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首頁(yè) 微信小程式 微信開(kāi)發(fā) .NET微信公眾號(hào)取得OpenID和使用者資訊實(shí)例解析

.NET微信公眾號(hào)取得OpenID和使用者資訊實(shí)例解析

Mar 31, 2017 pm 03:33 PM
微信大眾平臺(tái)

這篇文章主要為大家詳細(xì)介紹了.NET微信公眾號(hào)獲取OpenID和用戶資訊的方法，用戶OpenID對(duì)於微信公眾平臺(tái)開(kāi)發(fā)尤為重要，感興趣的小伙伴們可以參考一下

本文實(shí)例為大家分享了微信公眾平臺(tái)實(shí)作取得使用者OpenID的方法，供大家參考，具體內(nèi)容如下

#Index.aspx.cs程式碼:


 public partial class Index : System.Web.UI.Page
 {

  //用戶id
  public string openid = "";

  //公眾號(hào)信息部分
  public string appid = ConfigurationManager.AppSettings["AppId"];
  public string appsecret = ConfigurationManager.AppSettings["AppSecret"];
  public string redirect_uri =HttpUtility.UrlEncode("http://www.jb51.net");
  public string scope = "【刪除這個(gè)并填入請(qǐng)求類型，例如：snsapi_userinfo】";

  #region 顯示頁(yè)面
  public string accesstoken;
  public string nickname;
  public string sex;
  public string headimgurl;
  public string province;
  public string country;
  public string language;
  public string city;

  public string privilege = "";
  #endregion

  protected void Page_Load(object sender, EventArgs e)
  {

   /*
   *微信認(rèn)證獲取openid部分：
   *臨時(shí)認(rèn)證code
   */
   //微信認(rèn)證部分：第二步 獲得code
   string code = Request["code"];
   if (string.IsNullOrEmpty(code))
   {
    //如果code沒(méi)獲取成功，重新拉取一遍
    OpenAccess();
   }
   //微信認(rèn)證部分：第三步 獲得openid
   string url = string.Format("https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type=authorization_code", appid, appsecret, code);
   string result = HttpClientHelper.GetResponse(url);
   LogHelper.WriteFile(result);
   JObject outputObj = JObject.Parse(result);

   //微信認(rèn)證部分：第四步 獲得更多信息
   accesstoken = outputObj["access_token"].ToString();
   openid = outputObj["openid"].ToString();
   url = string.Format("https://api.weixin.qq.com/sns/userinfo?access_token={0}&openid={1}&lang=zh_CN",accesstoken,openid);
   string result1 = HttpClientHelper.GetResponse(url);
   LogHelper.WriteFile(result1);
   JObject outputObj1 = JObject.Parse(result1);//將json轉(zhuǎn)為數(shù)組
   //以下是第四步獲得的信息：  
    nickname = outputObj1["nickname"].ToString(); //昵稱
    sex = outputObj1["sex"].ToString(); //性別什么的
    headimgurl = outputObj1["headimgurl"].ToString(); //頭像url
    province = outputObj1["province"].ToString(); ;
    country = outputObj1["country"].ToString(); ;
    language = outputObj1["language"].ToString(); ;
    city = outputObj1["city"].ToString(); ;
   //將獲得的用戶信息填入到session中
   Session["openid"] = outputObj1["openid"];
   //轉(zhuǎn)向回入口
   //OpenAccess();
  }

  /*
   * 接入入口
   * 開(kāi)放到微信菜單中調(diào)用
   * @param $dir_url 來(lái)源url
   * @since 1.0
   * @return void
   */
  public void OpenAccess()
  {
   //判斷session不存在
   if (Session["openid"] == null)
   {
    //認(rèn)證第一步：重定向跳轉(zhuǎn)至認(rèn)證網(wǎng)址
    string url = string.Format("https://open.weixin.qq.com/connect/oauth2/authorize?appid={0}&redirect_uri={1}&&response_type=code&scope=snsapi_userinfo&m=oauth2#wechat_redirect", appid, redirect_uri);
    Response.Redirect(url);
   }
   //判斷session存在
   else
   {
    //跳轉(zhuǎn)到前端頁(yè)面.aspx
    Response.Redirect(Request.Url.ToString());
   }
  }

 }

Index.aspx內(nèi)容:


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

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
 <title></title>
 <meta name="viewport" content="width=device-width, initial-scale=1" />
 <style type="text/css">
  td
  {
   word-wrap: break-word;
  }
 </style>
 <script type="text/javascript">

 </script>
</head>
<body>
 <form id="form1" runat="server">
 <p id="wu" runat="server">
  <table style="width: 100%;">
   <tr>
    <td style="width: 150px;">
     <p>
      openid:<%=openid%></p>
    </td>
    <td>
     <p>
      nickname:<%=nickname%></p>
    </td>
    <td>
     <p>
      sex:<%=sex%></p>
    </td>
   </tr>
   <tr>
    <td>
     <p>
      language:<%=language%></p>
    </td>
    <td>
     <p>
      city:<%=city%></p>
    </td>
    <td>
     <p>
      country:<%=country%></p>
    </td>
   </tr>
   <tr>
    <td>
     <p>
      headimgurl:<img  src="/static/imghw/default1.png"  data-src="<%=headimgurl % alt=".NET微信公眾號(hào)取得OpenID和使用者資訊實(shí)例解析" >"  class="lazy"  width="50px;"  alt=""></p>
    </td>
    <td>
     <p>
      privilege:<%=privilege%></p>
    </td>
    <td>
    </td>
   </tr>
  </table>
 </p>
 </form>
</body>
</html>

HttpClientHelper.cs程式碼:


public class HttpClientHelper
 {
  /// <summary>
  ///  get請(qǐng)求
  /// </summary>
  /// <param name="url"></param>
  /// <returns></returns>
  public static string GetResponse(string url)
  {
   if (url.StartsWith("https"))
   {
    ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
   }

   var httpClient = new HttpClient();
   httpClient.DefaultRequestHeaders.Accept.Add( new MediaTypeWithQualityHeaderValue("application/json"));

   HttpResponseMessage response = httpClient.GetAsync(url).Result;

   if (response.IsSuccessStatusCode)
   {
    string result = response.Content.ReadAsStringAsync().Result;
    return result;
   }
   return null;
  }

  public static T GetResponse<T>(string url)
   where T : class, new()
  {
   if (url.StartsWith("https"))
    ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;

   var httpClient = new HttpClient();
   httpClient.DefaultRequestHeaders.Accept.Add(
    new MediaTypeWithQualityHeaderValue("application/json"));
   HttpResponseMessage response = httpClient.GetAsync(url).Result;

   T result = default(T);

   if (response.IsSuccessStatusCode)
   {
    Task<string> t = response.Content.ReadAsStringAsync();
    string s = t.Result;

    result = JsonConvert.DeserializeObject<T>(s);
   }
   return result;
  }

  /// <summary>
  ///  post請(qǐng)求
  /// </summary>
  /// <param name="url"></param>
  /// <param name="postData">post數(shù)據(jù)</param>
  /// <returns></returns>
  public static string PostResponse(string url, string postData)
  {
   if (url.StartsWith("https"))
    ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;

   HttpContent httpContent = new StringContent(postData);
   httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
   var httpClient = new HttpClient();

   HttpResponseMessage response = httpClient.PostAsync(url, httpContent).Result;

   if (response.IsSuccessStatusCode)
   {
    string result = response.Content.ReadAsStringAsync().Result;
    return result;
   }
   return null;
  }

  /// <summary>
  ///  發(fā)起post請(qǐng)求
  /// </summary>
  /// <typeparam name="T"></typeparam>
  /// <param name="url">url</param>
  /// <param name="postData">post數(shù)據(jù)</param>
  /// <returns></returns>
  public static T PostResponse<T>(string url, string postData)
   where T : class, new()
  {
   if (url.StartsWith("https"))
    ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;

   HttpContent httpContent = new StringContent(postData);
   httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
   var httpClient = new HttpClient();

   T result = default(T);

   HttpResponseMessage response = httpClient.PostAsync(url, httpContent).Result;

   if (response.IsSuccessStatusCode)
   {
    Task<string> t = response.Content.ReadAsStringAsync();
    string s = t.Result;

    result = JsonConvert.DeserializeObject<T>(s);
   }
   return result;
  }

  /// <summary>
  ///  V3接口全部為Xml形式，故有此方法
  /// </summary>
  /// <typeparam name="T"></typeparam>
  /// <param name="url"></param>
  /// <param name="xmlString"></param>
  /// <returns></returns>
  public static T PostXmlResponse<T>(string url, string xmlString)
   where T : class, new()
  {
   if (url.StartsWith("https"))
    ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;

   HttpContent httpContent = new StringContent(xmlString);
   httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
   var httpClient = new HttpClient();

   T result = default(T);

   HttpResponseMessage response = httpClient.PostAsync(url, httpContent).Result;

   if (response.IsSuccessStatusCode)
   {
    Task<string> t = response.Content.ReadAsStringAsync();
    string s = t.Result;

    result = XmlDeserialize<T>(s);
   }
   return result;
  }

  /// <summary>
  ///  反序列化Xml
  /// </summary>
  /// <typeparam name="T"></typeparam>
  /// <param name="xmlString"></param>
  /// <returns></returns>
  public static T XmlDeserialize<T>(string xmlString)
   where T : class, new()
  {
   try
   {
    var ser = new XmlSerializer(typeof (T));
    using (var reader = new StringReader(xmlString))
    {
     return (T) ser.Deserialize(reader);
    }
   }
   catch (Exception ex)
   {
    throw new Exception("XmlDeserialize發(fā)生異常：xmlString:" + xmlString + "異常信息：" + ex.Message);
   }
  }
 }

#「結(jié)果如圖：

.NET微信公眾號(hào)取得OpenID和使用者資訊實(shí)例解析

以上是.NET微信公眾號(hào)取得OpenID和使用者資訊實(shí)例解析的詳細(xì)內(nèi)容。更多資訊請(qǐng)關(guān)注PHP中文網(wǎng)其他相關(guān)文章！

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