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package sample
import (
"bytes"
"encoding/base64"
"encoding/json"
"fmt"
"os"
"strings"
"github.com/aliyun/aliyun-oss-go-sdk/oss"
)
// PutObjectSample illustrates two methods for uploading a file: simple upload and multipart upload.
func PutObjectSample() {
// Create bucket
bucket, err := GetTestBucket(bucketName)
if err != nil {
HandleError(err)
}
var val = "花间一壶酒,独酌无相亲。 举杯邀明月,对影成三人。"
// Case 1: Upload an object from a string
err = bucket.PutObject(objectKey, strings.NewReader(val))
if err != nil {
HandleError(err)
}
// Case 2: Upload an object whose value is a byte[]
err = bucket.PutObject(objectKey, bytes.NewReader([]byte(val)))
if err != nil {
HandleError(err)
}
// Case 3: Upload the local file with file handle, user should open the file at first.
fd, err := os.Open(localFile)
if err != nil {
HandleError(err)
}
defer fd.Close()
err = bucket.PutObject(objectKey, fd)
if err != nil {
HandleError(err)
}
// Case 4: Upload an object with local file name, user need not open the file.
err = bucket.PutObjectFromFile(objectKey, localFile)
if err != nil {
HandleError(err)
}
// Case 5: Upload an object with specified properties, PutObject/PutObjectFromFile/UploadFile also support this feature.
options := []oss.Option{
oss.Expires(futureDate),
oss.ObjectACL(oss.ACLPublicRead),
oss.Meta("myprop", "mypropval"),
}
err = bucket.PutObject(objectKey, strings.NewReader(val), options...)
if err != nil {
HandleError(err)
}
props, err := bucket.GetObjectDetailedMeta(objectKey)
if err != nil {
HandleError(err)
}
fmt.Println("Object Meta:", props)
// Case 6: Upload an object with sever side encrpytion kms and kms id specified
err = bucket.PutObject(objectKey, strings.NewReader(val), oss.ServerSideEncryption("KMS"), oss.ServerSideEncryptionKeyID(kmsID))
if err != nil {
HandleError(err)
}
// Case 7: Upload an object with callback
callbackMap := map[string]string{}
callbackMap["callbackUrl"] = "http://oss-demo.aliyuncs.com:23450"
callbackMap["callbackHost"] = "oss-cn-hangzhou.aliyuncs.com"
callbackMap["callbackBody"] = "filename=${object}&size=${size}&mimeType=${mimeType}"
callbackMap["callbackBodyType"] = "application/x-www-form-urlencoded"
callbackBuffer := bytes.NewBuffer([]byte{})
callbackEncoder := json.NewEncoder(callbackBuffer)
//do not encode '&' to "\u0026"
callbackEncoder.SetEscapeHTML(false)
err = callbackEncoder.Encode(callbackMap)
if err != nil {
HandleError(err)
}
callbackVal := base64.StdEncoding.EncodeToString(callbackBuffer.Bytes())
err = bucket.PutObject(objectKey, strings.NewReader(val), oss.Callback(callbackVal))
if err != nil {
HandleError(err)
}
// Case 8: Big file's multipart upload. It supports concurrent upload with resumable upload.
// multipart upload with 100K as part size. By default 1 coroutine is used and no checkpoint is used.
err = bucket.UploadFile(objectKey, localFile, 100*1024)
if err != nil {
HandleError(err)
}
// Part size is 100K and 3 coroutines are used
err = bucket.UploadFile(objectKey, localFile, 100*1024, oss.Routines(3))
if err != nil {
HandleError(err)
}
// Part size is 100K and 3 coroutines with checkpoint
err = bucket.UploadFile(objectKey, localFile, 100*1024, oss.Routines(3), oss.Checkpoint(true, ""))
if err != nil {
HandleError(err)
}
// Specify the local file path for checkpoint files.
// the 2nd parameter of Checkpoint can specify the file path, when the file path is empty, it will upload the directory.
err = bucket.UploadFile(objectKey, localFile, 100*1024, oss.Checkpoint(true, localFile+".cp"))
if err != nil {
HandleError(err)
}
// Case 9: Set the storage classes.OSS provides three storage classes: Standard, Infrequent Access, and Archive.
// Supported APIs: PutObject, CopyObject, UploadFile, AppendObject...
err = bucket.PutObject(objectKey, strings.NewReader(val), oss.ObjectStorageClass("IA"))
if err != nil {
HandleError(err)
}
// Upload a local file, and set the object's storage-class to 'Archive'.
err = bucket.UploadFile(objectKey, localFile, 100*1024, oss.ObjectStorageClass("Archive"))
if err != nil {
HandleError(err)
}
// Delete object and bucket
err = DeleteTestBucketAndObject(bucketName)
if err != nil {
HandleError(err)
}
fmt.Println("PutObjectSample completed")
}
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