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Form1.cs：源码内容

							﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.IO;
namespace WebRequestAndResponse
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void btnGet_Click(object sender, EventArgs e)
        {
            WebRequest req = WebRequest.Create(tbURL.Text);
            WebResponse res = req.GetResponse();
            Stream ReceiveStream = res.GetResponseStream();
            Encoding ecode = Encoding.GetEncoding("utf-8");
            StreamReader sr = new StreamReader(ReceiveStream, ecode);
            Char[] ReadBuffer = new char[256];
            int nCount = sr.Read(ReadBuffer, 0, 256);
            while (nCount > 0)
            {
                string str = new string(ReadBuffer, 0, nCount);
                tbContent.Text += str;
                nCount = sr.Read(ReadBuffer, 0, 256);
            }
        }
        private void btnGet2_Click(object sender, EventArgs e)
        {
            WebRequest req = WebRequest.Create(tbURL.Text);
            req.Method = "POST";
            req.ContentType = "application/x-www.form-urlencoded";
            byte[] bData = null;
            bData = Encoding.UTF8.GetBytes(tbPostData.Text);
            req.ContentLength = bData.Length;
            Stream newStream = req.GetRequestStream();
            newStream.Write(bData, 0, bData.Length);
            newStream.Close();
            WebResponse res = req.GetResponse();
            Stream ReceiveStream = res.GetResponseStream();
            Encoding ecode = Encoding.GetEncoding("utf-8");
            StreamReader sr = new StreamReader(ReceiveStream, ecode);
            Char[] ReadBuffer = new char[256];
            int nCount = sr.Read(ReadBuffer, 0, 256);
            while (nCount > 0)
            {
                string str = new string(ReadBuffer, 0, nCount);
                tbContent.Text += str;
                nCount = sr.Read(ReadBuffer, 0, 256);
            }
        }
    }
}

						