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我使用的是流讀取器來得到一些網頁的HTML,但也有我想要忽略線路,如是否符合<span>
VB.net如何讓流讀取器忽略一些行?
任何建議開始? 這裏是我的功能
Public Function GetPageHTMLReaderNoPrx(ByVal address As Uri) As StreamReader
Dim request As HttpWebRequest
Dim response As HttpWebResponse = Nothing
Dim reader As StreamReader
Try
request = DirectCast(WebRequest.Create(address), HttpWebRequest)
response = DirectCast(request.GetResponse(), HttpWebResponse)
Select Case CType(response, Net.HttpWebResponse).StatusCode
Case 200
reader = New StreamReader(response.GetResponseStream(), Encoding.Default)
Case Else
MsgBox(CType(response, Net.HttpWebResponse).StatusCode)
End Select
Catch
If Not response Is Nothing Then response.Close()
End Try
Return reader
End Function
這是HTML的樣子
<tr>Text
<span>show all</span>
</tr>
你確定你正在做的是正確的?通常使用HTML,你不應該看線,而是考慮HTML標籤。 – Neolisk
@Neolisk這行開頭是這樣的&nbsp,我想忽略它 – user1570048
@並且它以結尾,在同一行中沒有其他標籤,它使用字符串,它工作正常,除了我想用讀者 – user1570048