Document Center

    Object Storage Service

    • Product updates
    • White Paper
      • Security and compliance
        • Overview
        • Access control
        • Data encryption
        • Monitoring and audit
        • Disaster recovery
        • Data retention compliance
        • Other features
      • OSS performance optimization
        • Overview
        • Recommended design patterns
        • Guidelines for application performance optimization
      • Overview of Alibaba Cloud storage services
        • Overview
        • Object Storage Service
        • Apsara File Storage NAS
        • Block Storage
        • Cloud Paralleled File System
        • Apsara File Storage for HDFS
        • Tablestore
        • Cloud Storage Gateway
      • Optimization of Alibaba Cloud storage services
        • Overview
        • Data storage requirement assessment
        • Alibaba Cloud storage service selection
        • OSS optimization
        • Block Storage optimization
        • Continuous storage optimization
    • Product Introduction
      • What is OSS?
      • Benefits
      • Scenarios
      • Features
      • Terms
      • Limits
      • FAQ
    • Pricing
      • Billing items and methods
        • Overview
        • Storage fees
        • Traffic fees
        • API operation calling fees
        • Data processing fees
        • Object tagging fees
        • Transfer acceleration fees
        • Temporary storage fees
      • Billing methods
        • Pay-as-you-go
        • Subscription
          • Overview
          • Upgrade resource plans
          • Renew resource plans
        • SCU
      • Query OSS billing data generated on an hourly basis
      • Service status after overdue payments
      • FAQ
        • How do I deactivate OSS or stop OSS charging my resources?
        • Why is the Internet traffic displayed in the OSS console inconsistent with that of Log Service this month?
        • Why is the billed storage usage of IA and Archive objects greater than their actual storage usage?
    • Quick Start
      • Get started with OSS
      • OSS console
        • Operations in the OSS console
        • Create buckets
        • Upload objects
        • Download objects
        • Share objects
        • Use a custom domain name to access OSS resources
      • ossutil
      • ossbrowser
      • OSS SDK for Java
      • Advanced usage
    • Developer Guide
      • Usage instructions
      • Terms
      • Endpoint
        • Regions and endpoints
        • OSS domain names
        • OSS internal endpoints and VIP address ranges
        • Access to OSS resources from ECS instances by using an internal endpoint of OSS
        • Choose an OSS region
      • Storage classes
        • Overview
        • Convert storage classes
      • Buckets
        • Overview
        • Bucket naming conventions
        • Create buckets
        • Set the ACL for a bucket
        • Query the region information of a bucket
        • List buckets
        • Hierarchical namespace
        • Lifecycle
          • Lifecycle rules
          • Configuration elements
          • Configuration examples
        • Bucket inventory
        • Enable pay-by-requester
        • Map custom domain names
        • Transfer acceleration
        • Configure CORS
        • Bucket tagging
        • Delete buckets
        • FAQ
          • How do I hide the error information returned from OSS when I retrieve an object from OSS by using CDN?
          • Why am I unable to access the default homepage of a bucket when I retrieve an object from a private bucket by using CDN?
      • Objects
        • Overview
        • Object naming conventions
        • Upload files
          • Simple upload
          • Multipart upload and resumable upload
          • Upload callback
          • Authorized third-party upload
          • Form upload
          • Append upload
          • RTMP-based stream ingest
        • Download files
          • Simple download
          • Resumable download
          • Authorized third-party users to download objects
          • OSS Select
        • Manage files
          • List objects
          • Copy objects
          • Restore objects
          • Delete objects
          • Manage back-to-origin configurations
          • Configure object tagging
          • Use directories to manage objects
          • Call the SelectObject operation to query objects
        • Manage object metadata
        • Single-connection bandwidth throttling
        • FAQ
          • How do I obtain the URL of an uploaded object?
          • How do I configure the Content-Type of objects?
          • What are the OSS batch operations?
          • How do I upload and download folders to and from OSS?
          • Can I use ETag values as OSS MD5 hashes to check data consistency?
          • How to use OSS gzip?
          • How do I configure an HTTPS request and an SSL certificate?
          • Can I recover an OSS object after the object is deleted or overwritten?
          • Why can an expired signed object URL be used to access object?
          • What are the operations that affect the LastModified attribute of OSS objects?
          • Can I modify the expiration time of a signed URL?
          • How do I modify, update, and edit objects?
          • Can OSS buckets be renamed or OSS objects be migrated?
          • What do I do if "TypeError: Failed to fetch" is displayed when I use a browser to access a bucket or an object?
          • What do I do if "You are forbidden to list buckets" is returned when I access the accelerated domain name that is mapped to a bucket?
          • What do I do if my data is lost?
      • Data security
        • Access and control
          • Overview
          • Authentication
          • ACL
          • Bucket Policy
            • Overview
            • Examples
            • Tutorial: Implement data sharing across departments based on bucket policies
            • Tutorial: Authorize a RAM user under another Alibaba Cloud account by adding a bucket policy
          • RAM Policy
            • Overview
            • Common examples of RAM policies
            • Tutorial: Use RAM policies to control access to OSS
            • Tutorial: Authorize a RAM user of another Alibaba Cloud account by creating a RAM role
        • Disaster recovery
          • ZRS
          • CRR
          • Same-region replication
          • Cross-region replication in specific scenarios
          • Data replication troubleshooting
        • Data encryption
          • Server-side encryption
          • Client-side encryption
        • Versioning
          • Overview
          • Manage objects in a versioning-enabled bucket
          • Manage objects in a versioning-suspended bucket
          • Delete marker
          • FAQ
        • Signature
          • OSS request process
          • Add signatures to headers
          • Add signatures to a URL
          • FAQ
        • Use a temporary credential provided by STS to access OSS
        • Configure hotlink protection
        • Retention policy
        • OSS sandbox
        • OSS DDoS protection
      • Manage logs
        • Logging
        • Real-time log query
      • Static website hosting
        • Overview
        • Tutorial: Use a custom domain name to configure static website hosting
      • Data Processing
        • Image Processing
          • Overview
          • IMG implementation modes
          • Parameters
            • Resize images
            • Add watermarks
            • Custom crop
            • Quality transformation
            • Format conversion
            • Query image information
            • Auto-rotate
            • Incircle
            • Indexed cut
            • Rounded rectangle
            • Blur
            • Rotate
            • Gradual display
            • Query the average tone
            • Brightness
            • Sharpen
            • Contrast
          • Image style
          • Save processed images
          • Common errors
          • FAQ on using old and new versions of APIs and domain names
        • Video snapshots
      • Monitoring service
        • Overview
        • Monitoring service console user guide
        • Alert service
        • Access monitoring data
        • Metrics
        • Service monitoring, diagnosis, and troubleshooting
        • FAQ
      • Event notifications
        • Overview
        • Tutorial: Use MNS to send notifications for OSS events
    • Tools
      • OSS tools
      • ossutil
        • Overview
        • Download and installation
        • Common commands
          • appendfromfile
          • bucket-encryption
          • bucket-policy
          • bucket-tagging
          • bucket-versioning
          • cat
          • config
          • cors
          • cors-options
          • cp
            • Overview
            • Upload objects
            • Download objects
            • Copy objects
          • create-symlink (create a symbolic link)
          • du (query object sizes)
          • getallpartsize
          • hash
          • help
          • inventory (configure bucket inventories)
          • lifecycle (manage lifecycle rules)
          • listpart
          • logging
          • Irb
          • Is
          • mb (create buckets)
          • mkdir (create directories)
          • object-tagging (add, modify, query, and delete object tags)
          • probe
          • read-symlink (query a symbolic link)
          • referer
          • replication
          • request-payment (configure pay-by-requester)
          • restore (restore objects)
          • revert-versioning
          • rm
          • set-acl (configure or modify object or bucket ACLs)
          • set-meta
          • sign (generate signed object URLs)
          • stat
          • sync (synchronize objects)
            • Overview
            • Synchronize local files to OSS
            • Synchronize OSS objects to local disks
            • Synchronize objects between OSS paths
          • update
          • website
          • worm (manage retention policies)
        • View options
        • FAQ
      • ossbrowser
        • Install and log on to ossbrowser
        • Use ossbrowser
        • Permission management
        • Troubleshooting
      • ossimport
        • Architectures and configurations
        • Standalone deployment
        • Distributed deployment
        • Troubleshooting
      • ossfs
        • Overview
        • Installation
        • Advanced configurations
        • Common options
        • FAQ
      • ossftp
        • Overview
        • Installation
        • Use case
          • How to store remote attachments from Discuz! to OSS
          • How to store remote attachments from PHPWind to OSS
          • How to store remote attachments from WordPress websites to OSS
        • FAQ
      • osscmd (unavailable)
        • Overview
        • Quick start
        • Commands for operations on buckets
        • Commands for operations on objects
        • Commands for operations on parts
      • RAM Policy Editor
    • SDK Code Samples
      • Overview
      • Java
        • Preface
        • Installation
        • Initialization
        • Quick Start
        • Buckets
          • Create buckets
          • List buckets
          • Determine whether buckets exist
          • Query the regions of buckets
          • Query bucket information
          • Manage bucket ACLs
          • View whether the hierarchical namespace feature is enabled
          • Delete buckets
          • Bucket tagging
          • Bucket inventory
          • Bucket policy
          • Retention policy
          • Manage lifecycle rules
          • Enable pay-by-requester mode
          • Hotlink protection
          • Set logging
          • Static website hosting
          • Cross-region replication
          • CORS
          • Transfer acceleration
        • Upload objects
          • Overview
          • Simple upload
          • Form upload
          • Append upload
          • Resumable upload
          • Multipart upload
          • Upload progress bars
          • Upload callback
        • Download objects
          • Overview
          • Streaming download
          • Download to files
          • Range download
          • Resumable download
          • Conditional download
          • Download progress bars
        • Manage objects
          • Overview
          • Determine whether an object exists
          • Manage object ACLs
          • Manage Object Meta
          • Convert the storage class of an object
          • List objects
          • Query objects
          • Rename objects
          • Delete objects
          • Copy objects
          • Disable overwrite for objects with the same name
          • Restore objects
          • Manage symbolic links
        • Manage directories
        • Versioning
          • Versioning
          • Upload objects
          • Download objects
          • Copy objects
          • List objects
          • Delete objects
          • Restore objects
          • Obtain object metadata
          • Manage object ACL
          • Manage symbol links
        • Object tagging
          • Configure object tagging
          • Query the tags of an object
          • Delete the tags of an object
          • Object tagging and lifecycle rules
        • Single-connection bandwidth throttling
        • Data encryption
          • Server-side encryption
          • Client-side encryption
        • Authorized access
        • Data security
        • IMG
        • Error handling
        • FAQ
      • PHP
        • Preface
        • Installation
        • Initialization
        • Quick start
        • Buckets
          • Create buckets
          • List buckets
          • Determine whether buckets exist
          • Query the regions of buckets
          • Query the metadata of buckets
          • Query bucket information
          • Manage bucket ACLs
          • Delete buckets
          • Manage lifecycle rules
          • Pay-by-requester
          • Bucket tagging
          • Hotlink protection
          • Bucket policy
          • Set logging
          • Retention policy
          • Static website hosting
          • CORS
          • Bind a custom domain name
        • Upload objects
          • Overview
          • Simple upload
          • Append upload
          • Multipart upload
          • Upload callback
        • Download objects
          • Overview
          • Download objects to local files
          • Download to local memory
          • Range download
          • Conditional download
        • Manage objects
          • Overview
          • Determine whether a specified object exists
          • Manage ACL for an object
          • Manage object metadata
          • Convert the storage classes of objects
          • Prevent objects from being overwritten by objects with the same names
          • List objects
          • Delete objects
          • Copy objects
          • Restore objects
          • Manage symbolic links
          • Enable MD5 verification
        • Versioning
          • Versioning
          • Upload objects
          • Download objects
          • Copy objects
          • List objects
          • Delete objects
          • Restore objects
          • Query object metadata
          • Manage object ACLs
          • Manage symbolic links
        • Object tagging
          • Configure object tagging
          • Query the tags of an object
          • Remove the tags of an object
        • Single-connection bandwidth throttling
        • Data encryption
          • Server-side encryption
        • Authorized access
        • IMG
        • Exception handling
      • Node. js
        • Installation
        • Initialization
        • Configuration items
        • Quick start
        • Buckets
          • Create buckets
          • List buckets
          • Determine whether a bucket exists
          • Query the regions of buckets
          • Query bucket information
          • Manage bucket ACLs
          • Delete buckets
          • Pay-by-requester mode
          • Manage lifecycle rules
          • Bucket policy
          • Retention policy
          • Bucket tagging
          • Bucket inventory
          • CORS
          • Access log
          • Hotlink protection
          • Static website hosting
          • Use custom domain names
        • Upload objects
          • Overview
          • Local file upload
          • Upload from local memory
          • Streaming upload
          • Multipart upload
          • Append upload
          • Resumable upload
          • Upload callback
        • Download objects
          • Overview
          • Download objects as files
          • Download to local memory
          • Streaming download
          • Range download
          • Conditional download
        • Manage objects
          • Overview
          • Determine whether an object exists
          • Manage Object Meta
          • Manage the ACL of an object
          • List objects
          • Copy objects
          • Disable overwrite for objects with the same name
          • Delete objects
          • Convert the storage classes of objects
          • Restore an Archive object
          • Manage symbolic links
        • Configure versioning
          • Versioning
          • Upload objects
          • Download objects
          • Copy objects
          • List objects
          • Delete objects
          • Restore objects
          • Obtain object metadata
          • Manage object ACL
          • Manage symbolic links
        • Object tagging
          • Configure object tagging
          • Query the tags of an object
          • Delete the tags of an object
          • Object tagging and lifecycle rules
        • Single-connection bandwidth throttling
        • Server-side encryption
        • Authorized access
        • IMG
        • Error handling
        • FAQ
      • Python
        • Preface
        • Installation
        • Initialization
        • Quick start
        • Buckets
          • Create a bucket
          • List buckets
          • Obtain the region of a bucket
          • Determine whether a bucket exists
          • Obtain bucket information
          • Manage bucket ACLs
          • Delete buckets
          • Bucket tagging
          • Bucket inventory
          • Bucket policy
          • Retention policy
          • Enable pay-by-requester mode
          • Manage lifecycle rules
          • Hotlink protection
          • Set logging
          • Static website hosting
          • CORS
          • CRR
        • Upload objects
          • Overview
          • Simple upload
          • Append upload
          • Resumable upload
          • Multipart upload
          • Upload progress bars
          • Upload callback
        • Download objects
          • Overview
          • Streaming download
          • Download an object to a local file
          • Range download
          • Resumable download
          • Download progress bars
        • Manage objects
          • Overview
          • Determine whether an object exists
          • Manage ACL for an object
          • Manage object metadata
          • Convert the storage class of an object
          • List objects
          • Query objects
          • Delete objects
          • Copy objects
          • Disable overwriting object with the same name
          • Restore objects
          • Manage symbolic links
        • Versioning
          • Versioning
          • Upload objects
          • Download objects
          • Copy objects
          • List objects
          • Delete objects
          • Restore objects
          • Obtain object metadata
          • Manage object ACL
          • Manage symbolic links
        • Object tagging
          • Configure object tagging
          • Query the tags of an object
          • Remove the tags of an object
          • Object tagging and lifecycle rules
        • Single-connection bandwidth throttling
        • Data encryption
          • Client-side encryption
          • Server-side encryption
        • Authorized access
        • Data security
        • Enable logging in Python SDK
        • IMG
        • Chinese character and time
        • Exception handling
        • FAQ
      • Browser.js
        • Installation
        • Parameters
        • Quick start
        • Upload objects
        • Download objects
        • Manage objects
        • CNAME
        • Authorized access
        • Set ACLs
        • IMG
        • Application in browsers
        • Exception handling
        • FAQ
        • Log collection
      • . NET
        • Preface
        • Installation
        • Initialization
        • Quick start
        • Buckets
          • Create buckets
          • List buckets
          • Determine whether buckets exist
          • Query the regions of buckets
          • Query bucket information
          • Manage bucket ACLs
          • Delete buckets
          • Bucket tagging
          • Bucket inventory
          • Manage lifecycle rules
          • Enable pay-by-requester
          • Bucket policy
          • Set logging
          • CORS
          • Static website hosting
          • Hotlink protection
        • Upload objects
          • Overview
          • Simple upload
          • Append upload
          • Resumable upload
          • Multipart upload
          • Upload progress bars
          • Upload callback
        • Download objects
          • Overview
          • Streaming download
          • Range download
          • Resumable download
          • Download progress bars
        • Manage objects
          • Overview
          • Determine whether a specified object exists
          • Manage object ACLs
          • Manage Object Meta
          • List objects
          • Delete objects
          • Copy objects
          • Restore objects
          • Manage symbolic links
        • Versioning
          • Versioning
          • Upload objects
          • Download objects
          • Copy objects
          • Delete objects
          • Restore objects
          • Query object metadata
          • Manage the ACL of an object
          • Manage symbolic links
        • Object tagging
          • Configure object tagging
          • Query the tags added to an object
          • Delete the tags added to an object
          • Object tagging and lifecycle rules
        • Single-connection bandwidth throttling
        • Server-side encryption
        • Authorized access
        • IMG
        • Exception handling
      • Android
        • Preface
        • Installation
        • Initialization
        • Quick start
        • Buckets
          • Create buckets
          • Query bucket ACLs
          • Query bucket information
          • Delete buckets
          • Manage lifecycle rules
          • Hotlink protection
          • Access logging
        • Upload objects
          • Overview
          • Simple upload
          • Append upload
          • Multipart upload
          • Resumable upload
          • Progress bar
          • Upload callback
        • Download objects
          • Overview
          • Streaming download
          • Range download
          • Download to files
          • Conditional download
          • Progress bars
        • Manage objects
          • Overview
          • Determine whether a specified object exists
          • Query the ACL of an object
          • Copy an object
          • List objects
          • Delete objects
          • Set the Content-Type of an object
          • Obtain the metadata of an object
          • Restore an archive object
          • Manage symbolic links
        • Data security
        • Sign a URL
        • Authorized access
        • IMG
        • Exception handling
      • Go
        • Preface
        • Installation
        • Initialization
        • Quick start
        • Buckets
          • Create buckets
          • List buckets
          • Determine whether buckets exist
          • Query the regions of buckets
          • Query bucket information
          • Manage bucket ACLs
          • Delete buckets
          • Bucket tagging
          • Manage inventory rules
          • Transfer acceleration
          • Bucket policy
          • Manage lifecycle rules
          • Pay-by-requester mode
          • Hotlink protection
          • Set logging
          • Static website hosting
          • CORS
        • Upload objects
          • Overview
          • Simple upload
          • Append upload
          • Resumable upload
          • Multipart upload
          • Progress bars
        • Download objects
          • Overview
          • Streaming download
          • Range download
          • Download objects
          • Resumable download
          • Conditional download
          • Download a compressed object
          • Use progress bars
        • Manage objects
          • Overview
          • Determine whether a specified object exists
          • Manage ACL for an object
          • Manage object metadata
          • Convert the storage class of an object
          • List objects
          • Delete objects
          • Copy objects
          • Disable overwrite for objects with the same name
          • Restore objects
          • Manage symbolic links
        • Versioning
          • Versioning
          • Upload objects
          • Download objects
          • Copy objects
          • List objects
          • Delete objects
          • Restore objects
          • Obtain object metadata
          • Manage object ACL
          • Manage symbol links
        • Object tagging
          • Configure object tagging
          • Obtain the tags added to an object
          • Delete the tags added to an object
          • Object tagging and lifecycle rules
        • Data encryption
          • Client-side encryption
          • Server-side encryption
        • Single-connection bandwidth throttling
        • Data security
        • Authorized access
        • IMG
        • Error handling
      • iOS
        • Preface
        • Installation
        • Quick start
        • Initialization
        • Buckets
          • Create buckets
          • List buckets
          • Query bucket ACLs
          • Query bucket information
          • Delete buckets
        • Upload objects
          • Overview
          • Simple upload
          • Multipart upload
          • Append upload
          • Resumable upload
          • Upload callback
          • Upload progress bars
        • Download objects
          • Overview
          • Simple download
          • Streaming download
          • Range download
          • Resumable download
          • Download progress bars
        • Manage objects
          • Overview
          • Determine whether the specified object exists
          • Obtain object metadata
          • List objects
          • Copy objects
          • Delete objects
          • Manage symbolic links
          • Restore Archive objects
        • Data security
        • Signed URLs
        • Authorized access
        • IMG
        • Handle exceptions
      • C++
        • Preface
        • Installation
        • Initialization
        • Quick start
        • Buckets
          • Create buckets
          • List buckets
          • Determine whether buckets exist
          • Query the regions of buckets
          • Query bucket information
          • Manage bucket ACLs
          • Delete buckets
          • Bucket tagging
          • Bucket policy
          • Bucket inventory
          • Manage lifecycle rules
          • Retention policy
          • Pay-by-requester mode
          • Hotlink protection
          • Access logging
          • Static website hosting
          • CORS
        • Upload objects
          • Overview
          • Simple upload
          • Append upload
          • Resumable upload
          • Multipart upload
          • Interrupt an upload task
          • Use a progress bar
          • Upload callback
        • Download objects
          • Overview
          • Download to a file
          • Download objects to the local memory
          • Range download
          • Resumable download
          • Use a progress bar
        • Manage objects
          • Overview
          • Determine whether the specified object exists
          • Manage the ACL of an object
          • Manage Object Meta
          • Convert the storage class of an object
          • List objects
          • Delete objects
          • Copy an object
          • Disable overwrite for objects with the same name
          • Restore objects
          • Manage symbolic links
        • Versioning
          • Versioning
          • Upload objects
          • Download objects
          • Copy objects
          • Delete objects
          • Restore objects
          • Obtain object metadata
          • Manage object ACLs
          • Manage symbolic links
        • Object tagging
          • Configure object tagging
          • Obtain the tags added to an object
          • Delete the tags added to an object
          • Object tagging and lifecycle rules
        • Data encryption
          • Client-side encryption
          • Server-side encryption
        • Single-connection bandwidth throttling
        • Data security
        • Authorized access
        • IMG
      • C
        • Preface
        • Installation
        • Initialization
        • Quick start
        • Buckets
          • Create buckets
          • List buckets
          • Query the regions of buckets
          • Query bucket information
          • Manage bucket ACLs
          • Delete buckets
          • Set logging
          • CORS
          • Manage lifecycle rules
          • Hotlink protection
          • Static website hosting
        • Upload objects
          • Overview
          • Simple upload
          • Append upload
          • Resumable upload
          • Multipart upload
          • Upload progress bars
          • Upload callback
        • Download objects
          • Overview
          • Download an object to a local file
          • Download to your local memory
          • Range download
          • Resumable download
          • Download progress bars
        • Manage objects
          • Overview
          • Manage ACL for an object
          • Manage Object Meta
          • List objects
          • Delete objects
          • Copy objects
          • Restore an archive object
          • Manage symbolic links
        • Authorized access
        • IMG
        • Error handling
        • FAQ
      • Ruby
        • Installation
        • Quick start
        • Buckets
          • Create buckets
          • List buckets
          • Determine whether buckets exist
          • Manage bucket ACLs
          • Delete buckets
          • Manage lifecycle rules
          • Hotlink protection
          • Set logging
          • CORS
          • Static website hosting
          • CNAME
        • Upload objects
        • Download objects
        • Manage objects
        • Use STS to authorize temporary access
        • Exception handling
        • Rails application
    • API Reference
      • Description
      • List of operations by function
      • List of supported API operations
      • Common HTTP headers
      • Access control
        • Verify user signatures
        • Add signatures to the Authorization header
        • Add signatures to a URL
        • Bucket ACL
      • Service operations
        • GetService (ListBuckets)
      • Bucket operations
        • Basic operations
          • PutBucket
          • DeleteBucket
          • GetBucket (ListObjects)
          • GetBucketV2 (ListObjectsV2)
          • GetBucketInfo
          • GetBucketLocation
        • Retention policy
          • InitiateBucketWorm
          • AbortBucketWorm
          • CompleteBucketWorm
          • ExtendBucketWorm
          • GetBucketWorm
        • ACL
          • PutBucketAcl
          • GetBucketAcl
        • Lifecycle
          • PutBucketLifecycle
          • GetBucketLifecycle
          • DeleteBucketLifecycle
        • Transfer acceleration
          • PutBucketTransferAcceleration
          • GetBucketTransferAcceleration
        • Versioning
          • PutBucketVersioning
          • GetBucketVersioning
          • GetBucketVersions(ListObjectVersions)
        • Replication
          • PutBucketReplication
          • GetBucketReplication
          • GetBucketReplicationLocation
          • GetBucketReplicationProgress
          • DeleteBucketReplication
        • Authorization policy
          • PutBucketPolicy
          • GetBucketPolicy
          • DeleteBucketPolicy
        • Inventory
          • PutBucketInventory
          • GetBucketInventory
          • ListBucketInventory
          • DeleteBucketInventory
        • Logging
          • PutBucketLogging
          • GetBucketLogging
          • DeleteBucketLogging
        • Static websites
          • PutBucketWebsite
          • GetBucketWebsite
          • DeleteBucketWebsite
        • Hotlink protection
          • PutBucketReferer
          • GetBucketReferer
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      • Migrate data to OSS
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        • Use PostObject to upload data to OSS through Web applications
          • Use PostObject on the web to upload objects
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          • Add signatures on the server for object upload
          • Add signatures on the server, configure upload callback, and directly transfer data
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        • Back up buckets
      • Use ECS instances to configure reverse proxy for access to OSS
        • Use an ECS instance that runs Windows to configure a reverse proxy for access to OSS
        • Use an ECS instance that runs CentOS to configure a reverse proxy for access to OSS
        • Use an ECS instance that runs Ubuntu to configure a reverse proxy for access to OSS
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        • Use Terraform to manage OSS
      • Use CDN to accelerate access to OSS
      • Create HLS streams based on OSS
      • Use Function Compute to download multiple objects as a package
      • OSS performance and scalability best practices
      • Configure lifecycle rules to manage object versions
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            • Basic configurations of mirroring-based back-to-origin
            • Special configurations of mirroring-based back-to-origin
            • Configure redirection-based back-to-origin
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        • Redundancy for fault tolerance
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        • Data Processing
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            • Configure image styles
            • Configure source image protection
          • Configure decompression rules for ZIP packages
        • View resource usage
      • Upload, download, and manage objects
        • Overview
        • Upload objects
        • Create directories
        • Search for objects
        • Configure ACL for objects
        • Modify the storage class of objects
        • Configure bucket policies to authorize other users to access OSS resources
        • Download objects
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        • Restore objects
        • Rename directories or objects
        • Use OSS Select
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      • HTTP 412 status code
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      • HTTP 424 status code
      • HTTP 500 status code
      • HTTP 503 status code
 
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    Last Updated: May 07, 2019

    This document describes how to use the OSS iOS SDK to download objects.

    The OSS iOS SDK provides the following download methods:
    • Simple download
    • Streaming download
    • Range download
    • Resumable download
    Previous: Upload progress bars Next: Simple download

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