S3對(duì)公網(wǎng)開(kāi)放，解決權(quán)限問(wèn)題
1、進(jìn)入存儲(chǔ)桶，點(diǎn)擊權(quán)限，定位到“阻止公有訪(fǎng)問(wèn)(存儲(chǔ)桶設(shè)置)”，全部不勾選

2、定位到“存儲(chǔ)桶策略” 編輯更改內(nèi)容
（公開(kāi)）

{
    "Version": "2008-10-17",
    "Id": "Policy1380877762691",
    "Statement": [
        {
            "Sid": "Stmt1380877761162",
            "Effect": "Allow",
            "Principal": {
                "AWS": "*"
            },
            "Action": "s3:GetObject",
            "Resource": "arn:aws:s3:::存儲(chǔ)桶名稱(chēng)/*"
        }
    ]
}

（可以是公有的）

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "DelegateS3Access",
            "Effect": "Allow",
            "Principal": {
                "AWS": "arn:aws:iam::角色自己定義:user/s3tos3"
            },
            "Action": [
                "s3:ListBucket",
                "s3:GetObject",
                "s3:PutObject"
            ],
            "Resource": [
                "arn:aws:s3:::存儲(chǔ)桶名稱(chēng)/*",
                "arn:aws:s3:::存儲(chǔ)桶名稱(chēng)"
            ]
        }
    ]

3、解決跨域問(wèn)題
定位到“跨源資源共享(CORS)”，編輯內(nèi)容
相關(guān)亞馬遜文檔：亞馬遜S3跨域配置文檔

[
    {
        "AllowedHeaders": [
            "*"
        ],
        "AllowedMethods": [
            "PUT",
            "POST",
            "DELETE"
        ],
        "AllowedOrigins": [
            "請(qǐng)求方的域名地址，也可以配置成所有--*"
        ],
        "ExposeHeaders": [
            "x-amz-server-side-encryption",
            "x-amz-request-id",
            "x-amz-id-2"
        ],
        "MaxAgeSeconds": 3000
    }
]

補(bǔ)：如果不是對(duì)公網(wǎng)開(kāi)放的存儲(chǔ)桶策略格式可以是如下

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "DelegateS3Access",
            "Effect": "Allow",
            "Principal": {
                "AWS": "arn:aws:iam::賬號(hào)id:user/s3tos3"
            },
            "Action": [
                "s3:ListBucket",
                "s3:GetObject",
                "s3:PutObject"
            ],
            "Resource": [
                "arn:aws:s3:::存儲(chǔ)桶名稱(chēng)/*",
                "arn:aws:s3:::存儲(chǔ)桶名稱(chēng)"
            ]
        }
    ]
}

配置對(duì)公網(wǎng)開(kāi)放的配置文章來(lái)源地址http://www.zghlxwxcb.cn/news/detail-507448.html

{
    "Version": "2008-10-17",
    "Id": "Policy1380877762691",
    "Statement": [
        {
            "Sid": "Stmt1380877761162",
            "Effect": "Allow",
            "Principal": {
                "AWS": "*"
            },
            "Action": "s3:GetObject",
            "Resource": "arn:aws:s3:::存儲(chǔ)桶名稱(chēng)/*"
        }
    ]
}

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