public class wxmethod { public static string appid = "***"; public static string appsecret = "***"; /// <summary> /// 微信第一步：请求CODE(公众号) /// </summary> /// <param name="ticket"></param> /// <returns></returns> public string getsendtourl(string callbackurl) { SortedDictionary<string, string> sParaTemp = new SortedDictionary<string, string>(); sParaTemp.Add("appid", appid); sParaTemp.Add("redirect_uri", HttpUtility.UrlDecode("******")); sParaTemp.Add("response_type", "code"); sParaTemp.Add("scope", "snsapi_userinfo"); sParaTemp.Add("state", "STATE"); string url = "https://open.weixin.qq.com/connect/oauth2/authorize" + "?" + CreateLinkStringUrlencode(sParaTemp) + "#wechat_redirect"; return url; } /// <summary> /// 微信第一步：请求CODE(开发者平台) /// </summary> /// <param name="ticket"></param> /// <returns></returns> public string getsendtourl(string callbackurl) { SortedDictionary<string, string> sParaTemp = new SortedDictionary<string, string>(); sParaTemp.Add("appid", appid); sParaTemp.Add("response_type", "code"); sParaTemp.Add("scope", "snsapi_login"); sParaTemp.Add("state", "STATE"); sParaTemp.Add("connect_redirect", "1"); string url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=****&redirect_uri=http://www.***.com/oauth/wxAllCallBack.html?weixincallbanck_ActiveUrl=" + callbackurl + "&response_type=code&scope=snsapi_login&state=STATE&connect_redirect=1#wechat_redirect"; return url; } /// <summary> /// 微信第二步：通过code获取openid,access_token /// </summary> /// <param name="ticket"></param> /// <returns></returns> public string getresult(string code) { LogUtils.WriteLog(LogUtils.LogType.INFO, "微端登录code：" + code); string openid = string.Empty; string access_token = string.Empty; string refresh_token = string.Empty; string scope = string.Empty; string unionid = string.Empty; SortedDictionary<string, string> sParaTemp = new SortedDictionary<string, string>(); sParaTemp.Add("appid", appid); sParaTemp.Add("secret", appsecret); sParaTemp.Add("code", code); sParaTemp.Add("grant_type", "authorization_code"); string result = HttpGETstring("https://api.weixin.qq.com/sns/oauth2/access_token", sParaTemp); if (!string.IsNullOrEmpty(result) && !result.Contains("errcode")) { return result; } LogUtils.WriteLog(LogUtils.LogType.ERROR, "wx获取access_token错误" + result); return string.Empty; } /// <summary> /// 微信第三步：通过access_token,openid获取个人信息 昵称 /// </summary> /// <param name="ticket"></param> /// <returns></returns> public UserInfo getuserinfo(string access_token,string openid) { string nickname = string.Empty; string headimgurl = string.Empty; SortedDictionary<string, string> sParaTemp = new SortedDictionary<string, string>(); sParaTemp.Add("access_token", access_token); sParaTemp.Add("openid", openid); string result = HttpGETstring("https://api.weixin.qq.com/sns/userinfo", sParaTemp); LogUtils.WriteLog(LogUtils.LogType.INFO, "getuserinfo:"+result); UserInfo myinfo = new UserInfo(); myinfo = LitJson.JsonMapper.ToObject<UserInfo>(result); LogUtils.WriteLog(LogUtils.LogType.INFO, "getuserinfo:" + myinfo.nickname); return myinfo; } /// <summary> /// 微信第三步：通过access_token,openid获取个人信息 微信头像 /// </summary> /// <param name="ticket"></param> /// <returns></returns> public string getuserinfo_headimgurl(string access_token, string openid) { string nickname = string.Empty; string headimgurl = string.Empty; SortedDictionary<string, string> sParaTemp = new SortedDictionary<string, string>(); sParaTemp.Add("access_token", access_token); sParaTemp.Add("openid", openid); string result = HttpGETstring("https://api.weixin.qq.com/sns/userinfo", sParaTemp); if (!string.IsNullOrEmpty(result)) { string[] aa = result.Split(",".ToCharArray()); for (int i = 0; i < aa.Length; i++) { if (aa[i].ToString().IndexOf("headimgurl") > 0) { headimgurl = aa[i].Replace("\"headimgurl\":", ""); headimgurl = openid.Replace("\"", ""); } } return headimgurl; // return result; } return string.Empty; } public class UserInfo { public string openid { get; set; } public string nickname { get; set; } public string headimgurl { get; set; } public int sex { get; set; } public string unionid { get; set; } //可以添加更多需要用到的用户对象 //.... } public class JsonToken { public string access_token { get; set; } public double expires_in { get; set; } public string refresh_token { get; set; } } public static string HttpGETstring(string baseurl, SortedDictionary<string, string> args) { string strResponse = string.Empty; string url = baseurl + "?" + CreateLinkStringUrlencode(args); try { QBYL.Common.LogUtils.WriteLog(QBYL.Common.LogUtils.LogType.DEBUG, url); WebRequest req = WebRequest.Create(url); req.Timeout = 3000; WebResponse resp = req.GetResponse(); StreamReader sr = new StreamReader(resp.GetResponseStream(), Encoding.UTF8); strResponse = sr.ReadToEnd(); QBYL.Common.LogUtils.WriteLog(QBYL.Common.LogUtils.LogType.DEBUG, strResponse); //T returnData = LitJson.JsonMapper.ToObject<T>(strResponse); return strResponse; } catch (Exception ex) { LogUtils.WriteLog(LogUtils.LogType.ERROR, string.Format("Com.Snda.SSO.HttpGET：{0}\r\n{1}", url, strResponse), ex); } return string.Empty; } public static string CreateLinkStringUrlencode(SortedDictionary<string, string> dicArray) { StringBuilder prestr = new StringBuilder(); foreach (KeyValuePair<string, string> temp in dicArray) { prestr.Append(temp.Key + "=" + HttpUtility.UrlEncode(temp.Value) + "&"); } //去掉最後一個&字符 int nLen = prestr.Length; prestr.Remove(nLen - 1, 1); return prestr.ToString(); } //授权登录记录两个token public void getAccessToken(string openid,string refresh_token,string access_token) { // access_token 应该全局存储与更新，以下代码以写入到文件中做示例 //string access_token = ""; string path = HttpContext.Current.Server.MapPath(@"/json/"+openid+"_token.json"); if (!File.Exists(path)) { File.Create(path).Close(); } StreamReader sr = new StreamReader(path, System.Text.Encoding.Default); string filecontent = sr.ReadToEnd(); JsonToken jsonModel = null; if (!string.IsNullOrEmpty(filecontent)) { jsonModel = Desrialize<JsonToken>(new JsonToken(), filecontent); } sr.Close(); sr.Dispose(); if (jsonModel == null || jsonModel.expires_in < ConvertDateTimeInt(DateTime.Now)) { string json = "{\"refresh_token\":\"" + refresh_token + "\",\"access_token\":\"" + access_token + "\",\"expires_in\":" + (ConvertDateTimeInt(DateTime.Now) + 600) + "}"; StreamWriterMetod(json, path); } } //获取access_token public string getAccessToken(string openid) { LogUtils.WriteLog(LogUtils.LogType.DEBUG, "gettoken:" + openid); string access_token = ""; try { string refresh_token = ""; string path = HttpContext.Current.Server.MapPath(@"/json/" + openid + "_token.json"); if (!File.Exists(path)) { File.Create(path).Close(); } StreamReader sr = new StreamReader(path, System.Text.Encoding.Default); string filecontent = sr.ReadToEnd(); JsonToken jsonModel = null; if (!string.IsNullOrEmpty(filecontent)) { jsonModel = Desrialize<JsonToken>(new JsonToken(), filecontent); } sr.Close(); sr.Dispose(); LogUtils.WriteLog(LogUtils.LogType.DEBUG, "gettoken:" + jsonModel.expires_in); if (jsonModel == null || jsonModel.expires_in < ConvertDateTimeInt(DateTime.Now)) { SortedDictionary<string, string> sParaTemp = new SortedDictionary<string, string>(); sParaTemp.Add("appid", appid); sParaTemp.Add("grant_type", "refresh_token"); sParaTemp.Add("refresh_token", jsonModel.refresh_token); string result = HttpGETstring("https://api.weixin.qq.com/sns/oauth2/access_token", sParaTemp); //refresh_token重新获取access_token if (!string.IsNullOrEmpty(result) && !result.Contains("errcode")) { jsonModel = Desrialize<JsonToken>(new JsonToken(), result); access_token = jsonModel.access_token; refresh_token = jsonModel.access_token; if (access_token != "") { string json = "{\"refresh_token\":\"" + refresh_token + "\",\"access_token\":\"" + access_token + "\",\"expires_in\":" + (ConvertDateTimeInt(DateTime.Now) + 600) + "}"; StreamWriterMetod(json, path); } } } else { access_token = jsonModel.access_token; } } catch (Exception ex) { LogUtils.WriteLog(LogUtils.LogType.DEBUG, "gettoken:"+ex); } return access_token; } /// <summary> /// 将c# DateTime时间格式转换为Unix时间戳格式 /// </summary> /// <param name="time">时间</param> /// <returns>double</returns> public static int ConvertDateTimeInt(System.DateTime time) { int intResult = 0; System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1)); intResult = Convert.ToInt32((time - startTime).TotalSeconds); return intResult; } /// <summary> /// StreamWriter写入文件方法 /// </summary> public static void StreamWriterMetod(string str, string patch) { try { FileStream fsFile = new FileStream(patch, FileMode.OpenOrCreate); StreamWriter swWriter = new StreamWriter(fsFile); //寫入數據 swWriter.WriteLine(str); swWriter.Close(); } catch (Exception e) { throw e; } } //发起一个http请球，返回值 public static string httpGet(string url) { try { WebClient MyWebClient = new WebClient(); MyWebClient.Credentials = CredentialCache.DefaultCredentials;//获取或设置用于向Internet资源的请求进行身份验证的网络凭据 Byte[] pageData = MyWebClient.DownloadData(url); //从指定网站下载数据 string pageHtml = System.Text.Encoding.Default.GetString(pageData); //如果获取网站页面采用的是GB2312，则使用这句 //string pageHtml = Encoding.UTF8.GetString(pageData); //如果获取网站页面采用的是UTF-8，则使用这句 return pageHtml; } catch (WebException webEx) { Console.WriteLine(webEx.Message.ToString()); return null; } } public static T Desrialize<T>(T obj, string str) { try { var mStream = new MemoryStream(Encoding.Default.GetBytes(str)); var serializer = new DataContractJsonSerializer(typeof(T)); T readT = (T)serializer.ReadObject(mStream); return readT; } catch (Exception ex) { return default(T); throw new Exception("反序列化失败,原因:" + ex.Message); } } /// <summary> /// 序列化 对象到字符串 /// </summary> /// <param name="obj">泛型对象</param> /// <returns>序列化后的字符串</returns> public static string Serialize<T>(T obj) { try { var serializer = new DataContractJsonSerializer(typeof(T)); var stream = new MemoryStream(); serializer.WriteObject(stream, obj); byte[] dataBytes = new byte[stream.Length]; stream.Position = 0; stream.Read(dataBytes, 0, (int)stream.Length); string dataString = Encoding.UTF8.GetString(dataBytes); return dataString; } catch (Exception ex) { return null; throw new Exception("序列化失败,原因:" + ex.Message); } } }
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