eimdownload.jsp
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<%@ page language="java" contentType="application/x-download" pageEncoding="UTF-8"%><%@
page import="java.net.URLEncoder"%><%@
page import="java.util.zip.*" %><%@
page import="java.io.*" %><%@
page import="weaver.general.*" %><%@
page import="DBstep.iMsgServer2000" %><%@
page import="weaver.conn.*" %><%
//上面这句话的<%一定不要敲到下面来，否则会导致输出的附件打不开或内容乱码
int fileid = Util.getIntValue(request.getParameter("fileid"),0);
String filepath = "";
String iszip = "";
String filename = "";
String contenttype = "";
String markType = "";
InputStream is = null;
// 判断是否启用手写签批，如果没有启用就不用对word excel做文件处理
boolean isMsgObjToDocument=true;
BaseBean basebean = new BaseBean();
String mClientName=Util.null2String(basebean.getPropValue("weaver_obj","iWebOfficeClientName"));
boolean isIWebOffice2003 = (mClientName.indexOf("iWebOffice2003")>-1)?true:false;
String isHandWriteForIWebOffice2009=Util.null2String(basebean.getPropValue("weaver_obj","isHandWriteForIWebOffice2009"));
if(isIWebOffice2003||isHandWriteForIWebOffice2009.equals("0")){
isMsgObjToDocument=false;
}
//
if(fileid>0) {
RecordSet rs = new RecordSet();
//String sql = "select b.imagefilename,a.imagefiletype,a.filerealpath,a.iszip from imagefile a LEFT join docimagefile b ON a.imagefileid = b.imagefileid where a.imagefileid = " + fileid;
String sql = "select imagefilename,imagefiletype,filerealpath,iszip from imagefile where imagefileid = " + fileid;;
rs.executeSql(sql);
if(rs.next()) {
filepath = rs.getString("filerealpath");
iszip = rs.getString("iszip");
filename = rs.getString("imagefilename");
contenttype = rs.getString("imagefiletype");
String extName = "";
if(filename.indexOf(".") > -1){
int bx = filename.lastIndexOf(".");
extName = filename.substring(bx+1, filename.length());
}
File file = new File(filepath);
if (Util.getIntValue(iszip) > 0) {
ZipInputStream zin = new ZipInputStream(new FileInputStream(file));
if (zin.getNextEntry() != null)
is = new BufferedInputStream(zin);
} else {
is = new BufferedInputStream(new FileInputStream(file));
}
if(("xls".equalsIgnoreCase(extName) || "doc".equalsIgnoreCase(extName) || "ppt".equalsIgnoreCase(extName)
|| "xlsx".equalsIgnoreCase(extName) || "docx".equalsIgnoreCase(extName) || "pptx".equalsIgnoreCase(extName)
|| "wps".equalsIgnoreCase(extName) || "et".equalsIgnoreCase(extName))&&isMsgObjToDocument) {
//正文的处理
ByteArrayOutputStream bout = null;
try {
int byteread = 0;
byte[] rbs = new byte[2048];
bout = new ByteArrayOutputStream();
while((byteread = is.read(rbs)) != -1) {
bout.write(rbs, 0, byteread);
bout.flush();
}
byte[] fileBody = bout.toByteArray();
iMsgServer2000 MsgObj = new DBstep.iMsgServer2000();
MsgObj.MsgFileBody(fileBody); //将文件信息打包
fileBody = MsgObj.ToDocument(MsgObj.MsgFileBody()); //通过iMsgServer200 将pgf文件流转化为普通Office文件流
is = new ByteArrayInputStream(fileBody);
bout.close();
}
catch(Exception e) {
if(bout!=null) {
bout.close();
}
}
}
}
} else {
//Enumeration enumeration = request.getParameterNames();
//while (enumeration.hasMoreElements()) {
// String parameterName = (String) enumeration.nextElement();
// if(parameterName.equals("sessionkey")) continue;
// if(parameterName.equals("url")) continue;
// String urlSeparator = "&";
// if(url.indexOf("?")==-1) urlSeparator = "?";
// if(url.indexOf(parameterName)==-1) {
// Object parameterValue = request.getParameter(parameterName);
// String value = parameterValue.toString();
// url += urlSeparator + parameterName + "=" + value;
// }
//}
//request.getRequestDispatcher(url).forward(request, response);
return;
}
if(is != null) {
boolean isexist= true;
try{
Class.forName("weaver.file.AESCoder");
}catch(Exception e){
isexist = false; //判断有没有打加密补丁
}
if(isexist){
try {
RecordSet rs1 = new RecordSet();
String sql1 = "select isaesencrypt,aescode from imagefile where imagefileid = " + fileid;;
rs1.executeSql(sql1);
if(rs1.next()){
String isaesencrypt = rs1.getString(1);
String aescode = rs1.getString(2);
if(isaesencrypt.equals("1")){
is = weaver.messager.AESCoder.decrypt(is, aescode); // 解密
}
}
} catch (Exception e) {
//e.printStackTrace();
}
}
try {
response.setHeader("Content-disposition","attachment; filename=" + URLEncoder.encode(filename,"UTF-8"));
byte[] rbs = new byte[2048];
OutputStream outp = response.getOutputStream();
int len = 0;
while (((len = is.read(rbs)) > 0)) {
outp.write(rbs, 0, len);
}
outp.flush();
//out.clear();
out = pageContext.pushBody();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (is != null) {
is.close();
is = null;
}
}
return;
} else {
response.sendError(HttpServletResponse.SC_NOT_FOUND);
}
%>