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<?php
/**
* upload文件浏览器
*
* @version 0.0.0
* @author by huwhois
* @time 2017/11/27
*/
namespace app\admin\controller;
use think\Request;
class FileManager extends Base
{
protected $img_path = ROOT_PATH . 'public' . DS . 'uploads'. DS;
protected $t_suffix = '_thumb';
protected $t_width = 384;
protected $t_height = 224;
protected $t_type = 6;
protected $request;
public function __construct(Request $request = null)
{
parent::__construct($request);
$this->request = $request;
}
public function uploadimg()
{
if ($this->request->isAjax()) {
// $isthumb = $this->request->has('isthumb', 'post') ? $this->request->post('isthumb') : 0;
$file = $this->request->file('upload_file');
if ($file) {
$info = $file->validate(['size'=>2097152,'ext'=>'jpg,png,gif,jpeg'])->move($this->img_path);
if ($info) {
$filename = $info->getSaveName();
return ['code'=>1, 'picname' => '/uploads/' . str_replace('\\', '/', $filename)];
} else {
$this->error($file->getError());
}
unset($info);
}
$this->error('图片不能为空');
} else {
return $this->fetch();
}
}
public function index()
{
$data = $this->explorer();
$this->assign('dirs', $data['dirs']);
$this->assign('files', $data['files']);
$this->assign('counts', $data['counts']);
$this->assign('activeurl', $data['activeurl']);
$this->assign('activepath', $data['activepath']);
return $this->fetch();
}
/**
* 获取当前文件相关信息
* @return array $data 文件信息数据组
*/
protected function explorer()
{
$param = $this->request->param();
$activepath = isset($param['activepath'])? $param['activepath'] : '';
$inpath = "";
$inpath = $this->img_path . $activepath;
$dirhandle = scandir($inpath);
$dirs = $files = [];
define('BKM', 1024);
foreach ($dirhandle as $val) {
if ($val == "." || $val == "..") {
continue;
} elseif (is_dir($inpath . DS . $val)) {
$dirs[] = $val;
} else {
$arr = [];
$file = '';
$file = $inpath . DS . $val;
$arr['name'] = $val;
$arr['extension'] = pathinfo($file, PATHINFO_EXTENSION);
$filesize = floatval(filesize($file));
if ($filesize>BKM) {
$filesize = round($filesize/BKM, 2);
if ($filesize>BKM) {
$filesize = round($filesize/BKM, 2);
$filesize .="M";
} else {
$filesize .="K";
}
} else {
$filesize .="B";
}
$arr['size'] = $filesize;
$filetime = filemtime("$file");
$arr['time'] = date("Y-m-d H:i:s", $filetime);
$files[] = $arr;
}
}
$counts = count($dirs)+count($files);
$activeurl = preg_replace("#[\/][^\/]*$#i", "", $activepath);
$data = [
'dirs' => $dirs,
'files' => $files,
'counts' => $counts,
'activeurl' => $activeurl,
'activepath'=> $activepath,
];
return $data;
}
public function delDir()
{
if ($this->request->isAjax()) {
$activepath = $this->request->param('activepath');
$activepath = str_replace('/', DS, $activepath);
$dir = $this->request->param('dir');
$dir_name = ROOT_PATH.'public'.DS.$activepath.DS.$dir;
if (count(scandir($dir_name)) > 2) {
return ['status'=>1,'msg'=>'不可删除非空目录'];
}
if (rmdir($dir_name)) {
return ['status'=>2,'msg'=>'success'];
} else {
return ['status'=>0,'msg'=>'failed'];
}
}
}
public function del()
{
if ($this->request->isAjax()) {
$activepath = $this->request->param('activepath');
$activepath = str_replace('/', DS, $activepath);
$filename = $this->request->param('filename');
if (unlink(ROOT_PATH.'public'.DS.$activepath.DS.$filename)) {
return ['status'=>1,'msg'=>'success'];
} else {
return ['status'=>0,'msg'=>'failed'];
}
}
}
/**
* 删除文件
*/
public function delete()
{
if ($this->request->isAjax()) {
$param = $this->request->param();
$filename = $param['filename'];
// var_dump($filename);
// exit;
if (is_array($filename)) {
foreach ($filename as $value) {
if(!unlink(ROOT_PATH.'public' . $value)) {
return ['code'=>0,'msg'=>'failed'];
}
}
return ['code'=>1,'msg'=>'success'];
} else {
if (unlink(ROOT_PATH.'public' . $filename)) {
return ['code'=>1,'msg'=>'success'];
} else {
return ['code'=>0,'msg'=>'failed'];
}
}
}
}
public function upload()
{
if ($this->request->isGet()) {
return $this->fetch();
} else {
$isthumb = $this->request->has('isthumb', 'post') ? $this->request->post('isthumb') : 0;
$mode = $this->request->has('formername', 'post') ? $this->request->post('formername') : 0;
$file = request()->file('upload_file');
$info = $this->saveUpload($file, $mode);
if (!$info) {
$this->error($info->getError());
}
$filename = $info->getSaveName();
unset($info);
if ($isthumb == 1) {
$width = $this->request->has('width', 'post') ? $this->request->post('width') : $this->t_width;
$height = $this->request->has('height', 'post') ? $this->request->post('height') : $this->t_height;
$type = $this->request->has('type', 'type') ? $this->request->post('type') : $this->t_type;
$thumbname = $this->makeThumb($filename, $width, $height, $type);
if (!$thumbname) {
$this->error('缩略图生成失败');
}
} else {
$thumbname = '';
}
$picname = '/uploads'.'/'.str_replace(DS,'/',$filename);
$thumbname = '/uploads'.'/'.str_replace(DS,'/',$thumbname);
if ($this->request->isAjax()) {
return ['code'=>2, 'picname' => $picname, 'thumbname'=>$thumbname];
} else {
$this->success('上传成功', 'admin/file_manager/index');
}
}
}
/**
* 保存上传的图片
* @param object $file 获取的上传对象
* @param boolean $mode 是否保存原文件名 0(false), 生成新名称; 1(true), 保留原名
* @return object 返回文件保存对象
*/
protected function saveUpload($file, $mode)
{
$validate = ['size'=>2097152,'ext'=>'jpg,png,gif,jpeg'];
if ($mode) {
$upload = $file->validate($validate)->move(ROOT_PATH . 'public' . DS . 'uploads', '');
} else {
$upload = $file->validate($validate)->move(ROOT_PATH . 'public' . DS . 'uploads');
}
return $upload;
}
/**
* 生成缩略图
* @param string $filename 必须参数, 图片路径名(相对or绝对)(/public/uploads/...)
* @param int $width 缩略图宽值, 默认 280px;
* @param int $height 缩略图高值, 默认 160px;
* @param int $type 缩略图裁剪方式, 默认值 6, 固定尺寸缩放; 其他: 1, 等比例缩放;
* 2, 缩放后填充; 3, 居中裁剪; 4, 左上角裁剪; 5, 右下角裁剪
* @return string $thumbname 缩略图文件名
*/
protected function makeThumb($filename, $width = 280, $height = 160, $type = 6)
{
$file = $this->img_path . $filename;
$ext = pathinfo($file, PATHINFO_EXTENSION);
$thumbname = str_replace('.' . $ext, '', $filename) . $this->t_suffix . '.' . $ext;
$image = \think\Image::open($file);
$result = $image->thumb($width, $height, $type)->save($this->img_path . $thumbname);
return $result ? $thumbname : false;
}
/**
* 站内选择
* @return void
*/
public function selectPicture()
{
$data = $this->explorer();
$this->assign('data', $data);
return $this->fetch();
}
public function uploadPicture()
{
return $this->fetch();
}
// public function onlinePicture()
// {
// if ($this->request->isAjax()) {
// $param = $this->request->param();
// $urlimg = $param['filename'];
// $download = $param['download'];
// $isthumb = $param['isthumb'];
// $formername = $param['formername'];
// $res = \mylib\GetImageByurl::isImg($urlimg);
// if (!$res) {
// $this->error('该图片不合法');
// } else {
// if (!$download) {
// return ['code'=>2,'filename'=>$urlimg];
// } else {
// $basepath = \config('url_domain_root') . '/uploads';
// // var_dump($param);
// if ($isthumb!=1 && preg_match("#" . $basepath . "#i", $urlimg)) {
// $this->error('图片已在服务其中, 可直接选用');
// }
// // 按文件夹日期夹存放图片
// $today = date('Ymd', time());
// $savePath = $this->img_path . $today;
// if (!is_dir($savePath)) {
// if (mkdir($savePath) == false) {
// $this->error('下载失败, 请稍后重试');
// }
// }
// if ($formername==1) {
// // 获取原文件名
// $fileinfo = pathinfo($urlimg);
// if (!isset($fileinfo['extension']) || !in_array($fileinfo['extension'], ['jpg', 'jpeg', 'png', 'gif'])) {
// $ext = \mylib\GetImageByurl::getEXTENSION($urlimg);
// }
// $filename = $fileinfo['basename'] . '.' . $ext;
// } else {
// $filename = '';
// }
// $filename = \mylib\GetImageByurl::getImageByurl($urlimg, $filename, $savePath);
// if ($filename) {
// // 生成缩略图
// if ($isthumb==1) {
// $width = $this->request->has('width', 'post') ? $this->request->post('width') : $this->t_width;
// $height = $this->request->has('height', 'post') ? $this->request->post('height') : $this->t_height;
// $thumbname = $this->makeThumb($today . DS . $filename, $width, $height);
// if (!$thumbname) {
// $this->error('缩略图生成失败');
// }
// } else {
// $thumbname = '';
// }
// return ['code'=>2, 'filename' => $today . DS . $filename, 'thumbname'=>$thumbname];
// } else {
// $this->error('图片下载失败');
// }
// }
// }
// } else {
// return $this->fetch();
// }
// }
/**
* 判断(远程)文件是否为图片
*/
// public function isImg()
// {
// if ($this->request->isAjax()) {
// $filename = $this->request->param('filename');
// $res = \mylib\GetImageByurl::isImg($filename);
// if (!$res) {
// $this->error('该图片不合法');
// } else {
// return ['code'=>2,'msg'=>'图片地址可用'];
// }
// }
// }
}
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