基本信息
源码名称:C#编的API例程 网页SPY(提取网页元素)
源码大小:0.05M
文件格式:.rar
开发语言:C#
更新时间:2019-06-27
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源码介绍
C#编的API例程 网页SPY
/* 程序名称:网页SPY(C#版)
* 作者:ecjob (86年出生,广东 寻 女人/项目/工作)
* 日期:2008-10-18
* */
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Runtime.InteropServices;
using mshtml;
namespace WebSpy
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
#region DLL函数
[DllImport("user32.dll", EntryPoint = "SetCapture")]
public static extern int API_置鼠标到捕获窗口(IntPtr hwnd窗口句柄);
[DllImport("user32.dll", EntryPoint = "ReleaseCapture")]
public static extern int API_释放鼠标();
[DllImport("user32", EntryPoint = "RegisterWindowMessage")]
public static extern int API_注册字符串消息(string lpString);
//注意这个函数ObjectFromLresult的声明.
[DllImport("OLEACC.DLL", EntryPoint = "ObjectFromLresult")]
public static extern int API_取IEDocument(int lResult, ref System.Guid riid, int wParam,
[MarshalAs(UnmanagedType.Interface), In, Out]ref Object ppvObject);
[DllImport("user32.dll", EntryPoint = "WindowFromPoint")]
public static extern IntPtr API_取坐标窗口句柄(Point point);
[DllImport("user32.dll", EntryPoint = "SendMessageTimeout")]
public static extern int API_发送可超时消息(IntPtr hwnd,int msg,int wParam,int lParam,int fuFlags,int uTimeout,ref int lpdwResult);
[DllImport("user32.dll", EntryPoint = "GetClassName")]
public static extern int API_取窗口类名(IntPtr hwnd,StringBuilder lpClassName,int nMaxCount);
[DllImport("user32.dll", EntryPoint = "GetWindowRect")]
public static extern int API_取窗口矩形(IntPtr hwnd,ref Rectangle lpRect);
#endregion
#region 私有变量
private bool m_bln捕获鼠标 = false;
#endregion
#region 函数
private void fun取网页元素()
{
Rectangle o_rect = new Rectangle();
Point o_pot当前鼠标坐标 = Cursor.Position;
Point o_pot坐标 = new Point();
IntPtr o_inthwnd = fun取光标处句柄();
if (fun取窗口类名(o_inthwnd).Equals("Internet Explorer_Server"))
{
foreach (Control o_ctrl in groupBox2.Controls)
{
if (o_ctrl.GetType() == typeof(System.Windows.Forms.TextBox))
{
((TextBox)o_ctrl).Text = "";
}
}
API_取窗口矩形(o_inthwnd, ref o_rect);
o_pot坐标.X = o_pot当前鼠标坐标.X - o_rect.Left;
o_pot坐标.Y = o_pot当前鼠标坐标.Y - o_rect.Top;
mshtml.IHTMLDocument2 o_doc对象 = (mshtml.IHTMLDocument2)fun取IES对象(o_inthwnd);
IHTMLElement o_Element对象 = o_doc对象.elementFromPoint(o_pot坐标.X, o_pot坐标.Y);
//以下其实自己喜欢取什么就取什么
txt窗口句柄.Text = o_inthwnd.ToString();
txt页面地址.Text = o_doc对象.url.ToString();
txt元素.Text = o_Element对象.tagName;
txtID.Text = o_Element对象.id;
txt相关数据.Text = o_Element对象.innerText;
txt引用代码.Text = o_Element对象.outerHTML;
}
}
private object fun取IES对象(IntPtr intIES句柄)
{
Object domObject = new Object();
int int资源编号 = 0;
Guid guidIEDocument2 = new Guid(); //IHTMLDocument2的接口id
int WM_Html_GETOBJECT = API_注册字符串消息("WM_Html_GETOBJECT");
//开始查找指定的ie窗体
API_发送可超时消息(intIES句柄, WM_Html_GETOBJECT, 0, 0, 2, 1000, ref int资源编号);
int lreturn = API_取IEDocument(int资源编号, ref guidIEDocument2, 0, ref domObject);
return domObject;
}
private IntPtr fun取光标处句柄()
{
return (API_取坐标窗口句柄(Cursor.Position));
}
private string fun取窗口类名(IntPtr Hwnd)
{
StringBuilder strClassName = new StringBuilder(256);
API_取窗口类名(Hwnd, strClassName, strClassName.Capacity);
return strClassName.ToString();
}
//多加的小玩意
private Color fun随机颜色()
{
Random o_rnd = new Random(unchecked((int)DateTime.Now.Ticks));
byte o_红 = (byte)o_rnd.Next(0, 255);
System.Threading.Thread.Sleep(10);
byte o_绿 = (byte)o_rnd.Next(0, 255);
System.Threading.Thread.Sleep(10);
byte o_蓝 = (byte)o_rnd.Next(0, 255);
return Color.FromArgb(o_红, o_绿, o_蓝);
}
#endregion
#region 事件
private void picMouse_MouseDown(object sender, MouseEventArgs e)
{
m_bln捕获鼠标 = true;
picMouse.Image = null;
picMouse.Cursor = new Cursor(Properties.Resources.鼠标_十字.GetHicon());
API_置鼠标到捕获窗口(picMouse.Handle);
}
private void picMouse_MouseUp(object sender, MouseEventArgs e)
{
if (m_bln捕获鼠标)
{
API_释放鼠标();
m_bln捕获鼠标 = false;
picMouse.Cursor = Cursors.Hand;
picMouse.Image = Properties.Resources.鼠标_十字;
}
}
private void picMouse_MouseMove(object sender, MouseEventArgs e)
{
if (m_bln捕获鼠标)
{
fun取网页元素();
}
}
private void timer1_Tick(object sender, EventArgs e)
{
label8.ForeColor = fun随机颜色();
}
#endregion
}
}