Dim UserId As String
        Dim UserName As String
        Dim sb As New StringBuilder
        sb.AppendLine("<meta name=\'viewport\' c>")
        If e.GetValues.ContainsKey("code") Then \'如果通过授权链接跳转而来,就根据传递过来的code参数调用接口,获取用户的UserId
            MessageBox.Show("通过授权链接进入")
            Dim ul As String  = "https://qyapi.weixin.qq.com/cgi-bin/user/getuserinfo?access_token={0}&code={1}"
            ul = CExp(ul,Functions.Execute("GetQYAccessToken"),e.GetValues("code"))
            Dim hc As new HttpClient(ul)
            Dim jo As JObject = JObject.Parse(hc.GetData)
            If jo("UserId") IsNot Nothing Then
                UserId = jo("UserId")

程序提示  授权链接进入后  马上报

1、The underlying connection was closed: An unexpected error occurred on a send.
Received an unexpected EOF or 0 bytes from the transport stream.
 
2、Error reading JObject from JsonReader. Path \'\', line 0, position 0.

之前还没事的，哪里出错了吗

Static CreateTime As Date \'记录最近一次生成access_token的时间
Static AccessTocken As String \'记录最近一次生成的access_token
Dim CorpID As String=  Vars("qyid") \'企业号的CorpID
Dim Secret As String = Vars("yysecret") \'管理组的Secret
Dim tp As TimeSpan = Date.Now - CreateTime
If tp.TotalSeconds > 3600 Then
    Dim url As String = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid={0}&corpsecret={1}"
    Dim hc As New HttpClient(CExp(url, CorpID, Secret))
    Dim ret As String = hc.GetData()
\'Dim hc As new HttpClient(ul)
Dim res As String = hc.GetData
msgbox(res)

    If ret = "" Then \'如果失败,再尝试一次
        hc.GetData()
    End If
    CreateTime = Date.Now()
    Dim jo As JObject = JObject.Parse(ret)
    If jo("errcode")  IsNot Nothing  Then
        AccessTocken = jo("access_token")
    Else

        Dim dr As Row = Tables("报错").AddNew
        dr("时间") = Date.Now()
        dr("错误信息") = jo.Tostring
        dr("地址") = ret
        \'       MessageBox.show("获取access_token失败,原因:" & vbcrlf & jo.ToString)
    End If
End If
Return AccessTocken

这里没动过，刚刚做了 提示

---------------------------

---------------------------
https://qyapi.weixin.qq.com/cgi-bin/user/getuserinfo?access_token=&code=4gUujiAkQ5lkcpUb60Ji7c86nvsZotN7IDlsCRR4T_o
---------------------------
确定  
---------------------------
 

 在命令窗口 执行 有时会报错，意外中断 有时有返回值

此主题相关图片如下：企业微信截图_20210103182343.png

 
此主题相关图片如下：企业微信截图_20210103182438.png

access_token 值是正确的

好像程序 执行的是  

ElseIf e.GetValues.ContainsKey("code") = False Then \'如果授权失败,且不是通过授权链接跳转而来,那么就跳转到授权链接
 MessageBox.Show("1")
            Dim ul As String = "https://open.weixin.qq.com/connect/oauth2/authorize?appid={0}&redirect_uri={1}&response_type=code&scope=snsapi_base&agentid={2}&state=STATE#wechat_redirect"
            Dim ul2 As String = UrlEncode(Vars("yyzy"))
            ul = CExp(ul,Vars("qyid"),ul2,Vars("yyid"))

            MessageBox.Show(ul)

此主题相关图片如下：1.png

和下面的报错

The underlying connection was closed: An unexpected error occurred on a send.
Received an unexpected EOF or 0 bytes from the transport stream.

就是跳转到 执行

ElseIf e.GetValues.ContainsKey("code") = False Then \'如果授权失败,且不是通过授权链接跳转而来,那么就跳转到授权链接

在ie里访问  提示要在企业微信里打开

在企业微信里打开 就 会出现

服务器是win2003 ，测试电脑是64 位win10，之前还可以的。关键是我手机访问也这样，不知道发生什么了

我加上后试试 ，辛苦了

  Dim url As String = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid={0}&corpsecret={1}"
Net.ServicePointManager.SecurityProtocol = Net.SecurityProtocolType.Tls11

    Dim hc As New HttpClient(CExp(url, CorpID, Secret))
    Dim ret As String = hc.GetData()

加上了 还是一样的效果

我现在换下服务器，换成win2008 r2 的 试试

换了服务器 正常了，什么原因呢？ 感谢版主耐心指导