在这里填的是 wx.alinq.org。在获得用户的授权后，会跳转到一个由开发人员指定的页面，该页面的链接必须在该域名下。如果没有填写的话，会出现一个页面链接无效的页面。
三、最后奉上完整实现的代码
下面是完整的代码，希望对大家有用。^_^
<%@ 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]) + "
"); } } }} 更多微信开发——通过授权获取用户的基本信息相关文章请关注PHP中文网！
