基本信息
源码名称:C# 获取网页源代码的三种方式(WebClient/WebRequest/HttpWebRequest)
源码大小:0.07M
文件格式:.rar
开发语言:C#
更新时间:2016-01-07
友情提示:(无需注册或充值,赞助后即可获取资源下载链接)
嘿,亲!知识可是无价之宝呢,但咱这精心整理的资料也耗费了不少心血呀。小小地破费一下,绝对物超所值哦!如有下载和支付问题,请联系我们QQ(微信同号):78630559
本次赞助数额为: 2 元×
微信扫码支付:2 元
×
请留下您的邮箱,我们将在2小时内将文件发到您的邮箱
源码介绍
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;
using System.Net.Mail;
namespace GetHTML
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private string savePath = System.Environment.GetFolderPath(Environment.SpecialFolder.Desktop) "\\urlHtml.txt";
private void btnGet_Click(object sender, EventArgs e)
{
if (this.txtUrl.Text == "")
{
return;
}
DateTime dtNow = DateTime.Now;
string strHTML = "";
switch (this.tabControl1.SelectedTab.Text)
{
case "WebClient":
strHTML = GetWebClient(this.txtUrl.Text);
break;
case "WebRequest":
strHTML = GetWebRequest(this.txtUrl.Text);
break;
case "HttpWebRequest":
strHTML = GetHttpWebRequest(this.txtUrl.Text);
break;
default:
break;
}
TimeSpan span = DateTime.Now - dtNow;
MessageBox.Show("用时:[" span.ToString() "]");
System.IO.File.WriteAllText(savePath, strHTML, System.Text.Encoding.GetEncoding(this.txtEncoder.Text));
System.Diagnostics.Process.Start(savePath);
}
private string GetWebClient(string url)
{
string strHTML = "";
WebClient myWebClient = new WebClient();
Stream myStream = myWebClient.OpenRead(url);
StreamReader sr = new StreamReader(myStream, System.Text.Encoding.GetEncoding(this.txtEncoder.Text));
strHTML = sr.ReadToEnd();
myStream.Close();
return strHTML;
}
private string GetWebRequest(string url)
{
Uri uri = new Uri(url);
WebRequest myReq = WebRequest.Create(uri);
WebResponse result = myReq.GetResponse();
Stream receviceStream = result.GetResponseStream();
StreamReader readerOfStream = new StreamReader(receviceStream, System.Text.Encoding.GetEncoding(this.txtEncoder.Text));
string strHTML = readerOfStream.ReadToEnd();
readerOfStream.Close();
receviceStream.Close();
result.Close();
return strHTML;
}
private string GetHttpWebRequest(string url)
{
Uri uri = new Uri(url);
HttpWebRequest myReq = (HttpWebRequest)WebRequest.Create(uri);
myReq.UserAgent = "User-Agent:Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705";
myReq.Accept = "*/*";
myReq.KeepAlive = true;
myReq.Headers.Add("Accept-Language", "zh-cn,en-us;q=0.5");
HttpWebResponse result = (HttpWebResponse)myReq.GetResponse();
Stream receviceStream = result.GetResponseStream();
StreamReader readerOfStream = new StreamReader(receviceStream, System.Text.Encoding.GetEncoding(this.txtEncoder.Text));
string strHTML = readerOfStream.ReadToEnd();
readerOfStream.Close();
receviceStream.Close();
result.Close();
return strHTML;
}
private void btnSend_Click(object sender, EventArgs e)
{
MailMessage mailMessage = new MailMessage();
mailMessage.To.Add(this.txtTo.Text);
mailMessage.From = new System.Net.Mail.MailAddress(this.txtFrom.Text);
mailMessage.Subject = this.txtTitle.Text;
mailMessage.Body = this.txtContent.Text;
mailMessage.IsBodyHtml = true;
mailMessage.BodyEncoding = System.Text.Encoding.UTF8;
mailMessage.Priority = System.Net.Mail.MailPriority.Normal;
SmtpClient smtpClient = new SmtpClient();
smtpClient.Credentials = new System.Net.NetworkCredential(mailMessage.From.Address, this.txtPassword.Text);
smtpClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;
smtpClient.Host = "smtp." mailMessage.From.Host;
smtpClient.Port = 25;
smtpClient.Timeout = 3000;
smtpClient.EnableSsl = false;
smtpClient.Send(mailMessage);
}
}
}