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設置訪問權限（ACL）__JavaScript-SDK_SDK 參考_對象存儲 OSS-阿裏雲

OSS允許用戶對Bucket和Object分別設置訪問權限，方便用戶控製自己的資源可以被如何訪問。對於Bucket，有三種訪問權限：

• public-read-write 允許匿名用戶向該Bucket中創建/獲取/刪除Object
• public-read 允許匿名用戶獲取該Bucket中的Object
• private 不允許匿名訪問，所有的訪問都要經過簽名

創建Bucket時，默認是private權限。之後用戶可以通過putBucketACL來設置Bucket的權限，通過getBucketACL來獲取Bucket的權限。

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);
});