【.Net微信

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：

2、去公众号里面设置安全域名，如下图：

3、微信网页授权官方文档

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("<span style='color:#FF0000;font-size:20px'>" + info + "</span>"); Response.Write("<span style='color:#FF0000;font-size:20px'>" + DynamicObject.openid + "</span></br>"); Response.Write("<span style='color:#FF0000;font-size:20px'>" + DynamicObject.nickname + "</span></br>"); Response.Write("<span style='color:#FF0000;font-size:20px'>" + DynamicObject.sex + "</span></br>"); Response.Write("<span style='color:#FF0000;font-size:20px'>" + DynamicObject.province + "</span></br>"); Response.Write("<span style='color:#FF0000;font-size:20px'>" + DynamicObject.city + "</span></br>"); Response.Write("<span style='color:#FF0000;font-size:20px'>" + DynamicObject.country + "</span></br>"); Response.Write("<span style='color:#FF0000;font-size:20px'>" + DynamicObject.headimgurl + "</span></br>"); Response.Write("<span style='color:#FF0000;font-size:20px'>" + DynamicObject.unionid + "</span>"); } catch (Exception ex) { Response.Write("<span style='color:#FF0000;font-size:20px'>" + "页面加载出错，请重试" + "</span>"); } } } #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 }