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畢業(yè)季優(yōu)秀個(gè)人作文

時(shí)間:2025-11-13 23:31:18 畢業(yè) 我要投稿

畢業(yè)季優(yōu)秀個(gè)人作文

  利用XMLHTTP檢測或監測URL,確認某個(gè)網(wǎng)頁(yè)或網(wǎng)站是否可以正常訪(fǎng)問(wèn)?

畢業(yè)季優(yōu)秀個(gè)人作文

  如何利用XMLHTTP探測服務(wù)器信息?檢測網(wǎng)頁(yè)

  Microsoft XML Version 2.0 (C:WinntSystem32msxml.dll)

  Option Explicit

  Private XmlHTTP As New XMLHTTPRequest

  Private vUrl As String

  Private vNumber As String

  Private vDescription As String

  Private vSource As String

  Public Sub Connect()

  On Error GoTo ErrorHandle:

  XmlHTTP.Open \”Get\”, Url, False

  XmlHTTP.send

  ErrorHandle:

  Call GetErrorHeadle(XmlHTTP)

  End Sub

  Private Sub GetErrorHeadle(ByRef XmlHTTP As XMLHTTPRequest)

  If XmlHTTP.readyState <> 4 Then

  Exit Sub

  End If

  If XmlHTTP.Status = 404 Then

  Number = \”404\”

  Description = \”該網(wǎng)頁(yè)不存在\”

  ElseIf XmlHTTP.Status < 200 Then

  Number = XmlHTTP.Status

  Description = \”客戶(hù)端錯誤,信息:\” & CStr(XmlHTTP.Status) & \” \” & XmlHTTP.statusText

  ElseIf XmlHTTP.Status < 300 Then

  Number = XmlHTTP.Status

  Description = \”成功,該網(wǎng)頁(yè)能訪(fǎng)問(wèn)。\”

  ElseIf XmlHTTP.Status < 400 Then

  Number = XmlHTTP.Stauts

  Description = \”重定向,信息:\” & CStr(XmlHTTP.Status) & \” \” & XmlHTTP.statusText

  ElseIf XmlHTTP.Status < 500 Then

  Number = XmlHTTP.Status

  Description = \”客戶(hù)端錯誤,信息:\” & CStr(XmlHTTP.Status) & \” \” & XmlHTTP.statusText

  ElseIf XmlHTTP.Status < 600 Then

  Number = XmlHTTP.Status

  Description = \”服務(wù)器錯誤,信息:\” & CStr(XmlHTTP.Status) & \” \” & XmlHTTP.statusText

  Else

  Number = XmlHTTP.Status

  Description = \”域名不可用或網(wǎng)絡(luò )連接錯誤,信息:\” & CStr(XmlHTTP.Status) & \” \” & XmlHTTP.statusText

  End If

  If XmlHTTP.Status < 600 Then Call GetHTTPServer

  End Sub

  Private Sub GetHTTPServer()

  Dim XmlServer As String

  XmlServer = XmlHTTP.getResponseHeader(\”Server\”)

  If XmlServer <> \”\” Then

  Source = Source & \”HTTP服務(wù)器:\” & XmlServer

  End If

  Source = Source & \”所有反饋信息:\” & XmlHTTP.getAllResponseHeaders

  End Sub

  Public Property Get Number() As String

  Number = vNumber

  End Property

  Public Property Let Number(ByVal Val As String)

  vNumber = Val

  End Property

  Public Property Get Description() As String

  Description = vDescription

  End Property

  Public Property Let Description(ByVal Val As String)

  vDescription = Val

  End Property

  Public Property Get Url() As String

  Url = vUrl

  End Property

  Public Property Let Url(ByVal Val As String)

  vUrl = Val

  End Property

  Public Property Get Source() As String

  Source = vSource

  End Property

  Private Property Let Source(ByVal Val As String)

  vSource = Val

  End Property

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