C#/ASP.NET MVC微信公众号接口开发之从零开发（三）回复消息 （附源码）

 1 /// <summary>
 2 /// 回复文本
 3 /// </summary>
 4 /// <param name="FromUserName">发送给谁(openid)</param>
 5 /// <param name="ToUserName">来自谁(公众账号ID)</param>
 6 /// <param name="Content">回复类型文本</param>
 7 /// <returns>拼凑的XML</returns>
 8 public static string ReText(string FromUserName, string ToUserName,string Content)
 9 {
10     string XML = "<xml><ToUserName><![CDATA[" + FromUserName + "]]></ToUserName><FromUserName><![CDATA[" + ToUserName + "]]></FromUserName>";//发送给谁(openid)，来自谁(公众账号ID)
11     XML += "<CreateTime>" + sohovan.com.common.CommonMethod.ConvertDateTimeInt(DateTime.Now) + "</CreateTime>";//回复时间戳
12     XML += "<MsgType><![CDATA[text]]></MsgType>";//回复类型文本
13     XML += "<Content><![CDATA["+ Content + "]]></Content><FuncFlag>0</FuncFlag></xml>";//回复内容 FuncFlag设置为1的时候，自动星标刚才接收到的消息，适合活动统计使用
14     return XML;
15 }

 1 /// <summary>
 2 /// 回复单图文
 3 /// </summary>
 4 /// <param name="FromUserName">发送给谁(openid)</param>
 5 /// <param name="ToUserName">来自谁(公众账号ID)</param>
 6 /// <param name="Title">标题</param>
 7 /// <param name="Description">详情</param>
 8 /// <param name="PicUrl">图片地址</param>
 9 /// <param name="Url">地址</param>
10 /// <returns>拼凑的XML</returns>
11 public static string ReArticle(string FromUserName, string ToUserName, string Title, string Description, string PicUrl, string Url)
12 {
13     string XML = "<xml><ToUserName><![CDATA[" + FromUserName + "]]></ToUserName><FromUserName><![CDATA[" + ToUserName + "]]></FromUserName>";//发送给谁(openid)，来自谁(公众账号ID)
14     XML += "<CreateTime>" + sohovan.com.common.CommonMethod.ConvertDateTimeInt(DateTime.Now) + "</CreateTime>";//回复时间戳
15     XML += "<MsgType><![CDATA[news]]></MsgType><Content><![CDATA[]]></Content><ArticleCount>1</ArticleCount><Articles>";
16     XML += "<item><Title><![CDATA[" + Title + "]]></Title><Description><![CDATA[" + Description + "]]></Description><PicUrl><![CDATA[" + PicUrl + "]]></PicUrl><Url><![CDATA[" + Url + "]]></Url></item>";
17     XML += "</Articles><FuncFlag>0</FuncFlag></xml>";
18     return XML;
19 }

 1 /// <summary>
 2 /// 多图文回复
 3 /// </summary>
 4 /// <param name="FromUserName">发送给谁(openid)</param>
 5 /// <param name="ToUserName">来自谁(公众账号ID)</param>
 6 /// <param name="ArticleCount">图文数量</param>
 7 /// <param name="dtArticle"></param>
 8 /// <returns></returns>
 9 public static string ReArticle(string FromUserName, string ToUserName, int ArticleCount, System.Data.DataTable dtArticle)
10 {
11     string XML = "<xml><ToUserName><![CDATA[" + FromUserName + "]]></ToUserName><FromUserName><![CDATA[" + ToUserName + "]]></FromUserName>";//发送给谁(openid)，来自谁(公众账号ID)
12     XML += "<CreateTime>" + sohovan.com.common.CommonMethod.ConvertDateTimeInt(DateTime.Now) + "</CreateTime>";//回复时间戳
13     XML += "<MsgType><![CDATA[news]]></MsgType><Content><![CDATA[]]></Content><ArticleCount>" + ArticleCount + "</ArticleCount><Articles>";
14     foreach (System.Data.DataRow Item in dtArticle.Rows)
15     {
16         XML += "<item><Title><![CDATA[" + Item["Title"] + "]]></Title><Description><![CDATA[" + Item["Description"] + "]]></Description><PicUrl><![CDATA[" + Item["PicUrl"] + "]]></PicUrl><Url><![CDATA[" + Item["Url"] + "]]></Url></item>";
17     }
18     XML += "</Articles><FuncFlag>0</FuncFlag></xml>";
19     return XML;
20 }

 1 public static string GetText(string FromUserName, string ToUserName, string Content)
 2 {
 3     sohovan.com.common.CommonMethod.WriteTxt(Content);//接收的文本消息
 4     string XML = "";
 5     switch (Content) { 
 6         case "关键字":
 7             XML = ReText(FromUserName, ToUserName, "关键词回复测试");
 8             break;
 9         case"单图文":
10             XML = ReArticle(FromUserName, ToUserName, "测试标题", "测试详情——百度搜索链接", "http://pic.cnblogs.com/avatar/743013/20150521120816.png", "http://www.baidu.com");
11             break;
12         default:
13             XML = ReText(FromUserName, ToUserName, "无对应关键字");
14             break;
15     }
16     return XML;
17 }

 1 private void ResponseXML(WxXmlModel WxXmlModel)
 2 {
 3     string XML = "";
 4     switch (WxXmlModel.MsgType)
 5     { 
 6         case "text"://文本回复
 7             XML = sohovan.com.wxapi.ResponseMessage.GetText(WxXmlModel.FromUserName, WxXmlModel.ToUserName, WxXmlModel.Content);
 8             break;
 9         default://默认回复
10             break;
11     }
12     HttpContext.Current.Response.Write(XML);
13     HttpContext.Current.Response.End();
14 }