private void button1_Click(object sender, EventArgs e) { string loginUrl = this.textBox1.Text; if (string.IsNullOrEmpty(loginUrl)) { MessageBox.Show("请填写URL"); return; } string sendcontent = this.textBox3.Text; HttpWebResponse response = HttpUtility.CreateGetHttpResponse(loginUrl, 120 * 1000, "", null); using (Stream stream = response.GetResponseStream()) { StreamReader sr = new StreamReader(stream, Encoding.UTF8); string content = sr.ReadToEnd(); sr.Close(); this.textBox2.Text = content; } }