Amazon web services 更改凭据和区域后,使用预先签名的url上载图像不起作用
我使用php aws sdk版本2.8.3使用预先签名的url上传了图像,但当我更改凭据和区域(us-east-1改为ap-south-1)时,它显示无效请求Amazon web services 更改凭据和区域后,使用预先签名的url上载图像不起作用,amazon-web-services,amazon-s3,aws-sdk,aws-php-sdk,Amazon Web Services,Amazon S3,Aws Sdk,Aws Php Sdk,我使用php aws sdk版本2.8.3使用预先签名的url上传了图像,但当我更改凭据和区域(us-east-1改为ap-south-1)时,它显示无效请求 <?xml version="1.0" encoding="UTF-8"?><Error><Code>InvalidRequest</Code><Message>The authorization mechanism you have pr
<?xml version="1.0" encoding="UTF-8"?><Error><Code>InvalidRequest</Code><Message>The authorization mechanism you have provided is not supported. Please use AWS4-HMAC-SHA256.</Message><RequestId>G1VJ3fghfhX92CJ5</RequestId><HostId>0Zpechghj0D/ghjCryH+XUqadJ8LXsghjghjFdwxtAFDterQDtih+u6DzrTM0i0Rfw=</HostId></Error>
图像上传不起作用的原因是什么