s3->存储桶进入->权限->跨源资源共享(CORS)
[
{
"AllowedHeaders": [
"*"
],
"AllowedMethods": [
"GET",
"HEAD",
"PUT",
"DELETE",
"POST"
],
"AllowedOrigins": [
"*"
],
"ExposeHeaders": [
"x-amz-server-side-encryption",
"x-amz-request-id",
"x-amz-id-2",
"ETag"
]
}
]