/// <summary>
/// 拼接图文消息素材Json字符串
/// </summary>
public static string GetArticlesJsonStr(PageBase page, string access_token, DataTable dt)
{
StringBuilder sbArticlesJson = new StringBuilder();
sbArticlesJson.Append("{\"articles\":[");
int i = 0;
foreach (DataRow dr in dt.Rows)
{
string path = page.MapPath(dr["ImgUrl"].ToString());
if (!File.Exists(path))
{
return("{\"code\":0,\"msg\":\"要发送的图片不存在\"}");
}
string msg = WXApi.UploadMedia(access_token, "image", path); // 上图片返回媒体ID
string media_id = Tools.GetJsonValue(msg, "media_id");
sbArticlesJson.Append("{");
sbArticlesJson.Append("\"thumb_media_id\":\"" + media_id + "\",");
sbArticlesJson.Append("\"author\":\"" + dr["Author"].ToString() + "\",");
sbArticlesJson.Append("\"title\":\"" + dr["Title"].ToString() + "\",");
sbArticlesJson.Append("\"content_source_url\":\"" + dr["TextUrl"].ToString() + "\",");
sbArticlesJson.Append("\"content\":\"" + dr["Content"].ToString() + "\",");
sbArticlesJson.Append("\"digest\":\"" + dr["Content"].ToString() + "\",");
if (i == dt.Rows.Count - 1)
{
sbArticlesJson.Append("\"show_cover_pic\":\"1\"}");
}
else
{
sbArticlesJson.Append("\"show_cover_pic\":\"1\"},");
}
i++;
}
sbArticlesJson.Append("]}");
return(sbArticlesJson.ToString());
}
/// <summary>
/// 群发
/// </summary>
public string Send()
{
string type = Request["type"];
string data = Request["data"];
string access_token = AdminUtil.GetAccessToken(this); //获取access_token
List <string> openidList = WXApi.GetOpenIDs(access_token); //获取关注者OpenID列表
UserInfo loginUser = AdminUtil.GetLoginUser(this); //当前登录用户
string resultMsg = null;
//发送文本
if (type == "1")
{
resultMsg = WXApi.Send(access_token, WXMsgUtil.CreateTextJson(data, openidList));
}
//发送图片
if (type == "2")
{
string path = MapPath(data);
if (!File.Exists(path))
{
return("{\"code\":0,\"msg\":\"要发送的图片不存在\"}");
}
string msg = WXApi.UploadMedia(access_token, "image", path);
string media_id = Tools.GetJsonValue(msg, "media_id");
resultMsg = WXApi.Send(access_token, WXMsgUtil.CreateImageJson(media_id, openidList));
}
//发送图文消息
if (type == "3")
{
DataTable dt = ImgItemDal.GetImgItemTable(loginUser.OrgID, data);
string articlesJson = ImgItemDal.GetArticlesJsonStr(this, access_token, dt);
string newsMsg = WXApi.UploadNews(access_token, articlesJson);
string newsid = Tools.GetJsonValue(newsMsg, "media_id");
resultMsg = WXApi.Send(access_token, WXMsgUtil.CreateNewsJson(newsid, openidList));
}
//结果处理
if (!string.IsNullOrWhiteSpace(resultMsg))
{
string errcode = Tools.GetJsonValue(resultMsg, "errcode");
string errmsg = Tools.GetJsonValue(resultMsg, "errmsg");
if (errcode == "0")
{
return("{\"code\":1,\"msg\":\"\"}");
}
else
{
return("{\"code\":0,\"msg\":\"errcode:"
+ errcode + ", errmsg:"
+ errmsg + "\"}");
}
}
else
{
return("{\"code\":0,\"msg\":\"type参数错误\"}");
}
}