composer使用，安装移动云对象存储aws-sdk-php为例

[root@shengyihuo01 ~]# vim composer.json    
"require" : {
		"elasticsearch/elasticsearch": "~2.0",
		 "qcloud/cos-sdk-v5": ">=1.0",
		"aliyuncs/oss-sdk-PHP": "^2.3",
		"aws/aws-sdk-PHP": "2.8.24"
    },	
[root@shengyihuo01 ~]# composer update
[root@shengyihuo01 ~]# composer install
[root@shengyihuo01 ~]# chmod -R 777 vendor