笔记用的，有事没事常看看
类代码
using System;
using System.Collections.Generic;
using System.Text;
using System.Web;
using System.Net;
using System.IO;
namespace 织梦登录
{
class XiaoBin
{
CookieContainer cookies = new CookieContainer();
/// <summary>
/// 登录
/// </summary>
/// <param name="url">目标页面</param>
/// <param name="fromstr">来路地址</param>
/// <param name="data">要提交的数据</param>
/// <returns></returns>
public string Login(string url, string fromstr, string data)
{
login1(url, fromstr, data);
Encoding enc = Encoding.GetEncoding("gb2312");
string RegStr = "系统错误，请重试";//返回的文字信息
try
{
HttpWebRequest Request = (HttpWebRequest)WebRequest.Create(url);
Request.CookieContainer = cookies;
Request.Accept = "text/html, application/xhtml+xml, */*";
Request.Method = "post";
Request.UserAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)";
Request.ContentType = "application/x-www-form-urlencoded";
Request.Referer = fromstr;
Request.Headers["Accept-Language"] = "zh-cn";
string s = data;
byte[] Shuju = enc.GetBytes(s);
Request.ContentLength = Shuju.Length;
//提交数据
Stream outstream = Request.GetRequestStream();
outstream.Write(Shuju, 0, Shuju.Length);
outstream.Close();
//获取响应
HttpWebResponse res = (HttpWebResponse)Request.GetResponse();
if (res.StatusCode == HttpStatusCode.OK)//状态ok
{
//获取响应后的数据
StreamReader reader = new StreamReader(res.GetResponseStream(), enc);
Char[] read = new Char[256];
int count = reader.Read(read, 0, 256);
string str = null;
while (count > 0)
{
str += new String(read, 0, count);
count = reader.Read(read, 0, 256);
}
foreach (Cookie cookie in res.Cookies)
cookies.Add(cookie);
reader.Close();
outstream.Close();
res.Close();
RegStr = str;//返回登录后的Html源码 可以通过内容判断是否登录成功
}
}
catch
{ }
return RegStr;
}
private void login1(string url, string fromstr, string data)
{
Encoding enc = Encoding.GetEncoding("gb2312");
string RegStr = "系统错误，请重试";//返回的文字信息
try
{
HttpWebRequest Request = (HttpWebRequest)WebRequest.Create(url);
Request.CookieContainer = cookies;
Request.Accept = "text/html, application/xhtml+xml, */*";
Request.Method = "post";
Request.UserAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)";
Request.ContentType = "application/x-www-form-urlencoded";
Request.Referer = fromstr;
Request.Headers["Accept-Language"] = "zh-cn";
string s = data;
byte[] Shuju = enc.GetBytes(s);
Request.ContentLength = Shuju.Length;
//提交数据
Stream outstream = Request.GetRequestStream();
outstream.Write(Shuju, 0, Shuju.Length);
outstream.Close();
//获取响应
HttpWebResponse res = (HttpWebResponse)Request.GetResponse();
if (res.StatusCode == HttpStatusCode.OK)//状态ok
{
//获取响应后的数据
StreamReader reader = new StreamReader(res.GetResponseStream(), enc);
Char[] read = new Char[256];
int count = reader.Read(read, 0, 256);
string str = null;
while (count > 0)
{
str += new String(read, 0, count);
count = reader.Read(read, 0, 256);
}
foreach (Cookie cookie in res.Cookies)
cookies.Add(cookie);
reader.Close();
outstream.Close();
res.Close();
RegStr = str;
}
}
catch
{ }
}
public string getlm(string url, string fromstr)
{
Encoding enc = Encoding.GetEncoding("gb2312");
string RegStr = "系统错误，请重试";//返回的文字信息
try
{
HttpWebRequest Request = (HttpWebRequest)WebRequest.Create(url);
Request.CookieContainer = cookies;
Request.Accept = "text/html, application/xhtml+xml, */*";
Request.Method = "get";
Request.UserAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)";
Request.ContentType = "application/x-www-form-urlencoded";
Request.Referer = fromstr;
Request.Headers["Accept-Language"] = "zh-cn";
//获取响应
HttpWebResponse res = (HttpWebResponse)Request.GetResponse();
if (res.StatusCode == HttpStatusCode.OK)//状态ok
{
//获取响应后的数据
StreamReader reader = new StreamReader(res.GetResponseStream(), enc);
Char[] read = new Char[256];
int count = reader.Read(read, 0, 256);
string str = null;
while (count > 0)
{
str += new String(read, 0, count);
count = reader.Read(read, 0, 256);
}
foreach (Cookie cookie in res.Cookies)
cookies.Add(cookie);
reader.Close();
res.Close();
RegStr = str;
}
}
catch
{ }
return RegStr;
}
}
}再看主窗体下的代码。
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Text.RegularExpressions;
namespace 织梦登录
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
XiaoBin xb = new XiaoBin();
xb.Login("http://localhost/dede/login.php",
"http://localhost/dede/login.php",
"gotopage=&dopost=login&adminstyle=newdedecms&userid=admin&pwd=a123456");
//该方法有返回值 字符串
string s = xb.getlm("http://localhost/dede/article_add.php?channelid=1",
"http://localhost/dede/index_menu.php");//该方法有返回值 字符串
List<string> lms = new List<string>();
lms = GetLMs(s);
foreach (string i in lms)
textBox1.AppendText(i+Environment.NewLine);
}
/// <summary>
/// 获取栏目数组
/// </summary>
/// <param name="lmstr"></param>
/// <returns></returns>
public List<string> GetLMs(string lmstr)
{
//栏目名称中不能含有─
lmstr = lmstr.Remove(lmstr.IndexOf("【<u>选择副栏目</u>】"));
List<string> lms = new List<string>();
Regex reg = new Regex("<option value=.*?</option>");
MatchCollection m = reg.Matches(lmstr);
string lm = "";
string lid = "";
foreach (Match mm in m)
if (!mm.Value.ToString().Contains("<option value='0'>请选择栏目...</option>"))
{
lm = mm.Value.ToString();
lm = lm.Substring(lm.IndexOf("'") + 1);
lid = lm.Remove(lm.IndexOf("'"));
lm = lm.Substring(lm.IndexOf(">") + 1);
lm = lm.Remove(lm.IndexOf("</option>"));
lm = lm.Replace("─", "");//去掉子栏目标示符号
lm = lid + "|" + lm;
lms.Add(lm);
}
return lms;
}
}
}