::
管理
2008年3月14日
using System;
using System.Windows.Forms;
using System.Web;
using System.Security.Permissions;
namespace WindowsFormsApplication2
{
[PermissionSet(SecurityAction.Demand, Name = "FullTrust")]
[System.Runtime.InteropServices.ComVisibleAttribute(true)]
public partial class JsCallWinFun : Form
{
private WebBrowser webBrowser1 = new WebBrowser();
private Button button1 = new Button();
//[STAThread]
//public static void Main()
//{
// Application.EnableVisualStyles();
// Application.Run(new Form1());
//}
public JsCallWinFun()
{
button1.Text = "call script code from client code";
button1.Dock = DockStyle.Top;
button1.Click += new EventHandler(button1_Click);
webBrowser1.Dock = DockStyle.Fill;
Controls.Add(webBrowser1);
Controls.Add(button1);
Load += new EventHandler(Form1_Load);
}
private void Form1_Load(object sender, EventArgs e)
{//客户端脚本调用WinFrom方法示例
webBrowser1.AllowWebBrowserDrop = false;
webBrowser1.IsWebBrowserContextMenuEnabled = true;
webBrowser1.WebBrowserShortcutsEnabled = false;
webBrowser1.ObjectForScripting = this;
// Uncomment the following line when you are finished debugging.
//webBrowser1.ScriptErrorsSuppressed = true;
webBrowser1.DocumentText =
"<html><head><script>" +
"function test(message) { alert(message); }" +
"</script></head><body><button " +
"onclick=\"window.external.Test('called from script code')\">" +
"call client code from script code</button>" +
"</body></html>";
}
public void Test(String message)
{
MessageBox.Show(message, "client code");
}
private void button1_Click(object sender, EventArgs e)
{
//WinFrom调用客户端脚本示例
webBrowser1.Document.InvokeScript("test",
new String[] { "called from client code" });
}
}
}
/// <summary> 登录
/// </summary> /// <param name="url"></param> /// <param name="paramList"></param>
/// <returns></returns>
public static string Login(String url, String paramList) { HttpWebResponse res = null; string strResult = ""; try
{ HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url); req.Method = "POST"; req.ContentType = "application/x-www-form-urlencoded"; req.AllowAutoRedirect = false; CookieContainer cookieCon = new CookieContainer(); req.CookieContainer = cookieCon; StringBuilder UrlEncoded = new StringBuilder(); Char[] reserved = { '?', '=', '&' }; byte[] SomeBytes = null; if (paramList != null) { int i = 0, j; while (i < paramList.Length) { j = paramList.IndexOfAny(reserved, i); if (j == -1) { UrlEncoded.Append(HttpUtility.UrlEncode(paramList.Substring(i, paramList.Length - i))); break;
} UrlEncoded.Append(HttpUtility.UrlEncode(paramList.Substring(i, j - i))); UrlEncoded.Append(paramList.Substring(j, 1)); i = j + 1; } SomeBytes = Encoding.UTF8.GetBytes(UrlEncoded.ToString()); req.ContentLength = SomeBytes.Length; Stream newStream = req.GetRequestStream(); newStream.Write(SomeBytes, 0, SomeBytes.Length); newStream.Close(); } else { req.ContentLength = 0; } res = (HttpWebResponse)req.GetResponse(); cookieheader = req.CookieContainer.GetCookieHeader(new Uri(url)); Stream ReceiveStream = res.GetResponseStream(); Encoding encode = System.Text.Encoding.GetEncoding("GBK"); StreamReader sr = new StreamReader(ReceiveStream, encode); Char[] read = new Char[256]; int count = sr.Read(read, 0, 256); while (count > 0) { String str = new String(read, 0, count); strResult += str; count = sr.Read(read, 0, 256); } } catch (Exception e) { strResult = e.ToString(); } finally { if (res != null) { res.Close(); } } return strResult; } /// <summary> 获取页面HTML /// </summary> /// <param name="url"></param> /// <param name="paramList"></param> /// <returns></returns> public static string getPage(String url, String paramList) { HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url); req.Headers["If-None-Match"] = "36d0ed736e88c71:d9f"; req.Referer = "http://website/login.do"; CookieContainer cookieCon = new CookieContainer(); req.CookieContainer = cookieCon; req.CookieContainer.SetCookies(new Uri(url), cookieheader); HttpWebResponse res = (HttpWebResponse)req.GetResponse(); StreamReader sr = new StreamReader(res.GetResponseStream(),Encoding.Default); string strResult = sr.ReadToEnd(); sr.Close(); return strResult; } string postData = "userName=admin&password=pass&area=2006&Submit=%B5%C7+%C2%BC";
string strLogin, strResult;
strLogin = Login("http://website/login.do", postData);
strResult = getPage("http://website/tohjtree.do", "");
//输出
this.webBrowser1.Document.Write(strResult);
