/// <summary>
/// 回复单图文消息
/// </summary>
/// <param name="toUserName"></param>
/// <param name="fromUserName"></param>
/// <param name="news"></param>
/// <returns></returns>
public static string RepayNews(string toUserName, string fromUserName, WeixinNews news)
{
var builder = new StringBuilder();
builder.Append(string.Format("<xml><ToUserName><![CDATA[{0}]]></ToUserName>" +
"<FromUserName><![CDATA[{1}]]></FromUserName>" +
"<CreateTime>{2}</CreateTime>" +
"<MsgType><![CDATA[news]]></MsgType>" +
"<ArticleCount>{3}</ArticleCount><Articles>",
toUserName, fromUserName,
Util.CreateTimestamp(),
1));
builder.Append(string.Format("<item><Title><![CDATA[{0}]]></Title>" +
"<Description><![CDATA[{1}]]></Description>" +
"<PicUrl><![CDATA[{2}]]></PicUrl>" +
"<Url><![CDATA[{3}]]></Url>" +
"</item>",
news.title, news.description, news.picurl, news.url
));
builder.Append("</Articles></xml>");
return builder.ToString();
}
/// <summary>
/// 回复单图文消息
/// </summary>
/// <param name="access_token">调用接口凭证</param>
/// <param name="touser">普通用户openid</param>
/// <param name="news"></param>
/// <param name="kf_account">完整客服账号，格式为：账号前缀@公众号微信号</param>
/// <returns></returns>
public static bool RepayNews(string access_token, string touser, WeixinNews news, string kf_account = null)
{
var builder = new StringBuilder();
builder.Append("{")
.Append('"' + "touser" + '"' + ":").Append('"' + touser + '"').Append(",")
.Append('"' + "msgtype" + '"' + ":").Append('"' + "news" + '"').Append(",")
.Append('"' + "news" + '"' + ":")
.Append("{")
.Append('"' + "articles" + '"' + ":")
.Append("[")
.Append("{")
.Append('"' + "title" + '"' + ":").Append('"' + news.title + '"').Append(",")
.Append('"' + "description" + '"' + ":").Append('"' + news.description + '"').Append(",")
.Append('"' + "url" + '"' + ":").Append('"' + news.url + '"').Append(",")
.Append('"' + "picurl" + '"' + ":").Append('"' + news.picurl + '"')
.Append("}")
.Append("]")
.Append("}");
if (!string.IsNullOrEmpty(kf_account))
{
builder.Append(",");
builder.Append('"' + "customservice" + '"' + ":")
.Append("{")
.Append('"' + "kfaccount" + '"' + ":").Append('"' + kf_account + '"')
.Append("}");
}
builder.Append("}");
var client = new HttpClient();
return client.PostAsync(string.Format("https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token={0}", access_token), new StringContent(builder.ToString())).Result.IsSuccessStatusCode;
}