双token和无感刷新token

登陆接口生成双token

"github.com/dgrijalva/jwt-go"

func (this UserController) DoLogin(ctx *gin.Context) {
	username := ctx.Request.FormValue("username")
	passWord := ctx.Request.FormValue("password")
	passMd5 := middlewares.CreateMD5(passWord)
	expireTime := time.Now().Add(10 * time.Second).Unix() //token过期时间10秒，主要是测试方便
	refreshTime := time.Now().Add(20 * time.Second).Unix() //刷新的时间限制，超过20秒重新登录
	user := []modules.User{}
	err := modules.DB.Model(&modules.User{}).Where("username = ? AND password = ?", username, passMd5).Find(&user).Error
	if err != nil || len(user) == 0 {
		ctx.JSON(400, gin.H{
			"success": false,
			"message": "用户名或密码错误",
		})
	} else {
		println("expireTime", string(rune(expireTime)))
		myClaims := MyClaims{
			user.Id,
			jwt.StandardClaims{
				ExpiresAt: expireTime,
			},
		}
		myClaimsRefrrsh := MyClaims{
			user.Id,
			jwt.StandardClaims{
				ExpiresAt: refreshTime,
			},
		}
		jwtKey := []byte("lyf123456")
		tokenObj := jwt.NewWithClaims(jwt.SigningMethodHS256, myClaims)
		tokenStr, err := tokenObj.SignedString(jwtKey)
		tokenFresh := jwt.NewWithClaims(jwt.SigningMethodHS256, myClaimsRefrrsh)
		tokenStrRefresh, err2 := tokenFresh.SignedString(jwtKey)
		if err != nil && err2 != nil {
			ctx.JSON(200, gin.H{
				"message": "生成token失败",
				"success": false,
			})
		} else {
			ctx.JSON(200,