package cn.com.lqw;
import com.jacob.com.*;
import com.jacob.activeX.*;

import java.io.*;


public class Jacob {
	
	private  static  final String Wordfiletype="Word.Application";
	private  static  final String Excelfiletype="Excel.Application";
	private  static  final int ExcelfileId=44;
	private  static  final int WordfileId=10;
	private  static  final String TEPS_Word="Documents";
	private  static  final String TEPS_Excel="Workbooks";
	

//将指定目录下面的指定doc文件转化为HTML并存储在savepaths目录下
// public static void change(String filepaths,HttpServletRequest request) throws IOException {
//  String panString=filepaths.substring(filepaths.indexOf("."),filepaths.length());
//  System.out.println(panString);
//  File f = new File("C:\\uploadfile\\"+filepaths);
//  String filename = f.getName();
//  String filetype = filename.substring((filename.length() - 3), filename.length());// 取得文件类型
//   System.out.println("当前正在转换......");
//   // 打印当前目录路径
//   System.out.println(filepaths);
//   ActiveXComponent app = new ActiveXComponent("Word.Application");// 启动word
//   String docpath = f.getPath();
//   String htmlpath ="C:\\uploadfile\\"+ filename.substring(0,filename.indexOf('.'));
//   System.out.println(htmlpath);
//   String inFile = docpath;
//   // 要转换的word文件
//   String tpFile = htmlpath;
//   // HTML文件
//   boolean flag = false;
//   try {
//    app.setProperty("Visible", new Variant(false));// 设置word不可见
//    Object docs = app.getProperty("Documents").toDispatch();
//    Object doc = Dispatch.invoke((Dispatch) docs,"Open",Dispatch.Method,new Object[] { inFile, new Variant(false),new Variant(true) },
//      new int[1]).toDispatch();// 打开word文件
//    /*
//     * new Variant(10)筛选过的网页
//     * new Variant(9) 单个文件网页
//     * new Variant(8) 另存为网页
//     * new Variant(7) 另存为txt格式
//     * new Variant(6) 另存为rtf格式
//     * new Variant(0) 另存为doc格式
//     */
//    Dispatch.invoke((Dispatch) doc, "SaveAs", Dispatch.Method, new Object[] {tpFile, new Variant(10) }, new int[1]);// 作为html格式保存到临时文件
//    Variant fl = new Variant(false);
//    Dispatch.call((Dispatch) doc, "Close", fl);
//    flag = true;
//   } catch (Exception e) {
//    e.printStackTrace();
//   } finally {
//    app.invoke("Quit", new Variant[] {});
//   }
//   System.out.println("转化完毕！");
//   Desktop desktop = Desktop.getDesktop();
//   File file = new File(htmlpath+".htm"); 
//   desktop.open(file);
//   request.setAttribute("pathString",htmlpath+".htm");
// }
	
//把文档转换成htm
 public static void DocumentToHtml(String fileName,String filetype,String teps,int typeid) throws IOException  
 {  
	 File fl = new File("e:\\uploadfile\\"+fileName);
	 String docpath = fl.getPath();
	 String filename = fl.getName();
	 String htmlpath ="e:\\uploadfile\\"+ filename.substring(0,filename.indexOf('.'));
     ActiveXComponent app = new ActiveXComponent(filetype); // 启动excel  
     try  
     {  
         app.setProperty("Visible", new Variant(false));  
         Dispatch excels = app.getProperty(teps).toDispatch();  
         Dispatch excel = Dispatch.invoke(excels,"Open",Dispatch.Method,new Object[] { docpath, new Variant(false),new Variant(true) }, new int[1]).toDispatch();  
         Dispatch.invoke(excel, "SaveAs", Dispatch.Method, new Object[] {htmlpath, new Variant(typeid) }, new int[1]);  
         Variant f = new Variant(false);  
         Dispatch.call(excel, "Close", f);  
     }  
     catch (Exception e)  
     {  
         e.printStackTrace();  
     }  
     finally  
     {  
         app.invoke("Quit", new Variant[] {});  
     }  
     changeFileCharset(htmlpath+".htm","gb2312");
 }  
 
 public static void changeFileCharset(String filePath, String codeType) {
		File file = new File(filePath);
			try {
				int index = file.getAbsolutePath().lastIndexOf('\\') + 1;
				String fileName = file.getName();
				String str= filePath.substring(0,filePath.indexOf('.'));
				File file1 = new File(str+".html");
				BufferedReader br = new BufferedReader(new InputStreamReader(
						new FileInputStream(file)));
				BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(
						new FileOutputStream(file1)));
				String line = null;
				while ((line = br.readLine()) != null) {
					if (line.lastIndexOf("charset=") > 0){
						String oldCodeType = line.substring(line.lastIndexOf("charset=") + 8, line.length()-2);
						if (oldCodeType != null && !oldCodeType.equals(codeType)){
							line = line.substring(0, line.lastIndexOf("charset=")) + "charset=" + codeType + "\">";
						}
					}
					bw.write(line + "\n");
				}
				bw.flush();
				bw.close();
				br.close();
				file.delete();
				file1.renameTo(new File(filePath));
			} catch (FileNotFoundException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			}
	}
 
 public static void getHtmlString(String filename) throws IOException{
	 String filetype = filename.substring((filename.length() - 3), filename.length());// 取得文件类型
	 if(filetype.equals("xls")){
		 DocumentToHtml(filename, Excelfiletype,TEPS_Excel,ExcelfileId);
	 }else{
		DocumentToHtml(filename, Wordfiletype,TEPS_Word,WordfileId);
	 }
 }
}