ASPX保存远程图片到本地的两种方法的函数

     Function UpRemoteFileToLocal(ByVal UpType As String, ByVal RemoteUrl As String, ByVal LocalFile As String) As Boolean
   Dim TmpResult As Boolean = False
   Select Case UpType
   Case "xmlhttp"
   'With MSXML2
   Dim myXmlHttp As New MSXML2.XMLHTTP40
   myXmlHttp.open("GET", RemoteUrl, False)
   myXmlHttp.send()
   Dim FS As FileStream = New FileStream(LocalFile, FileMode.CreateNew)
   Dim BW As BinaryWriter = New BinaryWriter(FS)
   BW.Write(myXmlHttp.responseBody)
   BW.Close()
   FS.Close()
   TmpResult = True
   Case "webclient"
   'With System.Net NameSpace
   Dim myWebClient As New WebClient
   myWebClient.DownloadFile(RemoteUrl, LocalFile)
   TmpResult = True
   End Select
   End Function