package controllers import beego "github.com/beego/beego/v2/server/web" type BaseController struct { beego.Controller } func (c *BaseController) GenerateJSON(dataJSON interface{}) { c.Data["json"] = dataJSON c.ServeJSON() } func (c *BaseController) Prepare() { userID, ok := c.GetSession("userID").(string) if !ok || userID == "" { //用户没有登录,或者登录到期了,则跳转登录主页面 dataJSON := new(BaseDataJSON) dataJSON.Code = 404 dataJSON.Msg = "登录已经过期!" c.Data["json"] = dataJSON c.ServeJSON() } else { //重新赋值给session c.SetSession("userID", userID) } }