/// <summary>
/// 微信授权验证返回
/// </summary>
/// <param name="code">微信验证code</param>
/// <param name="state">用户原始访问地址</param>
/// <returns></returns>
public ActionResult CallBack(string code, string state)
{
ActionResult result = null;
bool isSuccessFul = false;
var callBackUrl = state;
try
{
if (string.IsNullOrEmpty(code))
{
result = Content("您拒绝了授权");
}
else
{
OAuthAccessTokenResult accessTokenResult = null;
//通过，用code换取access_token
accessTokenResult = OAuthApi.GetAccessToken(WeChatClient.App.AppId, WeChatClient.App.AppSecret, code);
//LogService.LogWexin("AccessToken请求状态", accessTokenResult.errcode.ToString());
if (accessTokenResult.errcode == ReturnCode.请求成功)
{
//更新用户Open id Cookie
Response.Cookies.Add(new HttpCookie(WeChatOpenIdCookieName, accessTokenResult.openid));
//因为第一步选择的是OAuthScope.snsapi_userinfo，这里可以进一步获取用户详细信息
UserService userService = new UserService();
OAuthUserInfo userInfo = OAuthApi.GetUserInfo(accessTokenResult.access_token, accessTokenResult.openid);
WeChatUser wechatUser = userService.GetWeChatUser(accessTokenResult.openid);
if (wechatUser == null)
{
userService.WeChatUserSubscribe(accessTokenResult.openid, false, true);
wechatUser = userService.GetWeChatUser(accessTokenResult.openid);
}
else
{
wechatUser.HasAuthorized = true;
}
if (wechatUser != null)
{
// Updates wechat user info
wechatUser.AccessToken = accessTokenResult.access_token;
wechatUser.AccessTokenExpired = false;
wechatUser.AccessTokenExpireTime = DateTime.Now.AddSeconds(accessTokenResult.expires_in);
wechatUser.City = userInfo.city;
wechatUser.County = userInfo.country;
wechatUser.NickName = userInfo.nickname;
wechatUser.Photo = userInfo.headimgurl;
wechatUser.Province = userInfo.province;
wechatUser.Sex = userInfo.sex;
if (userService.UpdateWeChatUser(wechatUser))
{
//Updates current wechat user
Session[WeChatUserInfo] = wechatUser;
//LogService.LogWexin("保存微信用户资料成功", "");
isSuccessFul = true;
}
else
{
LogService.LogWexin("保存微信用户资料失败", wechatUser.OpenId);
}
}
}
}
}
catch (Exception ex)
{
LogService.LogWexin("QAuth获取用户信息失败", ex.ToString());
isSuccessFul = false;
}
if (isSuccessFul)
{
if (string.IsNullOrWhiteSpace(callBackUrl))
{
callBackUrl = "/wechat/user/index";
}
// 跳转到用户一开始要进入的页面
result = Redirect(callBackUrl);
}
else
{
// 授权失败，重新发发起用户授权
var redirectUrl = GetUrl("/wechat/QAuthCallBack/CallBack");
var appId = WeChatClient.App.AppId;
var authUrl = OAuthApi.GetAuthorizeUrl(appId, redirectUrl, callBackUrl, OAuthScope.snsapi_userinfo);
result = Redirect(authUrl);
}
return result;
}
/// <summary>
/// 处理微信授权结果，更新用户信息
/// </summary>
/// <param name="filterContext"></param>
private bool HandleWechatAuthResult(string code)
{
bool isSuccessful = true;
try
{
OAuthAccessTokenResult accessTokenResult = null;
//通过，用code换取access_token
accessTokenResult = OAuthApi.GetAccessToken(WeChatClient.App.AppId, WeChatClient.App.AppSecret, code);
//LogService.LogWexin("AccessToken请求状态", accessTokenResult.errcode.ToString());
if (accessTokenResult.errcode == ReturnCode.请求成功)
{
//更新用户Open id Cookie
var openIdCookie = new HttpCookie(WeChatOpenIdCookieName, accessTokenResult.openid);
openIdCookie.Expires = DateTime.Now.AddMonths(1);
Response.Cookies.Add(openIdCookie);
//因为第一步选择的是OAuthScope.snsapi_userinfo，这里可以进一步获取用户详细信息
UserService userService = new UserService();
OAuthUserInfo userInfo = OAuthApi.GetUserInfo(accessTokenResult.access_token, accessTokenResult.openid);
WeChatUser wechatUser = userService.GetWeChatUser(accessTokenResult.openid);
// 用户第一次访问，添加用户信息
if (wechatUser == null)
{
userService.WeChatUserSubscribe(accessTokenResult.openid, false, true);
wechatUser = userService.GetWeChatUser(accessTokenResult.openid);
}
else
{
wechatUser.HasAuthorized = true;
}
// 更新用户详细信息
if (wechatUser != null)
{
// Updates wechat user info
wechatUser.AccessToken = accessTokenResult.access_token;
wechatUser.AccessTokenExpired = false;
wechatUser.AccessTokenExpireTime = DateTime.Now.AddSeconds(accessTokenResult.expires_in);
wechatUser.City = userInfo.city;
wechatUser.County = userInfo.country;
wechatUser.NickName = userInfo.nickname;
wechatUser.Photo = userInfo.headimgurl;
wechatUser.Province = userInfo.province;
wechatUser.Sex = userInfo.sex;
if (userService.UpdateWeChatUser(wechatUser))
{
//Updates current wechat user
Session[WeChatUserInfo] = wechatUser;
//LogService.LogWexin("保存微信用户资料成功", "");
}
else
{
LogService.LogWexin("保存微信用户资料失败", wechatUser.OpenId);
isSuccessful = false;
}
}
}
}
catch (Exception ex)
{
LogService.LogWexin("QAuth获取用户信息发生异常", ex.ToString());
isSuccessful = false;
}
return isSuccessful;
}