middleware

var Auth gin.HandlerFunc = func(c *gin.Context) {
	log.Printf("auth middleware")
	token, err := getToken(c)
	if err != nil || token == "" {
		handleErr(c, "")
		return
	}
	user, err := parseToken(token)
	if err != nil {
		handleErr(c, "解析token错误")
		return
	}
	c.Set("user", user)
}