Struct SessionExtractor 

pub struct SessionExtractor { /* private fields */ }

Session 提取器

用于从请求中提取 Session。

示例

use wae_session::SessionExtractor;

async fn handler(request: &Request) {
    let session = SessionExtractor::from_request(request).unwrap();
    let user_id: Option<String> = session.get_typed("user_id").await;
    // ...
}

Implementations

impl SessionExtractor

pub fn new(session: Arc<Session>) -> Self

创建 Session 提取器

pub fn from_request<B>(request: &Request<B>) -> Result<Self, SessionRejection>

从请求的扩展中提取 Session

pub fn inner(&self) -> &Session

获取 Session 引用

pub fn id(&self) -> &str

获取 Session ID

pub fn is_new(&self) -> bool

检查是否是新创建的 Session

pub async fn get(&self, key: &str) -> Option<Value>

获取值

pub async fn get_typed<T: DeserializeOwned>(&self, key: &str) -> Option<T>

获取类型化的值

pub async fn set<T: Serialize>(&self, key: impl Into<String>, value: T)

设置值

pub async fn remove(&self, key: &str) -> Option<Value>

删除值

pub async fn contains(&self, key: &str) -> bool

检查键是否存在

pub async fn clear(&self)

清空所有数据

pub async fn keys(&self) -> Vec<String>

获取所有键

pub async fn len(&self) -> usize

获取数据条目数量

pub async fn is_empty(&self) -> bool

检查是否为空

Trait Implementations

impl Clone for SessionExtractor

fn clone(&self) -> SessionExtractor

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SessionExtractor

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.