/**
* @param string $imgUrl image url e.g. http://static.oschina.net/uploads/user/277/554046_50.jpg
* @param string $savePath 图片保存路径
* @param string $rename 图片重命名(只写名称，不用后缀) 为空则使用原名称
* @return string
*/
public static function fetchImg($imgUrl, $savePath, $rename = '')
{
// e.g. http://static.oschina.net/uploads/user/277/554046_50.jpg?t=34512323
if (strpos($imgUrl, '?')) {
list($real, ) = explode('?', $imgUrl, 2);
} else {
$real = $imgUrl;
}
$last = trim(strrchr($real, '/'), '/');
// special url e.g http://img.blog.csdn.net/20150929103749499
if (false === strpos($last, '.')) {
$suffix = '.jpg';
$name = $rename ?: $last;
} else {
$suffix = File::getSuffix($real) ?: '.jpg';
$name = $rename ?: File::getName($real, 1);
}
$imgFile = $savePath . '/' . $name . $suffix;
if (file_exists($imgFile)) {
return $imgFile;
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, UrlHelper::encode2($imgUrl));
// curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
// 伪造网页来源地址,伪造来自百度的表单提交
curl_setopt($ch, CURLOPT_REFERER, 'http://www.baidu.com');
$imgData = self::execute($ch);
Directory::create($savePath);
file_put_contents($imgFile, $imgData);
return $imgFile;
}
/**
* @param string $url
* @param string $saveFile If is empty, will save to old file dir.
* @param string $webPath
* @return string
* @throws FileNotFoundException
* @throws FileSystemException
*/
public function compressAndSave($url, $saveFile = '', $webPath = '')
{
// is full url, have http ...
if (!UrlHelper::isRelative($url)) {
return $url;
}
$oldKey = null;
$basePath = $this->getBasePath();
$sourceFile = $basePath . '/' . $url;
if (!is_file($sourceFile)) {
throw new FileNotFoundException("File [{$sourceFile}] don't exists!!");
}
// maybe need create directory.
if ($saveFile) {
$saveDir = dirname($saveFile);
// create path.
if (!Directory::create($saveDir)) {
throw new FileSystemException("Create dir path [{$saveDir}] failure!!");
}
} else {
$saveFile = substr($sourceFile, 0, -strlen($this->assetType)) . 'min.' . $this->assetType;
}
// check target file exists
if (file_exists($saveFile)) {
$oldKey = md5(file_get_contents($saveFile));
}
if ($this->assetType === self::TYPE_CSS) {
$minifier = new Minify\CSS($sourceFile);
} else {
$minifier = new Minify\JS($sourceFile);
}
// check file content has changed.
if ($oldKey) {
$newContent = $minifier->minify();
$newKey = md5($newContent);
if ($newKey !== $oldKey) {
File::write($newContent, $saveFile);
}
} else {
$minifier->minify($saveFile);
}
return $this->baseUrl . str_replace($webPath ?: $basePath, '', $saveFile);
}
/**
* 获得目录下的文件以及详细信息，可选择类型、是否遍历子文件夹
* @param $dirName string 目标目录
* @param $ext array('css','html','php') css|html|php
* @param $recursive int|bool 是否包含子目录
* @param array $list
* @return array
* @throws NotFoundException
*/
public static function getFilesInfo($dirName, $ext = null, $recursive = 0, &$list = [])
{
$dirName = self::pathFormat($dirName);
if (!is_dir($dirName)) {
throw new NotFoundException('目录' . $dirName . ' 不存在！');
}
$ext = is_array($ext) ? implode('|', $ext) : trim($ext);
static $id = 0;
//glob()寻找与模式匹配的文件路径
foreach (glob($dirName . '*') as $file) {
$id++;
// 匹配文件 如果没有传入$ext 则全部遍历，传入了则按传入的类型来查找
if (is_file($file) && (!$ext || preg_match("/\\.({$ext})\$/i", $file))) {
$list[$id] = File::getInfo($file);
//是否遍历子目录
} elseif ($recursive) {
$list = self::getFilesInfo($file, $ext, $recursive, $list);
}
}
return $list;
}
/**
* @param string $from The is full file path
* @param string $to The is a relative path
* @param bool|false $override
*/
public function publishFile($from, $to, $override = false)
{
$targetFile = Directory::isAbsPath($to) ? $to : $this->publishPath . '/' . $to;
//$targetFile = $to . '/' . basename($from);
if (!file_exists($targetFile) || $override) {
if (!Directory::create(dirname($targetFile), 0775)) {
throw new FileSystemException('Create dir path [' . dirname($targetFile) . '] failure.');
}
File::copy($from, $targetFile);
$this->publishedAssets['created'][] = $targetFile;
} else {
$this->publishedAssets['skipped'][] = $targetFile;
}
}