【.Net微信_服务号】2.微信获取用户基本信息

ゝ一世哀愁。 2022-05-27 01:46 243阅读 0赞

关于如何获取微信已关注用户的基本信息，这里说一下步骤：

1、首先去[微信公众平台][Link 1]注册，成为开发者，需要外网，如果没有外网建议在花生壳申请一个账号，通过映射，可以映射到外网，配置基本信息，如AppSecret，配置好以后，如下界面：

![20180409163300225][]

2、去公众号里面设置安全域名，如下图：

![20180409163352736][]

3、微信网页授权[官方文档][Link 2]

![20180409163527165][]

4、根据文档的步骤，开始编码

公众号基本信息配置文件Config.cs

using System;
    using System.Collections.Generic;
    using System.Web;
    
    namespace WxPayAPI
    {
        /**
        * 	配置账号信息
        */
        public class WxPayConfig
        {
            //=======【基本信息设置】=====================================
            /* 微信公众号信息配置
            * APPID：绑定支付的APPID（必须配置）
            * MCHID：商户号（必须配置）
            * KEY：商户支付密钥，参考开户邮件设置（必须配置）
            * APPSECRET：公众帐号secert（仅JSAPI支付的时候需要配置）
            */
            public const string APPID = "wxed7a1fbd75937abf";
            public const string MCHID = "1393954302";
            public const string KEY = "uDWrfN3Amn3ecoRWTczBDQIzUukJ2L5n";
            public const string APPSECRET = "6420c4fc129a89f0c5e8350e0be7273d";
    
            //=======【证书路径设置】===================================== 
            /* 证书路径,注意应该填写绝对路径（仅退款、撤销订单时需要）
            */
            public const string SSLCERT_PATH = "cert/apiclient_cert.p12";
            public const string SSLCERT_PASSWORD = "1393954302";
    
    
    
            //=======【支付结果通知url】===================================== 
            /* 支付结果通知回调url，用于商户接收支付结果
            */
            public const string NOTIFY_URL = "http://haohuish.com/LJWY/WX00/growing_center.aspx";
    
            //=======【商户系统后台机器IP】===================================== 
            /* 此参数可手动配置也可在程序中自动获取
            */
            public const string IP = "116.62.139.72";
    
    
            //=======【代理服务器设置】===================================
            /* 默认IP和端口号分别为0.0.0.0和0，此时不开启代理（如有需要才设置）
            */
            public const string PROXY_URL = "http://10.152.18.220:8080";
    
            //=======【上报信息配置】===================================
            /* 测速上报等级，0.关闭上报; 1.仅错误时上报; 2.全量上报
            */
            public const int REPORT_LEVENL = 1;
    
            //=======【日志级别】===================================
            /* 日志等级，0.不输出日志；1.只输出错误信息; 2.输出错误和正常信息; 3.输出错误信息、正常信息和调试信息
            */
            public const int LOG_LEVENL = 0;
        }
    }

JsApiPay.cs

using System;
 using System.Collections.Generic;
 using System.Web;
 using System.Web.UI;
 using System.Web.UI.WebControls;
 using System.Runtime.Serialization;
 using System.IO;
 using System.Text;
 using System.Net;
 using System.Web.Security;
 using LitJson;
 
 namespace WxPayAPI
 {
 public class JsApiPay
 {
 /// <summary>
 /// 保存页面对象，因为要在类的方法中使用Page的Request对象
 /// </summary>
 private Page page {get;set;}
 
 /// <summary>
 /// openid用于调用统一下单接口
 /// </summary>
 public string openid { get; set; }
 
 /// <summary>
 /// access_token用于获取收货地址js函数入口参数
 /// </summary>
 public string access_token { get; set; }
 
 /// <summary>
 /// 商品金额，用于统一下单
 /// </summary>
 public int total_fee { get; set; }
 
 /// <summary>
 /// 统一下单接口返回结果
 /// </summary>
 public WxPayData unifiedOrderResult { get; set; } 
 
 public JsApiPay(Page page)
 {
 this.page = page;
 }
 
 
 /**
 * 
 * 网页授权获取用户基本信息的全部过程
 * 详情请参看网页授权获取用户基本信息：http://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html
 * 第一步：利用url跳转获取code
 * 第二步：利用code去获取openid和access_token
 * 
 */
 public void GetOpenidAndAccessToken()
 {
 if (!string.IsNullOrEmpty(page.Request.QueryString["code"]))
 {
 //获取code码，以获取openid和access_token
 string code = page.Request.QueryString["code"];
 Log.Debug(this.GetType().ToString(), "Get code : " + code);
 GetOpenidAndAccessTokenFromCode(code);
 }
 else
 {
 //构造网页授权获取code的URL
 string host = page.Request.Url.Host;
 string path = page.Request.Path;
 string redirect_uri = HttpUtility.UrlEncode("http://" + host + path);
 WxPayData data = new WxPayData();
 data.SetValue("appid", WxPayConfig.APPID);
 data.SetValue("redirect_uri", redirect_uri);
 data.SetValue("response_type", "code");
 data.SetValue("scope", "snsapi_base");
 data.SetValue("state", "STATE" + "#wechat_redirect");
 string url = "https://open.weixin.qq.com/connect/oauth2/authorize?" + data.ToUrl();
 Log.Debug(this.GetType().ToString(), "Will Redirect to URL : " + url);
 try
 {
 //触发微信返回code码 
 page.Response.Redirect(url);//Redirect函数会抛出ThreadAbortException异常，不用处理这个异常
 }
 catch(System.Threading.ThreadAbortException ex)
 {
 }
 }
 }
 
 
 /**
 	 * 
 	 * 通过code换取网页授权access_token和openid的返回数据，正确时返回的JSON数据包如下：
 	 * {
 	 * "access_token":"ACCESS_TOKEN",
 	 * "expires_in":7200,
 	 * "refresh_token":"REFRESH_TOKEN",
 	 * "openid":"OPENID",
 	 * "scope":"SCOPE",
 	 * "unionid": "o6_bmasdasdsad6_2sgVt7hMZOPfL"
 	 * }
 	 * 其中access_token可用于获取共享收货地址
 	 * openid是微信支付jsapi支付接口统一下单时必须的参数
 * 更详细的说明请参考网页授权获取用户基本信息：http://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html
 * @失败时抛异常WxPayException
 	 */
 public void GetOpenidAndAccessTokenFromCode(string code)
 {
 try
 {
 //构造获取openid及access_token的url
 WxPayData data = new WxPayData();
 data.SetValue("appid", WxPayConfig.APPID);
 data.SetValue("secret", WxPayConfig.APPSECRET);
 data.SetValue("code", code);
 data.SetValue("grant_type", "authorization_code");
 string url = "https://api.weixin.qq.com/sns/oauth2/access_token?" + data.ToUrl();
 
 //请求url以获取数据
 string result = HttpService.Get(url);
 
 Log.Debug(this.GetType().ToString(), "GetOpenidAndAccessTokenFromCode response : " + result);
 
 //保存access_token，用于收货地址获取
 JsonData jd = JsonMapper.ToObject(result);
 access_token = (string)jd["access_token"];
 
 //获取用户openid
 openid = (string)jd["openid"];
 
 Log.Debug(this.GetType().ToString(), "Get openid : " + openid);
 Log.Debug(this.GetType().ToString(), "Get access_token : " + access_token);
 }
 catch (Exception ex)
 {
 Log.Error(this.GetType().ToString(), ex.ToString());
 throw new WxPayException(ex.ToString());
 }
 }
 
 /**
 * 调用统一下单，获得下单结果
 * @return 统一下单结果
 * @失败时抛异常WxPayException
 */
 public WxPayData GetUnifiedOrderResult()
 {
 //统一下单
 WxPayData data = new WxPayData();
 data.SetValue("body", "Testing");
 data.SetValue("attach", "Testing");
 data.SetValue("out_trade_no", WxPayApi.GenerateOutTradeNo());
 data.SetValue("total_fee", total_fee);
 data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));
 data.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss"));
 data.SetValue("goods_tag", "Testing");
 data.SetValue("trade_type", "JSAPI");
 data.SetValue("openid", openid);
 data.SetValue("product_id", "HD16000000201");
 data.SetValue("sign_type", "MD5");
 
 WxPayData result = WxPayApi.UnifiedOrder(data);
 if (!result.IsSet("appid") || !result.IsSet("prepay_id") || result.GetValue("prepay_id").ToString() == "")
 {
 Log.Error(this.GetType().ToString(), "UnifiedOrder response error!");
 throw new WxPayException("UnifiedOrder response error!");
 }
 
 unifiedOrderResult = result;
 return result;
 }
 
 /**
 * 
 * 从统一下单成功返回的数据中获取微信浏览器调起jsapi支付所需的参数，
 * 微信浏览器调起JSAPI时的输入参数格式如下：
 * {
 * "appId" : "wx2421b1c4370ec43b", //公众号名称，由商户传入 
 * "timeStamp":" 1395712654", //时间戳，自1970年以来的秒数 
 * "nonceStr" : "e61463f8efa94090b1f366cccfbbb444", //随机串 
 * "package" : "prepay_id=u802345jgfjsdfgsdg888", 
 * "signType" : "MD5", //微信签名方式: 
 * "paySign" : "70EA570631E4BB79628FBCA90534C63FF7FADD89" //微信签名 
 * }
 * @return string 微信浏览器调起JSAPI时的输入参数，json格式可以直接做参数用
 * 更详细的说明请参考网页端调起支付API：http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_7
 * 
 */
 public string GetJsApiParameters()
 {
 Log.Debug(this.GetType().ToString(), "JsApiPay::GetJsApiParam is processing...");
 
 WxPayData jsApiParam = new WxPayData();
 jsApiParam.SetValue("appId", unifiedOrderResult.GetValue("appid"));
 jsApiParam.SetValue("timeStamp", WxPayApi.GenerateTimeStamp());
 jsApiParam.SetValue("nonceStr", WxPayApi.GenerateNonceStr());
 jsApiParam.SetValue("package", "prepay_id=" + unifiedOrderResult.GetValue("prepay_id"));
 jsApiParam.SetValue("signType", "MD5");
 jsApiParam.SetValue("paySign", jsApiParam.MakeSign());
 
 string parameters = jsApiParam.ToJson();
 
 Log.Debug(this.GetType().ToString(), "Get jsApiParam : " + parameters);
 return parameters;
 }
 
 
 /**
 	 * 
 	 * 获取收货地址js函数入口参数,详情请参考收货地址共享接口：http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_9
 	 * @return string 共享收货地址js函数需要的参数，json格式可以直接做参数使用
 	 */
 public string GetEditAddressParameters()
 	 {
 string parameter = "";
 try
 {
 string host = page.Request.Url.Host;
 string path = page.Request.Path;
 string queryString = page.Request.Url.Query;
 //这个地方要注意，参与签名的是网页授权获取用户信息时微信后台回传的完整url
 string url = "http://" + host + path + queryString;
 
 //构造需要用SHA1算法加密的数据
 WxPayData signData = new WxPayData();
 signData.SetValue("appid",WxPayConfig.APPID);
 signData.SetValue("url", url);
 signData.SetValue("timestamp",WxPayApi.GenerateTimeStamp());
 signData.SetValue("noncestr",WxPayApi.GenerateNonceStr());
 signData.SetValue("accesstoken",access_token);
 string param = signData.ToUrl();
 
 Log.Debug(this.GetType().ToString(), "SHA1 encrypt param : " + param);
 //SHA1加密
 string addrSign = FormsAuthentication.HashPasswordForStoringInConfigFile(param, "SHA1");
 Log.Debug(this.GetType().ToString(), "SHA1 encrypt result : " + addrSign);
 
 //获取收货地址js函数入口参数
 WxPayData afterData = new WxPayData();
 afterData.SetValue("appId",WxPayConfig.APPID);
 afterData.SetValue("scope","jsapi_address");
 afterData.SetValue("signType","sha1");
 afterData.SetValue("addrSign",addrSign);
 afterData.SetValue("timeStamp",signData.GetValue("timestamp"));
 afterData.SetValue("nonceStr",signData.GetValue("noncestr"));
 
 //转为json格式
 parameter = afterData.ToJson();
 Log.Debug(this.GetType().ToString(), "Get EditAddressParam : " + parameter);
 }
 catch (Exception ex)
 {
 Log.Error(this.GetType().ToString(), ex.ToString());
 throw new WxPayException(ex.ToString());
 }
 
 return parameter;
 	 }
 }
 }

Test.aspx.cs

using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Web;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using WxPayAPI;
    
    public partial class LJWY_WX00_Test : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack) {
                string appid = WxPayConfig.APPID;
                string redirect_uri = "http://haohuish.com/LJWY/WX00/Testinfo.aspx";
                Response.Redirect("https://open.weixin.qq.com/connect/oauth2/authorize?appid="+ appid + "&redirect_uri="+ redirect_uri + "&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect");
            }
            
        }
    }

Testinfo.aspx.cs

using Newtonsoft.Json;
 using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Net;
 using System.Web;
 using System.Web.UI;
 using System.Web.UI.WebControls;
 using WxPayAPI;
 
 public partial class LJWY_WX00_Test : System.Web.UI.Page
 {
 public class UserInfo {
 public string openid { get; set; }//用户的唯一标识
 public string nickname { get; set; }//用户昵称
 public string sex { get; set; }//用户的性别，值为1时是男性，值为2时是女性，值为0时是未知
 public string province { get; set; }//用户个人资料填写的省份
 public string city { get; set; }//普通用户个人资料填写的城市
 public string country { get; set; }//国家，如中国为CN
 public string headimgurl { get; set; }//用户头像，最后一个数值代表正方形头像大小（有0、46、64、96、132数值可选，0代表640*640正方形头像），用户没有头像时该项为空。若用户更换头像，原有头像URL将失效。
 public string unionid { get; set; }//只有在用户将公众号绑定到微信开放平台帐号后，才会出现该字段。
 }
 public static string wxEditAddrParam { get; set; }
 protected void Page_Load(object sender, EventArgs e)
 {
 if (!IsPostBack) {
 JsApiPay jsApiPay = new JsApiPay(this);
 try
 {
 //调用【网页授权获取用户信息】接口获取用户的openid和access_token
 jsApiPay.GetOpenidAndAccessToken();
 
 //获取收货地址js函数入口参数
 wxEditAddrParam = jsApiPay.GetEditAddressParameters();
 //ViewState["openid"] = jsApiPay.openid;
 string openid = jsApiPay.openid;
 string access_token = jsApiPay.access_token;
 
 string info=getUserInfo(access_token,openid);
 var DynamicObject = JsonConvert.DeserializeObject<dynamic>(info);
 //Response.Write("" + info + "");
 Response.Write("" + DynamicObject.openid + "");
 Response.Write("" + DynamicObject.nickname + "");
 Response.Write("" + DynamicObject.sex + "");
 Response.Write("" + DynamicObject.province + "");
 Response.Write("" + DynamicObject.city + "");
 Response.Write("" + DynamicObject.country + "");
 Response.Write("" + DynamicObject.headimgurl + "");
 Response.Write("" + DynamicObject.unionid + "");
 }
 catch (Exception ex)
 {
 Response.Write("" + "页面加载出错，请重试" + "");
 }
 }
 
 }
 
 #region 拉取用户信息
 private string getUserInfo(string Token, string OPID)
 {
 string web_url = "https://api.weixin.qq.com/sns/userinfo?access_token=" + Token + "&openid=" + OPID + "&lang=zh_CN";
 WebRequest request = WebRequest.Create(web_url);
 //request.ContentType = "application/x-www-form-urlencoded";
 
 request.Method = "GET";
 
 WebResponse respone = request.GetResponse();
 
 Stream sr = respone.GetResponseStream();
 
 StreamReader sd = new StreamReader(sr);
 
 string mess = sd.ReadToEnd();
 
 //Response.Write(mess);
 //处理JSOn对象 转成自己需要的对象
 //JavaScriptSerializer js = new JavaScriptSerializer();
 
 //Json.JsonCode jg = js.Deserialize<Json.JsonCode>(mess);
 
 sd.Close();
 
 return mess;
 }
 #endregion
 }

![20180409164759964][]

[Link 1]: https://mp.weixin.qq.com/cgi-bin/home?t=home/index&token=1625478489&lang=zh_CN
[20180409163300225]: /images/20220527/8e3c4a5ec8d0499496ff04659674765a.png
[20180409163352736]: /images/20220527/fc2ffd2f2e7946cfbb6700c6f791e780.png
[Link 2]: https://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1421140842
[20180409163527165]: /images/20220527/b6dd78d085dd42b7ac1a97b0e5c82832.png
[20180409164759964]: /images/20220527/e170f2dcc9414975838807dd341196a1.png