WeChat development-obtain basic user information through authorization

Enter wx.alinq.org. After obtaining the user's authorization, the page will jump to a page specified by the developer. the link to this page must be under this domain name. If not entered, a page with invalid link will appear. 1. enter the domain name on the authorization callback page

Enter wx.alinq.org. After obtaining the user's authorization, the page will jump to a page specified by the developer. the link to this page must be under this domain name. If not entered, a page with invalid link will appear.

III. complete implementation code

The following is the complete code, which is useful to you. Pai_^

<%@ WebHandler Language="C#" %>public class UserAuth : IHttpHandler{    public void ProcessRequest(HttpContext context)    {         var appid = "wxf1c24c60e3ac13b7";        var secret = "5902b9817acb7a290d4b7c2e6e97d4d3";        var code = context.Request.QueryString["Code"];        if (string.IsNullOrEmpty(code))        {            var url = string.Format("https://open.weixin.qq.com/connect/oauth2/authorize?appid={0}&redirect_uri=http%3a%2f%2fwx.alinq.org%2fTest%2fUserAuth.ashx&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect", appid);            context.Response.Redirect(url);        }        else        {            var client = new System.Net.WebClient();            client.Encoding = System.Text.Encoding.UTF8;            var url = string.Format("https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type=authorization_code", appid, secret, code);            var data = client.DownloadString(url);            var serializer = new JavaScriptSerializer();            var obj = serializer.Deserialize
 
  >(data);            string accessToken;            if (!obj.TryGetValue("access_token", out accessToken))                return;            var opentid = obj["openid"];            url = string.Format("https://api.weixin.qq.com/sns/userinfo?access_token={0}&openid={1}&lang=zh_CN", accessToken, opentid);            data = client.DownloadString(url);            var userInfo = serializer.Deserialize
  
   >(data);            foreach (var key in userInfo.Keys)            {                context.Response.Write(string.Format("{0}: {1}", key, userInfo[key]) + "
   
");            }        }    }}
  
 

More development-get the user's basic information through authorization. For more information, see PHP!