public List GetUrl()
{
try
{
string url = "http://baijia.baidu.com/";
WebRequest webRequest = WebRequest.Create(url);
WebResponse webResponse = webRequest.GetResponse();
StreamReader reader = new StreamReader(webResponse.GetResponseStream());
string result = reader.ReadToEnd();
reader.Close();
webResponse.Close();
return AnalysisHtml(result);
}
catch (Exception ex)
{
throw ex;
}
}
public List AnalysisHtml(string htmlContent)
{
List list = new List();
string strPattern = "(?[^<]+)</a></h4>.*\\s*<p\\s*class=\"feeds-item-text\">(?<Abstract>[^<]+)<a\\s*href=\"(?<Url>.*)\"\\s*target=\"_blank\"\\s*class=\"feeds-item-more\"\\s*mon=\".*\\s*\">.*\\s*</a></p>";
Regex regex = new Regex(strPattern, RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.CultureInvariant);
if (regex.IsMatch(htmlContent))
{
MatchCollection matchCollection = regex.Matches(htmlContent);
foreach (Match match in matchCollection)
{
string[] str = new string[3];
str[0] = match.Groups[1].Value;//获取到的是列表数据的标题
str[1] = match.Groups[2].Value;//获取到的是内容
str[2] = match.Groups[3].Value;//获取到的是链接到的地址
list.Add(str);
}
}
return list;
}
</pre></div><p><strong>附：</strong>完整实例代码点击此处<strong>本站下载</strong>。</p><p><strong>PS：这里再为大家提供2款非常方便的正则表达式工具供大家参考使用：</strong></p><p><strong>JavaScript正则表达式在线测试工具：<br /></strong>http://tools.jb51.net/regex/javascript</p><p><strong>正则表达式在线生成工具：<br /></strong>http://tools.jb51.net/regex/create_reg</p><p>更多关于C#相关内容感兴趣的读者可查看本站专题：《C#正则表达式用法总结》、《C#编码操作技巧总结》、《C#常见控件用法教程》、《WinForm控件用法总结》、《C#数据结构与算法教程》、《C#面向对象程序设计入门教程》及《C#程序设计之线程使用技巧总结》</p><p>希望本文所述对大家C#程序设计有所帮助。</p>
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名称栏目：C#.Net基于正则表达式抓取百度百家文章列表的方法示例 <br>
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