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  • C#.net模拟提交表单POST

    方法一、
    System.Net.WebClient WebClientObj        = new System.Net.WebClient();
       System.Collections.Specialized.NameValueCollection PostVars  = new System.Collections.Specialized.NameValueCollection();
       PostVars.Add("A1","0");
       PostVars.Add("A2","0");
       PostVars.Add("A3","000");

       try
       {
        byte[] byRemoteInfo   = WebClientObj.UploadValues("http://www.lovezhao.com/vote.asp","POST",PostVars);
        //下面都没用啦,就上面一句话就可以了
        string sRemoteInfo   = System.Text.Encoding.Default.GetString(byRemoteInfo); 
        //这是获取返回信息
        richTextBox_instr.Text  += sRemoteInfo;
       }
       catch
       {}



    方法二、
    string url = "网址";
    HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
    string s = "要提交的数据";
    byte[] requestBytes = System.Text.Encoding.ASCII.GetBytes (LoginInfo);
    req.Method = "POST";
    req.ContentType = "application/x-www-form-urlencoded";
    req.ContentLength = requestBytes.Length;
    Stream requestStream = req.GetRequestStream();
    requestStream.Write(requestBytes,0,requestBytes.Length);
    requestStream.Close();
    HttpWebResponse res = (HttpWebResponse)req.GetResponse();
    StreamReader sr = new StreamReader(res.GetResponseStream(), System.Text.Encoding.Default);
    string backstr = sr.ReadToEnd(); Response.Write(line); sr.Close(); res.Close();
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  • 原文地址:https://www.cnblogs.com/MaxWoods/p/1630918.html
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