Domino通过url打开附件内容方法
1）http://xxx.yyy/abc.nsf/0/1A97B5BBA75AF8FC48257CAF00248EE4/$FILE/ls调用java.doc
方法有个情况，如果是pdf或插件直接浏览器打开。
2)通过servlet打开，避免了方法1的打开问题。
js打开方法
window.open('/servlet/DownUrl?filePath='+encodeURI(filename)+'&dbpath='+dbpath+'&unid='+unid+'&num=0&id='+Math.random());
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.Enumeration;
import java.util.Vector;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import lotus.domino.Database;
import lotus.domino.Document;
import lotus.domino.EmbeddedObject;
import lotus.domino.NotesException;
import lotus.domino.NotesFactory;
import lotus.domino.NotesThread;
import lotus.domino.RichTextItem;
import lotus.domino.Session;
public class DownUrl extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doPost(request, response);
}
//num 1为servlet动态添加，0为原文档
//window.open('/servlet/DownUrl?filePath='+encodeURI(filename)+'&dbpath='+dbpath+'&unid='+unid+'&num='+num+'&id='+Math.random());
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String num=request.getParameter("num"); //1为servlet动态添加，0为原文档
String filePath = request.getParameter("filePath"); //文件名称
String dbpath= request.getParameter("dbpath"); //数据库路径
String unid= request.getParameter("unid"); //文档unid
if (filePath != null && num!=null) {
//System.out.println("URLDecode filePath="+URLDecoder.decode(request.getParameter("filePath"), "UTF-8"));
filePath = new String(request.getParameter("filePath").getBytes("ISO-8859-1"), "utf-8");
System.out.println("filePath="+filePath);
dbpath= new String(request.getParameter("dbpath").getBytes("ISO-8859-1"), "utf-8");
System.out.println("dbpath-->"+dbpath);
unid= new String(request.getParameter("unid").getBytes("ISO-8859-1"), "utf-8");
System.out.println("unid-->"+unid);
num= new String(request.getParameter("num").getBytes("ISO-8859-1"), "utf-8");
}else{
response.setContentType("text/html;charset=GBK");
response.getWriter().print("<script>alert('请求参数错误!');javascript:history.go(-1);</script>");
return;
}
String mainPath = gethj()+"/domino/html/attached/";
System.out.println("mainPath="+mainPath);
//downLoadFromUrl(filePath,getFileName(filePath),mainPath);
String path=mainPath+filePath;
try {
//如果为原文档提供附件
if(num.equals("0")){
SaveFile( dbpath,unid,path);
}
} catch (NotesException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
//String path=filePath;
//path="D:/jscss.rar";
File file =new File(path);
//File file3 = new File("D:/jscss.rar");
System.out.println(file.getAbsolutePath());
if(path.equals("")){
System.out.println("文件不存在！");
response.setContentType("text/html;charset=GBK");
response.getWriter().print("<script>alert('文件不存在!');</script>");
//response.getWriter().print("<script>window.opener.close();</script>");
response.getWriter().print("<script>javascript:history.go(-1);</script>");
return;
}else{
downloadFile(path, getFileName(path), response,num);
}
}
/*
* num //1为servlet动态添加，0为原文档
*/
private static void downloadFile(String filePath, String fileName,
HttpServletResponse response,String num) throws IOException {
//设置响应头和保存文件名
response.setContentType("APPLICATION/OCTET-STREAM;charset=gbk");
// response.setContentType("application/x-msdownload");
response.setHeader("Content-Disposition", "attachment; filename=" + URLEncoder.encode(fileName, "UTF-8"));
BufferedInputStream bis=null;
BufferedOutputStream bos=null;
try{
ServletOutputStream sos=response.getOutputStream();
bis=new BufferedInputStream(new FileInputStream(filePath));
//bis=new BufferedInputStream(inputStream);
bos=new BufferedOutputStream(sos);
byte[] buffer=new byte[4096];
int byteread;
while(-1!=(byteread=bis.read(buffer,0,buffer.length))){
bos.write(buffer, 0, byteread);
}
}catch(IOException e){
e.printStackTrace();
}finally{
if(bis!=null){
bis.close();
}
if(bos!=null){
bos.close();
}
System.out.println("关闭流！");
}
System.out.println("文件下载完毕.");
//如果为原文档提供附件
if(num.equals("0")){
deleteFile(filePath);
}
}
//截取文件名称
private String getFileName(String filePath){
int index1=filePath.lastIndexOf("/");
int index2=filePath.lastIndexOf("\\");
int index=(index1>index2)?index1:index2;
return filePath.substring(index+1);
}
/**
* 从输入流中获取字节数组
* @param inputStream
* @return
* @throws IOException
*/
public static byte[] readInputStream(InputStream inputStream) throws IOException {
byte[] buffer = new byte[1024];
int len = 0;
ByteArrayOutputStream bos = new ByteArrayOutputStream();
while((len = inputStream.read(buffer)) != -1) {
bos.write(buffer, 0, len);
}
bos.close();
return bos.toByteArray();
}
/**
* 从网络Url中下载文件
* @param urlStr
* @param fileName
* @param savePath
* @throws IOException
*/
public static void downLoadFromUrl(String urlStr,String fileName,String savePath) throws IOException{
URL url = new URL(urlStr);
HttpURLConnection conn = (HttpURLConnection)url.openConnection();
//设置超时间为3秒
conn.setConnectTimeout(3*1000);
//防止屏蔽程序抓取而返回403错误
conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)");
//得到输入流
InputStream inputStream = conn.getInputStream();
//获取自己数组
byte[] getData = readInputStream(inputStream);
//文件保存位置
File saveDir = new File(savePath);
if(!saveDir.exists()){
saveDir.mkdir();
}
File file = new File(saveDir+File.separator+fileName);
FileOutputStream fos = new FileOutputStream(file);
fos.write(getData);
if(fos!=null){
fos.close();
}
if(inputStream!=null){
inputStream.close();
}
System.out.println("info:"+url+" download success");
}
public String gethj(){
try {
//创建NotesThread对象
NotesThread.sinitThread();
//创建新会话对象
Session session = NotesFactory.createSession();
String temp= session.getEnvironmentString("Directory", true);
session.recycle();
return temp;
} catch (NotesException e) {
// TODO Auto-generated catch block
e.printStackTrace();
System.out.println("操作异常");
System.out.println(e.toString());
return "";
}
finally
{
NotesThread.stermThread();
}
}
/**
*
* @param dbpath 数据库路径
* @param unid 文档unid
* @param filepath 文件完整路径
* @throws NotesException
*/
public void SaveFile(String dbpath,String unid,String filepath) throws NotesException{
NotesThread.sinitThread();
Session session = NotesFactory.createSession();
System.out.println("1111");
Database db = session.getDatabase("", dbpath);
System.out.println("unid-->"+unid);
System.out.println("database-->"+db.getFileName());
Document doc = db.getDocumentByUNID(unid);
System.out.println("doc-->"+doc.getUniversalID());
RichTextItem body = (RichTextItem) doc.getFirstItem("Body");
if (body != null) {
//如果新旧附件同名
System.out.println("进入附件名称与新附件名称相同-->");
Vector v = body.getEmbeddedObjects();
Enumeration e = v.elements();
while (e.hasMoreElements()) {
EmbeddedObject eo = (EmbeddedObject) e.nextElement();
if (eo.getType() == EmbeddedObject.EMBED_ATTACHMENT) { //判断 有同样的附件
System.out.println("eo.getName()附件名称-->"+eo.getName());
//eo.remove();
deleteFile(filepath);
eo.extractFile(filepath);
break;
}
}
/*while结束*/
}else{
System.out.println("文档没有对应的Body富域，建议附件文档时，附件在富域Body里面!");
}
//回收对象
db.recycle();
session.recycle();
NotesThread.stermThread();
}
/**
* 删除单个文件
* @param sPath 被删除文件的文件名
* @return 单个文件删除成功返回true，否则返回false
*/
public static boolean deleteFile(String sPath) {
boolean flag = false;
File file = new File(sPath);
// 路径为文件且不为空则进行删除
if (file.isFile() && file.exists()) {
file.delete();
flag = true;
}
return flag;
}
}
参考：
