如果想开发半自动的注册机程序,那么把验证码读取到winform里面,然后提交数据是必须的流程,这篇博文记录一下如何抓取网页上面的验证码,注意不是验证码识别。有的网站会验证Cookie,有的不会,本文包含Cookie读取提交。
首先生命一个全局的Cookie变量
- private CookieContainer cookie = new System.Net.CookieContainer();
程序加载的时候读取验证码和Cookie
- public Form1()
- {
- InitializeComponent();
-
- string checkcodeUrl = "验证码的url";
-
- try
- {
-
- HttpWebRequest request = (HttpWebRequest)WebRequest.Create(checkcodeUrl);
-
- request.CookieContainer = new CookieContainer();
-
- Stream responseStream = ((HttpWebResponse)request.GetResponse()).GetResponseStream();
-
- cookie = request.CookieContainer;
-
- string cookiesstr = request.CookieContainer.GetCookieHeader(request.RequestUri);
-
- Image original = Image.FromStream(responseStream);
-
- Bitmap bitMap = new Bitmap(original);
-
- this.pictureBox1.Image = bitMap;
-
- responseStream.Close();
-
- }
- catch (Exception exception)
- {
-
- MessageBox.Show("ERROR:" + exception.Message);
-
- }
- }
提交数据
- HttpWebRequest webrequest = (HttpWebRequest)WebRequest.Create(url);
- webrequest.CookieContainer = cookie;
- HttpWebResponse response = (HttpWebResponse)webrequest.GetResponse();
- StreamReader read = new StreamReader(response.GetResponseStream(), Encoding.Default);
- string text = read.ReadToEnd();
如果有看不懂的欢迎留言咨询,只写了一部分必须的代码。
本站仅提供存储服务,所有内容均由用户发布,如发现有害或侵权内容,请
点击举报。