/// <summary>
/// 通过code获取access_token
/// </summary>
/// <param name="appId"></param>
/// <param name="appSecret"></param>
/// <param name="code"></param>
/// <returns></returns>
public WeiXinAccessTokenResult GetWeiXinAccessToken(string appId, string appSecret, string code)
{
string url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=" + appId + "&secret=" + appSecret +
"&code=" + code + "&grant_type=authorization_code";
string jsonStr = string.Empty;
HttpHelper.Send(url, "Get", out jsonStr); // UtilsHelper.GetHttp(url);
var result = new WeiXinAccessTokenResult();
if (jsonStr.Contains("errcode"))
{
var errorResult = JsonHelper.JsonDeserialize <WeiXinHelper.WeiXinErrorMsg>(jsonStr);
result.ErrorResult = errorResult;
result.Result = false;
}
else
{
var model = JsonHelper.JsonDeserialize <WeiXinAccessTokenModel>(jsonStr);
result.SuccessResult = model;
result.Result = true;
}
return(result);
}
/// <summary>
/// 获取access_token
/// </summary>
/// <param name="appid">应用ID</param>
/// <param name="secret">应用密钥</param>
/// <returns>AccessToken实体</returns>
public WeiXinAccessTokenResult GetAccessToken(string appid, string secret)
{
var url =
string.Format("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}", appid, secret);
string jsonStr = string.Empty;
HttpHelper.Send(url, "Get", out jsonStr);
var result = new WeiXinAccessTokenResult();
if (jsonStr.Contains("errcode"))
{
var errorResult = JsonHelper.JsonDeserialize <WeiXinHelper.WeiXinErrorMsg>(jsonStr);
result.ErrorResult = errorResult;
result.Result = false;
}
else
{
var model = JsonHelper.JsonDeserialize <WeiXinAccessTokenModel>(jsonStr);
result.SuccessResult = model;
result.Result = true;
}
return(result);
}
/// <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"));
}
}
}
