/// <summary>
/// 通过refresh_token刷新或续期access_token。
/// </summary>
/// <param name="refresh_token"></param>
/// <returns></returns>
public static AccessTokenModel RefreshToken(string refresh_token)
{
if (string.IsNullOrEmpty(refresh_token))
{
throw new Exception("refresh_token 为必填参数！");
}
string url = string.Format("https://api.weixin.qq.com/sns/oauth2/refresh_token?appid={0}&grant_type=refresh_token&refresh_token={1}", Privacy.AppId, refresh_token);
string result = HttpRequestHelper.Request(url);
PageOAuth_AccessToken model = JsonHelper.DeSerialize <PageOAuth_AccessToken>(result);
if (model == null || string.IsNullOrEmpty(model.openid))
{
StringBuilder msg = new StringBuilder("刷新access_token有效期失败，url=" + url);
msg.AppendLine(" ");
msg.AppendLine("result=" + result);
if (model == null)
{
msg.Append("AccessTokenModel=" + model);
}
else
{
msg.AppendFormat("errcode={0},errmsg={1}", model.errcode, model.errmsg);
}
//LogHelper.Save(msg.ToString(), "GetOAuth", LogType.Error, LogTime.day);
}
return(model);
}
/// <summary>
/// 刷新access_token
/// </summary>
/// <param name="refresh_token"></param>
/// <returns></returns>
public static PageOAuth_AccessToken RefreshAccessToken(string refresh_token)
{
if (string.IsNullOrWhiteSpace(refresh_token))
{
throw new ArgumentException("参数值无效", nameof(refresh_token));
}
string url = string.Format("https://api.weixin.qq.com/sns/oauth2/refresh_token?appid={0}&grant_type=refresh_token&refresh_token={1}", Privacy.AppId, refresh_token);
string result = HttpRequestHelper.Request(url);
PageOAuth_AccessToken accessToken = JsonHelper.DeSerialize <PageOAuth_AccessToken>(result);
return(accessToken);
}
/// <summary>
/// 通过code换取网页授权access_token。
/// 如果网页授权的作用域为snsapi_base，则本步骤中获取到网页授权access_token的同时，也获取到了openid，snsapi_base式的网页授权流程即到此为止。
/// </summary>
/// <param name="code"></param>
/// <returns></returns>
public static PageOAuth_AccessToken GetAccessToken(string code)
{
if (string.IsNullOrWhiteSpace(code))
{
throw new ArgumentException("参数值无效", nameof(code));
}
string url = string.Format("https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type=authorization_code", Privacy.AppId, Privacy.AppSecret, code);
string result = HttpRequestHelper.Request(url);
PageOAuth_AccessToken accessToken = JsonHelper.DeSerialize <PageOAuth_AccessToken>(result);
return(accessToken);
}
/// <summary>
/// 通过code换取网页授权access_token。
/// 请注意，这里通过code换取的网页授权access_token,与基础支持中的access_token不同。
/// </summary>
/// <param name="code"></param>
/// <returns></returns>
public static AccessTokenModel GetOAuth(string code)
{
if (string.IsNullOrEmpty(code))
{
throw new Exception("code 为必填参数！");
}
string url = string.Format("https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type=authorization_code", Privacy.AppId, Privacy.AppSecret, code);
try
{
string result = HttpRequestHelper.Request(url);
PageOAuth_AccessToken model = JsonHelper.DeSerialize <PageOAuth_AccessToken>(result);
if (model == null || string.IsNullOrEmpty(model.openid))
{
StringBuilder msg = new StringBuilder("获取授权Openid失败，url=" + url);
msg.AppendLine(" ");
msg.AppendLine("result=" + result);
if (model == null)
{
msg.Append("AccessTokenModel=" + model);
}
else
{
msg.AppendFormat("errcode={0},errmsg={1}", model.errcode, model.errmsg);
}
//LogHelper.Save(msg.ToString(), "GetOAuth", LogType.Error, LogTime.day);
}
return(model);
}
catch (Exception Ex)
{
LogHelper.Save(Ex);
throw Ex;
}
}
