token.go

ui := ctx.MustGet("user_info").(*model.UserInfo)

	atClaims := jwt.MapClaims{}
	atClaims["message"] = "hello"
	atClaims["userID"] = ui.UserID
	atClaims["now"] = time.Now().Add(time.Hour * 72).Unix()
	atClaims["exp"] = time.Now().Add(time.Minute * 15).Unix()
	var mySigningKey = "ASKS1298dn125568mJQ12=masd=09856nAnD=8J4"
	token := jwt.NewWithClaims(jwt.GetSigningMethod("HS256"), atClaims)
	tokenString, err := token.SignedString([]byte(mySigningKey))

	md5Token := fmt.Sprintf("%x", md5.Sum([]byte(tokenString)))