7 "github.com/aliyun/aliyun-oss-go-sdk/oss"
10 // ObjectMetaSample shows how to get and set the object metadata
11 func ObjectMetaSample() {
13 bucket, err := GetTestBucket(bucketName)
19 err = bucket.PutObject(objectKey, strings.NewReader("YoursObjectValue"))
24 // Case 0: Set bucket meta. one or more properties could be set
25 // Note: Meta is case insensitive
26 options := []oss.Option{
27 oss.Expires(futureDate),
28 oss.Meta("myprop", "mypropval")}
29 err = bucket.SetObjectMeta(objectKey, options...)
34 // Case 1: Get the object metadata. Only return basic meta information includes ETag, size and last modified.
35 props, err := bucket.GetObjectMeta(objectKey)
39 fmt.Println("Object Meta:", props)
41 // Case 2: Get all the detailed object meta including custom meta
42 props, err = bucket.GetObjectDetailedMeta(objectKey)
46 fmt.Println("Expires:", props.Get("Expires"))
48 // Case 3: Get the object's all metadata with contraints. When constraints are met, return the metadata.
49 props, err = bucket.GetObjectDetailedMeta(objectKey, oss.IfUnmodifiedSince(futureDate))
53 fmt.Println("MyProp:", props.Get("X-Oss-Meta-Myprop"))
55 _, err = bucket.GetObjectDetailedMeta(objectKey, oss.IfModifiedSince(futureDate))
60 goar, err := bucket.GetObjectACL(objectKey)
64 fmt.Println("Object ACL:", goar.ACL)
66 // Delete object and bucket
67 err = DeleteTestBucketAndObject(bucketName)
72 fmt.Println("ObjectMetaSample completed")