/// <summary>
/// 首先请注意，这里通过code换取的是一个特殊的网页授权access_token,与基础支持中的access_token（该access_token用于调用其他接口）不同。
/// <para>公众号可通过下述接口来获取网页授权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。</para>
/// </summary>
/// <param name="code"></param>
/// <returns></returns>
private static WebAccessTokenReturnValue GetWebAccessToken(string code)
{
if (string.IsNullOrWhiteSpace(code))
{
throw new Exception("code参数不能为空");
}
//var data = new
//{
// appid = WechatConfig.AppID, //Wechat4net.MP.Wechat.Options.AppID,
// secret = WechatConfig.Secret, //Wechat4net.MP.Wechat.Options.Secret,
// code = code,
// grant_type = "authorization_code"
//};
Dictionary <string, object> data = new Dictionary <string, object>();
data.Add("appid", WechatConfig.AppID);
data.Add("secret", WechatConfig.Secret);
data.Add("code", code);
data.Add("grant_type", "authorization_code");
WebAccessTokenReturnValue rs = HttpHelper.Get <WebAccessTokenReturnValue>(ServiceUrl.GetWebAccessToken, data);
if (rs == null)
{
throw new Exception("获取WebAccessToken失败");
}
if (rs.ErrorCode != 0)
{
throw new Exception("获取WebAccessToken失败。ErrorCode = " + rs.ErrorCode + ", ErrorMessage = " + rs.ErrorMessage);
}
return(rs);
}
public static Wechat4net.MP.Define.WechatUser GetUserInfo(string code)
{
WebAccessTokenReturnValue ret = GetWebAccessToken(code);
//var data = new
//{
// access_token = ret.WebAccessToken,
// openid = ret.OpenID,
// lang = WechatConfig.Language.ToString() //Wechat4net.MP.Wechat.Options.Language.ToString()
//};
Dictionary <string, object> data = new Dictionary <string, object>();
data.Add("access_token", ret.WebAccessToken);
data.Add("openid", ret.OpenID);
data.Add("lang", WechatConfig.Language.ToString());
WechatUser user = HttpHelper.Get <WechatUser>(ServiceUrl.GetWebUserInfo, data);
if (user.ErrorCode != 0)
{
throw new Exception("获取微信用户信息错误,ErrorCode:" + user.ErrorCode.ToString() + "; ErrorMessage:" + user.ErrorMessage);
}
return(user);
}
