="1800"
            timeToLiveSeconds="0"
            overflowToDisk="false"
            statistics="true"
            diskPersistent="false"
            diskExpiryThreadIntervalSeconds="120"/>
</ehcache>

applicationContext-shiro.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"
	   xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd">


	<!-- 安全管理器 -->
	<bean id="securityManager" class="org.apache.shiro.web.mgt.DefaultWebSecurityManager">
		<!-- 設置自定義realm -->
		<property name="realm" ref="shiroDbRealm"/>
		<!-- 將緩存管理器交給安全管理器 -->
		<property name="cacheManager" ref="cacheManager"/>
	</bean>

	<!-- Realm實現 -->
	<bean id="shiroDbRealm" class="com.per.util.ShiroDbRealm" >
		<property name="credentialsMatcher" ref="credentialsMatcher"/>
	</bean>

	<!-- 緩存管理器 使用Ehcache實現 -->
	<bean id="cacheManager" class="org.apache.shiro.cache.ehcache.EhCacheManager">
		<property name="cacheManagerConfigFile" value="classpath:ehcache.xml" />
	</bean>

	<!-- 數據庫保存的密碼是使用MD5算法加密的，所以這裏需要配置一個密碼匹配對象 -->
	<bean id="credentialsMatcher" class="org.apache.shiro.authc.credential.HashedCredentialsMatcher">
		<property name="hashAlgorithmName" value="MD5"/>
	</bean>

	<!-- Shiro的Web過濾器 -->
	<bean id="shiroFilter" class="org.apache.shiro.spring.web.ShiroFilterFactoryBean">
		<!-- Shiro的核心安全接口,這個屬性是必須的 -->
		<property name="securityManager" ref="securityManager" />
		<!-- 要求登錄時的鏈接(可根據項目的URL進行替換),非必須的屬性,默認會自動尋找Web工程根目錄下的"/login.jsp"頁面 -->
		<property name="loginUrl" value="/user/login.do" />
		<!-- 登錄成功後要跳轉的連接 -->
		<!-- <property name="successUrl" value="/system/main"/> -->
		<!-- 用戶訪問未對其授權的資源時,所顯示的連接 -->
		<property name="unauthorizedUrl" value="/user/login.do" />
		<!-- Shiro連接約束配置,即過濾鏈的定義 -->
		<!-- anon表示此地址不需要任何權限即可訪問 -->
		<!-- perms[user:query]表示訪問此連接需要權限爲user:query的用戶 -->
		<!-- roles[manager]表示訪問此連接需要用戶的角色爲manager -->
		<!-- authc 要權限纔可訪問 -->
		<property name="filterChainDefinitions">
			<value>
				/user/login.do = anon
				/cust/list.do = authc
				/cust/chancelist.do = roles[manager]
			</value>
		</property>
	</bean>

	<!-- 保證實現了Shiro內部lifecycle函數的bean執行 -->
	<bean id="lifecycleBeanPostProcessor" class="org.apache.shiro.spring.LifecycleBeanPostProcessor" />
</beans>

ShiroDbRealm.java

import com.htjx.crm.model.Empl;
import com.htjx.crm.model.Role;
import com.htjx.crm.model.SysPermission;
import com.htjx.crm.service.EmplService;
import com.htjx.crm.service.RoleService;
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.subject.PrincipalCollection;

import javax.annotation.Resource;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

/**
 * Created by yangbin on 2017/5/13.
 */
public class ShiroDbRealm extends AuthorizingRealm {

    @Resource
    private EmplService emplService;

    @Resource
    private RoleService roleService;

    /**
     * 提供用戶信息返回權限信息
     * @param principalCollection
     * @return
     */
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        Empl user = (Empl)principalCollection.getPrimaryPrincipal();
        Role role = emplService.getRoleByEmplId(user.getId());

        Set<String> sysPermissionSet = new HashSet<>();
            List<SysPermission> permissionList = roleService.getPermissionListByRoleId(role.getId());
            permissionList.forEach(permission -> {
                sysPermissionSet.add(permission.getUrl());
            });
        SimpleAuthorizationInfo simpleAuthorizationInfo = new SimpleAuthorizationInfo(sysPermissionSet);
        return simpleAuthorizationInfo;
    }

    /**
     * 提供賬戶信息返回認證信息
     * @param authenticationToken
     * @return
     * @throws AuthenticationException
     */
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
        UsernamePasswordToken token = (UsernamePasswordToken) authenticationToken;
        Empl user = emplService.checkUserName(token.getUsername());

        if (user == null) {
            // 用戶名不存在拋出異常
            throw new UnknownAccountException();
        }
        if (0 == user.getStatus()) {
            // 用戶被管理員鎖定拋出異常
            throw new LockedAccountException();
        }
        // 數據庫數據庫中的密碼只做了一次md5，因此不傳salt
        return new SimpleAuthenticationInfo(user, user.getUserPwd(), user.getUserName());
    }
}

LoginController.java

import com.per.crm.constants.UserConstants;
import com.per.crm.service.EmplService;
import com.per.crm.util.BaseController;
import com.per.crm.util.MD5Utils;
import com.per.crm.vo.EmplVo;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import javax.annotation.Resource;

@Controller
@RequestMapping("/user")
public class LoginController extends BaseController {

	private Logger logger = LoggerFactory.getLogger(LoginController.class);

	@Resource
	private EmplService emplService;

	@RequestMapping(value = "/login", method = RequestMethod.POST)
	public String login(String userName, String pwd) {
		EmplVo empl = emplService.emplLogin(userName, MD5Utils.toMD5(pwd));

		Subject subject = SecurityUtils.getSubject();
		UsernamePasswordToken usernamePasswordToken = new UsernamePasswordToken(userName, pwd);
		usernamePasswordToken.setRememberMe(true);
		subject.login(usernamePasswordToken);

		// 將用戶信息放入session
		session.setAttribute(UserConstants.SESSION_KEY_USER_ID, empl);
		return "redirect:/cust/list.do";
	}
}