vb点虐 读网址 vbnet webbrowser

求VB.NET读取网页内容写法

Imports System.Net

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Imports System.IO

Imports System.Text.RegularExpressions

Public Class Form1

Private Sub button1_Click(sender As Object, e As EventArgs) Handles Button1.Click

Dim stream As IO.Stream = WebRequest.Create(UrlAdress).GetResponse().GetResponseStream()

'注意urladress为你上面的网页地址。

Dim sr As StreamReader = New StreamReader(stream, System.Text.Encoding.UTF8)

Label1.Text = Regex.Match(sr.ReadToEnd, "回答采纳率").ToString

'sr。readtoend读取网页流到末尾,即使用正则表达式从网页流中提取“回答采纳率”,赋值给Label1.Text ‘没有则为空

sr.Dispose() '关闭流

End Sub'要提取什么东西用正则表达式最好

End Class

vb点虐 怎样用代码实现打开网址

System.Diagnostics.Process.Start("")

或者用 WebBrowser控件,代码 WebBrowser1.Url = New System.Uri("")

vb点虐 如何获取当前浏览器的网址

(转自网络)

Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

WebBrowser1.Navigate("")

End Sub

Private Sub WebBrowser1_DocumentTitleChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles WebBrowser1.DocumentTitleChanged

Me.Text = WebBrowser1.Document.Url.ToString

End Sub

vb点虐 如何读取其他人的网页,并且可以自动判断编码的哪种?求函数

'******************************

'函数名:GetHtml

'作 用:读取其他网站页面内容

'参 数:Url是要读取的网站地址

'返回值:读取后的网站内容

'******************************

Function GetHtml(ByVal Url As String, ByVal bm As String) As String

Dim httpReq As System.Net.HttpWebRequest

Dim httpResp As System.Net.HttpWebResponse

Dim httpURL As New System.Uri(Url)

Dim respHTML As String = ""

httpReq = CType(WebRequest.Create(httpURL), HttpWebRequest)

httpReq.Method = "GET"

Try

httpResp = CType(httpReq.GetResponse(), HttpWebResponse)

httpReq.KeepAlive = False ' 获取或设置一个值,该值指示是否与 Internet资源建立持久连接。

Dim reader As StreamReader = New StreamReader(httpResp.GetResponseStream, System.Text.Encoding.GetEncoding(bm))

respHTML = reader.ReadToEnd() 'respHTML就是网页源代码

Catch

respHTML = "zhongduan"

End Try

Return respHTML

End Function


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