操作IE
///
/// 获取IE句柄
///
///
/// 根据元素信息获取坐标
///
/// 元素ID
/// 元素内容 格式: input|登 录
///
/// 寻找子元素获取坐标
///
/// 返回找到的元素
///
/// 寻找子元素获取坐标
///
/// 返回找到的元素
/// table|blog.tianya.cn|a|天涯
///
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Text;
using System.Windows.Forms;
using mshtml;
using SHDocVw;
namespace WebClick_Tool
{
///
/// IE浏览器操作
///
public class IETool
{
///
/// IE句柄
///
public int IEHandle { get; set; }
///
/// 浏览器
///
public IWebBrowser2 IEBrowser { get; set; }
///
/// 当前页面Document
///
public HTMLDocumentClass Document { get; set; }
///
/// 浏览器标头高度
///
public int BrowserH { get; set; }
///
/// 初始化是否成功
///
public bool Suc { get; set; }
///
/// 头部标题
///
public string HeadTitle { get; set; }
///
/// 失败头部标题
///
public string BadHeadTitle { get; set; }
///
/// 浏览器高度
///
public int HeighBro { get; set; }
public IETool(string HeadTitleO,string BadTitle)
{
HeadTitle = HeadTitleO;
BadHeadTitle = BadTitle;
HeighBro = -1;
if (GetHandleOfBrowser())
Suc = true;
else
Suc = false;
try
{
GetHtml(false);
}
catch { }
}
#region 系统API
///
/// 找窗口句柄
///
///
///
///
/// 窗体发送消息
///
///
///
///
///
///
/// 获取IE句柄
///
///
/// IE窗体最大化
///
public void SetMaxStyle(int Handle)
{
SendMessage(new IntPtr((Handle != 0 ? Handle : IEHandle)), 274, 61488, 0);
}
///
/// 获取源代码
///
///
/// 根据元素信息获取坐标
///
/// 元素ID
/// 元素内容 格式: input|登 录
///
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace IHtmlDocument
{
public class HTMLHelper
{
///
/// 通过指定URL地址，返回Document对象
///
/// LocationURL
///
/// 通过窗口句柄获取Document对象
///
///
///
/// 通过进程名获得主窗口句柄
///
/// 进程名
/// 窗口句柄对象
public static IntPtr GetProcessMainFormHandle(string processName)
{
IntPtr m_WindowHandle = IntPtr.Zero;
System.Diagnostics.Process pro = null;
System.Diagnostics.Process[] pros = System.Diagnostics.Process.GetProcessesByName(processName);
if (pros.Length > 0)
{
pro = pros[0];
m_WindowHandle = pro.MainWindowHandle;
}
return m_WindowHandle;
}
[DllImport("User32.dll", EntryPoint = "FindWindow")]
public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
[DllImport("User32.dll", EntryPoint = "FindWindowEx")]
public static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);
[DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]
public static extern IntPtr GetForegroundWindow(); //当前获得焦点窗口的句柄
[DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]
public static extern int ShowWindow(IntPtr hwnd, int nCmdShow); //nCmdShow 0关闭窗口 1正常大小窗口 2最小化窗口 3最大化窗口
}
}
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace IHtmlDocument
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private int height = 0;
private mshtml.HTMLDocument doc = null;
private void button1_Click(object sender, EventArgs e)
{
System.Diagnostics.Process.Start(@"C:\Program Files\Internet Explorer\IEXPLORE.EXE", textBox1.Text);
}
private void button2_Click(object sender, EventArgs e)
{
//获取Document对象
doc = HTMLHelper.GetHTMLDocumentByURL(this.textBox1.Text);
if (doc != null)
{
//获取body对象
mshtml.IHTMLElement body = doc.body;
this.textBox2.Text = doc.title; //获取标题
this.textBox3.Text = body.outerHTML; //获取body
this.textBox4.Text = doc.documentElement.outerHTML; //获取html
this.textBox5.Text = body.offsetHeight.ToString(); //网页内容高度
height = body.offsetHeight;
}
else
{
MessageBox.Show("未找到对象。");
}
}
private void button3_Click(object sender, EventArgs e)
{
if (doc != null)
{
doc.parentWindow.scrollTo(0, 0);
}
else
{
MessageBox.Show("未找到对象，先获取。");
}
}
private void button4_Click(object sender, EventArgs e)
{
if (doc != null)
{
doc.parentWindow.scrollTo(0, height / 2);
}
else
{
MessageBox.Show("未找到对象，先获取。");
}
}
private void button5_Click(object sender, EventArgs e)
{
if (doc != null)
{
doc.parentWindow.scrollTo(0, height);
}
else
{
MessageBox.Show("未找到对象，先获取。");
}
}
private void button6_Click(object sender, EventArgs e)
{
if (doc != null)
{
mshtml.IHTMLElementCollection inputs = doc.getElementsByTagName("input");
foreach (mshtml.IHTMLElement b in inputs)
{
if (b.className == this.textBox7.Text) //class="search-value"
{
b.innerText = this.textBox6.Text; //文本框赋值
}
}
}
else
{
MessageBox.Show("未找到对象，先获取。");
}
}
private void button7_Click(object sender, EventArgs e)
{
if (doc != null)
{
mshtml.IHTMLElementCollection inputs = doc.getElementsByTagName("span");
foreach (mshtml.IHTMLElement b in inputs)
{
if (b.className == "attention-sale d-attention") //class="attention-sale d-attention"
{
b.click();
}
}
}
else
{
MessageBox.Show("未找到对象，先获取。");
}
}
private void button8_Click(object sender, EventArgs e)
{
if (doc != null)
{
System.Threading.ThreadPool.QueueUserWorkItem((o) =>
{
int h = 0;
while (h < height)
{
h += 5;
mshtml.IHTMLElement body = doc.body;
height = body.offsetHeight;
this.BeginInvoke(new MethodInvoker(() => {
if (h >= height)
{
doc.parentWindow.scrollTo(0, height);
}
else
{
doc.parentWindow.scrollTo(0, h);
}
}));
System.Threading.Thread.Sleep(10);
}
});
}
else
{
MessageBox.Show("未找到对象，先获取。");
}
}
//问题一：IE API没有选项卡属性支持，在多选项卡时无法判断当前活动选项卡。
//问题二：获取滚动条当前位置，总是返回0
private void button9_Click(object sender, EventArgs e)
{
//IntPtr whand = HTMLHelper.GetProcessMainFormHandle("iexplore");
IntPtr whand = HTMLHelper.FindWindow("IEFrame", null);
//获取Document对象
doc = HTMLHelper.GetHTMLDocumentByIntPtr(whand.ToInt32());
if (doc != null)
{
//获取body对象
mshtml.IHTMLElement body = doc.body;
this.textBox2.Text = doc.title; //获取标题
this.textBox3.Text = body.outerHTML; //获取body
this.textBox4.Text = doc.documentElement.outerHTML; //获取html
this.textBox5.Text = body.offsetHeight.ToString(); //网页内容高度
height = body.offsetHeight;
}
else
{
MessageBox.Show("未找到对象。");
}
}
}
}