haoshengxin/api/modules/v1/controllers/ImageUploadController.php

<?php

namespace api\modules\v1\controllers;
use common\library\ImageResize;
use yii\rest\ActiveController;
use common\library\Apireturn;
use yii\helpers\ArrayHelper;
use yii\filters\auth\QueryParamAuth;
use yii;
class ImageUploadController extends ActiveController
{
    public $modelClass = 'common\models';
    public $types = array('image/bmp' => 'bmp', 'image/jpeg' => 'jpg', 'image/png' => 'png', 'image/gif' => 'gif');
    public $imgtype = array('bmp','jpg','png','gif','jpeg');
    public $filepath;
    public $enableCsrfValidation = false;

    public function behaviors()
    {
        return ArrayHelper::merge(parent::behaviors(), [
            'authenticator' => [
                'class' => QueryParamAuth::className(),
                'tokenParam' => "token",//access-token修改为token
                'optional' => [//不需要认证方法名 array

                ],
            ]
        ]);
    }


    public function actionUpload()
    {
        $imgtype =  Yii::$app->request->post('imgtype');
        if(empty($imgtype))
        {
            return Apireturn::sent(0,'图片类型不能为空',200);
        }
        $file= $_FILES;
        if(count($file)<=0)
            return Apireturn::sent(0,'未上传图片',200);
        $url =array();
        $folder = "/".$imgtype."/".date("Ym")."/".date("d")."/";
        $file_path=\Yii::getAlias('@common/allupload').$folder;
        for ($i=0;$i<count($file['imgbase']['name']);$i++)
        {
            $files['name']=$file['imgbase']['name'][$i];
            $files['type']=$file['imgbase']['type'][$i];
            $files['tmp_name']=$file['imgbase']['tmp_name'][$i];
            $files['error']=$file['imgbase']['error'][$i];
            $files['size']=$file['imgbase']['size'][$i];
            
            $result = $this->uploadFile($files,$file_path,2*1024*1024,$this->imgtype);
            if(!empty($result['dest'])) {
                $res = self::uploadresize($file_path.$result['dest'],$file_path."s_".$result['dest']);
                if($res){
                    $url[] = $folder ."s_". $result['dest'];
                }else{
                $url[] = $folder . $result['dest'];
                }
            }
            else {
                return Apireturn::sent(0, $result['mes'], 200);
            }
        }
        return Apireturn::sent(1,'success',200,$url);
    }



    public function uploadFile($file,$path='./uploads',$max_size,$allowExt){
        $filename=$file['name'];
        $type=$file['type'];
        $temp_name=$file['tmp_name'];
        $error=$file['error'];
        $size=$file['size'];


        if ($error==UPLOAD_ERR_OK) {
            if ($size>$max_size) {
                $res['mes']=$filename."文件超过规定上传大小,最多2M";
            }
            $ext=$this->getExt($filename);
            if (!in_array($ext, $allowExt)) {
                $res['mes']=$filename.'文件名不合乎规范';
            }
//            if (!is_uploaded_file($temp_name)) {
//                $res['mes']=$filename."文件不是通过HTTP POST 方法上传上传过来的";
//            }

            if (@$res) {
                return  $res;
            }

            if (!file_exists($path)) {
                mkdir($path,0777,true);
                chmod($path, 0777);

            }
            $fname=$this->getUniName();
            $url =$fname.'.'.$ext;
            $destination=$path.'/'.$fname.'.'.$ext;
            if (move_uploaded_file($temp_name, $destination)) {
                $res['mes']=$filename.'上传成功';
                $res['dest']=$url;
            }else{
                $res['mes']=$filename."文件上传失败";
            }
        }else{
            switch ($error) {
                case '1':
                    $res['mes']="超过了配置文件上传文件的大小";
                    break;
                case '2':
                    $res['mes']="超过表单设置上传文件文件的大小";
                    break;
                case '3':
                    $res['mes']="文件部分被上传";
                    break;
                case '4':
                    $res['mes']="没有文件被上传";

                    break;
                case '6':
                    $res['mes']="没有找到临时目录";
                    break;
                case '7':
                    $res['mes']="文件不可写";

                    break;
                default:
                    $res['mes']="上传文件失败";
                    break;
            }
        }

        return $res;

    }

    public function getExt($filename){
        $arr=explode('.', basename($filename));

        return end($arr);
    }

    public  function getUniName(){

        return md5(uniqid(microtime(true),true));
    }



    /**
     * 生成缩略图
     * @param $localimg
     * @param $remoteimg
     * @param int $x
     * @param int $y
     * @return bool
     */
    static function uploadresize($localimg,$remoteimg,$x = 400,$y = 400){
        $resize = new ImageResize();
        $result = $resize->resize($localimg,$remoteimg,$x,$y);

        if(!$result){
            return false;
        }
        return true;
    }


}