/**
* @Title: Download
* @Description: todo(下载)
* @author laicaixia
* @date 2013-6-2 上午10:30:49
* @throws
*/
public function Download()
{
$path = !empty($_REQUEST['path']) ? $_REQUEST['path'] : "";
@set_time_limit(C('PAGE_LIFE_TIME'));
//设置该页面最久执行时间为300秒
import("@.ORG.RunTime");
import("@.ORG.HttpDownload");
$postfix = end(explode(".", $path));
/* if($path==$postfix or ($postfix!="zip" or $postfix!="Zip" or $postfix!="ZIP")){
echo "下载程序非ZIP文件，请检查下载文件！";
exit;
}*/
$runtime = new RunTime();
$runtime->start();
#下载文件
$file = new HttpDownload();
# 实例化类
//$file->OpenUrl("http://www.ti.com.cn/cn/lit/an/rust020/rust020.pdf"); # 远程文件地址
$file->OpenUrl($path);
//$file->OpenUrl("http://dl_dir.qq.com/qqfile/qq/QQ2010/QQ2010Beta3.exe"); # 远程文件地址
//重命名下载文件
$filename = "Upgrade.zip";
//$folder=date('Y-m-d');
//$folderdir=C('UPGRADE_PATH');
$aimDir = C('UPGRADE_PATH') . "/" . date('Y-m-d');
$file->SaveToBin($filename, $aimDir);
// 保存路径及文件名
$file->Close();
# 释放资源
$runtime->stop();
echo "总下载时间：" . $runtime->spent();
}
private static function updateCache(callback $callback = null)
{
$cache = base::expand('app:/cache/geonames/');
if (!file_exists($cache)) {
mkdir($cache, 0777, true);
}
$db = new DatabaseConnection();
// Pull the list of countries to update
$rs = $db->getRows("SELECT * FROM geonames_datasets WHERE active=1");
foreach ($rs as $ci) {
$download = false;
if (!file_exists($cache . $ci['setkey'] . '.gz')) {
$download = true;
} else {
$file = new HttpRequest($ci['url'], $cache . $ci['setkey'] . '.zip', array('method' => 'head'));
$hdr = $file->headers();
$etaglocal = file_get_contents($cache . $ci['setkey'] . '.etag');
$etagremote = $hdr['ETag'];
if ($etaglocal != $etagremote) {
$download = true;
}
}
if ($download) {
cb($callback, 'Downloading ' . $ci['url'], 0, 1);
$file = new HttpDownload($ci['url'], $cache . $ci['setkey'] . '.zip');
$hdr = $file->headers();
file_put_contents($cache . $ci['setkey'] . '.etag', $hdr['ETag']);
cb($callback, 'Recompressing ' . $ci['setkey'] . '.gz', 0, 1);
// Open input stream
$fin = fopen('zip://' . $cache . $ci['setkey'] . '.zip#' . $ci['setkey'] . '.txt', 'r');
$fout = fopen('compress.zlib://' . $cache . $ci['setkey'] . '.gz', 'w');
stream_copy_to_stream($fin, $fout);
fclose($fin);
fclose($fout);
cb($callback, 'Saved ' . $ci['setkey'] . '.gz');
}
}
// Update hierarchy
$url = self::getUrl('hierarchy.zip');
if (file_exists($cache . 'hierarchy.etag')) {
$hetag = file_get_contents($cache . 'hierarchy.etag');
} else {
$hetag = null;
}
cb($callback, 'Updating hierarchy...', 0, 1);
$head = new HttpRequest($url, array('method' => 'head'));
$headers = $head->headers();
if ($hetag != $headers['ETag']) {
file_put_contents($cache . 'hierarchy.etag', $headers['ETag']);
$file = new HttpDownload($url, $cache . 'hierarchy.zip');
}
// Open input stream
$fin = fopen('zip://' . $cache . 'hierarchy.zip#hierarchy.txt', 'r');
$fout = fopen('compress.zlib://' . $cache . 'hierarchy.gz', 'w');
stream_copy_to_stream($fin, $fout);
fclose($fin);
fclose($fout);
cb($callback, 'Saved hierarchy...');
}
