/// <summary>
/// 获取access_token。会缓存，过期后自动重新获取新的token。
/// </summary>
public static string GetAccessToken(WeChatParam param = null)
{
var appId = GetConfig.GetAppid(param);
var secret = GetConfig.GetSecret(param);
if (!AccessTokensCache.ContainsKey(appId) || AccessTokensCache[appId] == null ||
AccessTokensCache[appId].ExpireTime < DateTime.Now)
{
var result = HttpHelper.Get <TokenResult>(ApiList.GetTokenUrl, new HttpParam
{
{ "grant_type", "client_credential" },
{ "appid", appId },
{ "secret", secret }
});
if (!result.IsSuccess)
{
throw new WxException(result.errcode, result.errmsg);
}
AccessTokensCache[appId] = new TokenCache
{
AccessToken = result.access_token,
ExpireTime = DateTime.Now.AddSeconds(result.expires_in - 60)
};
}
return(AccessTokensCache[appId].AccessToken);
}
/// <summary>
/// 传入Code
/// </summary>
public static Dictionary <string, string> GetOauth2AccessToken(UserParam param)
{
var param2 = new HttpParam()
{
{ "appid", GetConfig.GetAppid(param) },
{ "secret", GetConfig.GetSecret(param) },
{ "code", param.Code },
{ "grant_type", "authorization_code" }
};
var dic = HttpHelper.Get <Dictionary <string, string> >(ApiList.GetOauth2AccessTokenUrl, param2);
return(dic);
}
