private void DoCheck()
{
CheckAgent();
if (HttpContext.Current.Session["user"] != null)
{
WeiXinUserInfo userinfo = HttpContext.Current.Session["user"] as WeiXinUserInfo;
Nickname = userinfo.nickname;
Headimgurl = userinfo.headimgurl;
Openid = userinfo.openid;
}
else
{
//获取appId,appSecret的配置信息
string appId = System.Configuration.ConfigurationSettings.AppSettings["appid"];
string appSecret = System.Configuration.ConfigurationSettings.AppSettings["secret"];
BLL.WeiXinOAuth weixinOAuth = new WeiXinOAuth();
//微信第一次握手后得到的code 和state
_code = HttpContext.Current.Request.QueryString["code"] == null ? "" : HttpContext.Current.Request.QueryString["code"].ToString();
if (_code == "" || _code == "authdeny")
{
if (_code == "")
{
//发起授权(第一次微信握手)
string _authUrl = weixinOAuth.GetWeiXinCode(appId, appSecret, HttpContext.Current.Server.UrlEncode(HttpContext.Current.Request.Url.ToString()));
HttpContext.Current.Response.Redirect(_authUrl, true);
}
else
{ // 用户取消授权
GoNoFound("必须要您的授权才能进入哦！");
}
}
else
{
//获取微信的Access_Token（第二次微信握手）
Model.WeiXinAccessTokenResult modelResult = weixinOAuth.GetWeiXinAccessToken(appId, appSecret, _code);
//获取微信的用户信息(第三次微信握手)
Model.WeiXinUserInfoResult _userInfo = weixinOAuth.GetWeiXinUserInfo(modelResult.SuccessResult.access_token, modelResult.SuccessResult.openid);
//用户信息（判断是否已经获取到用户的微信用户信息）
if (_userInfo.Result && _userInfo.UserInfo.openid != "")
{
WeiXinUserInfo UserInfo = new WeiXinUserInfo();
//保存获取到的用户微信用户信息，并保存到数据库中
Nickname = _userInfo.UserInfo.nickname;
Headimgurl = _userInfo.UserInfo.headimgurl;
Openid = _userInfo.UserInfo.openid;
UserInfo.openid = _userInfo.UserInfo.openid;
UserInfo.headimgurl = _userInfo.UserInfo.headimgurl;
UserInfo.nickname = _userInfo.UserInfo.nickname;
HttpContext.Current.Session["user"] = UserInfo;
}
else
{
GoNoFound("获取用户OpenId失败");
}
}
}
}
public ActionResult WeiXinLogin()
{
//获取appId,appSecret的配置信息
string appId = ConfigurationManager.AppSettings["weixin:appid"];
string appSecret = ConfigurationManager.AppSettings["weixin:secret"];
var weixinOAuth = new WeiXinOAuth();
//微信第一次握手后得到的code 和state
string _code = Request["code"];
string _state = Request["state"];
if (string.IsNullOrEmpty(_code) || _code == "authdeny")
{
if (string.IsNullOrEmpty(_code))
{
//发起授权(第一次微信握手)
string _authUrl = weixinOAuth.GetWeiXinCode(appId, appSecret, Server.UrlEncode(Request.Url.ToString()));
Response.Redirect(_authUrl, true);
}
else
{ // 用户取消授权
Response.Redirect("~/Error.html", true);
}
}
else
{
//获取微信的Access_Token（第二次微信握手）
var modelResult = weixinOAuth.GetWeiXinAccessToken(appId, appSecret, _code);
//获取微信的用户信息(第三次微信握手)
var _userInfo = weixinOAuth.GetWeiXinUserInfo(modelResult.SuccessResult.access_token, modelResult.SuccessResult.openid);
//用户信息（判断是否已经获取到用户的微信用户信息）
if (_userInfo.Result && _userInfo.UserInfo.openid != "")
{
//如果存在则自动登录
var user = _userService.GetUserByOpenId(_userInfo.UserInfo.openid);
if (user != null)
{
AutoLogin(user);
}
Session["openid"] = _userInfo.UserInfo.openid;
return(new RedirectResult(Session["ReturnUrl"] == null ? "/exchange/" : Session["ReturnUrl"].ToString()));
}
else
{
throw new Exception("获取用户OpenId失败");
}
}
return(Json(new { Success = true }, JsonRequestBehavior.AllowGet));
}
/// <summary>
/// 回调
/// </summary>
public ActionResult CallBack()
{
//返回url
string returnUrl = WebHelper.GetQueryString("returnUrl");
if (returnUrl.Length == 0)
{
returnUrl = "/";
}
string[] rtval = Request.QueryString.AllKeys;
if (Array.IndexOf <string>(rtval, "code") == -1)
{
return(PartialView("您未授权微信登录，请重新扫描登陆"));
}
if (WorkContext.ShopConfig.LoginType == "")
{
return(PromptView(returnUrl, "目前已经关闭登陆功能!"));
}
if (WorkContext.Uid > 0)
{
return(PromptView(returnUrl, "您已经登录，无须重复登录!"));
}
//返回的随机值
string backSalt = WebHelper.GetQueryString("state");
//Authorization Code
string code = WebHelper.GetQueryString("code");
//获取access_token
string tokenurl = WeiXinOAuth.GetWeiXinRqUrl(pluginSetInfo.AppID, pluginSetInfo.AppSecret, "", code, "", "", "access_token");
WeiXinAccessTokenResult token = WeiXinOAuth.GetAccessToken(tokenurl, pluginSetInfo.AppID, pluginSetInfo.AppSecret);
if (token.ErrorResult.errcode == 40029)
{
return(PartialView("获取微信授权码错误，请重新扫描登陆"));
}
//判断此用户是否已经存在
int uid = OAuths.GetUidByOpenIdAndServer(token.SuccessResult.openid, pluginSetInfo.Server);
if (uid > 0)//存在时
{
PartUserInfo partUserInfo = Users.GetPartUserById(uid);
//更新用户最后访问
Users.UpdateUserLastVisit(partUserInfo.Uid, DateTime.Now, WorkContext.IP, WorkContext.RegionId);
ShopUtils.SetUserCookie(partUserInfo, -1, "web");
return(Redirect("/"));
}
else
{
//获取用户信息
string userurl = WeiXinOAuth.GetWeiXinRqUrl("", "", "", "", token.SuccessResult.openid, token.SuccessResult.access_token, "openid");
WeiXinUserInfoResult userinfo = WeiXinOAuth.GetWeiXinUserInfo(userurl);
if (userinfo.ErrorMsg.errcode == 40003)
{
return(PartialView("获取用户信息失败，请重新扫描登陆"));
}
UserInfo userInfo = OAuths.CreateOAuthUser(userinfo.UserInfo.nickname, pluginSetInfo.UNamePrefix, token.SuccessResult.openid,
pluginSetInfo.Server, WorkContext.RegionId, userinfo.UserInfo.unionid);
if (userInfo != null)
{
ShopUtils.SetUserCookie(userInfo, -1, "web");
return(Redirect("/"));
}
else
{
return(PartialView("用户创建失败"));
}
}
}