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'上传文件
Public Function uploadTheFile(ByVal uploadUrl As String,ByVal uploadFileName As String) As String
Dim HostUrl As New System.Uri(uploadUrl)
Dim request As System.Net.HttpWebRequest
Dim fs As New System.IO.FileStream(uploadFileName,FileMode.Open,FileAccess.Read) '得到本地文件的数据流
request = CType(System.Net.WebRequest.Create(HostUrl),System.Net.HttpWebRequest)
request.Timeout = 1000 * 5 * 60 '设置超时值30秒
request.Method = "POST" '传送方式
request.KeepAlive = True
request.ContentLength = fs.Length '设置传送的数据长度
Dim PostStream As Stream = request.GetRequestStream() '发送请求
Dim b(1024) As Byte
Dim n As Integer
'向服务器写入文件
n = fs.Read(b,b.Length)
Do While n > 0
PostStream.Write(b,n)
n = fs.Read(b,b.Length)
Loop
fs.Flush() '清空缓冲区
fs.Close()
'以上向服务器 POST 信息。
'以下是获取服务器返回信息
Dim response As System.Net.HttpWebResponse = CType(request.GetResponse(),System.Net.HttpWebResponse)
Dim ReStream As StreamReader = New StreamReader(response.GetResponseStream,
System.Text.Encoding.GetEncoding("GB2312"))
Dim resStr As String = ReStream.ReadToEnd() MsgBox(response.StatusCode.ToString) '向网络服务器 POST 后返回的状态码，成功则返回"OK" response.Close() '关闭 End Fu （编辑：李大同）
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