网站:http://www.dgxt.com/ProjectArticlesArray-70-1.aspx
代码:
string url = "http://www.dgxt.com/ProjectArticlesArray-70-1.aspx";
HttpWebRequest myRequest = (HttpWebRequest)HttpWebRequest.Create(url);
myRequest.Method = "GET";
myRequest.Headers.Add("Accept-Language", "zh-cn,en-us;q=0.8,zh-hk;q=0.6,ja;q=0.4,zh;q=0.2");
HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();---------这一步如果没有加上面的一句报“System.Net.WebException: 远程服务器返回错误: (500) 内部服务器错误。“
可以通过google浏览器获取这个网站的请求头部信息。通过程序把这些头部信息加进去,这样就可以获取到网页的源码。
代码:
string url = "https://data.cathaylife.cn/servlet/HttpDispatcher/KAA0_0100/prompt?newTxRequest=true&syscode=DA&subcode=KAA0";
HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url);
myRequest.Method = "GET";
myRequest.Proxy = null;
myRequest.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:11.0) Gecko/20100101 Firefox/11.0";
myRequest.Headers.Add("Accept-Language", "zh-cn,en-us;q=0.8,zh-hk;q=0.6,ja;q=0.4,zh;q=0.2");
myRequest.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
ServicePointManager.ServerCertificateValidationCallback = delegate { return true; };
ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3;----------如果这句不加的话会报” 基础连接已经关闭: 发送时发生错误。 ---> System.IO.IOException: 由于远程方已关闭传输流,身份验证失败。“ 加了这句就可以通过程序来获得网页的源码。
HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();