Redis实现Single单点登入--系统框架搭建(一)

@Slf4j
@RestController
@RequestMapping("/redis/single")
public class RedisSingleController {

    private static final String NAME = "name";
    private static final String PASSWORD = "password";

    @Resource
    private RedisTemplate redisTemplate;

    @GetMapping("/login_page")
    public ModelAndView loginPage(){
        ModelAndView mv  = new ModelAndView();
        mv.setViewName("loginPage");
        return mv;
    }

    /**
     * 系统1
     * @return
     */
    @GetMapping("/system1")
    public ModelAndView system1(HttpServletRequest request){
        ModelAndView mv  = new ModelAndView();
        if(redisTemplate.hasKey("name")){
            mv.setViewName("systemOnePage");
            return mv;
        }
        request.getSession().setAttribute("goUrl","indexSystem1");
        mv.setViewName("loginPage");
        return mv;
    }

    /**
     * 系统2
     * @return
     */
    @GetMapping("/system2")
    public ModelAndView system2(HttpServletRequest request){
        ModelAndView mv  = new ModelAndView();
        if(redisTemplate.hasKey("name")){
            mv.setViewName("systemTwoPage");
            return mv;
        }
        request.getSession().setAttribute("goUrl","indexSystem2");
        mv.setViewName("loginPage");
        return mv;
    }

    /**
     * 效验账号密码是否正常
     * @param name
     * @param password
     * @return
     */
    @PostMapping("/detection")
    @ResponseBody
    public Map<String, Object> index( String name, String password, String gotoUrl){
        Map<String, Object> map = new HashMap<>();
        if(!ObjectUtil.equals(name,NAME) || !ObjectUtil.equals(password,PASSWORD)){
            map.put("flag",false);
            map.put("data","账号密码不匹配!");
            return map;
        }
        map.put("flag",true);
        map.put("data","账号密码正确!");
        //redis缓存20s失效
        redisTemplate.opsForValue().set("name",name,10, TimeUnit.SECONDS);
        return map;
    }

    /**
     * 登入成功，系统一进入首页
     * @return
     */
    @GetMapping("/indexSystem1")
    @ResponseBody
    public ModelAndView index(){
        ModelAndView mv  = new ModelAndView();
        mv.setViewName("systemOnePage");
        return mv;
    }

    /**
     * 登入成功，系统二进入首页
     * @return
     */
    @GetMapping("/indexSystem2")
    @ResponseBody
    public ModelAndView indexSystem2(){
        ModelAndView mv  = new ModelAndView();
        mv.setViewName("systemTwoPage");
        return mv;
    }