如何获取目标HTML页面上表格中的内容

通过httpwebrequest抓取，再使用正则格式化

System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(url)

request.UserAgent = "Mozilla/4.0 (compatibleMSIE 8.0Windows NT 5.1Trident/4.0.NET CLR 2.0.50727.NET CLR 3.0.04506.648.NET CLR 3.5.21022)"

System.Net.WebResponse response = request.GetResponse()

System.IO.Stream resStream = response.GetResponseStream()

System.IO.StreamReader sr = new System.IO.StreamReader(resStream, encoding)

string html = (sr.ReadToEnd())

resStream.Close()

sr.Close()

_blank，在新窗口显示目标网页

_self，在当前窗口显示目标网页

_parent，框架网页中当前整个窗口位置显示目标网页

_top，框架网页中在上部窗口中显示目标网页

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