.NET Core企业微信网页授权登录的实现_实用技巧_

"Wx": { "corpid": "", "corpsecret": "", "baseurl": "https://qyapi.weixin.qq.com", "getUserByCode": "/cgi-bin/user/getuserinfo?access_token={0}&code={1}", "getToken": "/cgi-bin/gettoken?corpid={0}&corpsecret={1}", "getUserByUserId": "/cgi-bin/user/get?access_token={0}&userid={1}" }

public static IHttpClientFactory httpClientFactory { get; set; }

public void ConfigureServices(IServiceCollection services) { services.AddHttpClient("WxClient", config => { config.BaseAddress = new Uri(Configuration["Wx:baseurl"]); config.DefaultRequestHeaders.Add("Accept", "application/json"); }); }

public void Configure(IApplicationBuilder app, IWebHostEnvironment env) { GlobalContext.httpClientFactory = app.ApplicationServices.GetService(); }

using System; using System.Collections.Generic; using System.Text; namespace YiSha.Model.Result { public class UserCache { /// 
 /// 用户id /// 
 public string UserID { get; set; } /// 
 /// 头像 /// 
 public string Portrait { get; set; } /// 
 /// 用户名 /// 
 public string Username { get; set; } /// 
 /// 缓存最近一次Code 用于刷新时code不更新问题 /// 
 public string Code { get; set; } } }

using System;using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; using YiSha.Model.Result; namespace YiSha.Admin.Web.App_Code { public static class ApplicationContext { /// 
 /// 用于多点登录的微信用户 /// 
 public const string WxUser = "taskUser"; /// 
 /// 用于多点登录的微信密码 /// 
 public const string WxPassWord = "123456"; /// 
 /// 过期时间 /// 
 public static DateTime TimeOutDate { get; set; } /// 
 /// Token /// 
 public static string Token { get; set; } /// 
 /// 缓存UserID Name 头像 /// 
 public static List UserCache { get; set; } = new List(); } }

using System; using System.Collections.Generic; using System.Text; namespace YiSha.Entity.OAManage { public class GetTokenResult { /// 
 /// 错误编号 /// 
 public int errcode { get; set; } /// 
 /// 错误信息 /// 
 public string errmsg { get; set; } /// 
 /// Token /// 
 public string access_token { get; set; } /// 
 /// 过期时间 /// 
 public int expires_in { get; set; } } }

using System; using System.Collections.Generic; using System.Text; namespace YiSha.Entity.OAManage { //获取用户ID public class GetUserInfoResult { /// 
 /// 错误编号 /// 
 public int errcode { get; set; } /// 
 /// 错误信息 /// 
 public string errmsg { get; set; } /// 
 /// 用户ID /// 
 public string UserID { get; set; } } }

using System; using System.Collections.Generic; using System.Text; namespace YiSha.Entity.OAManage { public class GetUserResult { /// 
 /// 错误编号 /// 
 public int errcode { get; set; } /// 
 /// 错误信息 /// 
 public string errmsg { get; set; } /// 
 /// 名称 /// 
 public string name { get; set; } /// 
 /// 头像 /// 
 public string avatar { get; set; } } }

/// 
 /// 获取Token /// 
 /// Item1 Token;Item2 是否成功 public Tuple GetToken() { //判断Token是否存在 以及Token是否在有效期内 if(string.IsNullOrEmpty(ApplicationContext.Token) || ApplicationContext.TimeOutDate > DateTime.Now) { //构造请求链接 var requestBuild = GlobalContext.Configuration["Wx:getToken"]; requestBuild = string.Format(requestBuild, GlobalContext.Configuration["Wx:corpid"], GlobalContext.Configuration["Wx:corpsecret"] ); using (var wxClient = GlobalContext.httpClientFactory.CreateClient("WxClient")) { var httpResponse = wxClient.GetAsync(requestBuild).Result; if(httpResponse.StatusCode == System.Net.HttpStatusCode.OK) { var dynamic= JsonConvert.DeserializeObject( httpResponse.Content.ReadAsStringAsync().Result ); ApplicationContext.Token = dynamic.access_token; //过期5分钟前刷新Token var expires_in = Convert.ToDouble(dynamic.expires_in - 5 * 60); ApplicationContext.TimeOutDate = DateTime.Now.AddSeconds(expires_in); return Tuple.Create(ApplicationContext.Token,true); } else { return Tuple.Create("获取企业微信Token失败,请稍后重试！", false); } } } else { return Tuple.Create(ApplicationContext.Token, true); } }

/// 
 /// 获取用户ID /// 
 /// 企业微信Token /// 构造请求的回调code /// Item1 UserId;Item2 是否成功 public Tuple GetUserID(string token,string code) { //构造请求链接 var requestBuild = GlobalContext.Configuration["Wx:getUserByCode"]; requestBuild = string.Format(requestBuild,token,code); using (var wxClient = GlobalContext.httpClientFactory.CreateClient("WxClient")) { var httpResponse = wxClient.GetAsync(requestBuild).Result; if (httpResponse.StatusCode == System.Net.HttpStatusCode.OK) { var dynamic = JsonConvert.DeserializeObject( httpResponse.Content.ReadAsStringAsync().Result ); return Tuple.Create(dynamic.UserID, true); } else { return Tuple.Create("获取用户ID失败,请稍后重试！", false); } } }

/// 
 /// 获取用户通讯录 /// 
 /// Item1 头像，获取失败时为错误信息;Item2 名称;Item3 是否成功 public Tuple GetUserByID(string token, string userid) { //构造请求链接 var requestBuild = GlobalContext.Configuration["Wx:getUserByUserId"]; requestBuild = string.Format(requestBuild, token, userid); //建立HttpClient us
                
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