实例介绍
【实例简介】
【实例截图】
【核心代码】
using commonlib.winapi;
using IEXPath.Properties;
using Microsoft.CSharp.RuntimeBinder;
using mshtml;
using System;
using System.ComponentModel;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq.Expressions;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Windows.Forms;
namespace IEXPath
{
public class frmIEXPath : Form
{
[CompilerGenerated]
private static class <calculate>o__SiteContainer0
{
public static CallSite<Func<CallSite, object, IHTMLElementCollection>> <>p__Site1;
public static CallSite<Func<CallSite, object, IHTMLElement>> <>p__Site2;
}
[CompilerGenerated]
private static class <getElementAttribute>o__SiteContainer3
{
public static CallSite<Func<CallSite, object, string>> <>p__Site4;
public static CallSite<Func<CallSite, object, string, object>> <>p__Site5;
}
private const string _VERSION = "1.0";
public int hotkeyId;
private Cursor moveCursor;
private IHTMLElement lastEle;
private char SPLIT = '"';
private IContainer components;
private GroupBox groupBox1;
private TextBox txtOuterHtml;
private Label label7;
private TextBox txtText;
private Label label6;
private TextBox txtHTML;
private Label label5;
private TextBox txtClass;
private Label label4;
private TextBox txtName;
private Label label3;
private TextBox txtID;
private Label label2;
private Label label1;
private ListBox lstXPath;
private PictureBox pictureBox1;
private LinkLabel linkLabel1;
private Timer timer1;
private TextBox txtTag;
private Label labletag;
private CheckBox chkCopy;
private CheckBox chkSplit;
public frmIEXPath()
{
this.InitializeComponent();
}
protected override void WndProc(ref Message m)
{
if (m.Msg == 786 && m.WParam.ToInt32() == this.hotkeyId)
{
this.captureIE();
}
base.WndProc(ref m);
}
private void frmIEXPath_Load(object sender, EventArgs e)
{
this.Text = "IEXPath - 1.0";
this.moveCursor = new Cursor(new MemoryStream(Resources.pen_r));
Win32API.SetWindowPos(base.Handle, -1, 0, 0, 0, 0, 3);
if (!Win32API.RegisterHotKey(base.Handle, this.hotkeyId, Win32API.KeyModifiers.None, Keys.F8))
{
MessageBox.Show("热键注册失败");
}
}
private void frmIEXPath_FormClosed(object sender, FormClosedEventArgs e)
{
Win32API.UnregisterHotKey(base.Handle, this.hotkeyId);
}
private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
Process.Start("https://github.com/xwjie/IEXPath");
}
public static object GetComObjectByHandle(int Msg, Guid riid, IntPtr hWnd)
{
int lResult = 0;
if (!Win32API.SendMessageTimeout(hWnd, Msg, 0, 0, 2, 1000, ref lResult))
{
return null;
}
object result;
if (Win32API.ObjectFromLresult(lResult, ref riid, 0, out result))
{
return null;
}
return result;
}
public object GetHtmlDocumentByHandle(IntPtr hWnd)
{
string a = new string('\0', 24);
Win32API.GetClassName(hWnd, ref a, 25);
if (a != "Internet Explorer_Server")
{
return null;
}
return frmIEXPath.GetComObjectByHandle(Win32API.WM_HTML_GETOBJECT, Win32API.IID_IHTMLDocument, hWnd);
}
private void timer1_Tick(object sender, EventArgs e)
{
this.captureIE();
}
private void captureIE()
{
try
{
IntPtr hWnd = Win32API.WindowFromPoint(Control.MousePosition);
IHTMLDocument2 iHTMLDocument = (IHTMLDocument2)this.GetHtmlDocumentByHandle(hWnd);
if (iHTMLDocument != null)
{
Point mousePosition = Control.MousePosition;
Win32API.ScreenToClient(hWnd, ref mousePosition);
IHTMLElement e = iHTMLDocument.elementFromPoint(mousePosition.X, mousePosition.Y);
this.readIEElement(e);
}
}
catch (Exception ex)
{
MessageBox.Show("发生了一些错误：" ex.Message);
}
}
private void readIEElement(IHTMLElement e)
{
if (this.lastEle == e)
{
return;
}
this.clearBorderHint();
this.lastEle = e;
if (e == null)
{
return;
}
e.style.setAttribute("outline", "2px solid red", 1);
this.txtID.Text = e.id;
this.txtName.Text = this.getElementAttribute(e, "NAME");
this.txtTag.Text = e.tagName;
this.txtText.Text = this.getElementAttribute(e, "VALUE");
this.txtClass.Text = e.className;
this.txtHTML.Text = e.innerHTML;
this.txtOuterHtml.Text = e.outerHTML;
this.extractXPath(e);
}
private void extractXPath(IHTMLElement e)
{
this.lstXPath.Items.Clear();
if (e.id != null)
{
this.addXPath(string.Concat(new object[]
{
"//*[@id=",
this.SPLIT,
e.id,
this.SPLIT,
"]"
}));
return;
}
this.addXPath(this.getXPathEx(e));
string elementAttribute = this.getElementAttribute(e, "NAME");
if (elementAttribute != "")
{
this.addXPath(string.Concat(new object[]
{
"//",
e.tagName,
"[@name=",
this.SPLIT,
elementAttribute,
this.SPLIT,
"]"
}));
}
if (e.className != null)
{
this.addXPath(string.Concat(new object[]
{
"//",
e.tagName,
"[@class=",
this.SPLIT,
e.className,
this.SPLIT,
"]"
}));
}
if (this.chkCopy.Checked)
{
Clipboard.SetText(this.lstXPath.Items[0].ToString());
}
}
private string getXPathEx(IHTMLElement e)
{
IHTMLElement iHTMLElement = e;
string text = "";
while (iHTMLElement != null)
{
if (iHTMLElement.id != null)
{
text = string.Concat(new object[]
{
"//*[@id=",
this.SPLIT,
iHTMLElement.id,
this.SPLIT,
"]",
text
});
break;
}
string str = this.extractCurrentXpath(iHTMLElement);
text = str text;
iHTMLElement = iHTMLElement.parentElement;
}
return text;
}
private string extractCurrentXpath(IHTMLElement current)
{
string text = "/" current.tagName;
int num = this.calculate(current);
if (num >= 1)
{
object obj = text;
text = string.Concat(new object[]
{
obj,
"[",
num,
"]"
});
}
return text;
}
private int calculate(IHTMLElement current)
{
if (current.parentElement == null)
{
return 0;
}
if (frmIEXPath.<calculate>o__SiteContainer0.<>p__Site1 == null)
{
frmIEXPath.<calculate>o__SiteContainer0.<>p__Site1 = CallSite<Func<CallSite, object, IHTMLElementCollection>>.Create(Microsoft.CSharp.RuntimeBinder.Binder.Convert(CSharpBinderFlags.ConvertExplicit, typeof(IHTMLElementCollection), typeof(frmIEXPath)));
}
IHTMLElementCollection iHTMLElementCollection = frmIEXPath.<calculate>o__SiteContainer0.<>p__Site1.Target(frmIEXPath.<calculate>o__SiteContainer0.<>p__Site1, current.parentElement.children);
int length = iHTMLElementCollection.length;
int result = 0;
int num = 0;
for (int i = 0; i < length; i )
{
if (frmIEXPath.<calculate>o__SiteContainer0.<>p__Site2 == null)
{
frmIEXPath.<calculate>o__SiteContainer0.<>p__Site2 = CallSite<Func<CallSite, object, IHTMLElement>>.Create(Microsoft.CSharp.RuntimeBinder.Binder.Convert(CSharpBinderFlags.None, typeof(IHTMLElement), typeof(frmIEXPath)));
}
IHTMLElement iHTMLElement = frmIEXPath.<calculate>o__SiteContainer0.<>p__Site2.Target(frmIEXPath.<calculate>o__SiteContainer0.<>p__Site2, iHTMLElementCollection.item(i, Missing.Value));
if (iHTMLElement == null)
{
break;
}
if (iHTMLElement.tagName == current.tagName)
{
num ;
if (iHTMLElement == current)
{
result = num;
}
}
}
if (num == 1)
{
return 0;
}
return result;
}
private void addXPath(string str)
{
this.lstXPath.Items.Add(str);
}
private string getElementAttribute(IHTMLElement e, string name)
{
object attribute = e.getAttribute(name, 0);
if (frmIEXPath.<getElementAttribute>o__SiteContainer3.<>p__Site4 == null)
{
frmIEXPath.<getElementAttribute>o__SiteContainer3.<>p__Site4 = CallSite<Func<CallSite, object, string>>.Create(Microsoft.CSharp.RuntimeBinder.Binder.Convert(CSharpBinderFlags.None, typeof(string), typeof(frmIEXPath)));
}
Func<CallSite, object, string> arg_AA_0 = frmIEXPath.<getElementAttribute>o__SiteContainer3.<>p__Site4.Target;
CallSite arg_AA_1 = frmIEXPath.<getElementAttribute>o__SiteContainer3.<>p__Site4;
object arg_AA_2;
if (!(attribute is DBNull))
{
if (frmIEXPath.<getElementAttribute>o__SiteContainer3.<>p__Site5 == null)
{
frmIEXPath.<getElementAttribute>o__SiteContainer3.<>p__Site5 = CallSite<Func<CallSite, object, string, object>>.Create(Microsoft.CSharp.RuntimeBinder.Binder.BinaryOperation(CSharpBinderFlags.None, ExpressionType.Add, typeof(frmIEXPath), new CSharpArgumentInfo[]
{
CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null),
CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.UseCompileTimeType | CSharpArgumentInfoFlags.Constant, null)
}));
}
arg_AA_2 = frmIEXPath.<getElementAttribute>o__SiteContainer3.<>p__Site5.Target(frmIEXPath.<getElementAttribute>o__SiteContainer3.<>p__Site5, attribute, "");
}
else
{
arg_AA_2 = "";
}
return arg_AA_0(arg_AA_1, arg_AA_2);
}
private void chkSplit_CheckedChanged(object sender, EventArgs e)
{
this.SPLIT = (this.chkSplit.Checked ? '\'' : '"');
}
private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
{
this.timer1.Enabled = true;
this.Cursor = this.moveCursor;
}
private void pictureBox1_MouseUp(object sender, MouseEventArgs e)
{
this.timer1.Enabled = false;
this.Cursor = Cursors.Default;
this.clearBorderHint();
}
private void clearBorderHint()
{
if (this.lastEle != null)
{
try
{
this.lastEle.style.setAttribute("outline", "", 1);
}
catch
{
}
}
}
private void txtID_DoubleClick(object sender, EventArgs e)
{
TextBox textBox = (TextBox)sender;
Clipboard.SetText(textBox.Text);
}
private void lstXPath_DoubleClick(object sender, EventArgs e)
{
if (this.lstXPath.SelectedIndex == -1)
{
return;
}
Clipboard.SetText(this.lstXPath.SelectedItem.ToString());
}
protected override void Dispose(bool disposing)
{
if (disposing && this.components != null)
{
this.components.Dispose();
}
base.Dispose(disposing);
}
private void InitializeComponent()
{
this.components = new Container();
ComponentResourceManager componentResourceManager = new ComponentResourceManager(typeof(frmIEXPath));
this.groupBox1 = new GroupBox();
this.txtTag = new TextBox();
this.labletag = new Label();
this.txtOuterHtml = new TextBox();
this.label7 = new Label();
this.txtText = new TextBox();
this.label6 = new Label();
this.txtHTML = new TextBox();
this.label5 = new Label();
this.txtClass = new TextBox();
this.label4 = new Label();
this.txtName = new TextBox();
this.label3 = new Label();
this.txtID = new TextBox();
this.label2 = new Label();
this.label1 = new Label();
this.lstXPath = new ListBox();
this.linkLabel1 = new LinkLabel();
this.timer1 = new Timer(this.components);
this.chkCopy = new CheckBox();
this.chkSplit = new CheckBox();
this.pictureBox1 = new PictureBox();
this.groupBox1.SuspendLayout();
((ISupportInitialize)this.pictureBox1).BeginInit();
base.SuspendLayout();
this.groupBox1.Anchor = (AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right);
this.groupBox1.Controls.Add(this.txtTag);
this.groupBox1.Controls.Add(this.labletag);
this.groupBox1.Controls.Add(this.txtOuterHtml);
this.groupBox1.Controls.Add(this.label7);
this.groupBox1.Controls.Add(this.txtText);
this.groupBox1.Controls.Add(this.label6);
this.groupBox1.Controls.Add(this.txtHTML);
this.groupBox1.Controls.Add(this.label5);
this.groupBox1.Controls.Add(this.txtClass);
this.groupBox1.Controls.Add(this.label4);
this.groupBox1.Controls.Add(this.txtName);
this.groupBox1.Controls.Add(this.label3);
this.groupBox1.Controls.Add(this.txtID);
this.groupBox1.Controls.Add(this.label2);
this.groupBox1.Location = new Point(12, 10);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new Size(325, 206);
this.groupBox1.TabIndex = 0;
this.groupBox1.TabStop = false;
this.txtTag.Anchor = (AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right);
this.txtTag.Location = new Point(68, 71);
this.txtTag.Name = "txtTag";
this.txtTag.Size = new Size(251, 21);
this.txtTag.TabIndex = 5;
this.txtTag.DoubleClick = new EventHandler(this.txtID_DoubleClick);
this.labletag.AutoSize = true;
this.labletag.Location = new Point(39, 80);
this.labletag.Name = "labletag";
this.labletag.Size = new Size(23, 12);
this.labletag.TabIndex = 12;
this.labletag.Text = "Tag";
this.txtOuterHtml.Anchor = (AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right);
this.txtOuterHtml.Location = new Point(68, 179);
this.txtOuterHtml.Name = "txtOuterHtml";
this.txtOuterHtml.Size = new Size(251, 21);
this.txtOuterHtml.TabIndex = 11;
this.txtOuterHtml.DoubleClick = new EventHandler(this.txtID_DoubleClick);
this.label7.AutoSize = true;
this.label7.Location = new Point(6, 188);
this.label7.Name = "label7";
this.label7.Size = new Size(59, 12);
this.label7.TabIndex = 10;
this.label7.Text = "OuterHTML";
this.txtText.Anchor = (AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right);
this.txtText.Location = new Point(68, 152);
this.txtText.Name = "txtText";
this.txtText.Size = new Size(251, 21);
this.txtText.TabIndex = 9;
this.txtText.DoubleClick = new EventHandler(this.txtID_DoubleClick);
this.label6.AutoSize = true;
this.label6.Location = new Point(27, 161);
this.label6.Name = "label6";
this.label6.Size = new Size(35, 12);
this.label6.TabIndex = 8;
this.label6.Text = "Value";
this.txtHTML.Anchor = (AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right);
this.txtHTML.Location = new Point(68, 125);
this.txtHTML.Name = "txtHTML";
this.txtHTML.Size = new Size(251, 21);
this.txtHTML.TabIndex = 7;
this.txtHTML.DoubleClick = new EventHandler(this.txtID_DoubleClick);
this.label5.AutoSize = true;
this.label5.Location = new Point(33, 134);
this.label5.Name = "label5";
this.label5.Size = new Size(29, 12);
this.label5.TabIndex = 6;
this.label5.Text = "HTML";
this.txtClass.Anchor = (AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right);
this.txtClass.Location = new Point(68, 98);
this.txtClass.Name = "txtClass";
this.txtClass.Size = new Size(251, 21);
this.txtClass.TabIndex = 6;
this.txtClass.DoubleClick = new EventHandler(this.txtID_DoubleClick);
this.label4.AutoSize = true;
this.label4.Location = new Point(27, 107);
this.label4.Name = "label4";
this.label4.Size = new Size(35, 12);
this.label4.TabIndex = 4;
this.label4.Text = "Class";
this.txtName.Anchor = (AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right);
this.txtName.Location = new Point(68, 44);
this.txtName.Name = "txtName";
this.txtName.Size = new Size(251, 21);
this.txtName.TabIndex = 3;
this.txtName.DoubleClick = new EventHandler(this.txtID_DoubleClick);
this.label3.AutoSize = true;
this.label3.Location = new Point(33, 53);
this.label3.Name = "label3";
this.label3.Size = new Size(29, 12);
this.label3.TabIndex = 2;
this.label3.Text = "Name";
this.txtID.Anchor = (AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right);
this.txtID.Location = new Point(68, 17);
this.txtID.Name = "txtID";
this.txtID.Size = new Size(251, 21);
this.txtID.TabIndex = 1;
this.txtID.Text = "双击文本框复制";
this.txtID.DoubleClick = new EventHandler(this.txtID_DoubleClick);
this.label2.AutoSize = true;
this.label2.Location = new Point(45, 26);
this.label2.Name = "label2";
this.label2.Size = new Size(17, 12);
this.label2.TabIndex = 0;
this.label2.Text = "ID";
this.label2.TextAlign = ContentAlignment.MiddleRight;
this.label1.AutoSize = true;
this.label1.Location = new Point(12, 228);
this.label1.Name = "label1";
this.label1.Size = new Size(143, 12);
this.label1.TabIndex = 1;
this.label1.Text = "XPath（选择后双击复制）";
this.lstXPath.Anchor = (AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right);
this.lstXPath.FormattingEnabled = true;
this.lstXPath.ItemHeight = 12;
this.lstXPath.Items.AddRange(new object[]
{
"拖动左下角的图标到IE查看即可",
"也可以按F8获取光标当前位置元素信息",
"",
"双击文本框即可复制内容",
"XPATH选中后双击即可复制。采集时默认自动复制第一个",
"",
"Bug、建议或者检查新版本请点击右下角链接"
});
this.lstXPath.Location = new Point(12, 243);
this.lstXPath.Margin = new Padding(5);
this.lstXPath.Name = "lstXPath";
this.lstXPath.Size = new Size(326, 100);
this.lstXPath.TabIndex = 2;
this.lstXPath.DoubleClick = new EventHandler(this.lstXPath_DoubleClick);
this.linkLabel1.Anchor = (AnchorStyles.Bottom | AnchorStyles.Right);
this.linkLabel1.AutoSize = true;
this.linkLabel1.Location = new Point(279, 372);
this.linkLabel1.Name = "linkLabel1";
this.linkLabel1.Size = new Size(59, 12);
this.linkLabel1.TabIndex = 5;
this.linkLabel1.TabStop = true;
this.linkLabel1.Text = "by 晓风轻";
this.linkLabel1.LinkClicked = new LinkLabelLinkClickedEventHandler(this.linkLabel1_LinkClicked);
this.timer1.Interval = 250;
this.timer1.Tick = new EventHandler(this.timer1_Tick);
this.chkCopy.AutoSize = true;
this.chkCopy.Checked = true;
this.chkCopy.CheckState = CheckState.Checked;
this.chkCopy.Location = new Point(53, 349);
this.chkCopy.Name = "chkCopy";
this.chkCopy.Size = new Size(138, 16);
this.chkCopy.TabIndex = 6;
this.chkCopy.Text = "自动复制第一个XPath";
this.chkCopy.UseVisualStyleBackColor = true;
this.chkSplit.AutoSize = true;
this.chkSplit.Location = new Point(53, 371);
this.chkSplit.Name = "chkSplit";
this.chkSplit.Size = new Size(114, 16);
this.chkSplit.TabIndex = 7;
this.chkSplit.Text = "XPath使用单引号";
this.chkSplit.UseVisualStyleBackColor = true;
this.chkSplit.CheckedChanged = new EventHandler(this.chkSplit_CheckedChanged);
this.pictureBox1.Anchor = (AnchorStyles.Bottom | AnchorStyles.Left);
this.pictureBox1.Image = (Image)componentResourceManager.GetObject("pictureBox1.Image");
this.pictureBox1.Location = new Point(12, 349);
this.pictureBox1.Name = "pictureBox1";
this.pictureBox1.Size = new Size(33, 33);
this.pictureBox1.TabIndex = 3;
this.pictureBox1.TabStop = false;
this.pictureBox1.MouseDown = new MouseEventHandler(this.pictureBox1_MouseDown);
this.pictureBox1.MouseUp = new MouseEventHandler(this.pictureBox1_MouseUp);
base.AutoScaleDimensions = new SizeF(6f, 12f);
base.AutoScaleMode = AutoScaleMode.Font;
base.ClientSize = new Size(349, 389);
base.Controls.Add(this.chkSplit);
base.Controls.Add(this.chkCopy);
base.Controls.Add(this.linkLabel1);
base.Controls.Add(this.pictureBox1);
base.Controls.Add(this.lstXPath);
base.Controls.Add(this.label1);
base.Controls.Add(this.groupBox1);
base.Icon = (Icon)componentResourceManager.GetObject("$this.Icon");
base.Name = "frmIEXPath";
this.Text = "IEXPath";
base.FormClosed = new FormClosedEventHandler(this.frmIEXPath_FormClosed);
base.Load = new EventHandler(this.frmIEXPath_Load);
this.groupBox1.ResumeLayout(false);
this.groupBox1.PerformLayout();
((ISupportInitialize)this.pictureBox1).EndInit();
base.ResumeLayout(false);
base.PerformLayout();
}
}
}
标签： IEXPath
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