asp.net微信开发第四篇----已关注用户管理

如果本章不明白打标签是什么意思，可以先看用户分组管理，再看本章，本项目所用框架基于：layUI，官网：https://www.layui.com/

公众号可通过本接口来获取帐号的关注者列表，关注者列表由一串OpenID（加密后的微信号，每个用户对每个公众号的OpenID是唯一的）组成。一次拉取调用最多拉取10000个关注者的OpenID，可以通过多次拉取的方式来满足需求。

接口调用请求说明

http请求方式: GET（请使用https协议）

https://api.weixin.qq.com/cgi-bin/user/get?access_token=ACCESS_TOKEN&next_openid=NEXT_OPENID

参数	是否必须	说明
access_token	是	调用接口凭证
next_openid	是	第一个拉取的OPENID，不填默认从头开始拉取

返回说明

正确时返回JSON数据包：

{"total":2,"count":2,"data":{"openid":["","OPENID1","OPENID2"]},"next_openid":"NEXT_OPENID"}

参数	说明
total	关注该公众账号的总用户数
count	拉取的OPENID个数，最大值为10000
data	列表数据，OPENID的列表
next_openid	拉取列表的最后一个用户的OPENID

错误时返回JSON数据包（示例为无效AppID错误）：

{"errcode":40013,"errmsg":"invalid appid"}

附：关注者数量超过10000时

当公众号关注者数量超过10000时，可通过填写next_openid的值，从而多次拉取列表的方式来满足需求。

具体而言，就是在调用接口时，将上一次调用得到的返回中的next_openid值，作为下一次调用中的next_openid值。

示例如下：

公众账号A拥有23000个关注的人，想通过拉取关注接口获取所有关注的人，那么分别请求url如下：

https://api.weixin.qq.com/cgi-bin/user/get?access_token=ACCESS_TOKEN

返回结果:

{

  "total":23000,

  "count":10000,

  "data":{"

     openid":[

        "OPENID1",

        "OPENID2",

        ...,

        "OPENID10000"

     ]

   },

   "next_openid":"OPENID10000"

}

https://api.weixin.qq.com/cgi-bin/user/get?access_token=ACCESS_TOKEN&next_openid=NEXT_OPENID1

返回结果:

{

   "total":23000,

   "count":10000,

   "data":{

     "openid":[

       "OPENID10001",

       "OPENID10002",

       ...,

       "OPENID20000"

     ]

   },

   "next_openid":"OPENID20000"

}

https://api.weixin.qq.com/cgi-bin/user/get?access_token=ACCESS_TOKEN&next_openid=NEXT_OPENID2

返回结果（关注者列表已返回完时，返回next_openid为空）:

{

   "total":23000,

   "count":3000,

   "data":{"

       "openid":[

         "OPENID20001",

         "OPENID20002",

         ...,

         "OPENID23000"

       ]

   },

   "next_openid":"OPENID23000"

}

本篇更新于2017年5月11日，微信官方网站后台的接口权限表里（以服务号为例）每天调用的获取用户列表能获取500次，获取用户基本信息可以获取500000次，所以说接下来，我在获取用户列表的时候，会用到缓存，别看500次不少了，
可是真正的用起来快得不得了，先上效果图如下：

打标签：

批量打标签：

修改用户备注名：

同步官方数据：具体实现思路如下：

1.新建微信用户实体类，openID实体类，用于封装微信用户的每个属性信息，

2.从微信服务器获取到数据后（如果获取数据较多，容易出现卡死现象，我做的是ajax异步获取,加了一个加载数据的动画显示），序列化后转存到本地数据库（转存前删除本地数据库的原有用户数据），页面加载数据的时候是从本地数据库加载的，不和微信打交道，

先来看看用户列表，官网说获取用户的列表返回的是一组组openID，针对这个特性，我是这么做的，
创建一个用于存储openId的类，用于存储openID列表

 /// <summary>

    /// 微信用户的OpenID实体类,此类不用来参与数据库数据存储，只是临时储存用户的openID列表

    /// </summary>

    public class WeChat_UserOpenIdInfo

    {

        /// <summary>

        /// 微信用户的openID

        /// </summary>

        public String WeChatUserOpenId { get; set; }

    }

/// <summary>

    /// 微信已关注用户实体类

    /// </summary>

    public class WeChat_UserInfo

    {

        public int ID { get; set; }//编号，自增列

        public string subscribe { get; set; }//关注状态

        public string openid { get; set; }//OpenID

        public string nickname { get; set; }//昵称

        public string sex { get; set; }//性别

        public string city { get; set; }//城市

        public string country { get; set; }//国家

        public string province { get; set; }//省份

        public string language { get; set; }//语言

        public string headimgurl { get; set; }//头像图片地址

        public string subscribe_time { get; set; }//用户关注时间

        public string remark { get; set; }//备注

        public string groupid { get; set; }//分组ID

        /// <summary>

        /// 用户被打上的标签ID列表

        /// </summary>

        public string tagid_list { get; set; }

    }

用户列表前台代码

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WeiXinUserList.aspx.cs" Inherits="DQWebSite.Administrator.WeiXinUserList" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>

    <title></title>

    <link href="css/style.css" rel="Stylesheet" type="text/css" />

    <style type="text/css">

        #title {width:%; height:40px;margin-top:10px; text-indent:5px; line-height:40px;}

        .checkstyle { float:left;}

        #DDlAddgroups { text-align:center; width:161px; border:1px solid #d9d9d9; border-radius:5px; height:35px; line-height:35px; font-weight:bold; text-align:center; float:left; margin:auto 5px auto 5px;}

        .DDlAddgroups{ text-align:center; width:161px; border:1px solid #d9d9d9; border-radius:5px; height:35px; line-height:35px; font-weight:bold; text-align:center; float:left; margin:auto 5px auto 5px;}

        #DDLgroups { text-align:center; width:111px; border:1px solid #d9d9d9; border-radius:5px; height:35px; line-height:35px; font-weight:bold; text-align:center; float:left; margin:auto 5px auto 5px;}

        .newGroups {  margin:auto 5px auto 5px;}

        .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;

        }

        .wxusertab { border:1px solid #d9d9d9; width:%; text-align:left; text-indent:5px;

        }  

        th { height:35px;background-image:url('images/th.gif'); background-repeat:repeat-x;

        }

        td {

            border-bottom:1px solid #d9d9d9;

        }

        .trcolor { background-color:#ecd9df;

        }

        tr:hover { cursor:pointer;

        }

          #FenPage { width:1124px; height:25px; line-height:25px; text-align:center; margin:20px auto 20px auto;

        }

        .linka { color:#0094ff; cursor:pointer;

        }

        .fenyebtn {width:60px; height:25px; border:1px solid #ced9df; border-radius:5px; text-align:center; line-height:25px; float:right;

        }

        .fenyebtn2 { width:60px; height:25px; border:1px solid #ced9df; border-radius:5px; text-align:center; line-height:25px;margin-left:10px;float:right;

        }

        .toPageIndex { width:60px;height:25px; background-image:url('images/inputbg.gif'); margin-left:10px; background-repeat:repeat-x;border-top:solid 1px #a7b5bc; border-left:solid 1px #a7b5bc; border-right:solid 1px #ced9df; border-bottom:solid 1px #ced9df; text-align:center; float:right;

        }

        .gotoPagebtn { width:60px; height:25px; border:1px solid #ced9df; border-radius:5px; text-align:center; line-height:25px;margin-left:10px;float:right; background-color:#ced9df;

        }

        .deletebtn {float:left;width:100px; color:#; height:25px; background-color:#ced9df; border:1px solid #ced9df; border-radius:5px; text-align:center;

        }

        a { color:#08a5e0;

        }

        .droplist {  background-image:url('images/inputbg.gif'); background-repeat:repeat-x; width:120px; height:25px; border:1px solid #ced9df;

        }

        .checkstyle {  float:left;

        }

        .imgheadstyle { width:50px; height:50px; margin-top:10px;

        }

        .lbsubscribeCount { font-size:26px;

        }

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

        }

        #shownewgroupzhezhaoceng { height:%; width:%; left:0px; top:0px;position:fixed; z-index:;  background:rgb(,,);background:rgba(,,,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;

        }

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

        }

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

        }

    </style>

     <script src="../js/jquery-1.7.1.min.js" type="text/javascript"></script>

    <script type="text/javascript">

        $(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="place">

                <span>位置：</span>

                <ul class="placeul">

                    <li><a href="WelCome.aspx" target="rightFrame">首页</a></li>

                    <li>微信管理</li>

                    <li>德桥员工服务中心--关注者列表管理</li>

                </ul>

      </div>

            <asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>

            <asp:UpdatePanel ID="UpdatePanel1" runat="server">

                <ContentTemplate>

                   <div id="shownewgroup">

                    <div class="closeLogin"><a class="closeloginpage"><span style="float:left; color:#08a5e0; font-size:18px; text-indent:5px;">新建分组</span>关闭</a>&nbsp;&nbsp;</div>

             <div style="font-size:12px; height:40px; color:red; line-height:40px;">&nbsp;&nbsp;30字符以内</div>

             <input  type="text" id="txtgroupsName" name="txtgroupsName"  class="inputstyle" maxlength=""  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;">&nbsp;确定创建</div></asp:LinkButton>

                  </div>

                 <div id="shownewgroupzhezhaoceng"></div>

            <div style=" border-bottom:2px solid #31bb34; height:30px; margin-top:10px; text-indent:10px; font-size:22px; line-height:30px; width:100%;"><span style="float:left; font-size:16px;">已关注人数</span><span style="color:red;"><asp:Label ID="lbsubscribeCount" CssClass="lbsubscribeCount" runat="server" Text="Label"></asp:Label> </span></div>

            <div id="title">

            <asp:CheckBox ID="CheckAll" runat="server" CssClass="checkstyle" OnCheckedChanged="CheckAll_CheckedChanged" /><span style="float:left;">全选&nbsp;</span>

            <asp:DropDownList ID="DDlAddgroups" CssClass="DDlAddgroups" runat="server" OnSelectedIndexChanged="DDlAddgroups_SelectedIndexChanged">

            </asp:DropDownList>

             <asp:DropDownList ID="DDLgroups" runat="server">

            </asp:DropDownList>

            <a class="newGroups"><div style="background-image:url('images/buttonbg.png'); width:111px; height:35px; line-height:35px; margin:auto 20px auto 10px; font-weight:bold;float:left; text-align:center;color:#fff;">&nbsp;+&nbsp;新建分组</div></a>

             <a href="WxGroupManageList.aspx"><div style="background-image:url('images/buttonbg.png'); width:111px; height:35px; line-height:35px; margin:auto 20px auto 10px; font-weight:bold;float:left; text-align:center;color:#fff;">分组管理</div></a>

                <a href="WeiXinUserList.aspx"><div style="background-image:url('images/buttonbg.png'); width:111px; height:35px; line-height:35px; margin:auto 20px auto 10px; font-weight:bold;float:left; text-align:center;color:#fff;">刷&nbsp;&nbsp;新</div></a>

<%--            <input  type="text" id="txtName" name="txtName"  class="inputstyle"  runat="server" value="用户昵称" onfocus="if(value==defaultValue){value='';this.style.color='#000'}" onblur="if(!value){value=defaultValue;this.style.color='#999'}" style="color:#999"/>

             <asp:LinkButton ID="LinkButton1" runat="server"><div style="background-image:url('images/buttonbg.png'); width:111px; height:35px; line-height:35px; font-weight:bold;float:left; text-align:center;color:#fff;">&nbsp;查询</div></asp:LinkButton>--%>

        </div>

         <table class="wxusertab">

        <asp:Repeater ID="RepeaterWxUserList" runat="server" OnItemDataBound="RepeaterWxUserList_ItemDataBound">

            <HeaderTemplate>

                <tr>

                    <th></th>

                    <th>OpenID</th>

                    <th>头像</th>

                    <th>昵称（备注名）</th>

                    <th>关注时间</th>

                    <th>所属分组</th>

                    <th>操作</th>

                </tr>

            </HeaderTemplate>

            <ItemTemplate>

                        <tr style="width:100%; line-height:50px;">

                            <td style="width:30px;">&nbsp;&nbsp;<asp:CheckBox ID="CheckIn" runat="server" CssClass="checkstyle" /> <%--OnCheckedChanged="CheckIn_CheckedChanged"--%></td>

                            <td style="width:150px;"><asp:Label ID="lbwxopenID" runat="server" Text=""></asp:Label>

                            </td>

                            <td style="width:80px;"><asp:Image ID="ImgHeadUrl" runat="server" CssClass="imgheadstyle" /> </td>

                            <td style="width:150px;"><asp:Label ID="lbNickName" runat="server" CssClass="checkstyle" Text=""></asp:Label>

                                <asp:Label ID="lbRemark" runat="server" Text=""></asp:Label>

                            </td>

                            <td style="width:130px;">

                                <asp:Label ID="lbSubscrine_time" runat="server" Text=""></asp:Label>

                            </td>

                            <td style="width:100px;">

                                <asp:Label ID="lbgroupId" runat="server" CssClass="checkstyle" Visible="false" Text=""></asp:Label>

                                <asp:DropDownList ID="DDlAddgroupss" Enabled="false" CssClass="DDlAddgroups" runat="server">

                                <asp:ListItem Value="">分组名称</asp:ListItem>

                            </asp:DropDownList>

                            </td>

                            <td style="width:110px;">

                                <a href='UpdateRemarkName.aspx?id=<%# Eval("WxopenId") %>'><div style=" border:1px solid #d9d9d9; border-radius:5px; width:111px; height:35px; line-height:35px; font-weight:bold;float:left; text-align:center;">&nbsp;修改备注名称</div></a>

                            </td>

                        </tr>

            </ItemTemplate>

        </asp:Repeater>

             </table>

         <div id="FenPage">

               <asp:LinkButton ID="LinkBtnToPage" CssClass="gotoPagebtn" runat="server" OnClick="LinkBtnToPage_Click">确定</asp:LinkButton>

               <asp:TextBox ID="txtPageIndex" CssClass="toPageIndex" runat="server"></asp:TextBox>&nbsp;

               <asp:HyperLink ID="lnkLast" runat="server"><span class="fenyebtn2">>>|</span></asp:HyperLink>&nbsp;

                <asp:HyperLink ID="lnkNext" runat="server"><span class="fenyebtn2">></span></asp:HyperLink>&nbsp;

                 <asp:HyperLink ID="lnkTop" runat="server"><span class="fenyebtn2"><</span></asp:HyperLink>&nbsp;

                <asp:HyperLink ID="lnkFist" runat="server"><span class="fenyebtn">|<<</span></asp:HyperLink>&nbsp;

              <span style="float:left;">当前第</span>

               <span style="float:left; color:red;"><asp:Label ID="lbPageIndex" runat="server" Text=""></asp:Label></span>

                <span style="float:left;margin-left:5px;">页/</span>

                <span style="float:left;margin-left:5px;">共</span>

                <span style="float:left;color:red;"><asp:Label ID="lbCountPage" runat="server" Text=""></asp:Label></span>

                <span style="float:left;margin-left:5px;">页</span>

                <span style="float:left;margin-left:10px;"><asp:Label ID="lbPageSize" runat="server" Text=""></asp:Label></span>

                <span style="float:left;margin-left:10px;">共搜索到&nbsp;</span>

                <span style="float:left;margin-left:5px; color:red;"><asp:Label ID="lbCountData" runat="server" Text=""></asp:Label></span>

                <span style="float:left;margin-left:5px;">条记录.</span>

           </div>

           </ContentTemplate>

       </asp:UpdatePanel>

    </form>

</body>

</html>

获取用户列表绑定用户信息的后台代码，已包括，修改备注名，打标签（将用户移动到标签组），新建分组代码

分组统计，用于显示每个分组的已存在人数，无其他作用

上代码：

 PagedDataSource pds = new PagedDataSource();

        protected void Page_Load(object sender, EventArgs e)

        {

           if(!Page.IsPostBack)

           {

               BindGroupList();

               BindGetAllUserOpenIdList();

               this.DataBind();

               this.CheckAll.AutoPostBack = true;

               this.DDlAddgroups.AutoPostBack = true;

           }

            //this.DDlAddgroups.Enabled = false;

        }

        /// <summary>

        /// 获取所有用户的openId列表

        /// </summary>

        private void BindGetAllUserOpenIdList()

        {

            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(), System.Web.Caching.Cache.NoSlidingExpiration);

            }

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

            string jsonres = "";

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

            if (content == null)

            {

                jsonres = "https://api.weixin.qq.com/cgi-bin/user/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("AllUserOpenList_content", content, null, DateTime.Now.AddSeconds(), System.Web.Caching.Cache.NoSlidingExpiration);

            }

            //使用前需要引用Newtonsoft.json.dll文件

            JObject jsonObj = JObject.Parse(content);

            int totalnum = int.Parse(jsonObj["count"].ToString());

            List<WxOpenIdInfo> openidlist = new List<WxOpenIdInfo>();

            for (int i = ; i < totalnum;i++ )

            {

                WxOpenIdInfo wxopeninfo = new WxOpenIdInfo();

                wxopeninfo.WxopenId = jsonObj["data"]["openid"][i].ToString();

                openidlist.Add(wxopeninfo);

            }

            pds.DataSource = openidlist;

            pds.AllowPaging = true;

            pds.PageSize = ;//每页显示为20条

            int CurrentPage;

            if (!String.IsNullOrWhiteSpace(this.txtPageIndex.Text.ToString().Trim()))

            {

                CurrentPage = Convert.ToInt32(this.txtPageIndex.Text.ToString().Trim());

            }

            else if (Request.QueryString["Page"] != null)

            {

                CurrentPage = Convert.ToInt32(Request.QueryString["Page"]);

            }

            else

            {

                CurrentPage = ;

            }

            pds.CurrentPageIndex = CurrentPage - ;//当前页的索引就等于当前页码-1；

            if (!pds.IsFirstPage)

            {

                //Request.CurrentExecutionFilePath 为当前请求的虚拟路径

                this.lnkTop.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(CurrentPage - );

                this.lnkFist.Enabled = this.lnkTop.Enabled = true;

                this.lnkNext.Enabled = this.lnkLast.Enabled = true;

            }

            else

            {

                this.lnkFist.Enabled = this.lnkTop.Enabled = false;

                this.lnkNext.Enabled = this.lnkLast.Enabled = true;

                this.lnkFist.Attributes.Add("style", "color:#ced9df;");

                this.lnkTop.Attributes.Add("style", "color:#ced9df;");

                this.lnkNext.Attributes.Remove("style");

                this.lnkLast.Attributes.Remove("style");

            }

            if (!pds.IsLastPage)

            {

                //Request.CurrentExecutionFilePath 为当前请求的虚拟路径

                this.lnkNext.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(CurrentPage + );

                this.lnkFist.Enabled = this.lnkTop.Enabled = true;

                this.lnkNext.Enabled = this.lnkLast.Enabled = true;

            }

            else

            {

                this.lnkNext.Enabled = this.lnkLast.Enabled = false;

                this.lnkFist.Enabled = this.lnkTop.Enabled = true;

                this.lnkNext.Attributes.Add("style", "color:#ced9df;");

                this.lnkLast.Attributes.Add("style", "color:#ced9df;");

                this.lnkFist.Attributes.Remove("style");

                this.lnkTop.Attributes.Remove("style");

            }

            this.lnkFist.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString();//跳转至首页

            this.lnkLast.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(pds.PageCount);//跳转至末页

            this.RepeaterWxUserList.DataSource = pds;

            this.RepeaterWxUserList.DataBind();

            this.lbCountData.Text = openidlist.Count.ToString();

            this.lbPageIndex.Text = (pds.CurrentPageIndex + ).ToString();

            this.lbPageSize.Text = "每页" + pds.PageSize.ToString() + "条记录";

            this.lbCountPage.Text = pds.PageCount.ToString();

            this.txtPageIndex.Text = (pds.CurrentPageIndex + ).ToString();

            if (int.Parse(openidlist.Count.ToString()) <= int.Parse(pds.PageSize.ToString()))

            {

                this.lnkFist.Visible = this.lnkTop.Visible = this.lnkNext.Visible = this.lnkLast.Visible = this.txtPageIndex.Visible = this.LinkBtnToPage.Visible = false;

            }

            else

            {

                this.lnkFist.Visible = this.lnkTop.Visible = this.lnkNext.Visible = this.lnkLast.Visible = this.txtPageIndex.Visible = this.LinkBtnToPage.Visible = true;

            }

            this.lbsubscribeCount.Text = openidlist.Count.ToString();

        }

        /// <summary>

        /// 绑定分组列表

        /// </summary>

        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(), System.Web.Caching.Cache.NoSlidingExpiration);

            }

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

            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(), System.Web.Caching.Cache.NoSlidingExpiration);

            }

            //使用前需要引用Newtonsoft.json.dll文件

            JObject jsonObj = JObject.Parse(content);

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

            this.DDLgroups.Items.Clear();//清除

            this.DDlAddgroups.Items.Clear();

            this.DDLgroups.Items.Insert(, new ListItem("分组统计", ""));//添加默认第一个提示

            this.DDlAddgroups.Items.Insert(, new ListItem("移动用户到分组", ""));

            for (int i = ; i < groupsnum; i++)

            {

                this.DDLgroups.Items.Add(new ListItem(jsonObj["groups"][i]["name"].ToString() + "(" + jsonObj["groups"][i]["count"].ToString() + ")", jsonObj["groups"][i]["id"].ToString()));

                this.DDlAddgroups.Items.Add(new ListItem(jsonObj["groups"][i]["name"].ToString(), jsonObj["groups"][i]["id"].ToString()));

            }

        }

        /// <summary>

        /// 输入页码提交跳转

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        protected void LinkBtnToPage_Click(object sender, EventArgs e)

        {

            if (String.IsNullOrWhiteSpace(this.txtPageIndex.Text.ToString().Trim()))

            {

                ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "", "alert('页码不能为空！')", true);

                this.txtPageIndex.Focus();

                return;

            }

            if (IsNum(this.txtPageIndex.Text.ToString().Trim()))

            {

                ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "", "alert('页码数只能输入数字！')", true);

                this.txtPageIndex.Focus();

                this.txtPageIndex.Text = this.lbPageIndex.Text.ToString();

                return;

            }

            if (int.Parse(this.txtPageIndex.Text.ToString().Trim()) > int.Parse(this.lbCountPage.Text.ToString().Trim()))

            {

                ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "", "alert('所输页数不能大于总页数！')", true);

                this.txtPageIndex.Focus();

                this.txtPageIndex.Text = this.lbPageIndex.Text.ToString();

                return;

            }

            BindGetAllUserOpenIdList();

        }

        /// <summary>

        /// 判断是否是数字

        /// </summary>

        /// <param name="text"></param>

        /// <returns></returns>

        public static bool IsNum(string text) //

        {

            for (int i = ; i < text.Length; i++)

            {

                if (!Char.IsNumber(text, i))

                {

                    return true; //输入的不是数字

                }

            }

            return false; //否则是数字

        }

        /// <summary>

        /// 绑定用户基本信息事件

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        protected void RepeaterWxUserList_ItemDataBound(object sender, RepeaterItemEventArgs e)

        {

            //CheckBox checkIn = e.Item.FindControl("CheckIn") as CheckBox;

            //checkIn.AutoPostBack = true;

            if(e.Item.ItemType==ListItemType.Item||e.Item.ItemType==ListItemType.AlternatingItem)

            {

                WxOpenIdInfo wxopen = e.Item.DataItem as WxOpenIdInfo;

                Label lbwxopenID = e.Item.FindControl("lbwxopenID") as Label;

                lbwxopenID.Text = wxopen.WxopenId.ToString();

                //根据OpenID获取用户基本信息。缓存处理

                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(), System.Web.Caching.Cache.NoSlidingExpiration);

                }

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

                string jsonres ="https://api.weixin.qq.com/cgi-bin/user/info?access_token=" + Access_tokento + "&openid=" + lbwxopenID.Text.ToString();

                HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(jsonres);

                myRequest.Method = "GET";

                HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();

                StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);

                string content = reader.ReadToEnd();

                reader.Close();

                //使用前需要引用Newtonsoft.json.dll文件

                JObject jsonObj = JObject.Parse(content);

                Image ImgHeadUrl = e.Item.FindControl("ImgHeadUrl") as Image;

                Label lbNickName = e.Item.FindControl("lbNickName") as Label;

                Label lbRemark = e.Item.FindControl("lbRemark") as Label;

                Label lbSubscrine_time = e.Item.FindControl("lbSubscrine_time") as Label;

                Label lbgroupId = e.Item.FindControl("lbgroupId") as Label;

                DropDownList DDlAddgroupss = e.Item.FindControl("DDlAddgroupss") as DropDownList;

                lbNickName.Text = jsonObj["nickname"].ToString();

                if (!String.IsNullOrWhiteSpace(jsonObj["remark"].ToString()))

                {

                    lbRemark.Text = "(" + jsonObj["remark"].ToString() + ")";

                }

                ImgHeadUrl.ImageUrl = jsonObj["headimgurl"].ToString();

                lbgroupId.Text = jsonObj["groupid"].ToString();

                //获取关注时间

                int totaltiem = int.Parse(jsonObj["subscribe_time"].ToString());

                //将整型格式时间转换为时间格式

                DateTime t = new DateTime(, , ).AddSeconds(totaltiem);

                //转换后的时间会比原有时间小8个小时，因此需要加上8个小时

                lbSubscrine_time.Text = t.AddHours().ToString();

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

                if (jjjjjjjjjddd == null)

                {

                    jsonres = "https://api.weixin.qq.com/cgi-bin/groups/get?access_token=" + Access_tokento;

                    HttpWebRequest myRequestss = (HttpWebRequest)WebRequest.Create(jsonres);

                    myRequest.Method = "GET";

                    HttpWebResponse myResponsess = (HttpWebResponse)myRequest.GetResponse();

                    StreamReader readerss = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);

                    jjjjjjjjjddd = reader.ReadToEnd();

                    reader.Close();

                    //设置缓存的数据7000秒后过期

                    Cache.Insert("AllGroups_content", jjjjjjjjjddd, null, DateTime.Now.AddSeconds(), System.Web.Caching.Cache.NoSlidingExpiration);

                }

                //使用前需要引用Newtonsoft.json.dll文件

                JObject jsonObjss = JObject.Parse(jjjjjjjjjddd);

                int groupsnumss = jsonObjss["groups"].Count();

                for (int i = ; i < groupsnumss;i++ )

                {

                    if (jsonObjss["groups"][i]["id"].ToString().Equals(lbgroupId.Text.ToString()))

                    {

                        DDlAddgroupss.SelectedItem.Text = jsonObjss["groups"][i]["name"].ToString();

                    }

                }

            }

        }

        /// <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.ToString().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(), System.Web.Caching.Cache.NoSlidingExpiration);

            }

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

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

            //string postData = "{\"group\":{\"name\":\""+this.txtgroupsName.Value.ToString().Trim()+"\"}}";

            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='WeiXinUserList.aspx';", true);

        }

        /// <summary>

        /// 全选、全不选

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        protected void CheckAll_CheckedChanged(object sender, EventArgs e)

        {

            CheckBox checkAll = (CheckBox)sender;

            foreach (RepeaterItem item in this.RepeaterWxUserList.Items)

            {

                CheckBox checkIn = (CheckBox)item.FindControl("CheckIn");

                checkIn.Checked = checkAll.Checked;

            }

        }

        /// <summary>

        /// 移动用户到分组

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        protected void DDlAddgroups_SelectedIndexChanged(object sender, EventArgs e)

        {

            ///取得分组ID

            string groupId = this.DDlAddgroups.SelectedValue.ToString();

            //this.Label1.Text = groupId.ToString();

            Boolean bools = false;

            foreach (RepeaterItem item in this.RepeaterWxUserList.Items)

            {

                CheckBox checkIn = (CheckBox)item.FindControl("CheckIn");

                if (checkIn.Checked)

                {

                    bools = true;

                    Label lbwxopenID = item.FindControl("lbwxopenID") as Label;

                    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(), System.Web.Caching.Cache.NoSlidingExpiration);

                    }

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

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

                    //POST数据例子：{"openid":"oDF3iYx0ro3_7jD4HFRDfrjdCM58","to_groupid":108}

                    //string postData = "{\"openid\":\"" + openid.ToString().Trim() + "\",\"remark\":\"" + this.txtRemarkName.Value.ToString() + "\"}";

                    string postData = "{\"openid\":\"" + lbwxopenID.Text.ToString() + "\",\"to_groupid\":\"" + groupId.ToString() + "\"}";

                    res = wxs.GetPage(posturl, postData);

                    //使用前需要引用Newtonsoft.json.dll文件

                    JObject jsonObj = JObject.Parse(res);

                    ///获取返回结果的正确|true|false,

                    string isright = jsonObj["errcode"].ToString();//

                    string istrueorfalse = jsonObj["errmsg"].ToString();//ok

                    if (isright.Equals("") && istrueorfalse.Equals("ok"))

                    {

                        ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "", "alert('移动用户成功！');location='WeiXinUserList.aspx';", true);

                    }

                    else

                    {

                        ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "", "alert('移动用户失败！');", true);

                        return;

                    }

                }

            }

            if (!bools)

            {

                ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "", "alert('未选中项！');location='WeiXinUserList.aspx';", true);

                return;

            }

        }

WeiXinServer wxs = new WeiXinServer();是单独创建的一个类，主要用来获取通行证和加载流的方法，代码如下：

 /// <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=此处应该填写公众的appid&secret=此处应该填写公众号的secret";

            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, , 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;

            }

        }

    }

修改备注页面的代码：

 protected void Page_Load(object sender, EventArgs e)

        {

            if(Request.QueryString["id"]!=null)

            {

                String openid = Request.QueryString["id"].ToString();

                this.txtOpenId.Value = openid.ToString();

                //根据OpenID获取用户基本信息。缓存处理

                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(), System.Web.Caching.Cache.NoSlidingExpiration);

                }

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

                string jsonres = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=" + Access_tokento + "&openid=" + openid;

                HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(jsonres);

                myRequest.Method = "GET";

                HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();

                StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);

                string content = reader.ReadToEnd();

                reader.Close();

                //使用前需要引用Newtonsoft.json.dll文件

                JObject jsonObj = JObject.Parse(content);

     　　　　　　 //假如备注名不为空，给备注名文本框赋值，显示原有的备注名

                if (!String.IsNullOrWhiteSpace(jsonObj["remark"].ToString()))

                {

                    this.txtRemarkName.Value = jsonObj["remark"].ToString();

                }

            }

        }

        /// <summary>

        /// 设置备注名

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        protected void LinkBtnSet_Click(object sender, EventArgs e)

        {

            String openid = Request.QueryString["id"].ToString();

            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(), System.Web.Caching.Cache.NoSlidingExpiration);

            }

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

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

            string postData = "{\"openid\":\"" + openid.ToString().Trim() + "\",\"remark\":\"" + this.txtRemarkName.Value.ToString() + "\"}";

            res = wxs.GetPage(posturl, postData);

            //使用前需药引用Newtonsoft.json.dll文件

            JObject jsonObj = JObject.Parse(res);

            ///获取返回结果的正确|true|false,

            string isright = jsonObj["errcode"].ToString();//

            string istrueorfalse = jsonObj["errmsg"].ToString();//ok

            if (isright.Equals("") && istrueorfalse.Equals("ok"))

            {

                ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "", "alert('修改备注成功！');location='WeiXinUserList.aspx';", true);

            }

            else

            {

                ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "", "alert('修改备注失败！');", true);

            }

        }

至于Newtonsoft.json.dll文件，可在百度中搜索下载，如有需要，也可留下你的邮箱，我发邮件给你，至此用户管理模块告一段落！如有不对之处，欢迎指导！

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hdu4464:http://acm.hdu.edu.cn/showproblem.php?pid=4464 题意:就是统计n个字符串中每个字符串每个字符对印的Asci,然后输出最大的长度. 题解:水 ...
图论(二分图,KM算法)：HDU 3488 Tour
Tour Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65535/65535 K (Java/Others)Total Submis ...
【最短路】【STL】CSU 1808 地铁 (2016湖南省第十二届大学生计算机程序设计竞赛)
题目链接: http://acm.csu.edu.cn/OnlineJudge/problem.php?id=1808 题目大意: N个点M条无向边(N,M<=105),每条边属于某一条地铁Ci ...
Contains Duplicate III —— LeetCode
Given an array of integers, find out whether there are two distinct indices i and j in the array suc ...
Combination Sum —— LeetCode
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C wher ...
SRM 400(1-250pt, 1-500pt)
DIV1 250pt 题意:给定一个正整数n(n <= 10^18),如果n = p^q,其中p为质数,q > 1,则返回vector<int> ans = {p, q},否则 ...

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