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小编给大家分享一下微信开发之如何实现推送消息的，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！
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最近做微信公共号的开发，有个需求是这样的消息推送，以文本的形式把编辑的消息发送给微信企业号中的某一个应用组，这里做下笔记，以下是整理内容：
//定义数据模型
public class Access_token
{
public Access_token()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
string _access_token;
string _expires_in;
///
/// 获取到的凭证
///
public string access_token
{
get { return _access_token; }
set { _access_token = value; }
}
///
/// 凭证有效时间，单位：秒
///
public string expires_in
{
get { return _expires_in; }
set { _expires_in = value; }
}
} public ActionResult index(string returnUrl)
{
GetAccess_token()；
IsExistAccess_Token()；
return View();
}
public static Access_token GetAccess_token()
{
string AppUrl = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?";
string AppID = "应用组的CorpID";//在设置-》权限管理-》系统管理组
string AppSecret = "应用组的Secret";//在设置-》权限管理-》系统管理组
WebClient webClient = new WebClient();
Byte[] bytes = webClient.DownloadData(string.Format("{0}corpid={1}&corpsecret={2}", AppUrl, AppID, AppSecret));
string result = Encoding.GetEncoding("utf-8").GetString(bytes);
JObject jObj = JObject.Parse(result);
string token = jObj["access_token"].ToString();
string expires_in = jObj["expires_in"].ToString();
Access_token mode = new Access_token();
mode.access_token = token;
mode.expires_in = expires_in;
return mode;
}
///根据当前日期 判断Access_Token 是否超期 如果超期返回新的Access_Token 否则返回之前的Access_Token
public static string IsExistAccess_Token()
{
string Token = string.Empty;
DateTime YouXRQ;
string strPath = "../../weixin/XMLFile.xml";
// 读取XML文件中的数据，并显示出来
//string filepath = System.Web.Hosting.HostingEnvironment.MapPath(strPath);
string filepath = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, strPath);
StreamReader str = new StreamReader(filepath, System.Text.Encoding.UTF8);
XmlDocument xml = new XmlDocument();
xml.Load(str);
str.Close();
str.Dispose();
Token = xml.SelectSingleNode("xml").SelectSingleNode("Access_Token").InnerText;
YouXRQ = Convert.ToDateTime(xml.SelectSingleNode("xml").SelectSingleNode("Access_YouXRQ").InnerText);
if (DateTime.Now > YouXRQ)
{
DateTime _youxrq = DateTime.Now;
Access_token mode = GetAccess_token();
xml.SelectSingleNode("xml").SelectSingleNode("Access_Token").InnerText = mode.access_token;
_youxrq = _youxrq.AddSeconds(int.Parse(mode.expires_in));
xml.SelectSingleNode("xml").SelectSingleNode("Access_YouXRQ").InnerText = _youxrq.ToString();
xml.Save(filepath);
Token = mode.access_token;
}
object text = new
{
toparty = "1",
agentid = "2",
msgtype = "text",
text = new
{
content = "项目名称："+来保网+""
}
};
string wcr= btnSend(Token, text);
return wcr;
}
public static string btnSend(string Token, object text)
{
string url = "https://qyapi.weixin.qq.com/cgi-bin/message/send?access_token=" + Token;
WebRequest req = WebRequest.Create(url);
JavaScriptSerializer aa = new JavaScriptSerializer();
string postData = aa.Serialize(text);
byte[] requestBytes = Encoding.UTF8.GetBytes(postData);
req.Method = "POST";
req.ContentType = "application/x-www-form-urlencoded";
req.ContentLength = requestBytes.Length;
Stream requestStream = req.GetRequestStream();
requestStream.Write(requestBytes, 0, requestBytes.Length);
requestStream.Close();
HttpWebResponse res = (HttpWebResponse)req.GetResponse();
StreamReader sr = new StreamReader(res.GetResponseStream(), Encoding.Default);
string backstr = sr.ReadToEnd();
sr.Close();
res.Close();
WeChatReturn WCR = aa.Deserialize(backstr);
return WCR.errmsg;
}以上是“微信开发之如何实现推送消息的”这篇文章的所有内容，感谢各位的阅读！相信大家都有了一定的了解，希望分享的内容对大家有所帮助，如果还想学习更多知识，欢迎关注创新互联行业资讯频道！