How Wechat developers obtain users' basic information through authorization
Editor to share with you how Wechat development through authorization to obtain the basic information of users, I believe that most people do not know much about it, so share this article for your reference, I hope you will learn a lot after reading this article. Let's take a look at it!
Fill in the domain name of the authorization callback page
Fill in wx.alinq.org here. After obtaining the user's authorization, it jumps to a page specified by the developer whose link must be under the domain name. If it is not filled in, a page with an invalid link will appear.
Second, guide the user to the specified authorization page
For example: https://open.weixin.qq.com/connect/oauth3/authorize?appid=APPID&redirect_uri=REDIRECT_URI&response_type=code&scope=SCOPE&state=STATE#wechat_redirect
For the explanation of the parameters, please refer to the relevant documents of Wechat. It is worth noting that redirect_uri is a url, it must be url-encoded, after generating the url, you can go to http://cli.im/text/2014052714?4QbdC to generate a QR code for url, and then scan it in Wechat to test.
After scanning:
Finally, the fully implemented code is presented.
The following is the complete code, I hope it will be useful to you. ^ _ ^
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/oauth3/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/oauth3/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]) + ");} these are all the contents of the article" how Wechat developers get basic information about users through authorization ". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!
