netdisk_office_get.jsp

来自「一个用java编写的功能强大的OA系统」· JSP 代码 · 共 75 行

<%@ page contentType="text/html;charset=utf-8"%><%@page import="cn.js.fan.util.*"%><%@page import="cn.js.fan.web.*"%><%@page import="com.redmoon.oa.*"%><%@page import="com.redmoon.oa.dept.*"%><%@page import="com.redmoon.oa.netdisk.*"%><%@page import="java.util.*"%><%@page import="java.io.*"%><%@page import="java.net.*"%><jsp:useBean id="fchar" scope="page" class="cn.js.fan.util.StrUtil"/><jsp:useBean id="fsecurity" scope="page" class="cn.js.fan.security.SecurityUtil"/><jsp:useBean id="privilege" scope="page" class="com.redmoon.oa.pvg.Privilege"/><%
response.setHeader("Pragma","No-cache");
response.setHeader("Cache-Control","no-cache");
response.setDateHeader("Expires", 0);

String priv = request.getParameter("priv");
if (priv==null)
	priv = "read";
if (!privilege.isUserPrivValid(request, priv))
{
	//response.setContentType("text/html;charset=gb2312"); 
	out.print("<meta http-equiv='Content-Type' content='text/html; charset=gb2312'>");
	out.println(SkinUtil.makeErrMsg(request, SkinUtil.LoadString(request, "pvg_invalid")));
	return;
}

int id = ParamUtil.getInt(request, "id");
int attId = ParamUtil.getInt(request, "attachId");

Document mmd = new Document();
mmd = mmd.getDocument(id);
if (mmd==null || !mmd.isLoaded()) {
	out.print("<meta http-equiv='Content-Type' content='text/html; charset=gb2312'>");
	out.println("文件不存在！");
	return;
}
Attachment att = mmd.getAttachment(1, attId);
String ext = att.getExt(); // diskName.substring( len-3, len );

LeafPriv lp = new LeafPriv(att.getDirCode());
if (!lp.canUserModify(privilege.getUser(request))) {
	response.setHeader("Content-disposition","filename=" + StrUtil.GBToUnicode(att.getName()));
	if (ext.equals("doc"))
		response.setContentType("application/msword");
	else if (ext.equals("xls"))
		response.setContentType("application/vnd.ms-excel");
	out.print(SkinUtil.makeErrMsg(request, SkinUtil.LoadString(request, "pvg_invalid")));
	return;
}

String diskName = att.getDiskName();
int len = diskName.length();
response.setHeader("Content-disposition","filename=" + StrUtil.GBToUnicode(att.getName()));

if (ext.equals("doc"))
	response.setContentType("application/msword");
else if (ext.equals("xls"))
	response.setContentType("application/vnd.ms-excel");
else {
	out.println("文件格式" + ext + "非法");
	return;
}

BufferedInputStream bis = null;
BufferedOutputStream bos = null;

try {
	bis = new BufferedInputStream(new FileInputStream(Global.getRealPath() + "/" + att.getVisualPath() + "/" + att.getDiskName()));
	bos = new BufferedOutputStream(response.getOutputStream());
	
	byte[] buff = new byte[2048];
	int bytesRead;
	
	while(-1 != (bytesRead = bis.read(buff, 0, buff.length))) {
		bos.write(buff,0,bytesRead);
	}
} catch(final IOException e) {
	System.out.println ( "出现IOException." + e + "---" + att.getFullPath());
} finally {
	if (bis != null)
		bis.close();
	if (bos != null)
		bos.close();
}
%>