Fork me on GitHub

使用HttpWebrequest对网站进行模拟操作(附登陆百度demo)

 


   这篇文章是在博客园正式的第一篇文章。


 

不出意外 以后将在web的方向发展,前段时间把老早以前做过的webqq机器人重做了一遍,算是对winform的告别吧,巩固了C#方面的知识。

   本篇主要介绍了我对模拟http请求方式的介绍和理解。(博客的样式是自己写的,有木有感觉好看呢(•‾̑⌣‾̑•)✧˖°)

 

public string GetHtml(string url, string Referer, Encoding encode, bool SaveCookie)
        {
            HttpWebRequest req = WebRequest.Create(url) as HttpWebRequest;
            req.Method = "GET";
            req.CookieContainer = this.CookieContainer;
            req.Proxy = null;
            if (!string.IsNullOrEmpty(Referer))
                req.Referer = Referer;
            using (HttpWebResponse hwr = req.GetResponse() as HttpWebResponse)
            {
                if (SaveCookie)
                {
                    this.CookieCollection = hwr.Cookies;
                    this.CookieContainer.GetCookies(req.RequestUri);
                }
                using (StreamReader SR = new StreamReader(hwr.GetResponseStream(), encode))
                {
                    return SR.ReadToEnd();
                }
            }
        }

 

  

 public string PostHtml(string url, string Referer, string data, Encoding encode, bool SaveCookie)
        {
            HttpWebRequest req = WebRequest.Create(url) as HttpWebRequest;
            req.CookieContainer = this.CookieContainer;
            req.ContentType = "application/x-www-form-urlencoded";
            req.Method = "POST";
            req.UserAgent = "Mozilla/5.0 (Windows NT 5.1; rv:30.0) Gecko/20100101 Firefox/30.0";
            req.Proxy = null;
            req.ProtocolVersion = HttpVersion.Version10;
            if (!string.IsNullOrEmpty(Referer))
                req.Referer = Referer;
            byte[] mybyte = Encoding.Default.GetBytes(data);
            req.ContentLength = mybyte.Length;
            using (Stream stream = req.GetRequestStream())
            {
                stream.Write(mybyte, 0, mybyte.Length);
            }
            using (HttpWebResponse hwr = req.GetResponse() as HttpWebResponse)
            {
                if (SaveCookie)
                {
                    this.CookieCollection = hwr.Cookies;
                    this.CookieContainer.GetCookies(req.RequestUri);
                }
                using (StreamReader SR = new StreamReader(hwr.GetResponseStream(), encode))
                {
                    return SR.ReadToEnd();
                }
            }
        }

 

 

小结

1.这是我封装的一个httphelp类中的一部分,get貌似不需要那些像什么UserAgent,ContentType之类的东西

2.POST请求中一般要设置ContentType和UserAgent

3.默认请求是GET

 

 

每次请求之后保存CookieContainer即可,赋给下一次请求的httpwebrequest

 

posted on 2015-01-15 20:47  上位者的怜悯  阅读(8552)  评论(83编辑  收藏  举报