ASP.NET微信公众号之用户分组管理web页面

本文实例为大家分享了ASP.NET微信用户分组管理的具体代码，供大家参考，具体内容如下

Model层实体类:

 public class UserList
 {
 public string total { get; set; }
 public string count { get; set; }
 public userlistopenid data { get; set; }
 public string next_openid { get; set; }
 }

 public class userlistopenid
 {
 public List<string> openid { get; set; }
 }

 public class WxGroupsInfo
 {
 public string Group_ID { get; set; }//分组编号
 public string Group_Name { get; set; }//分组名称
 public string Group_Count { get; set; }//分组人数
 }

WX.aspx内容:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WX.aspx.cs" Inherits="test.WX" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
 <head runat="server">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
 <style type="text/css">
 .inputstyle {
 height: 35px;
 line-height: 35px;
 text-indent: 5px;
 width: 350px;
 background-image: url('images/inputbg.gif');
 background-repeat: repeat-x;
 border-top: solid 1px #a7b5bc;
 border-left: solid 1px #a7b5bc;
 border-right: solid 1px #ced9df;
 border-bottom: solid 1px #ced9df;
 margin: 15px auto 15px auto;
 }

 .g_title {
 width: 100%;
 border-bottom: 2px solid #ced9df;
 font-size: 20px;
 font-weight: bold;
 text-align: left;
 text-indent: 5px;
 height: 40px;
 line-height: 40px;
 }

 th {
 height: 35px;
 background-color: #31bb34;
 background-repeat: repeat-x;
 }

 tr { height: 30px; }

 #shownewgroup {
 width: 300px;
 height: 200px;
 background-color: white;
 z-index: 9999;
 border: 2px solid #DDD;
 top: 40%;
 left: 40%;
 background-color: #fff;
 position: fixed;
 margin: -100px auto auto -100px;
 display: none;
 }

 #shownewgroupzhezhaoceng {
 height: 200%;
 width: 200%;
 left: 0px;
 top: 0px;
 position: fixed;
 z-index: 9998;
 background: rgb(50, 50, 50);
 background: rgba(0, 0, 0, 0.5);
 display: none;
 }

 .closeLogin {
 height: 30px;
 border-bottom: 2px solid #31bb34;
 text-align: right;
 line-height: 30px;
 font-size: 14px;
 font-weight: bold;
 }

 a:hover { cursor: pointer; }

 .inputstyle22 {
 height: 35px;
 line-height: 35px;
 text-indent: 5px;
 width: 280px;
 background-image: url('images/inputbg.gif');
 background-repeat: repeat-x;
 border-top: solid 1px #a7b5bc;
 border-left: solid 1px #a7b5bc;
 border-right: solid 1px #ced9df;
 border-bottom: solid 1px #ced9df;
 float: left;
 margin: auto 5px auto 5px;
 }

 </style>

 <style type="text/css">

 .button {
 font: 15px Calibri, Arial, sans-serif;
 text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.4);

 text-decoration: none !important;
 white-space: nowrap;

 display: inline-block;
 vertical-align: baseline;
 position: relative;
 cursor: pointer;
 padding: 4px 20px;

 background-repeat: no-repeat;
 background-position: bottom left;
 background-image: url('button_bg.png');

 background-position: bottom left, top right, 0 0, 0 0;
 background-clip: border-box;

 -moz-border-radius: 8px;
 -webkit-border-radius: 8px;
 border-radius: 8px;

 -moz-box-shadow: 0 0 1px #fff inset;
 -webkit-box-shadow: 0 0 1px #fff inset;
 box-shadow: 0 0 1px #fff inset;

 -webkit-transition: background-position 1s;
 -moz-transition: background-position 1s;
 transition: background-position 1s;
 }

 .blue.button {
 color: #0f4b6d !important;

 border: 1px solid #84acc3 !important;

 background-color: #48b5f2;

 background-image: url('button_bg.png'), url('button_bg.png'),
   -moz-radial-gradient(center bottom, circle,
    rgba(89, 208, 244, 1) 0, rgba(89, 208, 244, 0) 100px),
   -moz-linear-gradient(#4fbbf7, #3faeeb);

 background-image: url('button_bg.png'), url('button_bg.png'),
   -webkit-gradient(radial, 50% 100%, 0, 50% 100%, 100,
    from(rgba(89, 208, 244, 1)), to(rgba(89, 208, 244, 0))),
   -webkit-gradient(linear, 0% 0%, 0% 100%, from(#4fbbf7), to(#3faeeb));
 }

 .blue.button:hover {
 background-color: #63c7fe;

 background-image: url('button_bg.png'), url('button_bg.png'),
   -moz-radial-gradient(center bottom, circle,
    rgba(109, 217, 250, 1) 0, rgba(109, 217, 250, 0) 100px),
   -moz-linear-gradient(#63c7fe, #58bef7);

 background-image: url('button_bg.png'), url('button_bg.png'),
   -webkit-gradient(radial, 50% 100%, 0, 50% 100%, 100,
    from(rgba(109, 217, 250, 1)), to(rgba(109, 217, 250, 0))),
   -webkit-gradient(linear, 0% 0%, 0% 100%, from(#63c7fe), to(#58bef7));
 }

 </style>
 <script src="js/jquery-1.11.2.min.js"></script>
 <script type="text/javascript">

 //修改分组名称调用的函数
 function EditRoster(PayNo, name) {

 //alert(PayNo+":"+name);
 var url = 'Edit.aspx?id=' + PayNo + "&name=" + name; //转向网页的地址;
 var name = 'add'; //网页名称，可为空;
 var iWidth = 600; //弹出窗口的宽度;
 var iHeight = 300; //弹出窗口的高度;
 //获得窗口的垂直位置
 var iTop = (window.screen.availHeight - 30 - iHeight) / 2;
 //获得窗口的水平位置
 var iLeft = (window.screen.availWidth - 10 - iWidth) / 2;
 window.open(url, name, 'height=' + iHeight + ',innerHeight=' + iHeight + ',width=' + iWidth + ',innerWidth=' + iWidth + ',top=' + iTop + ',left=' + iLeft + ',status=no,toolbar=no,menubar=no,location=no,resizable=no,scrollbars=0,titlebar=no');
 }

 $(document).ready(function() {

 $(".newGroups").click(function() {
  $("#shownewgroupzhezhaoceng").show();
  $("#shownewgroup").show();
  }),
  $('.closeloginpage').click(function() {
  $("#shownewgroupzhezhaoceng").hide();
  $("#shownewgroup").hide();
  });
 });
 </script>
 </head>
 <body>
 <form id="form1" runat="server">
 <div class="g_title">分组管理</div>
 <div id="shownewgroup">
 <div class="closeLogin">
  <span style="float: left; color: #08a5e0; font-size: 18px; text-indent: 5px;">新建分组</span>
  <a class="closeloginpage button blue ">
  关闭
  </a>
 </div>
 <div style="font-size: 12px; height: 40px; color: red; line-height: 40px;">
  30字符以内

 </div>
 <input type="text" id="txtgroupsName" name="txtgroupsName" class="inputstyle22" maxlength="30" runat="server" value="分组名称" onfocus="if(value==defaultValue){value='';this.style.color='#000'}" onblur="if(!value){value=defaultValue;this.style.color='#999'}" style="color: #999"/>
 <asp:LinkButton ID="LinkBtnCreateGroup" runat="server" OnClick="LinkBtnCreateGroup_Click">
  <div style="background-image: url('images/buttonbg.png'); width: 111px; height: 35px; line-height: 35px; font-weight: bold; float: left; margin-top: 20px; margin-left: 5px; text-align: center; color: #fff;">
  确定创建
  </div>

 </asp:LinkButton>
 </div>
 <div id="shownewgroupzhezhaoceng"></div>
 <table style="width: 1124px; margin: 10px auto 10px auto; border: 1px solid #ecd9df; text-align: center;">
 <asp:Repeater ID="RepeaterGroupList" runat="server" OnItemCommand="RepeaterGroupList_ItemCommand" OnItemDataBound="RepeaterGroupList_ItemDataBound">
  <HeaderTemplate>
  <tr>
  <th>序号</th>
  <th>ID编号</th>
  <th>分组名称</th>
  <th>分组人数</th>
  <th>操作</th>
  </tr>
  </HeaderTemplate>
  <ItemTemplate>
  <tr style='background-color: <%#(Container.ItemIndex%2 == 0) ? "#fff" : "#ced9ff" %>'>
  <td><asp:Label ID="lbXuHao" runat="server" Text=""></asp:Label></td>
  <td><%# Eval("Group_ID") %></td>
  <td><%# Eval("Group_Name") %></td>
  <td><%# Eval("Group_Count") %></td>
  <td>
  <a class="button blue" onclick=" EditRoster('<%# Eval("Group_ID") %>', '<%# Eval("Group_Name") %>'); ">修改分组名称</a>
  <asp:LinkButton ID="LinkBtnDeleteGroup" runat="server" CommandName="DeleteGroups" CommandArgument='<%# Eval("Group_ID") %>' CssClass="button blue">删除分组</asp:LinkButton>

  <asp:LinkButton ID="LinkBtnSendByGroup" runat="server" CommandName="SendByGroups" CommandArgument='<%# Eval("Group_ID") %>' CssClass="button blue">此分组消息群发</asp:LinkButton>

  <asp:LinkButton ID="LinkBtnMoveUserToGroup" runat="server" CommandName="MoveUserToGroup" CommandArgument='<%# Eval("Group_ID") %>' CssClass="button blue">移动分组</asp:LinkButton>
  </td>
  </tr>
  </ItemTemplate>
 </asp:Repeater>
 </table>
 <a class="newGroups"><div style="background-image: url('images/buttonbg.png'); width: 111px; height: 35px; line-height: 35px; margin: 10px auto 10px 28px; font-weight: bold; float: left; text-align: center; color: #fff;"> ┼ 新建分组</div></a>
 </form>
 </body>
</html>

WX.aspx.cs代码:

public partial class WX : System.Web.UI.Page
 {
 protected void Page_Load(object sender, EventArgs e)
 {
 BindGroupList();
 this.DataBind();
 }

 private void BindGroupList()
 {
 WeiXinServer wxs = new WeiXinServer();

 //从缓存读取accesstoken
 string Access_token = Cache["Access_token"] as string;

 if (Access_token == null)
 {
 //如果为空，重新获取
 Access_token = wxs.GetAccessToken();
 //设置缓存的数据7000秒后过期
 Cache.Insert("Access_token", Access_token, null, DateTime.Now.AddSeconds(7000),
  System.Web.Caching.Cache.NoSlidingExpiration);
 }

 string Access_tokento = Access_token.Substring(17, Access_token.Length - 37);

 string jsonres = "";

 string content = Cache["AllGroups_content"] as string;

 if (content == null)
 {
 jsonres = "https://api.weixin.qq.com/cgi-bin/groups/get?access_token=" + Access_tokento;

 HttpWebRequest myRequest = (HttpWebRequest) WebRequest.Create(jsonres);
 myRequest.Method = "GET";
 HttpWebResponse myResponse = (HttpWebResponse) myRequest.GetResponse();
 StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
 content = reader.ReadToEnd();
 reader.Close();

 //设置缓存的数据7000秒后过期
 Cache.Insert("AllGroups_content", content, null, DateTime.Now.AddSeconds(7000),
  System.Web.Caching.Cache.NoSlidingExpiration);
 }

 //使用前需要引用Newtonsoft.json文件
 JObject jsonObj = JObject.Parse(content);

 int groupsnum = jsonObj["groups"].Count();

 List<WxGroupsInfo> wxgrouplist = new List<WxGroupsInfo>();

 for (int i = 0; i < groupsnum; i++)
 {
 WxGroupsInfo wginfo = new WxGroupsInfo();

 wginfo.Group_ID = jsonObj["groups"][i]["id"].ToString();

 wginfo.Group_Name = jsonObj["groups"][i]["name"].ToString();

 wginfo.Group_Count = jsonObj["groups"][i]["count"].ToString();

 wxgrouplist.Add(wginfo);
 }

 this.RepeaterGroupList.DataSource = wxgrouplist;
 this.RepeaterGroupList.DataBind();
 }

 /// <summary>
 /// 绑定事件
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 protected void RepeaterGroupList_ItemDataBound(object sender, RepeaterItemEventArgs e)
 {
 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
 {
 Label lbXuHao = e.Item.FindControl("lbXuHao") as Label;

 int num = 1;

 lbXuHao.Text = num.ToString();

 for (int i = 0; i < this.RepeaterGroupList.Items.Count; i++)
 {
  num += 1;
  lbXuHao.Text = num.ToString();
 }

 LinkButton LinkBtnDeleteGroup = e.Item.FindControl("LinkBtnDeleteGroup") as LinkButton;
 LinkButton LinkBtnSendByGroup = e.Item.FindControl("LinkBtnSendByGroup") as LinkButton;

 LinkBtnDeleteGroup.Attributes.Add("OnClick", "return confirm('您确定要删除该分组？删除后该分组内的人员即将恢复到默认分组！')");
 LinkBtnDeleteGroup.Attributes.Add("OnClick", "return confirm('您确定要群发消息到该分组？')");
 }
 }

 /// <summary>
 /// 执行事件
 /// </summary>
 /// <param name="source"></param>
 /// <param name="e"></param>
 protected void RepeaterGroupList_ItemCommand(object source, RepeaterCommandEventArgs e)
 {
 if (e.CommandName == "DeleteGroups")
 {
 WeiXinServer wxs = new WeiXinServer();
 string res = "";

 //从缓存读取accesstoken
 string Access_token = Cache["Access_token"] as string;

 if (Access_token == null)
 {
  //如果为空，重新获取
  Access_token = wxs.GetAccessToken();

  //设置缓存的数据7000秒后过期
  Cache.Insert("Access_token", Access_token, null, DateTime.Now.AddSeconds(7000),
  System.Web.Caching.Cache.NoSlidingExpiration);
 }

 string Access_tokento = Access_token.Substring(17, Access_token.Length - 37);

 string posturl = "https://api.weixin.qq.com/cgi-bin/groups/delete?access_token=" + Access_tokento;

 //POST数据例子： POST数据例子：{"group":{"id":108}}

 string groupid = e.CommandArgument.ToString();

 string postData = "{\"group\":{\"id\":\"" + groupid + "\"}}";

 res = wxs.GetPage(posturl, postData);

 ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "",
  "alert('删除成功！由于缓存问题，您可能需要重新登录才能看到效果！');location='WxGroupManageList.aspx';", true);
 }

 if (e.CommandName == "SendByGroups")
 {
 WeiXinServer wxs = new WeiXinServer();
 string res = "";

 //从缓存读取accesstoken
 string Access_token = Cache["Access_token"] as string;

 if (Access_token == null)
 {
  //如果为空，重新获取
  Access_token = wxs.GetAccessToken();

  //设置缓存的数据7000秒后过期
  Cache.Insert("Access_token", Access_token, null, DateTime.Now.AddSeconds(7000),
  System.Web.Caching.Cache.NoSlidingExpiration);
 }

 string Access_tokento = Access_token.Substring(17, Access_token.Length - 37);

 string posturl = "https://api.weixin.qq.com/cgi-bin/message/mass/sendall?access_token=" + Access_tokento;

 string groupid = e.CommandArgument.ToString();

 //string postData = "{\"group\":{\"id\":\"" + groupid.ToString() + "\"}}";

 JObject postData = new JObject();
  JObject filter = new JObject();
  filter.Add("is_to_all", false);
  filter.Add("group_id", groupid);

  JObject text = new JObject();
  text.Add("content", "测试内容！");

  postData.Add("filter", filter);
  postData.Add("text", text);
  postData.Add("msgtype", "text");

 res = wxs.GetPage(posturl, postData.ToString());

 ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "",
  "alert('群发成功！由于缓存问题，您可能需要重新登录才能看到效果！');location='WxGroupManageList.aspx';", true);
 }

 if (e.CommandName == "MoveUserToGroup")
 {
 WeiXinServer wxs = new WeiXinServer();
 string res = "";
 string Access_token = Cache["Access_token"] as string;

 if (Access_token == null)
 {
  Access_token = wxs.GetAccessToken();
  Cache.Insert("Access_token", Access_token, null, DateTime.Now.AddSeconds(7000), System.Web.Caching.Cache.NoSlidingExpiration);
 }

 string Access_tokento = Access_token.Substring(17, Access_token.Length - 37);
 string posturl = "https://api.weixin.qq.com/cgi-bin/groups/members/update?access_token=" + Access_tokento;

 string UserListurl = "https://api.weixin.qq.com/cgi-bin/user/get?access_token=" + Access_tokento + "&next_openid=";

 //{"total":2,"count":2,"data":{"openid":["","OPENID1","OPENID2"]},"next_openid":"NEXT_OPENID"}
 res = wxs.GetPage(UserListurl,"");
 UserList userList= JsonConvert.DeserializeObject<UserList>(res);
 String openid=userList.data.openid.FirstOrDefault();
 int togroup_id = 101;//输入分组ID
 string postData = "{\"openid\":\"" + openid + "\",\"to_groupid\":" + togroup_id + "}";
 res = wxs.GetPage(posturl, postData);

 ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "",
  "alert('移动分组成功！由于缓存问题，您可能需要重新登录才能看到效果！');location='WxGroupManageList.aspx';", true);
 }
 }

 /// <summary>
 /// 创建分组
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 protected void LinkBtnCreateGroup_Click(object sender, EventArgs e)
 {
 if (this.txtgroupsName.Value.Equals("分组名称"))
 {
 ////
 ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "", "alert('不能为空！')", true);
 this.txtgroupsName.Focus();
 return;
 }

 WeiXinServer wxs = new WeiXinServer();
 string res = "";

 ///从缓存读取accesstoken
 string Access_token = Cache["Access_token"] as string;

 if (Access_token == null)
 {
 //如果为空，重新获取
 Access_token = wxs.GetAccessToken();

 //设置缓存的数据7000秒后过期
 Cache.Insert("Access_token", Access_token, null, DateTime.Now.AddSeconds(7000),
  System.Web.Caching.Cache.NoSlidingExpiration);
 }

 string Access_tokento = Access_token.Substring(17, Access_token.Length - 37);

 string posturl = "https://api.weixin.qq.com/cgi-bin/groups/create?access_token=" + Access_tokento;

 string postData = "{\"group\":{\"name\":\"" + this.txtgroupsName.Value.ToString().Trim() + "\"}}";
 res = wxs.GetPage(posturl, postData);
 ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "",
 "alert('创建成功！如未显示，请退出重新登录即可！');location='WxGroupManageList.aspx';", true);
 }
 }

WeiXinServer.cs代码:

/// <summary>
 /// 微信服务类
 /// </summary>
 public class WeiXinServer
 {
 /// <summary>
 /// 获取通行证
 /// </summary>
 /// <returns></returns>
 public string GetAccessToken()
 {
 string url_token =
 "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=wx3eb5bf1290db2ca0&secret=e6013be0a7338c7d3e02877db116e231";
 HttpWebRequest myRequest = (HttpWebRequest) WebRequest.Create(url_token);
 myRequest.Method = "GET";
 HttpWebResponse myResponse = (HttpWebResponse) myRequest.GetResponse();
 StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
 string content = reader.ReadToEnd();
 reader.Close();
 return content;
 }

 public string GetPage(string p, string postData)
 {
 Stream outstream = null;
 Stream instream = null;
 StreamReader sr = null;
 HttpWebResponse response = null;
 HttpWebRequest request = null;
 Encoding encoding = Encoding.UTF8;
 byte[] data = encoding.GetBytes(postData);
 // 准备请求...
 try
 {
 // 设置参数
 request = WebRequest.Create(p) as HttpWebRequest;
 CookieContainer cookieContainer = new CookieContainer();
 request.CookieContainer = cookieContainer;
 request.AllowAutoRedirect = true;
 request.Method = "POST";
 request.ContentType = "application/x-www-form-urlencoded";
 request.ContentLength = data.Length;
 outstream = request.GetRequestStream();
 outstream.Write(data, 0, data.Length);
 outstream.Close();
 //发送请求并获取相应回应数据
 response = request.GetResponse() as HttpWebResponse;
 //直到request.GetResponse()程序才开始向目标网页发送Post请求
 instream = response.GetResponseStream();
 sr = new StreamReader(instream, encoding);
 //返回结果网页（html）代码
 string content = sr.ReadToEnd();
 string err = string.Empty;
 return content;
 }
 catch (Exception ex)
 {
 string err = ex.Message;
 return string.Empty;
 }
 }
 }

Edit.aspx内容:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Edit.aspx.cs" Inherits="test.Edit" %>

<html >
 <head runat="server">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
 <title></title>
 <style type="text/css">
 .inputstyle {
 height: 35px;
 line-height: 35px;
 text-indent: 5px;
 width: 280px;
 background-image: url('images/inputbg.gif');
 background-repeat: repeat-x;
 border-top: solid 1px #a7b5bc;
 border-left: solid 1px #a7b5bc;
 border-right: solid 1px #ced9df;
 border-bottom: solid 1px #ced9df;
 float: left;
 margin: auto 5px auto 5px;
 }

 </style>
 </head>
 <body>
 <form id="form1" runat="server">
 <table border="1" style="width: 500px; border-collapse: collapse; margin: 20px auto 20px auto; line-height: 40px;">
 <tr>
  <td style="text-align: right;">分组编号：</td>
  <td> <asp:TextBox ID="txtGroupId" CssClass="inputstyle" Enabled="false" runat="server"></asp:TextBox></td>
 </tr>
 <tr>
  <td style="text-align: right;">分组名称：</td>
  <td>
  <asp:TextBox ID="txtGroupName" CssClass="inputstyle" runat="server"></asp:TextBox>
  </td>
 </tr>
 <tr>
  <td></td>
  <td>
  <asp:LinkButton ID="LinkBtnSet" runat="server" OnClick="LinkBtnSet_Click" ><div style="background-image: url('images/buttonbg.png'); width: 111px; height: 35px; line-height: 35px; float: left; font-weight: bold; text-align: center; color: #fff;"> 设 置</div></asp:LinkButton></td>
 </tr>
 </table>
 </form>
 </body>
</html>

Edit.aspx.cs代码:

 public partial class Edit : System.Web.UI.Page
 {
 protected void Page_Load(object sender, EventArgs e)
 {
 if (!Page.IsPostBack)
 {
 if (Request.QueryString["id"] != null)
 {
  string group_id = Request.QueryString["id"].ToString();
  string group_name = Request.QueryString["name"].ToString();
  this.txtGroupId.Text = group_id.ToString();
  this.txtGroupName.Text = group_name.ToString();
  this.txtGroupName.Focus();
 }
 }
 }

 /// <summary>
 /// 设置
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 protected void LinkBtnSet_Click(object sender, EventArgs e)
 {
 if (String.IsNullOrWhiteSpace(this.txtGroupName.Text.ToString().Trim()))
 {
 ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "", "alert('不能为空！');", true);
 this.txtGroupName.Focus();
 return;
 }
 if (this.txtGroupName.Text.Trim().Length > 30)
 {
 ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "", "alert('组名称应在30个字符之内！');", true);
 this.txtGroupName.Focus();
 return;
 }

 WeiXinServer wxs = new WeiXinServer();
 string res = "";

 //从缓存读取accesstoken
 string Access_token = Cache["Access_token"] as string;

 if (Access_token == null)
 {
 //如果为空，重新获取
 Access_token = wxs.GetAccessToken();

 //设置缓存的数据7000秒后过期
 Cache.Insert("Access_token", Access_token, null, DateTime.Now.AddSeconds(7000),
  System.Web.Caching.Cache.NoSlidingExpiration);
 }

 string Access_tokento = Access_token.Substring(17, Access_token.Length - 37);

 string posturl = "https://api.weixin.qq.com/cgi-bin/groups/update?access_token=" + Access_tokento;

 //POST数据例子：POST数据例子：{"group":{"id":108,"name":"test2_modify2"}}

 string postData = "{\"group\":{\"id\":\"" + txtGroupId.Text + "\",\"name\":\"" + this.txtGroupName.Text +
  "\"}}";
 res = wxs.GetPage(posturl, postData);

 //使用Newtonsoft.json
 JObject jsonObj = JObject.Parse(res);

 //获取返回结果的正确|true|false,
 string isright = jsonObj["errcode"].ToString(); //0
 string istrueorfalse = jsonObj["errmsg"].ToString(); //ok
 if (isright.Equals("0") && istrueorfalse.Equals("ok"))
 {
 //修改成功之后，刷新父窗体，关闭本页
 ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "",
  "alert('修改成功！如未正常显示，属缓存问题，请重新登录即可！');window.open![这里写图片描述](http://img.blog.csdn.net/20161008103126694)er.location.reload();this.close();", true);
 }
 else
 {
 ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "", "alert('修改失败！');this.close();",
  true);
 }
 }
 }

buttonbg.png

结果如图:

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