Dim e As RequestEventArgs = args(0)
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"))
MessageBox.Show("获取微信accesstoken:" & Functions.Execute("GetQYAccessToken"))
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
MessageBox.Show("没有code,userid:" & e.Cookies("userid"))
End If
Dim Verified As Boolean
Dim dr As DataRow = DataTables("微信用户表").Find("userid ='" & UserId & "'") '根据openid找出对应的行
If UserId > "" AndAlso dr IsNot Nothing AndAlso dr("permit") = True '授权成功
MessageBox.Show("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
MessageBox.Show("进入授权链接.")
Dim ul As String = "https://open.weixin.qq.com/connect/oauth2/authorize?appid={0}&redirect_uri={1}&response_type=code&scope=snsapi_base&state=123#wechat_redirect"
Dim ul2 As String = UrlEncode("https://yxdwxoxrk.fredcfengye.com/wxentrance")
ul = CExp(ul,"ww78ccca7608362047",ul2)
MessageBox.Show(ul)
sb.Append("<meta http-equiv='Refresh' c>") '跳转到授权链接
e.WriteString(sb.ToString)
Return Nothing
End If
If Verified = False Then
sb.AppendLine("你无权访问本系统")
Else
sb.AppendLine("欢迎" & UserName & " , <a href='https://yxdwxoxrk.fredcfengye.com/wxentrance'>刷新页面</a>")
End If
e.WriteString(sb.ToString)
加好友 
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Post By：2019/7/1 20:24:00 [只看该作者]
