WebClient

参考链接：http://www.cnblogs.com/hfliyi/archive/2012/08/21/2649892.html

/// <summary>
/// 读取指定uri的html
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Button1_Click(object sender, EventArgs e)
{
WebClient wc = new WebClient();
string uri = "http://www.baidu.com";
Stream stream = wc.OpenRead(uri);
StreamReader sr = new StreamReader(stream);
string result = "";
while (!string.IsNullOrEmpty(result = sr.ReadLine()))
{
Response.Write(result);
}
sr.Close();
}
/// <summary>
/// 向指定Uri写入数据
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Button2_Click(object sender, EventArgs e)
{
WebClient wc = new WebClient();
string uri = "E:/a.txt";
Stream stream = wc.OpenWrite(uri, "PUT");
StreamWriter sw = new StreamWriter(stream);
sw.WriteLine("WebClinet的测试");
sw.Flush();
sw.Close();
Response.Write("OK ");
}
/// <summary>
/// 把本地文件上传到指定的Uri
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Button3_Click(object sender, EventArgs e)
{
WebClient wc = new WebClient();
string targePath = "F:/a.txt";
string sourcePath = "E:/a.txt";
byte[] bt = wc.UploadFile(targePath, "PUT", sourcePath);
Response.Write(Encoding.ASCII.GetString(bt));
}
/// <summary>
/// 把数据缓冲区上载到指定资源
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Button4_Click(object sender, EventArgs e)
{
WebClient wc = new WebClient();
string targePth = "F:/QQ截图20150320192104.png";
string sourcePath = "E:/一刻印记.jpg";
FileStream fs = new FileStream(sourcePath, FileMode.Open, FileAccess.Read);
byte[] bt = new byte[fs.Length];
fs.Read(bt, 0, bt.Length);
wc.UploadData(targePth, bt);
}