VB.NET通过URL POST请求和GET请求

Public Shared Function GetData(ByVal url As String, ByVal data As String) As String

Dim request As HttpWebRequest = WebRequest.Create(url + "?" + data)
request.Method = "GET"
Dim sr As StreamReader = New StreamReader(request.GetResponse().GetResponseStream)
Return sr.ReadToEnd
End Function

Public Shared Function PostData(ByVal url As String, ByVal data As String) As String

ServicePointManager.Expect100Continue = False
Dim request As HttpWebRequest = WebRequest.Create(url)
'//Post请求方式
request.Method = "POST"

'内容类型
request.ContentType = "application/x-www-form-urlencoded"
'将URL编码后的字符串转化为字节
Dim encoding As New UTF8Encoding()
Dim bys As Byte() = encoding.GetBytes(data)
'设置请求的 ContentLength
request.ContentLength = bys.Length
'获得请 求流
Dim newStream As Stream = request.GetRequestStream()
newStream.Write(bys, 0, bys.Length)
newStream.Close()
'获得响应流
Dim sr As StreamReader = New StreamReader(request.GetResponse().GetResponseStream)
Return sr.ReadToEnd
End Function

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