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设置访问权限（ACL）__JavaScript-SDK_SDK 参考_对象存储 OSS-阿里云

OSS允许用户对Bucket和Object分别设置访问权限，方便用户控制自己的资源可以被如何访问。对于Bucket，有三种访问权限：

• public-read-write 允许匿名用户向该Bucket中创建/获取/删除Object
• public-read 允许匿名用户获取该Bucket中的Object
• private 不允许匿名访问，所有的访问都要经过签名

创建Bucket时，默认是private权限。之后用户可以通过putBucketACL来设置Bucket的权限，通过getBucketACL来获取Bucket的权限。

var co = require('co');
var OSS = require('ali-oss')
var client = new OSS({
  region: '<Your region>'
  accessKeyId: '<Your AccessKeyId>',
  accessKeySecret: '<Your AccessKeySecret>',
  bucket: '<Your bucket name>'
});
co(function* () {
  var result = yield client.getBucketACL('bucket-name');
  console.log(result);
  var result = yield client.putBucketACL('bucket-name', 'region', 'acl');
  console.log(result);
}).catch(function (err) {
  console.log(err);
});

var co = require('co');
var OSS = require('ali-oss')
var client = new OSS({
  region: '<Your region>'
  accessKeyId: '<Your AccessKeyId>',
  accessKeySecret: '<Your AccessKeySecret>',
  bucket: '<Your bucket name>'
});
co(function* () {
  var result = yield client.getACL('my-object');
  console.log(result.acl); // default
  yield client.putACL('my-object', 'public-read');
  var result = yield client.getACL('my-object');
  console.log(result.acl); // public-read
}).catch(function (err) {
  console.log(err);
});