圆月山庄资源网 Design By www.vgjia.com
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();
}
%>
标签:
JSP,文件打包
圆月山庄资源网 Design By www.vgjia.com
广告合作:本站广告合作请联系QQ:858582 申请时备注:广告合作(否则不回)
免责声明:本站文章均来自网站采集或用户投稿,网站不提供任何软件下载或自行开发的软件! 如有用户或公司发现本站内容信息存在侵权行为,请邮件告知! 858582#qq.com
免责声明:本站文章均来自网站采集或用户投稿,网站不提供任何软件下载或自行开发的软件! 如有用户或公司发现本站内容信息存在侵权行为,请邮件告知! 858582#qq.com
圆月山庄资源网 Design By www.vgjia.com
暂无评论...
RTX 5090要首发 性能要翻倍!三星展示GDDR7显存
三星在GTC上展示了专为下一代游戏GPU设计的GDDR7内存。
首次推出的GDDR7内存模块密度为16GB,每个模块容量为2GB。其速度预设为32 Gbps(PAM3),但也可以降至28 Gbps,以提高产量和初始阶段的整体性能和成本效益。
据三星表示,GDDR7内存的能效将提高20%,同时工作电压仅为1.1V,低于标准的1.2V。通过采用更新的封装材料和优化的电路设计,使得在高速运行时的发热量降低,GDDR7的热阻比GDDR6降低了70%。
更新日志
2024年12月28日
2024年12月28日
- 小骆驼-《草原狼2(蓝光CD)》[原抓WAV+CUE]
- 群星《欢迎来到我身边 电影原声专辑》[320K/MP3][105.02MB]
- 群星《欢迎来到我身边 电影原声专辑》[FLAC/分轨][480.9MB]
- 雷婷《梦里蓝天HQⅡ》 2023头版限量编号低速原抓[WAV+CUE][463M]
- 群星《2024好听新歌42》AI调整音效【WAV分轨】
- 王思雨-《思念陪着鸿雁飞》WAV
- 王思雨《喜马拉雅HQ》头版限量编号[WAV+CUE]
- 李健《无时无刻》[WAV+CUE][590M]
- 陈奕迅《酝酿》[WAV分轨][502M]
- 卓依婷《化蝶》2CD[WAV+CUE][1.1G]
- 群星《吉他王(黑胶CD)》[WAV+CUE]
- 齐秦《穿乐(穿越)》[WAV+CUE]
- 发烧珍品《数位CD音响测试-动向效果(九)》【WAV+CUE】
- 邝美云《邝美云精装歌集》[DSF][1.6G]
- 吕方《爱一回伤一回》[WAV+CUE][454M]