Yii2.0使用阿里云OSS的SDK上传图片、下载、删除图片示例

composer require aliyuncs/oss-sdk-php

<?php
/**
 * @Author: Marte
 * @Date:  2017-09-04 11:31:20
 * @Last Modified by:  Marte
 * @Last Modified time: 2017-09-06 16:19:28
 */
namespace common\components;

use Yii;
use yii\base\Component;
use OSS\OssClient;
use OSS\Croe\OssException;

class Aliyunoss extends Component
{
  public static $oss;

  public function __construct()
  {
    parent::__construct();
    $accessKeyId = Yii::$app->params['oss']['accessKeyId'];         //获取阿里云oss的accessKeyId
    $accessKeySecret = Yii::$app->params['oss']['accessKeySecret'];     //获取阿里云oss的accessKeySecret
    $endpoint = Yii::$app->params['oss']['endPoint'];            //获取阿里云oss的endPoint
    self::$oss = new OssClient($accessKeyId, $accessKeySecret, $endpoint); //实例化OssClient对象
  }

  /**
   * 使用阿里云oss上传文件
   * @param $object  保存到阿里云oss的文件名
   * @param $filepath 文件在本地的绝对路径
   * @return bool   上传是否成功
   */
  public function upload($object, $filepath)
  {
    // $res = false;
    $bucket = Yii::$app->params['oss']['bucket']; //获取阿里云oss的bucket

    $result=array();
    try{
      $getOssInfo=self::$oss->uploadFile($bucket, $object, $filepath);
      $result['url'] = $getOssInfo['info']['url'];
      if($getOssInfo['info']['url']){
        @unlink(substr($_path, 1));
      }
    }catch(OssException $e){
      var_dump($e);
      return;
    };
    $url=$result['url'];
    return $url;
    // var_dump("$url");die();

   //   $res = true;
    //   return $url;
  }


  /**
   * 删除指定文件
   * @param $object 被删除的文件名
   * @return bool  删除是否成功
   */
  public function delete($object)
  {
    $res = false;
    $bucket = Yii::$app->params['oss']['bucket'];  //获取阿里云oss的bucket
    if (self::$oss->deleteObject($bucket, $object)){
    //调用deleteObject方法把服务器文件上传到阿里云oss
      $res = true;
    }
    return $res;
  }

//测试
  public function test(){
    echo 123;
    echo "success";
  }
}

  'Aliyunoss' => [
    'class' => 'common\components\Aliyunoss',
   ],

'oss' =>[                     //阿里云OSS
    'ossServer' => 'oss-cn-   .aliyuncs.com', //服务器外网地址，
    'ossServerInternal' => 'oss-cn-   .aliyuncs.com', //服务器内网地址
    'accessKeyId'=>'    ',
    'accessKeySecret'=>'     ',
    'bucket' => '    ',
    'endPoint' => '     ',
  ],