DDR爱好者之家 Design By 杰米
现把该程序主要代码贴下,供大家需要的时候参考下:
<%@page import="java.util.*,
java.net.*,
java.text.*,
java.util.zip.*,
java.io.*" %>
<%!
static Vector expandFileList(String[] files, boolean inclDirs){
Vector v = new Vector();
if (files == null) return v;
for (int j=0; j < files.length; i++) v.add (new File(URLDecoder.decode(files[j])));
for (int i=0; i < v.size(); i++){
File f = (File) v.get(i);
if (f.isDirectory()){
File[] fs = f.listFiles();
for (int n = 0; n < fs.length; n++) v.add(fs[n]);
if (!inclDirs){
v.remove(i);
i--;
}
}
}
return v;
}
class Writer2Stream extends OutputStream{
Writer out;
Writer2Stream (Writer w){
super();
out = w;
}
public void write(int i) throws IOException{
out.write(i);
}
public void write(byte[] b) throws IOException{
for (int j=0;j<b.length;j++){
int n=b[j];
//Convert byte to ubyte
n=((n>4)&0xF)*16+(n&0xF);
out.write (n);
}
}
public void write(byte[] b, int off, int len) throws IOException{
for (int j = off; j < off + len; j++){
int n=b[j];
n = ((n>4)&0xF)*16+(n&0xF);
out.write(n);
}
}
}
%>
<%
/////下载压缩文件包
Vector v = expandFileList(request.getParameterValues("selfile"), false);
if (v.size() == 0){
request.setAttribute("error", "No files selected");
}
else{
File dir_file = new File(request.getRealPath("") + "/myfile/");
int dir_l = dir_file.getAbsolutePath().length();
response.setContentType ("application/zip");
response.setHeader ("Content-Disposition", "attachment;filename=\"downloadname.rar\"");
out.clearBuffer();
ZipOutputStream zipout = new ZipOutputStream(new Writer2Stream(out));
zipout.setComment("Download selected files \nas one WinRAR file:\ndownloadname.rar");
zipout.setLevel(1);
for (int i=0;i<v.size();i++){
File f = (File)v.get(i);
if (f.canRead()){
zipout.putNextEntry(new ZipEntry(f.getAbsolutePath().substring(dir_l+1)));
BufferedInputStream fr = new BufferedInputStream(new FileInputStream(f));
byte buffer[] = new byte[0xffff];
int b;
while ((b=fr.read())!=-1) zipout.write(b);
fr.close();
zipout.closeEntry();
}
}
zipout.finish();
out.flush();
}
%>
<%@page import="java.util.*,
java.net.*,
java.text.*,
java.util.zip.*,
java.io.*" %>
<%!
static Vector expandFileList(String[] files, boolean inclDirs){
Vector v = new Vector();
if (files == null) return v;
for (int j=0; j < files.length; i++) v.add (new File(URLDecoder.decode(files[j])));
for (int i=0; i < v.size(); i++){
File f = (File) v.get(i);
if (f.isDirectory()){
File[] fs = f.listFiles();
for (int n = 0; n < fs.length; n++) v.add(fs[n]);
if (!inclDirs){
v.remove(i);
i--;
}
}
}
return v;
}
class Writer2Stream extends OutputStream{
Writer out;
Writer2Stream (Writer w){
super();
out = w;
}
public void write(int i) throws IOException{
out.write(i);
}
public void write(byte[] b) throws IOException{
for (int j=0;j<b.length;j++){
int n=b[j];
//Convert byte to ubyte
n=((n>4)&0xF)*16+(n&0xF);
out.write (n);
}
}
public void write(byte[] b, int off, int len) throws IOException{
for (int j = off; j < off + len; j++){
int n=b[j];
n = ((n>4)&0xF)*16+(n&0xF);
out.write(n);
}
}
}
%>
<%
/////下载压缩文件包
Vector v = expandFileList(request.getParameterValues("selfile"), false);
if (v.size() == 0){
request.setAttribute("error", "No files selected");
}
else{
File dir_file = new File(request.getRealPath("") + "/myfile/");
int dir_l = dir_file.getAbsolutePath().length();
response.setContentType ("application/zip");
response.setHeader ("Content-Disposition", "attachment;filename=\"downloadname.rar\"");
out.clearBuffer();
ZipOutputStream zipout = new ZipOutputStream(new Writer2Stream(out));
zipout.setComment("Download selected files \nas one WinRAR file:\ndownloadname.rar");
zipout.setLevel(1);
for (int i=0;i<v.size();i++){
File f = (File)v.get(i);
if (f.canRead()){
zipout.putNextEntry(new ZipEntry(f.getAbsolutePath().substring(dir_l+1)));
BufferedInputStream fr = new BufferedInputStream(new FileInputStream(f));
byte buffer[] = new byte[0xffff];
int b;
while ((b=fr.read())!=-1) zipout.write(b);
fr.close();
zipout.closeEntry();
}
}
zipout.finish();
out.flush();
}
%>
DDR爱好者之家 Design By 杰米
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DDR爱好者之家 Design By 杰米
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