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Session

Struct Session 

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pub struct Session { /* private fields */ }
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Session 数据结构

表示一个 HTTP Session,包含 Session ID 和存储的数据。 支持类型化的数据存取。

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impl Session

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pub fn new(id: impl Into<String>) -> Self

创建新的 Session

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pub async fn from_data( id: impl Into<String>, data: HashMap<String, Value>, ) -> Self

从现有数据创建 Session

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pub fn id(&self) -> &str

获取 Session ID

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pub fn is_new(&self) -> bool

检查是否是新创建的 Session

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pub async fn is_dirty(&self) -> bool

检查 Session 是否已修改

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pub async fn mark_dirty(&self)

标记 Session 为已修改

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

获取值

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

获取类型化的值

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

设置值

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

删除值

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

检查键是否存在

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pub async fn clear(&self)

清空所有数据

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

获取所有键

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pub async fn len(&self) -> usize

获取数据条目数量

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pub async fn is_empty(&self) -> bool

检查是否为空

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pub async fn to_json(&self) -> String

序列化为 JSON 字符串

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pub async fn from_json(&self, json: &str) -> bool

从 JSON 字符串反序列化

Trait Implementations§

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impl Clone for Session

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fn clone(&self) -> Session

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Session

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.