public void Create(Guid id, Guid profileId)
{
PreviewAccount newPreviewAccount = new PreviewAccount(id, profileId);
erpNodeDBContext.PreviewAccounts.Add(newPreviewAccount);
erpNodeDBContext.SaveChanges();
}
/// <summary>
/// 群发消息预览，微信支持多种预览账号，但每次只能一个，所以OpenIdSendParam.touser参数只第一个值有效并转成微信需要的参数键名
/// </summary>
/// <param name="previewAccount">touser字段都可以改为towxname，这样就可以针对微信号进行预览（而非openID），towxname和touser同时赋值时，以towxname优先</param>
/// <param name="openIdSendParam">与实际群发参数一致</param>
/// <returns>群发消息预览发送结果</returns>
public WeChatResult <GroupSendResult> PreviewSendAll(PreviewAccount previewAccount, OpenIdSendParam openIdSendParam)
{
string accessToken = connect.GetAccessToken();
string url = $"https://api.weixin.qq.com/cgi-bin/message/mass/preview?access_token={accessToken}";
if (openIdSendParam.touser == null || openIdSendParam.touser.Count == 0)
{
throw new ArgumentException("OpenIdSendParam.touser必须指定最少一个预览账号");
}
string previewWx = openIdSendParam.touser[0];
string originJson = JsonConvert.SerializeObject(openIdSendParam);
JObject jobject = JObject.Parse(originJson);
jobject.Remove("touser");
if (previewAccount == PreviewAccount.OpenId)
{
jobject.Add($"\"touser\":\"{previewWx}\"");
}
else
{
jobject.Add($"\"towxname\":\"{previewWx}\"");
}
string resultStr = SimulateRequest.HttpPost(url, jobject.ToString());
WeChatResult <GroupSendResult> weChatResult = JsonConvert.DeserializeObject <WeChatResult <GroupSendResult> >(resultStr);
if (weChatResult.errcode != WeChatErrorCode.SUCCESS)
{
SystemLogHelper.Warn(GetType().FullName, $"群发消息预览PreviewSendAll，微信服务报错：{weChatResult}");
}
return(weChatResult);
}