PHP用自带的ZipArchive这个类进行压缩文件夹_php ziparchive压缩文件夹-优快云博客

本文介绍了一个PHP函数，用于将指定文件夹及其内容打包为ZIP文件，并提供了使用示例，包括创建ZIP文件、自动下载及解压缩的方法。

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<?php
function folderToZip($folder, &$zipFile, $subfolder = null) {
if ($zipFile == null) {
  // no resource given, exit
  return false;
}
  // we check if $folder has a slash at its end, if not, we append one
  $folder .= end(str_split($folder)) == "/" ? "" : "/";
  $subfolder .= end(str_split($subfolder)) == "/" ? "" : "/";
  // we start by going through all files in $folder
  $handle = opendir($folder);
while ($f = readdir($handle)) {
if ($f != "." && $f != "..") {
if (is_file($folder . $f)) {
  // if we find a file, store it
// if we have a subfolder, store it there
  if ($subfolder != null)
  $zipFile->addFile($folder . $f, $subfolder . $f);
else
  $zipFile->addFile($folder . $f);
} elseif (is_dir($folder . $f)) {
  // if we find a folder, create a folder in the zip
  $zipFile->addEmptyDir($f);
  // and call the function again
  folderToZip($folder . $f, $zipFile, $f);
}
}
}
}
?>

用法:
<?php
$z = new ZipArchive();
$z->open("test.zip", ZIPARCHIVE::CREATE);
folderToZip("storeThisFolder", $z);

$z->close();

//设置打包完自动下载

$zipname = "test.zip";
header('Content-Type: application/zip');
header('Content-disposition: attachment; filename='.$zipname);
header('Content-Length: ' . filesize($zipname));
readfile($zipname);

//解压缩

$zip = new ZipArchive;
if ($zip->open('test.zip') === TRUE) {
    $zip->extractTo('/my/destination/dir/');
    $zip->close();
    echo 'ok';
} else {
    echo 'failed';
}