/// <summary> /// 微信公众号引导页 /// </summary> /// <param name="url">微信前端传递的跳转url</param> /// <returns>成功时,重定向至获取用户信息</returns> public ActionResult Index(string url) { if (!string.IsNullOrEmpty(url)) { url = WXHelper.DecodeBase64(url); string state = EncryptHelper.MD5Encrypt(url); //判断url根据MD5生成的密文在缓存中是否存在 object objUrl = CacheHelper.GetCache(state); if (objUrl == null) { CacheHelper.AddCache(state, url, 5);//不存在则将url和对应的密文存储在缓存中,存储时长为5分钟 } else { CacheHelper.SetCache(state, url, 5);//存在则将url和对应的密文在缓存中更新,更新存储时长为5分钟 } return(Redirect(string.Format("https://open.weixin.qq.com/connect/oauth2/authorize?appid={0}&redirect_uri={1}&response_type=code&scope=snsapi_base&state={2}#wechat_redirect", appId, ConfigurationManager.AppSettings["zp_apppath"] + "/Recruitment/Auth/GetUserInfo", state))); } else { ViewData["errmsg"] = "重定向url不能为空!"; } return(View()); }