springcloud网关拦截+redis+自定义token做登录验证操作

网上看到的token做起来都太复杂，介绍说耗费的内存较大，写的封装方法非常多，看来看去非常不方便，自己就借助token思想，和网关拦截器组合操作的登录验证机制。

1.下面这段代码就是用户请求，验证数据库是否有这个用户名和密码，用户登录成功与否，成功登录就生成token存储到redis里

package gsa.rest.datacenter.rest.login;

import gsa.base.common.Enum.StatusCode;
import gsa.base.common.Utils.DataResult;
import gsa.base.datasources.Redisconfig.RedisTemplete;
import gsa.rest.datacenter.service.login.LoginService;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletResponse;
import java.util.List;
import java.util.UUID;

/**
 * Created by df on 2018/9/28.
 */
@Controller
@Slf4j
@CrossOrigin
@RequestMapping("/login")
public class LoginController {
    private static final Logger log = LoggerFactory.getLogger(LoginController.class);
    @Autowired
    private LoginService loginService;

    @Autowired
    private RedisTemplete redisTemplete;

    @Value("${redis