获取下载网页源代码

    void Test()
    {
        HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://www.baidu.com/");
        WebResponse response = request.GetResponse();
        Stream resStream = response.GetResponseStream();
        StreamReader sr = new StreamReader(resStream);
        string str = sr.ReadToEnd();
        Debug.Log(str);
    }