SpringBoot大学心理服务系统实现流程分步讲解

 /**
     * 注册
     * @param user
     * @return
     */
    @PostMapping("register")
    public Map<String, Object> signUp(@RequestBody User user) {
        // 查询用户
        Map<String, String> query = new HashMap<>();
        query.put("username",user.getUsername());
        List list = service.select(query, new HashMap<>()).getResultList();
        if (list.size()>0){
            return error(30000, "用户已存在");
        }
        user.setUserId(null);
        user.setPassword(service.encryption(user.getPassword()));
        service.save(user);
        return success(1);
    }

 /**
     * 登录
     * @param data
     * @param httpServletRequest
     * @return
     */
    @PostMapping("login")
    public Map<String, Object> login(@RequestBody Map<String, String> data, HttpServletRequest httpServletRequest) {
        log.info("[执行登录接口]");
        String username = data.get("username");
        String email = data.get("email");
        String phone = data.get("phone");
        String password = data.get("password");
        List resultList = null;
        Map<String, String> map = new HashMap<>();
        if(username != null && "".equals(username) == false){
            map.put("username", username);
            resultList = service.select(map, new HashMap<>()).getResultList();
        }
        else if(email != null && "".equals(email) == false){
            map.put("email", email);
            resultList = service.select(map, new HashMap<>()).getResultList();
        }
        else if(phone != null && "".equals(phone) == false){
            map.put("phone", phone);
            resultList = service.select(map, new HashMap<>()).getResultList();
        }else{
            return error(30000, "账号或密码不能为空");
        }
        if (resultList == null || password == null) {
            return error(30000, "账号或密码不能为空");
        }
        //判断是否有这个用户
        if (resultList.size()<=0){
            return error(30000,"用户不存在");
        }
        User byUsername = (User) resultList.get(0);
        Map<String, String> groupMap = new HashMap<>();
        groupMap.put("name",byUsername.getUserGroup());
        List groupList = userGroupService.select(groupMap, new HashMap<>()).getResultList();
        if (groupList.size()<1){
            return error(30000,"用户组不存在");
        }
        UserGroup userGroup = (UserGroup) groupList.get(0);
        //查询用户审核状态
        if (!StringUtils.isEmpty(userGroup.getSourceTable())){
            String sql = "select examine_state from "+ userGroup.getSourceTable() +" WHERE user_id = " + byUsername.getUserId();
            String res = String.valueOf(service.runCountSql(sql).getSingleResult());
            if (res==null){
                return error(30000,"用户不存在");
            }
            if (!res.equals("已通过")){
                return error(30000,"该用户审核未通过");
            }
        }