using System;
using System.IO;
using Microsoft.HtmlTrans;
namespace ToHtmlLibrary.Core
{
/// <summary>
/// 把Office文档转换成html文档
/// </summary>
public class TransToHtml
{
#region Field
private string m_SavedHtmlFileName;
private string m_SavedPhysicalPath;
private string m_ServiceUrl;
#endregion
#region Property
public string SavedHtmlFileName
{
get
{
return m_SavedHtmlFileName;
}
set
{
m_SavedHtmlFileName = value;
}
}
public string SavedPhysicalPath
{
get
{
return m_SavedPhysicalPath;
}
set
{
m_SavedPhysicalPath = value;
}
}
public string ServiceUrl
{
set
{
m_ServiceUrl = value;
}
get
{
return m_ServiceUrl;
}
}
#endregion
#region Constructor
public TransToHtml()
{
}
/// <summary>
///
/// </summary>
/// <param name="savePath">转换成的html文件存放的物理路径</param>
/// <param name="mainFileName">html文件的文件名（不包括扩展名）</param>
public TransToHtml(string savePath,string mainFileName)
{
SavedPhysicalPath = savePath;
SavedHtmlFileName = mainFileName;
}
/// <summary>
///
/// </summary>
/// <param name="savePath"></param>
/// <param name="mainFileName"></param>
/// <param name="serviceUrl">转换remoting服务的url</param>
public TransToHtml(string savePath,string mainFileName,string serviceUrl)
{
SavedPhysicalPath = savePath;
SavedHtmlFileName = mainFileName;
ServiceUrl = serviceUrl;
}
#endregion
#region Private Method
private string GetVirtualDocumentName(EDocumentType type)
{
if(type.Equals(EDocumentType.Word))
return "abc.doc";
if(type.Equals(EDocumentType.Excel))
return "abc.xls";
if(type.Equals(EDocumentType.PowerPoint))
return "abc.ppt";
return "";
}
private void DoTrans(byte[] docContent,string serviceUrl ,EDocumentType type)
{
if (type.Equals(EDocumentType.Unknow))
{
return ;
}
string strTask = Guid.NewGuid().ToString();
string strDocument = GetVirtualDocumentName(type);
//创建IHtmlTrLoadBalancer对象
IHtmlTrLoadBalancer htmlTrLoadBalancer = (IHtmlTrLoadBalancer)System.Activator.GetObject(
typeof(IHtmlTrLoadBalancer),
serviceUrl);
//获取IHtmlTrLauncher对象的URI
string strLauncherUri = htmlTrLoadBalancer.StrGetLauncher(strTask);
//创建IHtmlTrLauncher对象
IHtmlTrLauncher htmlTrLauncher = (IHtmlTrLauncher)
System.Activator.GetObject(typeof(IHtmlTrLauncher),
strLauncherUri);
//调用IHtmlTrLauncher对象生成html
CreateHtmlInfo chi = htmlTrLauncher.CHICreateHtml(strLauncherUri,
docContent,BrowserType.BT_IE4, strDocument, strTask, 90, true);
//判断IHtmlTrLoadBalancer对象的任务是否完成
htmlTrLoadBalancer.LauncherTaskCompleted(strLauncherUri, strTask);
// //检查错误后输出结果
if(chi.ce == CreationErrorType.CE_NONE && chi.fHasMainFile)
{
Directory.CreateDirectory(SavedPhysicalPath + "\\" + SavedHtmlFileName);
FileStream fs = new FileStream(SavedPhysicalPath + "\\" + SavedHtmlFileName + "\\" + SavedHtmlFileName +
chi.strMainFileName.Substring(chi.strMainFileName.LastIndexOf(".")),FileMode.Create);
BinaryWriter bw = new BinaryWriter(fs);
bw.Write(chi.rgbMainFile,0,chi.rgbMainFile.Length);
fs.Close();
fs = null;
bw.Close();
bw = null;
if (chi.fHasThicket)
{
string supportFilePath = string.Concat(chi.strMainFilePath, chi.strThicketFolderName, "/");
for (int i=0;i<chi.rgrgbThicketFiles.Length;i++)
{
Directory.CreateDirectory(SavedPhysicalPath + "\\" + SavedHtmlFileName + "\\" +
"HtmlView.files");
fs = new FileStream(SavedPhysicalPath + "\\" + SavedHtmlFileName + "\\" +
"HtmlView.files" + "\\" + chi.rgstrThicketFileNames[i],FileMode.Create);
bw = new BinaryWriter(fs);
bw.Write(chi.rgrgbThicketFiles[i],0,chi.rgrgbThicketFiles[i].Length);
fs.Close();
fs = null;
bw.Close();
bw = null;
}
}
}
else
{
throw new Exception(chi.ce.ToString() );
}
}
#endregion
#region Public Method
public void Trans(byte[] docContent,EDocumentType type)
{
Trans(docContent,ServiceUrl,type);
}
public void Trans(byte[] docContent,string serviceUrl ,EDocumentType type)
{
DoTrans(docContent,serviceUrl ,type);
}
#endregion
}
}