C# .net微信开发,开发认证,关注触发消息,自动应答,事件响应,自定义菜单
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2022-03-22 16:03:09
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string[] ArrTmp = { "token",
Request["timestamp"],
Request["nonce"] };
Array.Sort(ArrTmp);
//字典排序string tmpStr = string.Join("", ArrTmp);
tmpStr = FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr, "SHA1");
tmpStr = tmpStr.ToLower();if (tmpStr != Request["signature"].ToLower())
{
Response.Write(Request["echostr"]);
}
关注帐号，触发消息，自动应答,事件响应
namespace ElegantWM.WebUI.Areas.WeiXin.Controllers
{
/// <summary>
/// 微信公共服务类
/// </summary>
public class RobotController : BaseController
{
/// <summary>
/// 接收微信请求接口，认证的接口
/// </summary>
/// <returns></returns>
public ContentResult Index()
{
string result = AnalyzeXmlFromWeiXin();
return Content(result);
}
/// <summary>
/// 分析微信POST到本服务器的XML数据
/// </summary>
/// <param name="xmlStream"></param>
/// <returns></returns>
private string AnalyzeXmlFromWeiXin()
{
StreamReader reader = new StreamReader(Request.InputStream);
string xml = reader.ReadToEnd();
//获取MsgType
log.Info(xml);
string msgType = XmlHelper.ReadXmlStr(xml, "/xml/MsgType", "");
switch (msgType)
{
case "event"://如果是事件
return OnAttention(xml);
case "text"://如果是文本消息
return OnReceiveTextMsg(xml);
default:
return "不被支持的关键字！";
}
}
/// <summary>
/// 响应文本消息
/// </summary>
/// <param name="xml"></param>
/// <returns></returns>
private string OnReceiveTextMsg(string xml)
{
WxTextMsg msg = XmlEntityExchange<WxTextMsg>.ConvertXml2Entity(xml);
//返回消息，互换收发用户
string toUser = msg.FromUserName;
msg.FromUserName = msg.ToUserName;
msg.ToUserName = toUser;
switch (msg.Content.Trim())
{
case "?":
msg.Content = HelpDocument();
break;
case "？":
msg.Content = HelpDocument();
break;
case "1":
msg.Content = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
break;
case "2":
msg.Content = Tools.HttpCrossDomain.Get("http://www.weather.com.cn/data/sk/101210301.html");
break;
case "3":
msg.Content = "来吧，想唠点什么呢？ [偷笑]";
break;
case "你是男的女的":
msg.Content = "姑娘一枚 [偷笑]";
break;
default:
msg.Content = "抱歉哦，我不认识您输入的命令。/害羞 /:,@-D";
break;
}
return XmlEntityExchange<WxTextMsg>.ConvertEntity2Xml(msg);
}
/// <summary>
/// 获取帮助菜单文档
/// </summary>
/// <returns></returns>
private string HelpDocument()
{
StringBuilder sb = new StringBuilder();
sb.Append("HI，请回复数字，选择服务").Append("\n\n");
sb.Append("1. 当前时间").Append("\n");
sb.Append("2. 天气信息").Append("\n");
sb.Append("3. 聊天唠嗑").Append("\n");
sb.Append("n. 更多服务开发中...").Append("\n");
sb.Append("回复【?】显示此帮助菜单");
return sb.ToString();
}
/// <summary>
/// 当用户关注微信帐号的时候触发，事件响应
/// </summary>
/// <param name="xml"></param>
private string OnAttention(string xml)
{
WxEvent wxevent = XmlEntityExchange<WxEvent>.ConvertXml2Entity(xml);
WxTextMsg msg = new WxTextMsg();
msg.ToUserName = wxevent.FromUserName;
msg.FromUserName = wxevent.ToUserName;
msg.CreateTime = DateTime.Now.Ticks;
msg.MsgType = "text";
//如果是关注，则发送欢迎消息
switch (wxevent.Event)
{
case "subscribe":
msg.Content = System.Configuration.ConfigurationManager.AppSettings["DefaultWxMsg"];
break;
case "CLICK":
msg.Content = "您单击的是：" + wxevent.EventKey;
break;
default:
msg.Content = "暂未处理的事件：Event" + wxevent.Event + ";EventKey:" + wxevent.EventKey;
break;
}
string rst = XmlEntityExchange<WxTextMsg>.ConvertEntity2Xml(msg);
log.Info(rst);
return rst;
}
}
}
辅助类
//实体
public class WxEvent
{
/// <summary>
/// 接收人
/// </summary>
public string ToUserName { get; set; }
/// <summary>
/// 发送人
/// </summary>
public string FromUserName { get; set; }
/// <summary>
/// 时间
/// </summary>
public string CreateTime { get; set; }
/// <summary>
/// 类型
/// </summary>
public string MsgType { get; set; }
/// <summary>
/// 事件
/// </summary>
public string Event { get; set; }
public string EventKey { get; set; }
}
public class WxTextMsg
{
/// <summary>
/// 接收人
/// </summary>
public string ToUserName { get; set; }
/// <summary>
/// 发送人
/// </summary>
public string FromUserName { get; set; }
/// <summary>
/// 时间
/// </summary>
public long CreateTime { get; set; }
/// <summary>
/// 类型
/// </summary>
public string MsgType { get; set; }
/// <summary>
/// 内容
/// </summary>
public string Content { get; set; }
}
//XML和实体对象间的相互转化
namespace ElegantWM.WebUI.Areas.WeiXin
{
public class XmlEntityExchange<T> where T : new()
{
/// <summary>
/// 将XML转换为对象
/// </summary>
/// <param name="xml"></param>
/// <returns></returns>
public static T ConvertXml2Entity(string xml)
{
XmlDocument doc = new XmlDocument();
PropertyInfo[] propinfos = null;
doc.LoadXml(xml);
XmlNodeList nodelist = doc.SelectNodes("/xml");
T entity = new T();
foreach (XmlNode node in nodelist)
{
//初始化propertyinfo
if (propinfos == null)
{
Type objtype = entity.GetType();
propinfos = objtype.GetProperties();
}
//填充entity类的属性
foreach (PropertyInfo pi in propinfos)
{
XmlNode cnode = node.SelectSingleNode(pi.Name);
pi.SetValue(entity, Convert.ChangeType(cnode.InnerText, pi.PropertyType), null);
}
}
return entity;
}
/// <summary>
/// 构造微信消息
/// </summary>
/// <param name="t">对象实体</param>
/// <returns>返回微信消息xml格式</returns>
public static string ConvertEntity2Xml(T t)
{
StringBuilder builder = new StringBuilder();
builder.Append("<xml>");
Type objtype = t.GetType();
//填充entity类的属性
foreach (PropertyInfo pi in objtype.GetProperties())
{
object obj = pi.GetValue(t);
string value = obj == null ? "" : obj.ToString();
if (pi.PropertyType.Name.ToLower() == "int64")
builder.Append("<" + pi.Name + ">" + value + "</" + pi.Name + ">");
else
builder.Append("<" + pi.Name + "><![CDATA[" + value + "]]></" + pi.Name + ">");
}
builder.Append("</xml>");
return builder.ToString();
}
}
}
基础类：http请求
/* *
* Copyright © 2013 CCT All Rights Reserved
* 作者：JackChain
* 时间：2013/8/23 18:21:23
* 功能：跨域访问
* 版本：V1.0
*
* 修改人：
* 修改点：
* */namespace ElegantWM.Tools
{ public class HttpCrossDomain
{ /// <summary>
/// 跨域访问 /// </summary>
/// <param name="url"></param>
/// <param name="param"></param>
/// <returns></returns>
public static string Post(string url, string param, int time = 60000)
{
Uri address = new Uri(url);
HttpWebRequest request = WebRequest.Create(address) as HttpWebRequest;
request.Method = "POST";
request.ContentType = "application/json;charset=utf-8"; //"application/x-www-form-urlencoded";
request.Timeout = time; byte[] byteData = UTF8Encoding.UTF8.GetBytes(param == null ? "" : param);
request.ContentLength = byteData.Length; using (Stream postStream = request.GetRequestStream())
{
postStream.Write(byteData, 0, byteData.Length);
} string result = ""; using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
StreamReader reader = new StreamReader(response.GetResponseStream());
result = reader.ReadToEnd();
} return (result);
} /// <summary>
/// 跨域访问 /// </summary>
/// <param name="url"></param>
/// <param name="param"></param>
/// <returns></returns>
public static string Get(string url, int time = 60000)
{
Uri address = new Uri(url);
HttpWebRequest request = WebRequest.Create(address) as HttpWebRequest;
request.Method = "GET";
request.ContentType = "application/json;charset=utf-8"; //"application/x-www-form-urlencoded";
request.Timeout = time; string result = ""; using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
StreamReader reader = new StreamReader(response.GetResponseStream());
result = reader.ReadToEnd();
} return (result);
}
}
}
获取Token：
public class CommonController : Controller
{
/// <summary>
/// 获取微信凭证
/// </summary>
/// <returns></returns>
public JsonResult GetWxCredential()
{
string url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}";
url = string.Format(url, ConfigurationManager.AppSettings["AppId"], ConfigurationManager.AppSettings["AppSecret"]);
string rst = HttpCrossDomain.Get(url);
if (rst.Contains("access_token"))
{
string tokenId=rst.Replace("{\"access_token\":\"", "").Replace("\",\"expires_in\":7200}", "");
CacheHelper.CacheInsertAddMinutes("access_token",tokenId,120);
return Json(tokenId, JsonRequestBehavior.AllowGet);
}
else
return Json(rst, JsonRequestBehavior.AllowGet);
}
}
获取和更新菜单
/// <summary>
/// 获取微信菜单
/// </summary>
/// <returns></returns>
public JsonResult Get()
{
string url = "https://api.weixin.qq.com/cgi-bin/menu/get?access_token=";
if (CacheHelper.CacheValue("access_token") != null)
{
url = url + CacheHelper.CacheValue("access_token").ToString();
}
string rst = HttpCrossDomain.Get(url);
return Json(rst,JsonRequestBehavior.AllowGet);
}
/// <summary>
/// 创建Menu
/// </summary>
/// <param name="json"></param>
/// <returns></returns>
[HttpPost]
public JsonResult Create(string json)
{
string url = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=";
if (CacheHelper.CacheValue("access_token") != null)
{
url = url+CacheHelper.CacheValue("access_token").ToString();
}
string rst = HttpCrossDomain.Post(url, json);
return Json(rst);
}
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