如何从互联网读取文件? [英] How to read a file from internet?

问题描述

一个简单的问题: 我有一个在线文件(txt).如何阅读并检查其内容? (C#.net 2.0)

simple question: I have an file online (txt). How to read it and check if its there? (C#.net 2.0)

推荐答案

来自 http://www.csharp-station.com/HowTo/HttpWebFetch.aspx

    HttpWebRequest  request  = (HttpWebRequest)
        WebRequest.Create("myurl");

        // execute the request
        HttpWebResponse response = (HttpWebResponse)
            request.GetResponse();
            // we will read data via the response stream
        Stream resStream = response.GetResponseStream();
    string tempString = null;
    int    count      = 0;

    do
    {
        // fill the buffer with data
        count = resStream.Read(buf, 0, buf.Length);

        // make sure we read some data
        if (count != 0)
        {
            // translate from bytes to ASCII text
            tempString = Encoding.ASCII.GetString(buf, 0, count);

            // continue building the string
            sb.Append(tempString);
        }
    }
    while (count > 0); // any more data to read?

    // print out page source
    Console.WriteLine(sb.ToString());

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