{
  "Version": "1",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "oss:ListBuckets"
      ],
      "Resource": [
        "acs:oss:*:*:*"
      ]
    },
    {
      "Effect": "Allow",
      "Action": [
        "oss:Listobjects"
      ],
      "Resource": [
        "acs:oss:*:*:Bucket_Name"
      ]
    },
    {
      "Effect": "Allow",
      "Action": [
        "oss:*"
      ],
      "Resource": [
        "acs:oss:*:*:Bucket_Name/Objcet_Name1/*"
      ]
    },
    {
      "Effect": "Allow",
      "Action": [
        "oss:*"
      ],
      "Resource": [
        "acs:oss:*:*:Bucket_Name/Objcet_Name2/*"
      ]
    }
  ]
}

以上授权策略语法是同一个bucket下的不同objcet下的授权

参考文档https://help.aliyun.com/document_detail/28663.html?spm=5176.2020520153.10402.d2.613d5ca3gvnzSq