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对象存储SDK 参考Rust快速入门（Rust SDK）
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问问助手本文介绍如何通过 TOS Rust SDK 来完成常见的操作，如创建桶，上传、下载和删除对象等。
创建桶
存储桶（Bucket）是 TOS 的全局唯一的命名空间，相当于数据的容器，用来储存对象数据。如下代码展示如何创建一个新存储桶。
use async_trait::async_trait;
use futures_core::future::BoxFuture;
use std::env;
use std::future::Future;
use std::time::Duration;
use tokio::runtime::Handle;
use ve_tos_rust_sdk::asynchronous::bucket::BucketAPI;
use ve_tos_rust_sdk::asynchronous::tos;
use ve_tos_rust_sdk::asynchronous::tos::AsyncRuntime;
use ve_tos_rust_sdk::bucket::CreateBucketInput;
use ve_tos_rust_sdk::error::TosError;
#[derive(Debug, Default)]
pub struct TokioRuntime {}
#[async_trait]
impl AsyncRuntime for TokioRuntime {
type JoinError = tokio::task::JoinError;
async fn sleep(&self, duration: Duration) {
tokio::time::sleep(duration).await;
}
fn spawn<'a, F>(&self, future: F) -> BoxFuture<'a, Result<F::Output, Self::JoinError>>
where
F: Future + Send + 'static,
F::Output: Send + 'static,
{
Box::pin(Handle::current().spawn(future))
}
fn block_on<F: Future>(&self, future: F) -> F::Output {
Handle::current().block_on(future)
}
}
#[tokio::main]
async fn main() {
let ak = env::var("TOS_ACCESS_KEY").unwrap_or("".to_string());
let sk = env::var("TOS_SECRET_KEY").unwrap_or("".to_string());
let endpoint = "https://tos-cn-beijing.volces.com";
let region = "cn-beijing";
let tos_client = tos::builder::<TokioRuntime>()
.connection_timeout(3000)
.request_timeout(10000)
.max_connections(1024)
.max_retry_count(3)
.ak(ak)
.sk(sk)
.region(region)
.endpoint(endpoint)
.build()
.unwrap();
let bucket = "bucketname";
let input = CreateBucketInput::new(bucket);
let output = tos_client.create_bucket(&input).await;
match output {
Ok(output) => {
println!("request_id: {}", output.request_id());
}
Err(err) => {
match err {
TosError::TosClientError { message, .. } => {
println!("message: {}", message);
}
TosError::TosServerError { request_id, ec, .. } => {
println!("request_id: {}, ec: {}", request_id, ec);
}
}
}
}
}
上传对象
新建存储桶成功后，可以上传对象对象到存储桶中。以下代码将字符串上传到 TOS 存储桶。
use async_trait::async_trait;
use futures_core::future::BoxFuture;
use std::env;
use std::future::Future;
use std::time::Duration;
use tokio::runtime::Handle;
use ve_tos_rust_sdk::asynchronous::object::ObjectAPI;
use ve_tos_rust_sdk::asynchronous::tos;
use ve_tos_rust_sdk::asynchronous::tos::AsyncRuntime;
use ve_tos_rust_sdk::error::TosError;
use ve_tos_rust_sdk::object::PutObjectFromBufferInput;
#[derive(Debug, Default)]
pub struct TokioRuntime {}
#[async_trait]
impl AsyncRuntime for TokioRuntime {
type JoinError = tokio::task::JoinError;
async fn sleep(&self, duration: Duration) {
tokio::time::sleep(duration).await;
}
fn spawn<'a, F>(&self, future: F) -> BoxFuture<'a, Result<F::Output, Self::JoinError>>
where
F: Future + Send + 'static,
F::Output: Send + 'static,
{
Box::pin(Handle::current().spawn(future))
}
fn block_on<F: Future>(&self, future: F) -> F::Output {
Handle::current().block_on(future)
}
}
#[tokio::main]
async fn main() {
let ak = env::var("TOS_ACCESS_KEY").unwrap_or("".to_string());
let sk = env::var("TOS_SECRET_KEY").unwrap_or("".to_string());
let endpoint = "https://tos-cn-beijing.volces.com";
let region = "cn-beijing";
let tos_client = tos::builder::<TokioRuntime>()
.connection_timeout(3000)
.request_timeout(10000)
.max_connections(1024)
.max_retry_count(3)
.ak(ak)
.sk(sk)
.region(region)
.endpoint(endpoint)
.build()
.unwrap();
let bucket = "bucketname";
let key = "objectkey";
let mut input = PutObjectFromBufferInput::new(bucket, key);
// 设置对象内容
input.set_content("hello world");
let output = tos_client.put_object_from_buffer(&input).await;
match output {
Ok(output) => {
println!("request_id: {}", output.request_id());
}
Err(err) => {
match err {
TosError::TosClientError { message, .. } => {
println!("message: {}", message);
}
TosError::TosServerError { request_id, ec, .. } => {
println!("request_id: {}, ec: {}", request_id, ec);
}
}
}
}
}
下载对象
以下展示从存储桶中下载一个对象到内存中。
use async_trait::async_trait;
use futures_core::future::BoxFuture;
use futures_util::StreamExt;
use std::env;
use std::future::Future;
use std::time::Duration;
use tokio::runtime::Handle;
use ve_tos_rust_sdk::asynchronous::object::ObjectAPI;
use ve_tos_rust_sdk::asynchronous::tos;
use ve_tos_rust_sdk::asynchronous::tos::AsyncRuntime;
use ve_tos_rust_sdk::error::TosError;
use ve_tos_rust_sdk::object::GetObjectInput;
#[derive(Debug, Default)]
pub struct TokioRuntime {}
#[async_trait]
impl AsyncRuntime for TokioRuntime {
type JoinError = tokio::task::JoinError;
async fn sleep(&self, duration: Duration) {
tokio::time::sleep(duration).await;
}
fn spawn<'a, F>(&self, future: F) -> BoxFuture<'a, Result<F::Output, Self::JoinError>>
where
F: Future + Send + 'static,
F::Output: Send + 'static,
{
Box::pin(Handle::current().spawn(future))
}
fn block_on<F: Future>(&self, future: F) -> F::Output {
Handle::current().block_on(future)
}
}
#[tokio::main]
async fn main() {
let ak = env::var("TOS_ACCESS_KEY").unwrap_or("".to_string());
let sk = env::var("TOS_SECRET_KEY").unwrap_or("".to_string());
let endpoint = "https://tos-cn-beijing.volces.com";
let region = "cn-beijing";
let tos_client = tos::builder::<TokioRuntime>()
.connection_timeout(3000)
.request_timeout(10000)
.max_connections(1024)
.max_retry_count(3)
.ak(ak)
.sk(sk)
.region(region)
.endpoint(endpoint)
.build()
.unwrap();
let bucket = "bucketname";
let key = "objectkey";
let input = GetObjectInput::new(bucket, key);
let output = tos_client.get_object(&input).await;
match output {
Ok(mut output) => {
println!("request_id: {}", output.request_id());
// 读取对象内容到内存
let mut buf = Vec::new();
loop {
match output.next().await {
None => break,
Some(result) => {
let x = result.unwrap();
buf.extend_from_slice(x.slice(0..x.len()).as_ref());
}
}
}
println!("{}", String::from_utf8(buf).unwrap());
}
Err(err) => {
match err {
TosError::TosClientError { message, .. } => {
println!("message: {}", message);
}
TosError::TosServerError { request_id, ec, .. } => {
println!("request_id: {}, ec: {}", request_id, ec);
}
}
}
}
}
列举对象
以下展示从存储桶中列举已经上传的对象。
use async_trait::async_trait;
use futures_core::future::BoxFuture;
use std::env;
use std::future::Future;
use std::time::Duration;
use tokio::runtime::Handle;
use ve_tos_rust_sdk::asynchronous::object::ObjectAPI;
use ve_tos_rust_sdk::asynchronous::tos;
use ve_tos_rust_sdk::asynchronous::tos::AsyncRuntime;
use ve_tos_rust_sdk::error::TosError;
use ve_tos_rust_sdk::object::ListObjectsType2Input;
#[derive(Debug, Default)]
pub struct TokioRuntime {}
#[async_trait]
impl AsyncRuntime for TokioRuntime {
type JoinError = tokio::task::JoinError;
async fn sleep(&self, duration: Duration) {
tokio::time::sleep(duration).await;
}
fn spawn<'a, F>(&self, future: F) -> BoxFuture<'a, Result<F::Output, Self::JoinError>>
where
F: Future + Send + 'static,
F::Output: Send + 'static,
{
Box::pin(Handle::current().spawn(future))
}
fn block_on<F: Future>(&self, future: F) -> F::Output {
Handle::current().block_on(future)
}
}
#[tokio::main]
async fn main() {
let ak = env::var("TOS_ACCESS_KEY").unwrap_or("".to_string());
let sk = env::var("TOS_SECRET_KEY").unwrap_or("".to_string());
let endpoint = "https://tos-cn-beijing.volces.com";
let region = "cn-beijing";
let tos_client = tos::builder::<TokioRuntime>()
.connection_timeout(3000)
.request_timeout(10000)
.max_connections(1024)
.max_retry_count(3)
.ak(ak)
.sk(sk)
.region(region)
.endpoint(endpoint)
.build()
.unwrap();
let bucket = "bucketname";
let input = ListObjectsType2Input::new(bucket);
let output = tos_client.list_objects_type2(&input).await;
match output {
Ok(output) => {
println!("request_id: {}", output.request_id());
for content in output.contents() {
println!("content: {}, size: {}", content.key(), content.size());
}
}
Err(err) => {
match err {
TosError::TosClientError { message, .. } => {
println!("message: {}", message);
}
TosError::TosServerError { request_id, ec, .. } => {
println!("request_id: {}, ec: {}", request_id, ec);
}
}
}
}
}
删除对象
以下代码展示从存储桶中删除一个对象。
use async_trait::async_trait;
use futures_core::future::BoxFuture;
use std::env;
use std::future::Future;
use std::time::Duration;
use tokio::runtime::Handle;
use ve_tos_rust_sdk::asynchronous::object::ObjectAPI;
use ve_tos_rust_sdk::asynchronous::tos;
use ve_tos_rust_sdk::asynchronous::tos::AsyncRuntime;
use ve_tos_rust_sdk::error::TosError;
use ve_tos_rust_sdk::object::DeleteObjectInput;
#[derive(Debug, Default)]
pub struct TokioRuntime {}
#[async_trait]
impl AsyncRuntime for TokioRuntime {
type JoinError = tokio::task::JoinError;
async fn sleep(&self, duration: Duration) {
tokio::time::sleep(duration).await;
}
fn spawn<'a, F>(&self, future: F) -> BoxFuture<'a, Result<F::Output, Self::JoinError>>
where
F: Future + Send + 'static,
F::Output: Send + 'static,
{
Box::pin(Handle::current().spawn(future))
}
fn block_on<F: Future>(&self, future: F) -> F::Output {
Handle::current().block_on(future)
}
}
#[tokio::main]
async fn main() {
let ak = env::var("TOS_ACCESS_KEY").unwrap_or("".to_string());
let sk = env::var("TOS_SECRET_KEY").unwrap_or("".to_string());
let endpoint = "https://tos-cn-beijing.volces.com";
let region = "cn-beijing";
let tos_client = tos::builder::<TokioRuntime>()
.connection_timeout(3000)
.request_timeout(10000)
.max_connections(1024)
.max_retry_count(3)
.ak(ak)
.sk(sk)
.region(region)
.endpoint(endpoint)
.build()
.unwrap();
let bucket = "bucketname";
let key = "objectkey";
let input = DeleteObjectInput::new(bucket, key);
let output = tos_client.delete_object(&input).await;
match output {
Ok(output) => {
println!("request_id: {}", output.request_id());
}
Err(err) => {
match err {
TosError::TosClientError { message, .. } => {
println!("message: {}", message);
}
TosError::TosServerError { request_id, ec, .. } => {
println!("request_id: {}, ec: {}", request_id, ec);
}
}
}
}
}
最近更新时间：2025.12.22 16:33:47
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