若依 security+cas 整合

1、application-dev.yml 配置文件新增

#CAS
cas:
  server:
    host:
      #CAS服务地址
#      url: http://127.0.0.1:8080/cas
      url: http://cas服务器地址:8080/cas
      #CAS服务登录地址
      login_url: ${cas.server.host.url}/login
      #CAS服务登出地址
      logout_url: ${cas.server.host.url}/logout?service=${app.server.host.url}
# 应用访问地址
app:
  #开启cas
  casEnable: true
  server:
    host:
      url: http://127.0.0.1:${server.port}
  #应用登录地址
  login_url: /affairs/casLogin
  #应用登出地址
  logout_url: /logout
  #后管前端页面跳转地址
  manager_url: http://192.168.1.4/index
  #pc前端页面跳转地址--预留
  web_url: http://192.168.1.4/index

2、新增CasAuthenticationRedirect.java (重写cas入口,为了能够支持自定义跳转)

package com.ruoyi.project.plan.test;

import cn.hutool.core.util.StrUtil;
import org.springframework.security.cas.web.CasAuthenticationEntryPoint;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 重写Cas入口
 * 自定义客户端第一次回调路径  http://localhost:9999/testLogin/casLogin?url=123123
 * 主要是为了进行url参数的回调获取
 *
 * @author ruoyi
 */
public class CasAuthenticationRedirect extends CasAuthenticationEntryPoint {

    @Override
    protected String createServiceUrl(final HttpServletRequest request, final HttpServletResponse response) {
        String serviceUrlBak = getServiceProperties().getService();
        String queryString = request.getQueryString();
        String serviceUrl = "";
        if (StrUtil.isNotBlank(queryString)) {
            serviceUrl += "?" + queryString;
        }
        getServiceProperties().setService(serviceUrlBak + serviceUrl);
        return super.createServiceUrl(request, response);
    }
}

3、新增CasLoginController.java (认证成功之后回调到本地登录地址,和上一步对应)

package com.ruoyi.project.system.controller;

import cn.hutool.core.util.StrUtil;
import com.ruoyi.framework.config.properties.CasProperties;
import com.ruoyi.framework.security.LoginUser;
import com.ruoyi.framework.security.service.TokenService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 登录验证
 *
 * @author ruoyi
 */
@Slf4j
@RestController
@RequestMapping("/affairs")
public class CasLoginController {

    @Autowired
    private TokenService tokenService;

    @Autowired
    private CasProperties casProperties;

    @GetMapping(value = "/casLogin")
    public void login(String url, HttpServletRequest request, HttpServletResponse response) throws Exception {
        System.out.println(url);
        // 只是为了跳转到cas服务端的登录页面  登录成功后会跳回此页
        // 可根据自身系统进行代码增强
        // 获取当前用户信息
        LoginUser userDetails = (LoginUser) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
        String token = tokenService.createToken(userDetails);
        if (StrUtil.isNotBlank(url)) {
            response.sendRedirect(url + "?token=" + token);
        } else {
            response.sendRedirect(casProperties.getManagerUrl() + "?token=" + token);
        }
    }
}

4、新增CasProperties.java

package com.ruoyi.framework.config.properties;

import lombok.Data;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

/**
 * cas 属性配置
 *
 * @author ruoyi
 */
@Component
@Data
public class CasProperties {
    @Value("${cas.server.host.url}")
    private String casServerUrl;

    @Value("${cas.server.host.login_url}")
    private String casServerLoginUrl;

    @Value("${cas.server.host.logout_url}")
    private String casServerLogoutUrl;

    @Value("${app.casEnable}")
    
    private boolean casEnable;

    @Value("${app.server.host.url}")
    private String appServerUrl;

    @Value("${app.login_url}")
    private String appLoginUrl;

    @Value("${app.logout_url}")
    private String appLogoutUrl;

    @Value("${app.manager_url}")
    private String managerUrl;

    @Value("${app.web_url}")
    private String webUrl;

}

5、新增CasUserDetailsService.java (新增类,用于登录成功之后的跳转)

package com.ruoyi.framework.security.service;

import com.ruoyi.common.enums.UserStatus;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.framework.security.LoginUser;
import com.ruoyi.project.system.domain.SysUser;
import com.ruoyi.project.system.service.ISysUserService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.cas.authentication.CasAssertionAuthenticationToken;
import org.springframework.security.core.userdetails.AuthenticationUserDetailsService;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

/**
 * 用于加载用户信息
 * 实现UserDetailsService接口
 * 或者实现AuthenticationUserDetailsService接口
 *
 * @author ruoyi
 */
@Service
public class CasUserDetailsService implements AuthenticationUserDetailsService {

    private static final Logger log = LoggerFactory.getLogger(UserDetailsServiceImpl.class);

    @Autowired
    private ISysUserService userService;

    @Autowired
    private SysPermissionService permissionService;

    @Override
    public UserDetails loadUserDetails(CasAssertionAuthenticationToken token) throws UsernameNotFoundException {
//        String username = token.getName();
        String username = "admin";
        SysUser user = userService.selectUserByUserName(username);
        if (StringUtils.isNull(user)) {
            log.info("登录用户:{} 不存在.", username);
            throw new ServiceException("登录用户:" + username + " 不存在");
        } else if (UserStatus.DELETED.getCode().equals(user.getDelFlag())) {
            log.info("登录用户:{} 已被删除.", username);
            throw new ServiceException("对不起,您的账号:" + username + " 已被删除");
        } else if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
            log.info("登录用户:{} 已被停用.", username);
            throw new ServiceException("对不起,您的账号:" + username + " 已停用");
        }

        return createLoginUser(user);
    }

    public UserDetails createLoginUser(SysUser user) {
        return new LoginUser(user.getUserId(), user.getDeptId(), user, permissionService.getMenuPermission(user));
    }
}

6、修改LoginUser.java (修改一个地方,最后一行 return new HashSet<>();)

package com.ruoyi.framework.security;

import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
import com.alibaba.fastjson2.annotation.JSONField;
import com.ruoyi.project.system.domain.SysUser;

/**
 * 登录用户身份权限
 * 
 * @author ruoyi
 */
public class LoginUser implements UserDetails
{
    private static final long serialVersionUID = 1L;

    /**
     * 用户ID
     */
    private Long userId;

    /**
     * 部门ID
     */
    private Long deptId;

    /**
     * 用户唯一标识
     */
    private String token;

    /**
     * 登录时间
     */
    private Long loginTime;

    /**
     * 过期时间
     */
    private Long expireTime;

    /**
     * 登录IP地址
     */
    private String ipaddr;

    /**
     * 登录地点
     */
    private String loginLocation;

    /**
     * 浏览器类型
     */
    private String browser;

    /**
     * 操作系统
     */
    private String os;

    /**
     * 权限列表
     */
    private Set permissions;

    /**
     * 用户信息
     */
    private SysUser user;

    public Long getUserId()
    {
        return userId;
    }

    public void setUserId(Long userId)
    {
        this.userId = userId;
    }

    public Long getDeptId()
    {
        return deptId;
    }

    public void setDeptId(Long deptId)
    {
        this.deptId = deptId;
    }

    public String getToken()
    {
        return token;
    }

    public void setToken(String token)
    {
        this.token = token;
    }

    public LoginUser()
    {
    }

    public LoginUser(SysUser user, Set permissions)
    {
        this.user = user;
        this.permissions = permissions;
    }

    public LoginUser(Long userId, Long deptId, SysUser user, Set permissions)
    {
        this.userId = userId;
        this.deptId = deptId;
        this.user = user;
        this.permissions = permissions;
    }

    @JSONField(serialize = false)
    @Override
    public String getPassword()
    {
        return user.getPassword();
    }

    @Override
    public String getUsername()
    {
        return user.getUserName();
    }

    /**
     * 账户是否未过期,过期无法验证
     */
    @JSONField(serialize = false)
    @Override
    public boolean isAccountNonExpired()
    {
        return true;
    }

    /**
     * 指定用户是否解锁,锁定的用户无法进行身份验证
     * 
     * @return
     */
    @JSONField(serialize = false)
    @Override
    public boolean isAccountNonLocked()
    {
        return true;
    }

    /**
     * 指示是否已过期的用户的凭据(密码),过期的凭据防止认证
     * 
     * @return
     */
    @JSONField(serialize = false)
    @Override
    public boolean isCredentialsNonExpired()
    {
        return true;
    }

    /**
     * 是否可用 ,禁用的用户不能身份验证
     * 
     * @return
     */
    @JSONField(serialize = false)
    @Override
    public boolean isEnabled()
    {
        return true;
    }

    public Long getLoginTime()
    {
        return loginTime;
    }

    public void setLoginTime(Long loginTime)
    {
        this.loginTime = loginTime;
    }

    public String getIpaddr()
    {
        return ipaddr;
    }

    public void setIpaddr(String ipaddr)
    {
        this.ipaddr = ipaddr;
    }

    public String getLoginLocation()
    {
        return loginLocation;
    }

    public void setLoginLocation(String loginLocation)
    {
        this.loginLocation = loginLocation;
    }

    public String getBrowser()
    {
        return browser;
    }

    public void setBrowser(String browser)
    {
        this.browser = browser;
    }

    public String getOs()
    {
        return os;
    }

    public void setOs(String os)
    {
        this.os = os;
    }

    public Long getExpireTime()
    {
        return expireTime;
    }

    public void setExpireTime(Long expireTime)
    {
        this.expireTime = expireTime;
    }

    public Set getPermissions()
    {
        return permissions;
    }

    public void setPermissions(Set permissions)
    {
        this.permissions = permissions;
    }

    public SysUser getUser()
    {
        return user;
    }

    public void setUser(SysUser user)
    {
        this.user = user;
    }

    @Override
    public Collection getAuthorities()
    {
        return new HashSet<>();
    }
}

7、修改SecurityConfig.java (注意检查自己的配置--CasAuthenticationRedirect 认证入口)

package com.ruoyi.framework.config;

import com.ruoyi.framework.config.properties.CasProperties;
import com.ruoyi.framework.config.properties.PermitAllUrlProperties;
import com.ruoyi.framework.security.filter.JwtAuthenticationTokenFilter;
import com.ruoyi.framework.security.handle.AuthenticationEntryPointImpl;
import com.ruoyi.framework.security.handle.LogoutSuccessHandlerImpl;
import com.ruoyi.project.plan.test.CasAuthenticationRedirect;
import org.jasig.cas.client.session.SingleSignOutFilter;
import org.jasig.cas.client.validation.Cas20ServiceTicketValidator;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.http.HttpMethod;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.cas.ServiceProperties;
import org.springframework.security.cas.authentication.CasAuthenticationProvider;
import org.springframework.security.cas.web.CasAuthenticationEntryPoint;
import org.springframework.security.cas.web.CasAuthenticationFilter;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.annotation.web.configurers.ExpressionUrlAuthorizationConfigurer;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.core.userdetails.AuthenticationUserDetailsService;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.web.authentication.logout.LogoutFilter;
import org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler;
import org.springframework.web.filter.CorsFilter;

/**
 * spring security配置
 *
 * @author ruoyi
 */
@EnableGlobalMethodSecurity(prePostEnabled = true, securedEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    private CasProperties casProperties;

    @Autowired
    private AuthenticationUserDetailsService casUserDetailService;

    /**
     * 自定义用户认证逻辑
     */
    @Autowired
    private UserDetailsService userDetailsService;

    /**
     * 认证失败处理类
     */
    @Autowired
    private AuthenticationEntryPointImpl unauthorizedHandler;

    /**
     * 退出处理类
     */
    @Autowired
    private LogoutSuccessHandlerImpl logoutSuccessHandler;

    /**
     * token认证过滤器
     */
    @Autowired
    private JwtAuthenticationTokenFilter authenticationTokenFilter;

    /**
     * 跨域过滤器
     */
    @Autowired
    private CorsFilter corsFilter;

    /**
     * 允许匿名访问的地址
     */
    @Autowired
    private PermitAllUrlProperties permitAllUrl;

    /**
     * 设置AuthenticationProvider
     */
    @Autowired
    public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
        auth.authenticationProvider(casAuthenticationProvider());
    }

    /**
     * 解决 无法直接注入 AuthenticationManager
     *
     * @return
     * @throws Exception
     */
    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }

    /**
     * anyRequest          |   匹配所有请求路径
     * access              |   SpringEl表达式结果为true时可以访问
     * anonymous           |   匿名可以访问
     * denyAll             |   用户不能访问
     * fullyAuthenticated  |   用户完全认证可以访问(非remember-me下自动登录)
     * hasAnyAuthority     |   如果有参数,参数表示权限,则其中任何一个权限可以访问
     * hasAnyRole          |   如果有参数,参数表示角色,则其中任何一个角色可以访问
     * hasAuthority        |   如果有参数,参数表示权限,则其权限可以访问
     * hasIpAddress        |   如果有参数,参数表示IP地址,如果用户IP和参数匹配,则可以访问
     * hasRole             |   如果有参数,参数表示角色,则其角色可以访问
     * permitAll           |   用户可以任意访问
     * rememberMe          |   允许通过remember-me登录的用户访问
     * authenticated       |   用户登录后可访问
     */
    @Override
    protected void configure(HttpSecurity httpSecurity) throws Exception {
        // 注解标记允许匿名访问的url
        ExpressionUrlAuthorizationConfigurer.ExpressionInterceptUrlRegistry registry = httpSecurity.authorizeRequests().antMatchers(HttpMethod.OPTIONS, "/**").permitAll();
        permitAllUrl.getUrls().forEach(url -> registry.antMatchers(url).permitAll());

        httpSecurity
                // CSRF禁用,因为不使用session
                .csrf().disable()
                // 禁用HTTP响应标头
                .headers().cacheControl().disable().and()
                // 认证失败处理类
                .exceptionHandling().authenticationEntryPoint(unauthorizedHandler).and()
                // 基于token,所以不需要session
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS).and()
                // 过滤请求
                .authorizeRequests()
                // 对于登录login 注册register 验证码captchaImage 允许匿名访问
                .antMatchers("/login", "/register", "/captchaImage").permitAll()
                // 静态资源,可匿名访问
                .antMatchers(HttpMethod.GET, "/", "/*.html", "/**/*.html", "/**/*.css", "/**/*.js", "/profile/**").permitAll()
                .antMatchers("/swagger-ui.html", "/swagger-resources/**", "/webjars/**", "/*/api-docs", "/druid/**").permitAll()
                .antMatchers("/**/dev-api/**").anonymous()
                // 接口请求地址为/anonymity
                .antMatchers("/**/anonymity/**").anonymous()
                // 除上面外的所有请求全部需要鉴权认证
                .anyRequest().authenticated()
                .and()
                .headers().frameOptions().disable();
        // 添加Logout filter
        httpSecurity.logout().permitAll().logoutSuccessHandler(logoutSuccessHandler);
        httpSecurity.addFilter(casAuthenticationFilter())
                .addFilterBefore(authenticationTokenFilter, CasAuthenticationFilter.class)
                .addFilterBefore(singleSignOutFilter(), CasAuthenticationFilter.class).exceptionHandling()
                .authenticationEntryPoint(casAuthenticationEntryPoint());

        // 添加CORS filter
        httpSecurity.addFilterBefore(corsFilter, JwtAuthenticationTokenFilter.class);
        httpSecurity.addFilterBefore(corsFilter, LogoutFilter.class);
        // disable page caching
        httpSecurity.headers().cacheControl();
    }

    /**
     * 强散列哈希加密实现
     */
    @Bean
    public BCryptPasswordEncoder bCryptPasswordEncoder() {
        return new BCryptPasswordEncoder();
    }

    /**
     * 身份认证接口
     */
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
//        auth.userDetailsService(userDetailsService).passwordEncoder(bCryptPasswordEncoder());
        if (casProperties.isCasEnable()) {
            super.configure(auth);
            auth.authenticationProvider(casAuthenticationProvider());
        }
    }

    /**
     * cas认证入口
     */
    @Bean
    public CasAuthenticationEntryPoint casAuthenticationEntryPoint() {
        // 自定义入口类,进行自定义参数传参
        CasAuthenticationEntryPoint casAuthenticationEntryPoint = new CasAuthenticationRedirect();
        //设置cas 服务端登录url ${cas.server.host.url}/login
        casAuthenticationEntryPoint.setLoginUrl(casProperties.getCasServerLoginUrl());
        //设置cas 客户端信息
        casAuthenticationEntryPoint.setServiceProperties(serviceProperties());
        return casAuthenticationEntryPoint;
    }

    /**
     * cas客户端信息
     */
    @Bean
    public ServiceProperties serviceProperties() {
        ServiceProperties serviceProperties = new ServiceProperties();
        //设置cas客户端登录完整的url  ${cas.server.host.url}/testLogin/casLogin
        serviceProperties.setService(casProperties.getAppServerUrl() + casProperties.getAppLoginUrl());
        serviceProperties.setAuthenticateAllArtifacts(true);
        return serviceProperties;
    }

    /**
     * cas认证过滤器
     * casAuthenticationFilter.setFilterProcessesUrl 必须要设置完整路径 不然会无限重定向
     */
    @Bean
    public CasAuthenticationFilter casAuthenticationFilter() throws Exception {
        CasAuthenticationFilter casAuthenticationFilter = new CasAuthenticationFilter();
        casAuthenticationFilter.setAuthenticationManager(authenticationManager());
        casAuthenticationFilter.setFilterProcessesUrl(casProperties.getAppServerUrl() + casProperties.getAppLoginUrl());
        casAuthenticationFilter.setServiceProperties(serviceProperties());
        return casAuthenticationFilter;
    }

    /**
     * cas认证Provider
     */
    @Bean
    public CasAuthenticationProvider casAuthenticationProvider() {
        CasAuthenticationProvider casAuthenticationProvider = new CasAuthenticationProvider();
        //设置UserDetailService 登录成功后 会进入loadUserDetails方法中
        casAuthenticationProvider.setAuthenticationUserDetailsService(casUserDetailService);
        //设置cas 客户端信息
        casAuthenticationProvider.setServiceProperties(serviceProperties());
        //设置cas 票证验证器
        casAuthenticationProvider.setTicketValidator(cas20ServiceTicketValidator());
        casAuthenticationProvider.setKey("casAuthenticationProviderKey");
        return casAuthenticationProvider;
    }

    /**
     * cas 票证验证器
     */
    @Bean
    public Cas20ServiceTicketValidator cas20ServiceTicketValidator() {
        return new Cas20ServiceTicketValidator(casProperties.getCasServerUrl());
    }

    /**
     * 单点注销过滤器
     * 用于接收cas服务端的注销请求
     */
    @Bean
    public SingleSignOutFilter singleSignOutFilter() {
        SingleSignOutFilter singleSignOutFilter = new SingleSignOutFilter();
        singleSignOutFilter.setCasServerUrlPrefix(casProperties.getCasServerUrl());
        singleSignOutFilter.setIgnoreInitConfiguration(true);
        return singleSignOutFilter;
    }

    /**
     * 单点退出过滤器
     * 用于跳转到cas服务端
     */
    @Bean
    public LogoutFilter logoutFilter() {
        LogoutFilter logoutFilter = new LogoutFilter(casProperties.getCasServerLogoutUrl(), new SecurityContextLogoutHandler());
        logoutFilter.setFilterProcessesUrl(casProperties.getAppLogoutUrl());
        return logoutFilter;
    }


}

后端整合完毕,前端进行修改

1、修改permission 未登录这块(跳转到index页面的时候做特殊处理,后端返回token,前端设置)

import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress'
import 'nprogress/nprogress.css'
import { getToken,setToken } from '@/utils/auth'
import { isRelogin } from '@/utils/request'

NProgress.configure({ showSpinner: false })

const whiteList = ['/login', '/register']

router.beforeEach((to, from, next) => {
  NProgress.start()
  if (getToken()) {
    to.meta.title && store.dispatch('settings/setTitle', to.meta.title)
    /* has token*/
    if (to.path === '/login') {
      next({ path: '/' })
      NProgress.done()
    } else {
      if (store.getters.roles.length === 0) {
        isRelogin.show = true
        // 判断当前用户是否已拉取完user_info信息
        store.dispatch('GetInfo').then(() => {
          isRelogin.show = false
          store.dispatch('GenerateRoutes').then(accessRoutes => {
            // 根据roles权限生成可访问的路由表
            router.addRoutes(accessRoutes) // 动态添加可访问路由表
            next({ ...to, replace: true }) // hack方法 确保addRoutes已完成
          })
        }).catch(err => {
            store.dispatch('LogOut').then(() => {
              Message.error(err)
              next({ path: '/' })
            })
          })
      } else {
        next()
      }
    }
  } else {
    // 没有token
    if (whiteList.indexOf(to.path) !== -1) {
      // 在免登录白名单,直接进入
      next()
    } else if(to.path === '/index'){
      debugger
      let token = to.query.token
      if(token != null) {
        setToken(token)
        next({ path: '/index' })
      } else {
        location.href="http://cas服务器地址:8080/cas/logout?service=http://localhost:9999/affairs/casLogin"
      }
    } else {
      next(`/login?redirect=${to.fullPath}`) // 否则全部重定向到登录页
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  NProgress.done()
})

2、修改request.js 注释掉logout 84行

import axios from 'axios'
import { Notification, MessageBox, Message, Loading } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import { tansParams, blobValidate } from "@/utils/ruoyi";
import cache from '@/plugins/cache'
import { saveAs } from 'file-saver'

let downloadLoadingInstance;
// 是否显示重新登录
export let isRelogin = { show: false };

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项,表示请求URL公共部分
  baseURL: process.env.VUE_APP_BASE_API,
  // 超时
  timeout: 10000
})

// request拦截器
service.interceptors.request.use(config => {
  // 是否需要设置 token
  const isToken = (config.headers || {}).isToken === false
  // 是否需要防止数据重复提交
  const isRepeatSubmit = (config.headers || {}).repeatSubmit === false
  if (getToken() && !isToken) {
    config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
  }
  // get请求映射params参数
  if (config.method === 'get' && config.params) {
    let url = config.url + '?' + tansParams(config.params);
    url = url.slice(0, -1);
    config.params = {};
    config.url = url;
  }
  if (!isRepeatSubmit && (config.method === 'post' || config.method === 'put')) {
    const requestObj = {
      url: config.url,
      data: typeof config.data === 'object' ? JSON.stringify(config.data) : config.data,
      time: new Date().getTime()
    }
    const sessionObj = cache.session.getJSON('sessionObj')
    if (sessionObj === undefined || sessionObj === null || sessionObj === '') {
      cache.session.setJSON('sessionObj', requestObj)
    } else {
      const s_url = sessionObj.url;                  // 请求地址
      const s_data = sessionObj.data;                // 请求数据
      const s_time = sessionObj.time;                // 请求时间
      const interval = 1000;                         // 间隔时间(ms),小于此时间视为重复提交
      if (s_data === requestObj.data && requestObj.time - s_time < interval && s_url === requestObj.url) {
        const message = '数据正在处理,请勿重复提交';
        console.warn(`[${s_url}]: ` + message)
        return Promise.reject(new Error(message))
      } else {
        cache.session.setJSON('sessionObj', requestObj)
      }
    }
  }
  return config
}, error => {
    console.log(error)
    Promise.reject(error)
})

// 响应拦截器
service.interceptors.response.use(res => {
    // 未设置状态码则默认成功状态
    const code = res.data.code || 200;
    // 获取错误信息
    const msg = errorCode[code] || res.data.msg || errorCode['default']
    // 二进制数据则直接返回
    if(res.request.responseType ===  'blob' || res.request.responseType ===  'arraybuffer'){
      return res.data
    }
    if (code === 401) {
      if (!isRelogin.show) {
        isRelogin.show = true;
        MessageBox.confirm('登录状态已过期,您可以继续留在该页面,或者重新登录', '系统提示', { confirmButtonText: '重新登录', cancelButtonText: '取消', type: 'warning' }).then(() => {
          isRelogin.show = false;
          store.dispatch('LogOut').then(() => {
            // location.href = '/index';
          })
      }).catch(() => {
        isRelogin.show = false;
      });
    }
      return Promise.reject('无效的会话,或者会话已过期,请重新登录。')
    } else if (code === 500) {
      Message({ message: msg, type: 'error' })
      return Promise.reject(new Error(msg))
    } else if (code === 601) {
      Message({ message: msg, type: 'warning' })
      return Promise.reject('error')
    } else if (code !== 200) {
      Notification.error({ title: msg })
      return Promise.reject('error')
    } else {
      return res.data
    }
  },
  error => {
    console.log('err' + error)
    let { message } = error;
    if (message == "Network Error") {
      message = "后端接口连接异常";
    } else if (message.includes("timeout")) {
      message = "系统接口请求超时";
    } else if (message.includes("Request failed with status code")) {
      message = "系统接口" + message.substr(message.length - 3) + "异常";
    }
    Message({ message: message, type: 'error', duration: 5 * 1000 })
    return Promise.reject(error)
  }
)

// 通用下载方法
export function download(url, params, filename, config) {
  downloadLoadingInstance = Loading.service({ text: "正在下载数据,请稍候", spinner: "el-icon-loading", background: "rgba(0, 0, 0, 0.7)", })
  return service.post(url, params, {
    transformRequest: [(params) => { return tansParams(params) }],
    headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
    responseType: 'blob',
    ...config
  }).then(async (data) => {
    const isLogin = await blobValidate(data);
    if (isLogin) {
      const blob = new Blob([data])
      saveAs(blob, filename)
    } else {
      const resText = await data.text();
      const rspObj = JSON.parse(resText);
      const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default']
      Message.error(errMsg);
    }
    downloadLoadingInstance.close();
  }).catch((r) => {
    console.error(r)
    Message.error('下载文件出现错误,请联系管理员!')
    downloadLoadingInstance.close();
  })
}

export default service

修改user.js 配置退出的时候重新跳转

// 退出系统
    LogOut({ commit, state }) {
      return new Promise((resolve, reject) => {
        logout(state.token).then(() => {
          commit('SET_TOKEN', '')
          commit('SET_ROLES', [])
          commit('SET_PERMISSIONS', [])
          removeToken()
          resolve()
          location.href="http://cas服务器地址:8080/cas/logout?service=http://localhost:9999/affairs/casLogin"
        }).catch(error => {
          reject(error)
        })
      })
    },

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