下面是没有文件上传的普通表单提交! Public Function PostDate(ByVal url As String, ByVal PostData() As String) As String
Dim Post As String = ""
For Each s As String In PostData
Post += s + "&"
Next
Post = Post.Substring(0, Post.Length - 1)
Dim html As String = "" Dim encoding As Encoding = encoding.GetEncoding("GB2312")
Dim data As Byte() = encoding.GetBytes(Post)
Dim myRequest As HttpWebRequest = CType(WebRequest.Create(url), HttpWebRequest)
myRequest.Method = "POST"
myRequest.ContentType = "application/x-www-form-urlencoded"
myRequest.ContentLength = data.Length
Dim newStream As Stream = myRequest.GetRequestStream()
newStream.Write(data, 0, data.Length)
newStream.Close()
Dim resp As HttpWebResponse = CType(myRequest.GetResponse(), HttpWebResponse)
Dim sr As StreamReader = New StreamReader(resp.GetResponseStream(), System.Text.Encoding.Default)
html = sr.ReadToEnd() Return html
End Function
Dim Post As String = ""
For Each s As String In PostData
Post += s + "&"
Next
Post = Post.Substring(0, Post.Length - 1)
Dim html As String = "" Dim encoding As Encoding = encoding.GetEncoding("GB2312")
Dim data As Byte() = encoding.GetBytes(Post)
Dim myRequest As HttpWebRequest = CType(WebRequest.Create(url), HttpWebRequest)
myRequest.Method = "POST"
myRequest.ContentType = "application/x-www-form-urlencoded"
myRequest.ContentLength = data.Length
Dim newStream As Stream = myRequest.GetRequestStream()
newStream.Write(data, 0, data.Length)
newStream.Close()
Dim resp As HttpWebResponse = CType(myRequest.GetResponse(), HttpWebResponse)
Dim sr As StreamReader = New StreamReader(resp.GetResponseStream(), System.Text.Encoding.Default)
html = sr.ReadToEnd() Return html
End Function
Dim postdata As String() = {"id=luajiu", "pw=xxxx", "ipmask=0"} Dim strUrl As String = "http://bbs.cau.edu.cn/wusetu.cn/bbslogin"
Dim SessionHtml As String = PostDate(strUrl, postdata)这个是提交后得到返回的HTML
你主要改一下的返回流的保存 保存成pdf就OK了!