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240
MyCode.Project.WebApi/Areas/Wechat/Controllers/WeController.cs
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240
MyCode.Project.WebApi/Areas/Wechat/Controllers/WeController.cs
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using Newtonsoft.Json.Linq;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net;
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using System.Net.Http;
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using System.Web.Http;
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using MyCode.Project.Domain.Message.Response.User;
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using MyCode.Project.Infrastructure.Constant;
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using MyCode.Project.WebApi.Controllers;
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using MyCode.Project.Domain.Config;
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using MyCode.Project.Services;
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using MyCode.Project.Infrastructure.Common;
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using MyCode.Project.Domain.Message.Request.User;
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using MyCode.Project.Infrastructure.Enumeration;
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using MyCode.Project.WebApi.App_Filter;
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using System.Web;
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using System.IO;
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using System.Text;
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using System.Xml;
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using Senparc.Weixin.MP;
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using Senparc.Weixin.MP.MessageHandlers;
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using Senparc.NeuChar.Context;
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using Senparc.NeuChar.Entities;
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using System.Xml.Linq;
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using MyCode.Project.Services.CustomMessageHandler;
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using MyCode.Project.Domain.Dtos.Common;
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using MyCode.Project.Domain.Message.Response.Wechat;
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using MyCode.Project.Infrastructure.Cache;
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using MyCode.Project.Infrastructure.Exceptions;
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namespace MyCode.Project.WebApi.Areas.Wechat.Controllers
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{
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public class WeController : BaseWechatController
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{
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private readonly IMyCodeCacheService _myCodeCacheService;
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private IMemberService _memberService;
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public WeController(IMyCodeCacheService myCodeCacheService
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, IMemberService memberService)
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{
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_myCodeCacheService = myCodeCacheService;
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_memberService = memberService;
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}
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#region WeCallBack(微信回调)
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/// <summary>
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/// 微信回调1
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/// </summary>
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[AllowAnonymous, IgnoreResultHandle, HttpGet, HttpPost, ActionName("WeCallBack")]
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public void WeCallBack()
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{
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var context = CurrentHttpContext;
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string signature = context.Request["signature"];
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string timestamp = context.Request["timestamp"];
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string nonce = context.Request["nonce"];
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string echostr = context.Request["echostr"];
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//get method -检验是否微信的回调，不是则不执行
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if (CheckSignature.Check(signature, timestamp, nonce, SystemConfig.WeToken))
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{
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// string postStr = @" <xml><ToUserName><![CDATA[gh_9022339a2c40]]></ToUserName>
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//<FromUserName><![CDATA[onGWJs5LvcR2NbYMJF2VyRhVH9XU]]></FromUserName>
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//<CreateTime>1576747572</CreateTime>
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//<MsgType><![CDATA[event]]></MsgType>
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//<Event><![CDATA[subscribe]]></Event>
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//<EventKey><![CDATA[]]></EventKey>
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//</xml>";
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Stream s = System.Web.HttpContext.Current.Request.InputStream;//此方法是对System.Web.HttpContext.Current.Request.InputStream的封装，可直接代码
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string postStr = "";
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if (s != null && s.Length > 0)
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{
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s.Position = 0; //当你读取完之后必须把stream的读取位置设为开始
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StreamReader reader = new StreamReader(s, System.Text.Encoding.UTF8);
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postStr = reader.ReadToEnd().ToString();
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}
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//byte[] b = new byte[s.Length];
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//s.Read(b, 0, (int)s.Length);
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//string postStr = Encoding.UTF8.GetString(b);
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//LogHelper.Info(postStr);
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var weixinContext = MessageHandler<MessageContext<IRequestMessageBase, IResponseMessageBase>>.GlobalWeixinContext.MessageQueue.FirstOrDefault();
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var recordCount = MessageHandler<MessageContext<IRequestMessageBase, IResponseMessageBase>>.GlobalWeixinContext.MaxRecordCount;
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if (string.IsNullOrEmpty(postStr))
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{
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context.Response.Output.Write(echostr);
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context.Response.End();
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return;
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}
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var doc = XDocument.Parse(postStr);
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var maxRecordCount = 1;
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var messageHandler = new CustomMessageHandler(doc, null, maxRecordCount);
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messageHandler.OmitRepeatedMessage = true;
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messageHandler.Execute();
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//LogHelper.Info("RequestMessages:" + messageHandler.RequestMessage);
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if (messageHandler.TextResponseMessage != null)
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{
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//LogHelper.Info("ResponseMessages:" + messageHandler.TextResponseMessage);
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context.Response.Output.Write(messageHandler.TextResponseMessage);
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context.Response.End();
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}
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}
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return;
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}
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#endregion
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#region 接收消息
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/// <summary>
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/// 接收微信发送的XML消息并且解析
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/// </summary>
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private void ReceiveXml()
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{
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Stream requestStream = System.Web.HttpContext.Current.Request.InputStream;
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byte[] requestByte = new byte[requestStream.Length];
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requestStream.Read(requestByte, 0, (int)requestStream.Length);
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string requestStr = Encoding.UTF8.GetString(requestByte);
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if (!string.IsNullOrEmpty(requestStr))
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{
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//封装请求类
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XmlDocument requestDocXml = new XmlDocument();
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requestDocXml.LoadXml(requestStr);
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XmlElement rootElement = requestDocXml.DocumentElement;
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WxXmlModel WxXmlModel2 = new WxXmlModel();
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WxXmlModel2.ToUserName = rootElement.SelectSingleNode("ToUserName").InnerText;
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WxXmlModel2.FromUserName = rootElement.SelectSingleNode("FromUserName").InnerText;
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WxXmlModel2.CreateTime = rootElement.SelectSingleNode("CreateTime").InnerText;
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WxXmlModel2.MsgType = rootElement.SelectSingleNode("MsgType").InnerText;
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switch (WxXmlModel2.MsgType)
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{
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case "text"://文本
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WxXmlModel2.Content = rootElement.SelectSingleNode("Content").InnerText;
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break;
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case "image"://图片
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WxXmlModel2.PicUrl = rootElement.SelectSingleNode("PicUrl").InnerText;
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break;
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case "event"://事件
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WxXmlModel2.Event = rootElement.SelectSingleNode("Event").InnerText;
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if (WxXmlModel2.Event != "TEMPLATESENDJOBFINISH")//关注类型
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{
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WxXmlModel2.EventKey = rootElement.SelectSingleNode("EventKey").InnerText;
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}
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break;
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default:
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break;
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}
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ResponseXML(WxXmlModel2);//回复消息
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}
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}
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#endregion
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#region 回复消息
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private void ResponseXML(WxXmlModel WxXmlModel)
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{
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QrCodeApi QrCodeApi = new QrCodeApi();
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string XML = "";
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switch (WxXmlModel.MsgType)
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{
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case "text"://文本回复
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XML = MyCode.Project.Infrastructure.Common.ResponseMessage.GetText(WxXmlModel.FromUserName, WxXmlModel.ToUserName, WxXmlModel.Content);
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break;
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case "event":
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switch (WxXmlModel.Event)
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{
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case "subscribe":
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if (string.IsNullOrEmpty(WxXmlModel.EventKey))
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{
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XML = MyCode.Project.Infrastructure.Common.ResponseMessage.GetText(WxXmlModel.FromUserName, WxXmlModel.ToUserName, "关注成功");
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}
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else
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{
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XML = MyCode.Project.Infrastructure.Common.ResponseMessage.SubScanQrcode(WxXmlModel.FromUserName, WxXmlModel.ToUserName, WxXmlModel.EventKey);//扫描带参数二维码先关注后推送事件
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}
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break;
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case "SCAN":
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XML = MyCode.Project.Infrastructure.Common.ResponseMessage.ScanQrcode(WxXmlModel.FromUserName, WxXmlModel.ToUserName, WxXmlModel.EventKey);//扫描带参数二维码已关注 直接推送事件
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break;
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}
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break;
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default://默认回复
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break;
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}
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HttpContext.Current.Response.Write(XML);
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HttpContext.Current.Response.End();
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}
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#endregion
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#region OpenId(获取OpenId，授权自动跳转；)
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/// <summary>
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/// H5授权token，获取OpenId，授权自动跳转；
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/// </summary>
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[AllowAnonymous, IgnoreResultHandle, HttpGet, HttpPost, ActionName("openid")]
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public void OpenId(string url, int? introcode = null)
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{
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//拿到code后的跳转链接
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var redirectUrl = $"{SystemConfig.WeixinApiUrl}/api/Wechat/We/UserInfoCallback";
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var openIdResp = new OpenIdResp();
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var tempCacheKey = Guid.NewGuid();
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//解码
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url = HttpUtility.UrlDecode(url);
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//授权成功之后的跳转链接
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openIdResp.RedirectUrl = url;
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_myCodeCacheService.Set(tempCacheKey.ToString(), openIdResp);
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//执行跳转链接，userinfo跳转
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var weixinOAuth2Url = $"https://open.weixin.qq.com/connect/oauth2/authorize?appid={SystemConfig.WeAppid}&redirect_uri={HttpUtility.UrlEncode(redirectUrl)}&response_type=code&scope=snsapi_userinfo&state={tempCacheKey}#wechat_redirect";
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CurrentHttpContext.Response.Redirect(weixinOAuth2Url);
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}
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#endregion
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#region UserInfoCallback(带用户信息的回调)
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[AllowAnonymous, IgnoreResultHandle, HttpGet, HttpPost, ActionName("UserInfoCallback")]
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public void UserInfoCallback(string code, string state)
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{
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if (string.IsNullOrEmpty(code)) { throw new BaseException("code为空"); }
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var redirectUrl = _memberService.GetWXOAuthRedirectUrlByUserInfo(state, code);
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CurrentHttpContext.Response.Redirect(redirectUrl);
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}
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#endregion
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}
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}
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