问题
I am trying to "behind the scenes" log myself into a website, from the VB code behind my ASP.NET website. But I am dumbfounded as to how to do this.
As far as I know I should be using the WebRequest or Webclient class. That is about as much as I know. I am not sure how to use the class.
I want to click a button on my website and have its Click event send a username and password to another website. This other site isot affiliated with mine. I realize the concept may seem stupid, but I plan on taking this further later, but Just need to know this now.
If anyone could give me some code example with explanation or direct me to a good tutorial that would be greatly appreciated!
If it helps at all, the website I am trying to log into is www.Lockerz.com
Thanks!
回答1:
If the client site uses basic authentication you can add credentials like this:
WebRequest myReq = WebRequest.Create(url);
CredentialCache mycache = new CredentialCache();
mycache.Add(new Uri(url), "Basic", new NetworkCredential(username, password));
myReq.Credentials = mycache;
If it uses form login, you can use Fiddler to sniff the data posted on a login, and perform the same request from a HttpWebRequest object. You might want to handle cookies as well if you have to perform multiple requests with the logged in user.
Reference:
- Cookies: Automatic Cookie Handling C#/.NET HttpWebRequest+HttpWebResponse
- Cookies and POST: HttpWebRequest POST and Cookies
- Download class: Characters in string changed after downloading HTML from the internet
来源：https://stackoverflow.com/questions/3198105/including-login-credentials-with-a-webrequest