using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Runtime.InteropServices; using mshtml; namespace baidu { public partial class Form1 : Form { [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = false)] static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam); [DllImport("user32.dll", SetLastError = true)] static extern IntPtr GetWindow(IntPtr hWnd, uint uCmd); [DllImport("user32.dll", CharSet = CharSet.Auto)] static extern int GetClassName(IntPtr hWnd, StringBuilder lpClassName, int nMaxCount); HtmlDocument htmlDocument; public Form1() { InitializeComponent(); } [DllImport("user32")] public static extern void mouse_event(int dwFlags, int dx, int dy, int dwData, int dwExtraInfo); /* 获取位置 */ public void location() { htmlDocument.GetElementById("kw").SetAttribute("value", "nihao"); Point p = new Point(); HTMLDocument doc = webBrowser1.Document.DomDocument as HTMLDocument; IHTMLElementCollection els = doc.getElementsByTagName("INPUT"); foreach (IHTMLElement em in els) { // URL www.baidu.com if (em.getAttribute("value") == "百度一下") { IHTMLElement pem = em; //元素中间 p.X = em.offsetWidth / 2; //MessageBox.Show(p.X.ToString()); p.Y = em.offsetHeight / 2; //MessageBox.Show(p.Y.ToString()); do { pem = pem.offsetParent; p.X += pem.offsetLeft; p.Y += pem.offsetTop; } while (pem.tagName.ToLower() != "body"); //MessageBox.Show(p.X.ToString()); //MessageBox.Show(p.Y.ToString()); em.scrollIntoView();//显示元素 break; } } } /* 点击 */ public void button2_Click() { htmlDocument.GetElementById("kw").SetAttribute("value", "success"); // 这里是location方法 获取的位置 int x = 789; // X coordinate of the click int y = 238; // Y coordinate of the click IntPtr handle = webBrowser1.Handle; StringBuilder className = new StringBuilder(789); while (className.ToString() != "Internet Explorer_Server") // The class control for the browser { handle = GetWindow(handle, 5); // Get a handle to the child window GetClassName(handle, className, className.Capacity); } IntPtr lParam = (IntPtr)((y << 16) | x); // The coordinates IntPtr wParam = IntPtr.Zero; // Additional parameters for the click (e.g. Ctrl) const uint downCode = 0x201; // Left click down code const uint upCode = 0x202; // Left click up code SendMessage(handle, downCode, wParam, lParam); // Mouse button down SendMessage(handle, upCode, wParam, lParam); // Mouse button up } private void webBrowser1_DocumentCompleted_1(object sender, WebBrowserDocumentCompletedEventArgs e) { this.htmlDocument = webBrowser1.Document; //location(); button2_Click(); } } } //这算是我从别的地方获取并总结出来的,希望能帮助大家。