主题：关于内部函数与HTTPrequest的问题

 Dim fl As String = ProjectPath & "web\" & e.path
If filesys.FileExists(fl)
    Dim idx As Integer = fl.LastIndexOf(".")
    Dim ext As String  = fl.SubString(idx)
    Select Case ext
        Case ".jpg",".jpeg", ".gif",".png",".bmp",".wmf",".js",".css" ,".html",".htm",".zip",".rar"
            e.WriteFile(fl)
            Return '这里必须返回
    End Select
End If

Dim servip As String = e.request.LocalEndPoint.ToString()

Dim wb As New weui
wb.AppendHTML("<style>.weui_grid_icon{width: 40px;height: 40px;}</style>")
wb.AppendHTML("<style>.fox_grid_icon{width: 40px;height: 40px;vertical-align: middle;background-size: 40px 40px;}</style>")

'身份验证
If  e.Path <> "zc.htm" Then
    Dim Verified As Boolean '用于标记用户是否通过了身份验证
    Dim UserName As String = e.Cookies("username") '从cookie中获取用户名
    Dim Password As String = e.Cookies("password") '从cookie中获取用户密码
    If e.Path = "logon.htm" '如果是通过登录页面访问,从PostValues即可中提取用户名和密码
        If e.PostValues.ContainsKey("username") AndAlso e.PostValues.ContainsKey("password")  Then
            UserName = e.PostValues("username")
            Password = e.PostValues("password")
        End If
    End If
    Dim usr As DataRow = DataTables("ustbl").SQLFind("usnm = '" & UserName & "'")
    If usr IsNot Nothing AndAlso usr("uspw") = Password Then
        Verified  = True
    End If
    If Verified AndAlso e.Path = "logon.htm"  Then '如果用户访问的是登录页,且身份验证成功
        Dim userid As String = usr("usid")
        Dim usernc As String = usr("usnc")
        wb.AppendCookie("username",UserName) '将用户名和密码写入cookie
        wb.AppendCookie("password",Password)
        wb.AppendCookie("userid",userid)
        wb.AppendCookie("usernc",usernc)
        wb.InsertHTML("<meta http-equiv='refresh' c>")'直接跳转到首页
        e.WriteString(wb.Build) '生成网页
        Return '必须的
    ElseIf Verified = False AndAlso e.Path <> "logon.htm" Then '如果用户身份验证失败,且访问的不是登录页面
        wb.InsertHTML("<meta http-equiv='refresh' c>")'直接跳转到登录页
        e.WriteString(wb.Build) '生成网页
        Return '必须的
    End If
End If
'开始生成网页
Select Case e.path
    Case "logon.htm" '登录页面
        Functions.Execute("usdenglu",e)
    Case "exit.htm" '退出登录
        Functions.Execute("eixt",e)
    Case "default.htm" '首页
        Functions.Execute("default",e)
    Case "zc.htm"
        Functions.Execute("zcym",e)
    Case "yh.htm"
        Functions.Execute("yonghu",e)
    Case "xgmm.htm"
        Functions.Execute("gaimm",e)
    Case "xxsc.htm"
        Functions.Execute("xxsc",e)
    Case "wdfbxx.htm"
        Functions.Execute("wdfbxx",e)
    Case "xxchakan.htm"
        Functions.Execute("xxchakan",e)
    Case "xqxx.htm"
        Functions.Execute("xqxx",e)
End Select
e.WriteString(wb.Build) '生成网页

 老师帮忙看一下，感觉是换成内部函数后，浏览很不流畅，页面之间的切换变得卡顿了