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<% // Set the content type based to zip
response.setContentType("Content-type:text/zip");
response.setHeader("Content-Disposition", "attachment; filename=mytest.zip");
// List of files to be downloaded
List files = new ArrayList();
files.add(new File("C:/first.txt"));
files.add(new File("C:/second.txt"));
files.add(new File("C:/third.txt"));
ServletOutputStream out1 = response.getOutputStream();
ZipOutputStream zos = new ZipOutputStream(new BufferedOutputStream(out1));
for (Object file : files)
{
//System.out.println("Adding file " + file.getName());
System.out.println("Adding file " + file.getClass().getName());
//zos.putNextEntry(new ZipEntry(file.getName()));
zos.putNextEntry(new ZipEntry(file.getClass().getName()));
// Get the file
FileInputStream fis = null;
try {
fis = new FileInputStream(file);
} catch (Exception E) {
// If the file does not exists, write an error entry instead of file contents
//zos.write(("ERROR: Could not find file " + file.getName()).getBytes());
zos.write(("ERROR: Could not find file" +file.getClass().getName()).getBytes());
zos.closeEntry();
//System.out.println("Could not find file "+ file.getAbsolutePath());
continue;
}
BufferedInputStream fif = new BufferedInputStream(fis);
// Write the contents of the file
int data = 0;
while ((data = fif.read()) != -1) {
zos.write(data);
}
fif.close();
zos.closeEntry();
//System.out.println("Finished adding file " + file.getName());
System.out.println("Finished adding file " + file.getClass().getName());
}
zos.close();
%>
这是我的实际程序,想压缩多个文件,然后下载它,是我正在做的方式是正确的或错误的,是新的JAVA编程,你能帮我吗?将多个文件选择到一个zip文件并下载zip文件时出错?
您还应该发布填充'files'集合的代码。这将有助于了解内部是什么类型的对象。 – npe