主题：简单授权

If e.host = "xxxxxxxxxx" Then '需要授权才能访问的域名
    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
        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")
        End If
    Else
        UserId = e.Cookies("userid") '否则从cookie中提取userid和username
    End If
    'MessageBox.Show(UserId)
    Dim Verified As Boolean
    Dim dr As DataRow = DataTables("姓名").Find("编号 ='" & UserId & "'") '根据openid找出对应的行
    If UserId  > "" AndAlso dr IsNot Nothing AndAlso dr("permit") = True '授权成功
        Verified  = True
        UserName = dr("name")
        e.AppendCookie("userid",UserId) '将userid和username存储在Cookie中
    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
        Dim ul As String = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=xxxxxx&redirect_uri=http%3a%2f%2fxxxxxxxx%2fdefault.htm&response_type=code&scope=snsapi_base&state=123#wechat_redirect"
        sb.Append("<meta http-equiv='Refresh' c>") '跳转到授权链接
        e.WriteString(sb.ToString)
        Return
    End If
    If Verified = False Then
        sb.AppendLine("你无权访问本系统")

        e.WriteString(sb.ToString)

    Else
       wb.InsertHTML("<meta http-equiv='Refresh' c>")
        e.WriteString(wb.Build)
        Return '这个要怎么写，网页出不来呢，一直在刷新
    End If
   
End If
 

后面授权成功后进不到首页

default.htm代码：

Dim e As RequestEventArgs = args(0)
Dim wb As WeUI=args(1)        
        With wb.AddGrid("","g1")
            .Add("c1","领用单", "./images/lingyong.png","lingyongqingding.htm")
           
             .Add("c4","领用审核", "./images/lingyongsh.png","lingyongshenheqingdang.htm")
           
            .Add("c2","表单查询", "./images/chaxunbd.png", "filter.htm")
            .Add("c3","系数查询", "./images/chaxunxs.png", "XSCX1.htm")
          
        End With
e.WriteString(wb.Build)