httpclient 抓取网页(.net)
问题描述：本文设计java网页抓取，其中涉及到.net网站抓取，涉及到__VIEWSTATE等参数。参考文章：
httpclient入门：http://www.ibm.com/developerworks/cn/opensource/os-httpclient/
httpclient怎样自动登陆__VIEWSTATE验证的系统：http://wangrusheng5200.iteye.com/admin/blogs/new
核心代码：
String url = "http://www.2552.net/Book/LC/1.aspx";// 构造HttpClient的实例HttpClient httpClient = new HttpClient();PostMethod postMethod = new PostMethod(url);postMethod.addParameter("__VIEWSTATE","省略");postMethod.addParameter("__EVENTTARGET", "_ctl0:pager");postMethod.addParameter("__EVENTARGUMENT", "2");httpClient.executeMethod(postMethod);String body = postMethod.getResponseBodyAsString();System.out.println(body);
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