/// <summary>
/// 获取微信用户唯一标识
/// </summary>
/// <param name="code">微信用户授权Code</param>
/// <returns></returns>
public string GetOpenId(string code)
{
var token = _paymentGateway.GetAccessToken(code);
if (token == null)
{
throw new SimplePromptException("获取授权access_token失败");
}
var weiXinUser = _weiXinUserService.GetByOpenId(token.Openid);
if (weiXinUser == null)
{
AddWeiXinUser(token);
}
return(token.Openid);
}
