20171106

App_Data/MsgTemple.xml

<?xml version="1.0" encoding="utf-8"?>
<xml>

<temp>
<tempid>sendWhenApptem</tempid>
<tempcontent>{ "touser":"$$0$$","template_id":"$$1$$", "data":{"first":{"value":"$$2$$","color":"#173177"}} }</tempcontent>
</temp>
<temp>
<tempid>sendWhenApp</tempid>
<tempcontent>{ "touser":"$$0$$","template_id":"$$1$$", "data":{"first":{"value":"$$2$$","color":"#173177"}} }</tempcontent>
</temp>
<temp>
<tempid>queue</tempid>
<tempcontent>{ "touser":"$$0$$","template_id":"$$1$$", "data":{"first":{"value":"$$2$$","color":"#173177"}} }</tempcontent>
</temp>
<temp>
<tempid>queuefinish</tempid>
<tempcontent>{ "touser":"$$0$$","template_id":"$$1$$", "data":{"first":{"value":"$$2$$","color":"#173177"}} }</tempcontent>
</temp>
<temp>
<tempid>pay</tempid>
<tempcontent>{ "touser":"$$0$$","template_id":"$$1$$","url":"http://weixin.deqiaohr.com.cn/EmploUpdatePwd.aspx", "data":{"first":{"value":"服务完成，请点击链接进行支付!","color":"#173177"},"keyword1":{"value":"$$2$$","color":"#173177"},"keyword2":{"value":"$$3$$","color":"#173177"},"keyword3":{"value":"$$4$$","color":"#173177"},"keyword4":{"value":"$$5$$","color":"#173177"},"keyword5":{"value":"$$6$$","color":"#173177"},"remark":{"value":"请点击链接完成本次服务付款!","color":"#173177"}} }</tempcontent>
</temp>
</xml>

Class/GetAccess_token.cs

using AppWeb.Models;
using Common;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Web;
using System.Xml;

namespace AppWeb.Class
{
public class GetAccess_token
{
public static Access_token GetAccess_token_Fun()
{
string appid = ConfigurationManager.AppSettings["appid"];
string secret = ConfigurationManager.AppSettings["secret"];
Access_token mode = new Access_token();

var GetTakenStr = HttpHelper.HttpGet("https://api.weixin.qq.com/cgi-bin/token", "grant_type=client_credential&appid=" + appid + "&secret=" + secret);//get
var jd = JsonConvert.DeserializeObject<Access_token>(GetTakenStr);
mode.access_token = (String)jd.access_token;
mode.expires_in = (String)jd.expires_in;
return mode;
}

/// <summary>
/// 根据当前日期判断Access_Token 是否超期如果超期返回新的Access_Token 否则返回之前的Access_Token
/// </summary>
/// <param name="datetime"></param>
/// <returns></returns>
public static string IsExistAccess_Token()
{

string Token = string.Empty;
DateTime YouXRQ;
// 读取XML文件中的数据，并显示出来，注意文件路径
string filepath = AppDomain.CurrentDomain.BaseDirectory + "/App_Data/XMLFile.xml";

StreamReader str = new StreamReader(filepath, System.Text.Encoding.UTF8);
XmlDocument xml = new XmlDocument();
xml.Load(str);
str.Close();
str.Dispose();
Token = xml.SelectSingleNode("xml").SelectSingleNode("Access_Token").InnerText;
YouXRQ = Convert.ToDateTime(xml.SelectSingleNode("xml").SelectSingleNode("Access_YouXRQ").InnerText);

if (DateTime.Now > YouXRQ)
{
DateTime _youxrq = DateTime.Now;
Access_token mode = GetAccess_token_Fun();
xml.SelectSingleNode("xml").SelectSingleNode("Access_Token").InnerText = mode.access_token;
_youxrq = _youxrq.AddSeconds(int.Parse(mode.expires_in));
xml.SelectSingleNode("xml").SelectSingleNode("Access_YouXRQ").InnerText = _youxrq.ToString();
xml.Save(filepath);
Token = mode.access_token;
}
return Token;
}

public static string ForceRecreate()
{
string Token = string.Empty;
// 读取XML文件中的数据，并显示出来，注意文件路径
string filepath = AppDomain.CurrentDomain.BaseDirectory + "/App_Data/XMLFile.xml";

StreamReader str = new StreamReader(filepath, System.Text.Encoding.UTF8);
XmlDocument xml = new XmlDocument();
xml.Load(str);
DateTime _youxrq = DateTime.Now;
Access_token mode = GetAccess_token_Fun();
xml.SelectSingleNode("xml").SelectSingleNode("Access_Token").InnerText = mode.access_token;
_youxrq = _youxrq.AddSeconds(int.Parse(mode.expires_in));
xml.SelectSingleNode("xml").SelectSingleNode("Access_YouXRQ").InnerText = _youxrq.ToString();
xml.Save(filepath);
Token = mode.access_token;
return Token;
}
}
}

Class/WXUtility.cs

using AppWeb.Class;
using AppWeb.Models;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data.Entity;
using System.Linq;
using System.Text;

namespace Common
{
public class WXUtility
{
#region 静默获取用户OpenID
public static void ReGetOpenId(string returnUrl)//"/shoplist/index"
{
string url = System.Web.HttpContext.Current.Request.Url.AbsoluteUri;//获取当前url
//if (System.Web.HttpContext.Current.Session["openid"] == null||System.Web.HttpContext.Current.Session["openid"].ToString() == "")
//{
//先要判断是否是获取code后跳转过来的
if (System.Web.HttpContext.Current.Request.QueryString["code"] == "" || System.Web.HttpContext.Current.Request.QueryString["code"] == null)
{
//Code为空时，先获取Code
string GetCodeUrls = GetCodeUrl(url);
System.Web.HttpContext.Current.Response.Redirect(GetCodeUrls);//先跳转到微信的服务器，取得code后会跳回来这页面的
}
else
{
//Code非空，已经获取了code后跳回来啦，现在重新获取openid
// Log log = new Log(AppDomain.CurrentDomain.BaseDirectory + @"/log/Log.txt");
string openid = "";
openid = GetOauthAccessOpenId(System.Web.HttpContext.Current.Request.QueryString["Code"]);//重新取得用户的openid
System.Web.HttpContext.Current.Session["openid"] = openid;
wxWebEntities bll = new wxWebEntities();
var temModel= bll.UserInfo.Where(x => x.Openid == openid).First();
if (temModel != null && temModel.Tel!=null&&!string.IsNullOrEmpty(temModel.Tel))
{
System.Web.HttpContext.Current.Session["tel"] = temModel.Tel;
System.Web.HttpContext.Current.Session["UserType"] = temModel.UserType;
System.Web.HttpContext.Current.Session["UserID"] = temModel.ID;
if (temModel.UserType == 2)
{
var styleModel= bll.Stylist.Where(x => x.OpenID == openid).First();
if (styleModel != null)
{
System.Web.HttpContext.Current.Session["StyleID"] = styleModel.Guid;
}
}
}
System.Web.HttpContext.Current.Response.Redirect(returnUrl);
}
//}
}

#region 重新获取Code的跳转链接(没有用户授权的，只能获取基本信息）
/// <summary>重新获取Code,以后面实现带着Code重新跳回目标页面(没有用户授权的，只能获取基本信息（openid））</summary>
/// <param name="url">目标页面</param>
/// <returns></returns>
public static string GetCodeUrl(string url)
{
string CodeUrl = "";
//对url进行编码
url = System.Web.HttpUtility.UrlEncode(url);
CodeUrl = string.Format("https://open.weixin.qq.com/connect/oauth2/authorize?appid=" + ConfigurationManager.AppSettings["appid"] + "&redirect_uri=" + url + "?action=viewtest&response_type=code&scope=snsapi_base&state=1#wechat_redirect");

return CodeUrl;

}
#endregion

#region 以Code换取用户的openid、access_token
/// <summary>根据Code获取用户的openid、access_token</summary>
public static string GetOauthAccessOpenId(string code)
{
Log log = new Log(AppDomain.CurrentDomain.BaseDirectory + @"/log/Log.txt");
string Openid = "";
string gethtml = HttpHelper.HttpGet("https://api.weixin.qq.com/sns/oauth2/access_token", "appid=" + ConfigurationManager.AppSettings["appid"] + "&secret=" + ConfigurationManager.AppSettings["secret"] + "&code=" + code + "&grant_type=authorization_code");
log.log("拿到的url是：" + "https://api.weixin.qq.com/sns/oauth2/access_token" + "appid=" + ConfigurationManager.AppSettings["appid"] + "&secret=" + ConfigurationManager.AppSettings["secret"] + "&code=" + code + "&grant_type=authorization_code");
log.log("获取到的gethtml是" + gethtml);
OAuth_Token ac = new OAuth_Token();
ac = JsonConvert.DeserializeObject<OAuth_Token>(gethtml);
log.log("能否从html里拿到openid=" + ac.openid);
Openid = ac.openid;

#region 判断用户是否存在在数据库不存在的话新增
wxWebEntities bll = new wxWebEntities();
var selTem = bll.UserInfo.Where(x => x.Openid == ac.openid).FirstOrDefault();
if (selTem == null)
{
var getUserInfo = HttpHelper.HttpGet("https://api.weixin.qq.com/cgi-bin/user/info", "access_token=" + GetAccess_token.IsExistAccess_Token() + "&openid=" + ac.openid + "&lang=zh_CN");
if (!string.IsNullOrEmpty(getUserInfo))
{
WxUserInfo model = JsonConvert.DeserializeObject<WxUserInfo>(getUserInfo);
UserInfo AddModel = new UserInfo();
AddModel.ID = Guid.NewGuid().ToString();
AddModel.Openid = model.openid;
AddModel.Nickname = model.nickname;
AddModel.Sex = Convert.ToByte(model.sex);
AddModel.Language = model.language;
AddModel.City = model.city;
AddModel.Province = model.province;
AddModel.Country = model.country;
AddModel.Headimgurl = model.headimgurl;
AddModel.AddTime = DateTime.Now;
AddModel.Tel = "";
AddModel.Status = 1;
AddModel.IsDelete = 0;
AddModel.LastLoginTime = DateTime.Now;
AddModel.UserType = 1;

bll.UserInfo.Add(AddModel);
bll.SaveChanges();
}
}
else// 更新登录信息
{
selTem.LastLoginTime = DateTime.Now;
bll.UserInfo.Attach(selTem);
bll.Entry(selTem).State = EntityState.Modified;
bll.SaveChanges();

//将数据存到session
System.Web.HttpContext.Current.Session["tel"] = selTem.Tel;
System.Web.HttpContext.Current.Session["UserType"] = selTem.UserType;
System.Web.HttpContext.Current.Session["UserID"] = selTem.ID;
if (selTem.UserType == 2)
{
var styleModel = bll.Stylist.Where(x => x.OpenID == ac.openid).First();
if (styleModel != null)
{
System.Web.HttpContext.Current.Session["StyleID"] = styleModel.Guid;
}
}
}
#endregion
return Openid;
}
#endregion

#endregion
}
}

Controllers/ShopDetailsController.cs

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原文地址：https://www.cnblogs.com/muxueyuan/p/7794395.html