vb.net httpwebrequest使用google链接获取html
上面是我从网页获取html的代码。如果输入这样的内容,我会遇到问题 它给了我vb.net httpwebrequest使用google链接获取html,vb.net,httpwebrequest,Vb.net,Httpwebrequest,上面是我从网页获取html的代码。如果输入这样的内容,我会遇到问题 它给了我 Imports System.Net Imports System.IO Public Class Form1 Public Function GetHTML(ByVal url As Uri) As String Dim HTML As String Dim Request As HttpWebRequest Dim Response As HttpWebR
Imports System.Net
Imports System.IO
Public Class Form1
Public Function GetHTML(ByVal url As Uri) As String
Dim HTML As String
Dim Request As HttpWebRequest
Dim Response As HttpWebResponse
Dim Reader As StreamReader
Try
Request = HttpWebRequest.Create(url)
Response = Request.GetResponse
Reader = New StreamReader(Response.GetResponseStream())
HTML = Reader.ReadToEnd
Catch ex As Exception
HTML = Nothing
End Try
Return HTML
End Function
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
Dim url As Uri = New Uri(TextBox1.Text)
TextBox2.Text = GetHTML(url)
End Sub
End Class
window.googleJavaScriptRedirect=1
var f={};
f、 导航到=功能(b、a、g){
if(b!=a&&b.google)
{
如果(b.google.r)
{
b、 google.r=0;
b、 location.href=g;
a、 位置。替换(“关于:空白”);
}
}
其他的
{
a、 位置.更换(g);
}
};
f、 导航到(window.parent,window,“http://www.vbforums.com/showthread.php?p\x3d3434187”);
而不是
如何让我的代码执行重定向并获取html?从元标记中删除url,然后发出新请求。对于scraping,我推荐使用HtmlAgilityPack,您可以在下载或使用NuGet安装它。从meta标记中删除url,然后发出新请求。对于scraping,我推荐使用HtmlAgilityPack,您可以在下载或使用NuGet安装它
<script>window.googleJavaScriptRedirect=1</script>
<script>
var f={};
f.navigateTo=function(b,a,g){
if(b!=a&&b.google)
{
if(b.google.r)
{
b.google.r=0;
b.location.href=g;
a.location.replace("about:blank");
}
}
else
{
a.location.replace(g);
}
};
f.navigateTo(window.parent,window,"http://www.vbforums.com/showthread.php?p\x3d3434187");
</script>
<noscript>
<META http-equiv="refresh" content="0;URL='http://www.vbforums.com/showthread.php?p=3434187'">
</noscript>