/// <summary>
///【强制刷新】access_token值
/// access_token是公众号的全局唯一票据，公众号调用各接口时都需使用access_token。正常情况下access_token有效期为7200秒，
/// 重复获取将导致上次获取的access_token失效。
/// 每日限额获取access_token.我们将access_token保存到数据库里，间隔时间为20分钟，从微信公众平台获得一次。
/// </summary>
/// <returns></returns>
public static string FlushAccessToken(int wid, out string error)
{
string token = "";
error = "";
try
{
wx_property_info pBll = new wx_property_info();
BLL.wx_userweixin wBll = new wx_userweixin();
Model.wx_userweixin weixininfo = wBll.GetModel(wid);
if (weixininfo.AppId == null || weixininfo.AppSecret == null || weixininfo.AppId.Trim().Length <= 0 || weixininfo.AppSecret.Trim().Length <= 0)
{
error = "appId或者AppSecret未填写完全,请在[我的公众帐号]里补全信息！";
return("");
}
var result = CommonApi.GetToken(weixininfo.AppId, weixininfo.AppSecret);
token = result.access_token;
//第一次插入微信属性表
if (!pBll.ExistsWid(wid, "access_token"))
{
//插入
pBll.AddAccess_Token(wid, token, result.expires_in);
}
else
{
WeiXinPF.Model.wx_property_info wxProperty = new WeiXinPF.Model.wx_property_info();
wxProperty = pBll.GetModelList("iName='access_token' and wid=" + wid)[0];
//更新到数据库里
wxProperty.iContent = token;
wxProperty.createDate = DateTime.Now;
wxProperty.expires_in = result.expires_in;
pBll.Update(wxProperty);
}
}
catch (Exception ex)
{
error = "获得access_token出错:" + ex.Message;
WXLogs.AddLog(wid, "access_token", "获得access_token(FlushAccessToken)", error);
}
return(token);
}
protected void Page_Load(object sender, EventArgs e)
{
string Token = "";//与微信公众账号后台的Token设置保持一致，区分大小写。
int wid = 0;
wid = MyCommFun.RequestInt("apiid");
if (wid <= 0)
{
WriteContent("参数非法");
return;
}
wx_userweixin wbll = new wx_userweixin();
Token = wbll.GetWeiXinToken(wid);
if (Token == null || string.IsNullOrEmpty(Token))
{
WriteContent("不存在该微信号或账号已过期或已被禁用！");
return;
}
// Token = "uweixin";
string signature = Request["signature"];
string timestamp = Request["timestamp"];
string nonce = Request["nonce"];
string echostr = Request["echostr"];
if (Request.HttpMethod == "GET")
{
//get method - 仅在微信后台填写URL验证时触发
if (CheckSignature.Check(signature, timestamp, nonce, Token))
{
WriteContent(echostr); //返回随机字符串则表示验证通过
}
else
{
WriteContent("failed:" + signature + ",token:" + Token + " " + CheckSignature.GetSignature(timestamp, nonce, Token) + "。" +
"如果你在浏览器中看到这句话，说明此地址可以被作为微信公众账号后台的Url，请注意保持Token一致。");
}
Response.End();
}
else
{
//本地测试的时候注释掉 ----start -----
if (!CheckSignature.Check(signature, timestamp, nonce, Token))
{
WriteContent("参数错误！");
return;
}
//本地测试的时候注释掉 ----end -----
//post method - 当有用户想公众账号发送消息时触发
Model.wx_userweixin uweixin = wbll.GetModel(wid);
var postModel = new PostModel()
{
Signature = Request.QueryString["signature"],
Msg_Signature = Request.QueryString["msg_signature"],
Timestamp = Request.QueryString["timestamp"],
Nonce = Request.QueryString["nonce"],
//以下保密信息不会（不应该）在网络上传播，请注意
Token = Token,
EncodingAESKey = uweixin.extStr, //根据自己后台的设置保持一致
AppId = uweixin.AppId //根据自己后台的设置保持一致
};
//v4.2.2之后的版本，可以设置每个人上下文消息储存的最大数量，防止内存占用过多，如果该参数小于等于0，则不限制
var maxRecordCount = 10;
//自定义MessageHandler，对微信请求的详细判断操作都在这里面。
var messageHandler = new CustomMessageHandler(Request.InputStream, postModel, maxRecordCount);
try
{
//测试时可开启此记录，帮助跟踪数据，使用前请确保App_Data文件夹存在，且有读写权限。
messageHandler.RequestDocument.Save(
Server.MapPath("~/App_Data/" + DateTime.Now.Ticks + "_Request_" +
messageHandler.RequestMessage.FromUserName + ".txt"));
//执行微信处理过程
messageHandler.Execute();
//测试时可开启，帮助跟踪数据
messageHandler.ResponseDocument.Save(
Server.MapPath("~/App_Data/" + DateTime.Now.Ticks + "_Response_" +
messageHandler.ResponseMessage.ToUserName + ".txt"));
//为了解决官方微信5.0软件换行bug暂时添加的方法，平时用下面一个方法即可 begin
string lastStr = "";
if (messageHandler != null && messageHandler.ResponseDocument != null && messageHandler.ResponseDocument.ToString().Trim() != "")
{
lastStr = messageHandler.ResponseDocument.ToString().Replace("\r\n", "\n");
}
else
{
lastStr = messageHandler.ResponseDocument.ToString();
}
// WriteContent( messageHandler.ResponseDocument.ToString());
//为了解决官方微信5.0软件换行bug暂时添加的方法，平时用下面一个方法即可 end
//如果自动回复已经关闭，则不返回内容，start 1220
WeiXCommFun wxcomm = new WeiXCommFun();
int apiid = wxcomm.getApiid();
if (!wxcomm.wxCloseKW(apiid))
{
lastStr = "";
}
//如果自动回复已经关闭，则不返回内容，end 1220
WriteContent(lastStr);
return;
}
catch (Exception ex)
{
using (TextWriter tw = new StreamWriter(Server.MapPath("~/App_Data/Error_" + DateTime.Now.Ticks + ".txt")))
{
tw.WriteLine(ex.Message);
tw.WriteLine(ex.InnerException.Message);
if (messageHandler.ResponseDocument != null)
{
tw.WriteLine(messageHandler.ResponseDocument.ToString());
}
tw.Flush();
tw.Close();
}
WriteContent("");
}
finally
{
Response.End();
}
}
}
/// <summary>
/// 及时获得access_token值
/// access_token是公众号的全局唯一票据，公众号调用各接口时都需使用access_token。正常情况下access_token有效期为7200秒，
/// 重复获取将导致上次获取的access_token失效。
/// 每日限额获取access_token.我们将access_token保存到数据库里，间隔时间为20分钟，从微信公众平台获得一次。
/// </summary>
/// <returns></returns>
public static string getAccessToken(int wid, out string error)
{
string token = "";
error = "";
try
{
wx_property_info pBll = new wx_property_info();
BLL.wx_userweixin wBll = new wx_userweixin();
Model.wx_userweixin weixininfo = wBll.GetModel(wid);
if (weixininfo.AppId == null || weixininfo.AppSecret == null ||
weixininfo.AppId.Trim().Length <= 0 || weixininfo.AppSecret.Trim().Length <= 0)
{
error = "appId或者AppSecret未填写完全,请在[我的公众帐号]里补全信息！";
WXLogs.AddLog(wid, "access_token", "获得access_token", error);
return("");
}
WeiXinPF.Model.wx_property_info wxProperty = new WeiXinPF.Model.wx_property_info();
//第一次插入微信属性表
if (!pBll.ExistsWid(wid, "access_token"))
{
AccessTokenResult result = CommonApi.GetToken(weixininfo.AppId, weixininfo.AppSecret);
token = result.access_token;
pBll.AddAccess_Token(wid, token, result.expires_in);
return(token);
//WeChatAccountManager manager = WeChatAccountManager.CreateInstance(weixininfo.AppId, weixininfo.AppSecret);
//Credential credential = new Credential(manager);
//token = credential.AccessToken;
//pBll.AddAccess_Token(wid, token, 7000);
//return token;
}
wxProperty = pBll.GetModelList("iName='access_token' and wid=" + wid)[0];
double chajunSecond = (DateTime.Now - wxProperty.createDate.Value).TotalSeconds;
if (chajunSecond >= wxProperty.expires_in)
{
//从微信平台重新获得access_token
AccessTokenResult result = CommonApi.GetToken(weixininfo.AppId, weixininfo.AppSecret);
token = result.access_token;
//更新到数据库里
wxProperty.iContent = token;
wxProperty.createDate = DateTime.Now;
wxProperty.expires_in = result.expires_in;
//WeChatAccountManager manager = WeChatAccountManager.CreateInstance(weixininfo.AppId, weixininfo.AppSecret);
//Credential credential = new Credential(manager);
//token = credential.AccessToken;
////更新到数据库里
//wxProperty.iContent = token;
//wxProperty.createDate = DateTime.Now;
//wxProperty.expires_in = 7000;
//pBll.Update(wxProperty);
}
else
{
token = wxProperty.iContent;
}
}
catch (Exception ex)
{
error = "获得access_token出错:" + ex.Message;
WXLogs.AddLog(wid, "access_token", "获得access_token", error);
}
return(token);
}
/// <summary>
/// 获取jssdk 里的临时票据
/// </summary>
/// <param name="wid"></param>
/// <param name="error"></param>
/// <returns></returns>
public static string getJsApiTicket(int wid, out string error)
{
string atErr = "";
string accessToken = getAccessToken(wid, out atErr);
if (atErr != "")
{
accessToken = FlushAccessToken(wid, out atErr);
}
if (accessToken == "")
{
error = "取accessToken值出现异常";
WXLogs.AddLog(wid, "getJsApiTicket", "获得getJsApiTicket", "WeiXinPF.WeiXinComm.getJsApiTicket" + error);
return("");
}
string token = "";
error = "";
try
{
wx_property_info pBll = new wx_property_info();
BLL.wx_userweixin wBll = new wx_userweixin();
Model.wx_userweixin weixininfo = wBll.GetModel(wid);
if (weixininfo.AppId == null || weixininfo.AppSecret == null || weixininfo.AppId.Trim().Length <= 0 || weixininfo.AppSecret.Trim().Length <= 0)
{
error = "appId或者AppSecret未填写完全,请在[我的公众帐号]里补全信息！";
return("");
}
WeiXinPF.Model.wx_property_info wxProperty = new WeiXinPF.Model.wx_property_info();
//第一次插入微信属性表
if (!pBll.ExistsWid(wid, "JsApiTicket"))
{
string type = "jsapi";
var url = string.Format("https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token={0}&type={1}",
accessToken, type);
JsApiTicketResult result = OneGulp.WeChat.HttpUtility.Get.GetJson <JsApiTicketResult>(url);
token = result.ticket;
//存入属性表
wxProperty.wid = wid;
wxProperty.iName = "JsApiTicket";
wxProperty.iContent = token;
wxProperty.createDate = DateTime.Now;
wxProperty.expires_in = result.expires_in;
wxProperty.count = 1;
pBll.Add(wxProperty);
return(token);
}
wxProperty = pBll.GetModelList("iName='JsApiTicket' and wid=" + wid)[0];
double chajunSecond = (DateTime.Now - wxProperty.createDate.Value).TotalSeconds;
if (chajunSecond >= wxProperty.expires_in)
{ //从微信平台重新获得access_token
string type = "jsapi";
var url = string.Format("https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token={0}&type={1}",
accessToken, type);
JsApiTicketResult result = OneGulp.WeChat.HttpUtility.Get.GetJson <JsApiTicketResult>(url);
token = result.ticket;
//更新到数据库里
wxProperty.iContent = token;
wxProperty.createDate = DateTime.Now;
wxProperty.expires_in = result.expires_in;
pBll.Update(wxProperty);
}
else
{
token = wxProperty.iContent;
}
}
catch (Exception ex)
{
error = "获得getJsApiTicket出错:" + ex.Message;
WXLogs.AddLog(wid, "getJsApiTicket", "获得getJsApiTicket", "WeiXinPF.WeiXinComm.getJsApiTicket" + error);
}
return(token);
}