上传类

namespace app\mobile\controller;

use app\common\controller\Base;
/**

• Class Upload

• @package app\api\controller 统一文件上传类
  */
  class Upload extends Base
  {
  /**

  • 上传单个文件
  • [filesOne description]
  • @param [type] $imgs [description]

  • @return [type] [description]
    /
    public function filesOne($max_filesize=8388608,$time=‘1‘,$size=‘348470‘,$max_filetime=‘30‘){
    $type=Request()->param(‘type‘);
    $files=$_FILES[‘fileName‘];
    //var_dump($files);exit;
    if (!empty($files)) {
    if ($files[‘error‘] == 0) {
    $ext = strtolower(pathinfo($files[‘name‘],PATHINFO_EXTENSION));
    $imagesExt=[‘jpeg‘,‘png‘,‘jpg‘,‘gif‘];
    $videosExt=[‘mp4‘,‘avi‘,‘wmv‘,‘video‘];
    $audiosExt=[‘mp3‘,‘audio‘];
    $imgpath=‘‘;
    if(in_array($ext,$imagesExt)){
    $path = ROOT_PATH . ‘public‘ . DS . ‘uploads‘.DS .‘image‘ .DS . $type . DS;
    }elseif (in_array($ext,$videosExt)){
    $path = ROOT_PATH . ‘public‘ . DS . ‘uploads‘.DS .‘video‘ .DS . $type . DS;
    }elseif (in_array($ext,$audiosExt)){
    $path = ROOT_PATH . ‘public‘ . DS . ‘uploads‘.DS .‘music‘ .DS . $type . DS;
    }else{
    $ret = returnArr(-1,‘‘,‘文件类型有误‘);
    return json($ret);
    }
    if (!is_dir($path)){
    mkdir($path,0777,true);
    }
    // 生成唯一的文件名
    $fileName = md5(uniqid(microtime(true),true)).‘.‘.$ext;
    // 将文件名拼接到指定的目录下
    $destName = $path.$fileName;
    if($files[‘size‘] <= $max_filesize){
    // $file = move_uploaded_file($files[‘tmp_name‘], $path); //将临时文件转移至规定位置
    if(in_array($ext,$videosExt)){
    $coverName=md5(uniqid(microtime(true),true)).‘.jpg‘;
    // ffmpeg -i E:\phpstudy_pro\WWW\weilv\public\uploads\video\1\142883ac94d5eb5820c4b13b9263a66ec.mp4 -ss 1 -f image2 E:\phpstudy_pro\WWW\weilv\public\uploads\video\1\d99496887efed5587683a3e5e877ff24.jpg
    // $str = "ffmpeg -i " . $destName . " -y -f mjpeg -ss " . $time . " -t 0.001 -s $size " . $path . $coverName;
    // $str = "ffmpeg -i ".$destName." -ss 1 -f image2 " .$path.$coverName;
    $times=get_video_times($files[‘tmp_name‘]);//00:00:24
    $seconds=getSeconds($times);//24
    if($seconds > $max_filetime){ //时长判断
    $ret = returnArr(-3,‘‘,‘上传的文件不能大于30秒‘);
    return json($ret);
    }
    // 进行文件移动
    if (!move_uploaded_file($files[‘tmp_name‘],$destName)){
    $ret = returnArr(-2,‘‘,‘文件上传失败‘);
    return json($ret);
    }
    $imgpath=get_img_by_video($destName, $path.$coverName,$size,$time);//截取视频第一秒第一帧
    }
    $msg = array(
    ‘code‘ => 1,
    ‘ext‘ => $ext,
    ‘path‘ => $destName,
    ‘filename‘=> $fileName,
    ‘coverName‘=> $imgpath,
    ‘time‘=> $seconds,
    // ‘ctime‘=> $ctime,
    );
    $ret = returnArr(1,$msg,‘文件上传成功‘);
    }elseif($files[‘size‘] > $max_filesize){
    $ret = returnArr(-3,‘‘,‘上传的文件不能大于8M‘);

        }else{
            $ret = returnArr(-3,‘‘,‘上传文件异常‘);
    
        }
    }else{
        $ret = returnArr(-3,‘‘,‘上传文件异常‘);
    
    }

    }else{
    $ret = returnArr(-3,‘‘,‘上传文件异常‘);

    }
    return json($ret);
    }

  /**

  • 上传多个文件
  • [filesUp description]
  • @param [type] $imgs [description]
  • @return [type] [description]
    */
    public function filesUp(){
    $imgurl = [];
    $imgs=$_FILES[‘fileName‘];
    $type=Request()->param(‘type‘);
    if (count($imgs[‘name‘]) > 0) {
    for ($i=0; $i < count($imgs[‘name‘]); $i++) {
    $arr[$i][‘name‘] = $imgs[‘name‘][$i];
    $arr[$i][‘type‘] = $imgs[‘type‘][$i];
    $arr[$i][‘tmp_name‘] = $imgs[‘tmp_name‘][$i];
    $arr[$i][‘error‘] = $imgs[‘error‘][$i];
    $arr[$i][‘size‘] = $imgs[‘size‘][$i];
    }
    foreach ($arr as $key => $value) {
    if ($value[‘error‘] == 0) {
    $ext = strtolower(pathinfo($value[‘name‘],PATHINFO_EXTENSION));
    $path = ROOT_PATH . ‘public‘ . DS . ‘uploads‘.DS .‘image‘ .DS . $type . DS;
    if (!is_dir($path)){
    mkdir($path,0777,true);
    }
    // 生成唯一的文件名
    $fileName = md5(uniqid(microtime(true),true)).‘.‘.$ext;
    // 将文件名拼接到指定的目录下
    $destName = $path."/".$fileName;
    //var_dump($path);exit;
    if (!move_uploaded_file($value[‘tmp_name‘],$destName)){
    $ret = returnArr(-2,‘‘,‘文件上传失败‘);
    return json($ret);
    }
    $imgurl[] = $destName;//json_encode
    }
    }
    }
    $data=json_encode($imgurl);
    $ret = returnArr(1,$data,‘文件上传成功‘);
    return json($ret);

  }

  /**

  • 时分秒转换成秒
  • @param $string

  • @return float|int
    /
    function getSeconds($string)
    {
    $arr = explode(‘:‘, $string);
    $len = count($arr);
    return (int)$arr[$len - 1] + (int)$arr[$len - 2] 60 + (($len > 2 ? (int)$arr[$len - 3] : 0) 60 60);
    }

               /**获取视频缩略图

  • $videopath : 视频绝对地址
  • $imgpath : 缩略图保存地址

  • $time : 截取第几帧为缩略图
    */
    function get_img_by_video($videopath, $imgpath,$size, $time = 1,$ffempeg_path=‘E:\apizz\ffmpeg-20190202-6dc06e9-win32-shared\bin\ffmpeg.exe‘)
    {

    if (!file_exists($videopath)) return false;
    if (strpos(PHP_OS, ‘WIN‘) !== false) { //windows系统
        $str = "{$ffempeg_path} -i {$videopath} -y -f mjpeg -ss 3 -t {$time} -s {$size} {$imgpath}";
       system($str);
        return $imgpath;
    }

    }

          /**

  • 获取视频总时长
  • @param string $ffmpeg_path [ffmpeg.exe的绝对路径]

  • @param string $video_path [video的绝对路径]
    */
    function get_video_times($video_path, $ffmpeg_path = ‘E:\apizz\ffmpeg-20190202-6dc06e9-win32-shared\bin\ffmpeg.exe‘)
    {

    if (!file_exists($video_path)){
        $ret=returnArr(-1,‘‘,‘视频文件不存在‘);
        return $ret;
    } //return [‘status‘ => 0, ‘msg‘ => ‘视频文件不存在‘];
    
    $times = false;
    $commond = "{$ffmpeg_path} -i {$video_path} 2>&1";
    exec($commond, $str_res, $str_r);
    
    if (is_array($str_res)) {
        foreach ($str_res as $v) {
            if (strpos($v, ‘Duration‘) !== false) {
                $times = substr($v, stripos($v, ‘.‘) - 8, 8);//‘  Duration: 00:24:28.14, start: 0.000000, bitrate: 486 kb/s‘
                break;
            }
        }
    }

    // $ret= $times ? returnArr(1,$times,‘cg‘) :returnArr(1,‘‘,‘获取视频时间失败‘);
    return $times;
    //return $times ? [‘status‘ => 1, ‘msg‘ => $times] : [‘status‘ => 0, ‘msg‘ => ‘获取视频时间失败‘];
    }

}

上传类

原文：https://blog.51cto.com/13346331/2454592