![\".NET微信公眾號(hào)獲取OpenID和用戶信息實(shí)例解析\"](\"https:\/\/img.php.cn\/upload\/article\/000\/000\/013\/79afa9a4b3ebdff4c759d62043b295aa-0.jpg\" "\\".NET微信公眾號(hào)獲取OpenID和用戶信息實(shí)例解析\\"")
<\/p>"}
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和用戶信息的方法，用戶OpenID對(duì)于微信公眾平臺(tái)開發(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)現(xiàn)獲取用戶OpenID的方法，供大家參考，具體內(nèi)容如下
Index.aspx.cs代碼:
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 width="50px;" src="<%=headimgurl %>" alt=""></p>
</td>
<td>
<p>
privilege:<%=privilege%></p>
</td>
<td>
</td>
</tr>
</table>
</p>
</form>
</body>
</html>HttpClientHelper.cs代碼:
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：
以上是.NET微信公眾號(hào)獲取OpenID和用戶信息實(shí)例解析的詳細(xì)內(nèi)容。更多信息請(qǐng)關(guān)注PHP中文網(wǎng)其他相關(guān)文章！
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