php如何压缩和解压zip文件？php ZipArchive类压缩解压操作

extension=zip

<?php

$zip = new ZipArchive();
$zip_file = 'my_archive.zip';

if ($zip->open($zip_file, ZipArchive::CREATE) !== TRUE) {
    exit("无法打开 <$zip_file>\n");
}

$zip->addFile('my_text_file.txt', 'my_text_file.txt'); // 添加文件到压缩包
$zip->addFromString('my_string_file.txt', 'This is a string to add.'); // 添加字符串到压缩包

echo "文件数量：" . $zip->numFiles . "\n";
echo "状态：" . $zip->status . "\n";

$zip->close();

echo "压缩完成，文件名为：$zip_file\n";

?>

my_archive.zip

my_text_file.txt

addFile

addFromString

my_archive.zip

<?php

$zip = new ZipArchive();
$zip_file = 'my_archive.zip';
$extract_path = 'extracted_files/';

if ($zip->open($zip_file) !== TRUE) {
    exit("无法打开 <$zip_file>\n");
}

$zip->extractTo($extract_path);
$zip->close();

echo "解压完成，解压到：$extract_path\n";

?>

my_archive.zip

extracted_files/

extracted_files/

status

getStatusString

<?php

$zip = new ZipArchive();
$zip_file = 'my_archive.zip';

if ($zip->open($zip_file, ZipArchive::CREATE) !== TRUE) {
    echo "无法打开 <$zip_file>\n";
    // 可以根据具体错误码进行处理
    // 例如：
    // if ($zip->status == ZipArchive::ER_NOZIP) {
    //     echo "文件不是有效的zip文件\n";
    // }
    exit;
}

// ... 添加文件 ...

$zip->close();

if ($zip->status != ZipArchive::ER_OK) {
    echo "压缩过程中出现错误：" . $zip->getStatusString() . "\n";
} else {
    echo "压缩完成，文件名为：$zip_file\n";
}

?>

<?php

$zip = new ZipArchive();
$zip_file = 'my_archive.zip';
$directory = 'my_directory';

if ($zip->open($zip_file, ZipArchive::CREATE) !== TRUE) {
    exit("无法打开 <$zip_file>\n");
}

$files = new RecursiveIteratorIterator(
    new RecursiveDirectoryIterator($directory),
    RecursiveIteratorIterator::LEAVES_ONLY
);

foreach ($files as $name => $file)
{
    if (!$file->isDir())
    {
        $filePath = $file->getRealPath();
        $relativePath = substr($filePath, strlen($directory) + 1);

        $zip->addFile($filePath, $relativePath);
    }
}

$zip->close();

echo "压缩完成，文件名为：$zip_file\n";

?>

RecursiveDirectoryIterator

$relativePath

<?php

$zip = new ZipArchive();
$zip_file = 'my_archive.zip';

if ($zip->open($zip_file, ZipArchive::CREATE) !== TRUE) {
    exit("无法打开 <$zip_file>\n");
}

$file_name = '中文文件名.txt';
$zip->addFile($file_name, iconv('UTF-8', 'GBK', $file_name));

$zip->close();

echo "压缩完成，文件名为：$zip_file\n";

?>

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