HTML 转出到 Word 中
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>
<!--StartFragment-->
";
HtmlPrefix = string.Format(HtmlPrefix, "gb2312");
string HtmlSuffix = @"<!--EndFragment--></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.AppendFormat(Header, StartHtml, EndHtml, StartFragment, EndFragment);
sb.Append(HtmlPrefix);
sb.Append(html);
sb.Append(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); ;
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