ASP有函数可以把某个网页通过STREAM下载

2008-02-23 09:44:50来源:互联网 阅读 ()

新老客户大回馈,云服务器低至5折

<script language="vbscript">
Function bytes2BSTR(vIn)

Dim strReturn,i,ThisCharCode,innerCode,Hight8,Low8,NextCharCode
strReturn = ""

For i = 1 To LenB(vIn)
ThisCharCode = AscB(MidB(vIn,i,1))
If ThisCharCode < &H80 Then
strReturn = strReturn & Chr(ThisCharCode)
Else
NextCharCode = AscB(MidB(vIn,i 1,1))
strReturn = strReturn & Chr(CLng(ThisCharCode) * &H100 CInt(NextCharCode))
i = i 1
End If
Next

bytes2BSTR = strReturn
End Function
</script>
<script language="javascript">
var xmlhttp= new ActiveXObject("Msxml2.xmlhttp")
xmlhttp.open("GET","http://www.csdn.net/",false)
xmlhttp.send()
alert(bytes2BSTR(xmlhttp.ResponseBody))
</script>

ASP版本的:

<script language="vbscript">
Function bytes2BSTR(vIn)

Dim strReturn,i,ThisCharCode,innerCode,Hight8,Low8,NextCharCode
strReturn = ""

For i = 1 To LenB(vIn)
ThisCharCode = AscB(MidB(vIn,i,1))
If ThisCharCode < &H80 Then
strReturn = strReturn & Chr(ThisCharCode)
Else
NextCharCode = AscB(MidB(vIn,i 1,1))
strReturn = strReturn & Chr(CLng(ThisCharCode) * &H100 CInt(NextCharCode))
i = i 1
End If
Next

bytes2BSTR = strReturn

End Function

Dim xmlhttp
set xmlhttp=Server.CreateObject("Msxml2.xmlhttp")
xmlhttp.open "GET","http://www.csdn.net/",false
xmlhttp.send
response.write bytes2BSTR(xmlhttp.ResponseBody)
</script>

C#版本的:
http://www.ccw.com.cn/htm/center/prog/02_5_9_2.asp

using System.IO;
using System.Net;
using System.Text;

private void button1_Click(object sender, System.EventArgs e)
{

}

byte[] buf = new byte[38192];
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(textBox1.Text);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream resStream = response.GetResponseStream();
int count = resStream.Read(buf, 0, buf.Length);
textBox2.Text = Encoding.Default.GetString(buf, 0, count);
resStream.Close();

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