HTML如何转出到Word中，一点课堂（多岸学院）

2022-10-24 20:22:16 网站优化 ℃

　　通过系统剪切板把HTML复制到Word中，并且保留原来的格式

class HTMLUtils { // 将HTML代码复制到Windows剪贴板，并保证中 [DllImport("user32.dll")] static extern bool OpenClipboard(IntPtr hWndNewOwner); [DllImport("user32.dll")] static extern bool EmptyClipboard(); [DllImport("user32.dll")] static extern IntPtr SetClipboardData(uint uFormat, IntPtr hMem); [DllImport("user32.dll")] static extern bool CloseClipboard(); [DllImport("user32.dll", SetLastError = true)] static extern uint RegisterClipboardFormatA(string lpszFormat); [DllImport("kernel32.dll", SetLastError = true)] static extern IntPtr GlobalLock(IntPtr hMem); [DllImport("kernel32.dll", SetLastError = true)] static extern uint GlobalSize(IntPtr hMem); [DllImport("kernel32.dll", SetLastError = true)] static extern IntPtr GlobalUnlock(IntPtr hMem); /// <summary> /// copy the html into clipboard /// </summary> /// <param name="html"></param> /// <returns></returns> static public bool CopyHTMLToClipboard(string html) { uint CF_HTML = RegisterClipboardFormatA("HTML Format"); bool bResult = false; if (OpenClipboard(IntPtr.Zero)) { if (EmptyClipboard()) { byte[] bs = System.Text.Encoding.UTF8.GetBytes(html); int size = Marshal.SizeOf(typeof(byte)) * bs.Length; IntPtr ptr = Marshal.AllocHGlobal(size); Marshal.Copy(bs, 0, ptr, bs.Length); IntPtr hRes = SetClipboardData(CF_HTML, ptr); CloseClipboard(); } } return bResult; } //将HTML代码按照Windows剪贴板格进行格式化 public static string HtmlClipboardData(string html) { StringBuilder sb = new StringBuilder(); Encoding encoding = Encoding.UTF8; //Encoding.GetEncoding(936); string Header = @"Version: 1.0 StartHTML: {0:000000} EndHTML: {1:000000} StartFragment: {2:000000} EndFragment: {3:000000} "; string HtmlPrefix = @"<!DOCTYPE HTML PUBLIC ""-//W3C//DTD HTML 4.0 Transitional//EN""> <html> <head> <meta http-equiv=Content-Type content=""text/html; charset={0}""> </head> <body>  "; HtmlPrefix = string.Format(HtmlPrefix, "gb2312"); string HtmlSuffix = @"</body></html>"; // Get lengths of chunks int HeaderLength = encoding.GetByteCount(Header); HeaderLength -= 16; // extra formatting characters {0:000000} int PrefixLength = encoding.GetByteCount(HtmlPrefix); int HtmlLength = encoding.GetByteCount(html); int SuffixLength = encoding.GetByteCount(HtmlSuffix); // Determine locations of chunks int StartHtml = HeaderLength; int StartFragment = StartHtml + PrefixLength; int EndFragment = StartFragment + HtmlLength; int EndHtml = EndFragment + SuffixLength; // Build the data sb.AppFormat(Header, StartHtml, EndHtml, StartFragment, EndFragment); sb.App(HtmlPrefix); sb.App(html); sb.App(HtmlSuffix); //Console.WriteLine(sb.ToString()); return sb.ToString(); } }调用：

　　 string html = "<p><input type=text name=test>abc</p>"; html = HTMLUtils.HtmlClipboardData(html); HTMLUtils.CopyHTMLToClipboard(html); //then you can paste into word using WdPasteDataType.wdPasteHTML parameter object dataType = Word.WdPasteDataType.wdPasteHTML; newapp.Selection.PasteSpecial(ref nothing, ref nothing, ref nothing, ref nothing, ref dataType, ref nothing, ref nothing); ;具体的实现请看https://github.com/scalad/MathML2MathTypeEquation