一、新建TP6项目

(1)环境

PHP7+
composer

(2)新建

注：安装时间长，可用国内镜像

composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/
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tx-cloud是项目名称可自定义

composer create-project topthink/think tx-cloud
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二、安装对象存储 COS

（1）修改composer.json

{
	"require": {
    	"qcloud/cos-sdk-v5": ">=2.0"
	}
}
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（2）运行命令

composer update 
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composer install 
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（3）检查是否安装

vendor目录下是否存在qcloud

三、使用云存储

（1）完整代码

<?php
//代码路径：/项目名/app/controller/index.php
namespace app\controller;

use app\BaseController;
use Qcloud\Cos\Client;

class Index extends BaseController
{
    private $secretId = "你的云 API 密钥 SecretId"; //"云 API 密钥 SecretId";
    private $secretKey = "你的API 密钥 SecretKey"; //"云 API 密钥 SecretKey";
    private $region = "你的存储桶地域"; //设置一个默认的存储桶地域
    private $bucket = "你的存储桶名称"; //存储桶名称 格式：BucketName-APPID
    private function __cosClient(){
        return $cosClient = new Client(
            array(
                'schema' => 'http', //协议头部，默认为http
                'region' => $this->region,
                'credentials'=> array(
                    'secretId'  => $this->secretId ,
                    'secretKey' => $this->secretKey
                )
            )
        );
    }

    public function upload()
    {
        //获取上传的文件
        $file = request()->file('file');
        //获取储存桶对象
        $cosClient = $this->__cosClient();

        //上传
        try {
            $result = $cosClient->Upload(
                $bucket = $this->bucket,//存储桶名称
                $key = 'images/'.md5(uniqid()).'.'.pathinfo($file->getOriginalName(), PATHINFO_EXTENSION), //此处的 key 为对象键
                $body = fopen($file->getFileInfo()->getPathname(), "rb")//文件数据
            );
            // 请求成功
            return json([
                "msg"=>"上传成功",
                "data"=>[
                    "RequestId"=>$result['RequestId'],
                    "Bucket"=>$result['Bucket'],
                    "Key"=>$result['Key'],
                    "Location"=>$result['Location'],
                ]
            ]);
        } catch (\Exception $e) {
            // 请求失败
            return json([
                "msg" =>"上传失败",
                "data"=>[],
            ]);
            //echo $e;
        }
    }

    public function delete(){
        //获取删除图的key
        $key = input('get.')['key'];
        //获取储存桶对象
        $cosClient = $this->__cosClient();

        //删除
        try {
            $result = $cosClient->deleteObject(array(
                'Bucket' => $this->bucket,//存储桶名称
                'Key' => $key,
            ));
            // 请求成功
            return json([
                "msg"=>"删除成功",
                "data"=>[
                    "RequestId"=>$result['RequestId'],
                    "Bucket"=>$result['Bucket'],
                    "Key"=>$result['Key'],
                    "Location"=>$result['Location'],
                ]
            ]);
        } catch (\Exception $e) {
            // 请求失败
            return json([
                "msg" =>"删除失败",
                "data"=>[],
            ]);
            //echo $e;
        }
    }
}

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