Struct RequestBuilder

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pub struct RequestBuilder { /* private fields */ }
Expand description

HTTP 请求的构建器。

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impl RequestBuilder

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pub fn new() -> RequestBuilder

创建构建器的默认实例以构建请求。

§例子
use boluo_core::request::RequestBuilder;

let req = RequestBuilder::new()
    .method("POST")
    .body(())
    .unwrap();
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pub fn method<T>(self, method: T) -> RequestBuilder
where Method: TryFrom<T>, <Method as TryFrom<T>>::Error: Into<Error>,

设置请求的 HTTP 方法。

默认情况下,这是 GET

§例子
use boluo_core::request::Request;

let req = Request::builder()
    .method("POST")
    .body(())
    .unwrap();
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pub fn method_ref(&self) -> Option<&Method>

获取请求的 HTTP 方法的引用。

默认情况下,这是 GET。如果构建器有错误,则返回 None

§例子
use boluo_core::http::Method;
use boluo_core::request::Request;

let mut req = Request::builder();
assert_eq!(req.method_ref(), Some(&Method::GET));

req = req.method("POST");
assert_eq!(req.method_ref(), Some(&Method::POST));
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pub fn method_mut(&mut self) -> Option<&mut Method>

获取请求的 HTTP 方法的可变引用。

默认情况下,这是 GET。如果构建器有错误,则返回 None

§例子
use boluo_core::http::Method;
use boluo_core::request::Request;

let mut req = Request::builder();
assert_eq!(req.method_ref(), Some(&Method::GET));

*req.method_mut().unwrap() = Method::POST;
assert_eq!(req.method_ref(), Some(&Method::POST));
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pub fn uri<T>(self, uri: T) -> RequestBuilder
where Uri: TryFrom<T>, <Uri as TryFrom<T>>::Error: Into<Error>,

设置请求的 URI。

默认情况下,这是 /

§例子
use boluo_core::request::Request;

let req = Request::builder()
    .uri("https://www.rust-lang.org/")
    .body(())
    .unwrap();
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pub fn uri_ref(&self) -> Option<&Uri>

获取请求的 URI 的引用。

默认情况下,这是 /。如果构建器有错误,则返回 None

§例子
use boluo_core::request::Request;

let mut req = Request::builder();
assert_eq!(req.uri_ref().unwrap(), "/");

req = req.uri("https://www.rust-lang.org/");
assert_eq!(req.uri_ref().unwrap(), "https://www.rust-lang.org/");
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pub fn uri_mut(&mut self) -> Option<&mut Uri>

获取请求的 URI 的可变引用。

默认情况下,这是 /。如果构建器有错误,则返回 None

§例子
use boluo_core::request::Request;

let mut req = Request::builder();
assert_eq!(req.uri_ref().unwrap(), "/");

*req.uri_mut().unwrap() = "https://www.rust-lang.org/".parse().unwrap();
assert_eq!(req.uri_ref().unwrap(), "https://www.rust-lang.org/");
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pub fn version(self, version: Version) -> RequestBuilder

设置请求的 HTTP 版本。

默认情况下,这是 HTTP/1.1

§例子
use boluo_core::http::Version;
use boluo_core::request::Request;

let req = Request::builder()
    .version(Version::HTTP_2)
    .body(())
    .unwrap();
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pub fn version_ref(&self) -> Option<&Version>

获取请求的 HTTP 版本的引用。

默认情况下,这是 HTTP/1.1。如果构建器有错误,则返回 None

§例子
use boluo_core::http::Version;
use boluo_core::request::Request;

let mut req = Request::builder();
assert_eq!(req.version_ref().unwrap(), &Version::HTTP_11);

req = req.version(Version::HTTP_2);
assert_eq!(req.version_ref().unwrap(), &Version::HTTP_2);
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pub fn version_mut(&mut self) -> Option<&mut Version>

获取请求的 HTTP 版本的可变引用。

默认情况下,这是 HTTP/1.1。如果构建器有错误,则返回 None

§例子
use boluo_core::http::Version;
use boluo_core::request::Request;

let mut req = Request::builder();
assert_eq!(req.version_ref().unwrap(), &Version::HTTP_11);

*req.version_mut().unwrap() = Version::HTTP_2;
assert_eq!(req.version_ref().unwrap(), &Version::HTTP_2);
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pub fn header<K, V>(self, key: K, value: V) -> RequestBuilder

将标头追加到请求中。

此函数将提供的键值对追加到请求内部的 HeaderMap 中。本质上, 这相当于调用 HeaderMap::append

§例子
use boluo_core::request::Request;

let req = Request::builder()
    .header("Accept", "text/html")
    .header("X-Custom-Foo", "bar")
    .body(())
    .unwrap();
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pub fn headers_ref(&self) -> Option<&HeaderMap<HeaderValue>>

获取请求的标头集的引用。

如果构建器有错误,则返回 None

§例子
use boluo_core::request::Request;

let req = Request::builder()
    .header("Accept", "text/html")
    .header("X-Custom-Foo", "bar");

let headers = req.headers_ref().unwrap();

assert_eq!(headers["Accept"], "text/html");
assert_eq!(headers["X-Custom-Foo"], "bar");
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pub fn headers_mut(&mut self) -> Option<&mut HeaderMap<HeaderValue>>

获取请求的标头集的可变引用。

如果构建器有错误,则返回 None

§例子
use boluo_core::http::HeaderValue;
use boluo_core::request::Request;

let mut req = Request::builder();

let headers = req.headers_mut().unwrap();
headers.insert("Accept", HeaderValue::from_static("text/html"));
headers.insert("X-Custom-Foo", HeaderValue::from_static("bar"));

let headers = req.headers_ref().unwrap();
assert_eq!(headers["Accept"], "text/html");
assert_eq!(headers["X-Custom-Foo"], "bar");
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pub fn extension<T>(self, extension: T) -> RequestBuilder
where T: Clone + Send + Sync + 'static,

将一个类型添加到请求的扩展中。

§例子
use boluo_core::request::Request;

let req = Request::builder()
    .extension("My Extension")
    .body(())
    .unwrap();

assert_eq!(req.extensions().get::<&'static str>(),
           Some(&"My Extension"));
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pub fn extensions_ref(&self) -> Option<&Extensions>

获取请求的扩展的引用。

如果构建器有错误,则返回 None

§例子
use boluo_core::request::Request;

let req = Request::builder().extension("My Extension").extension(5u32);
let extensions = req.extensions_ref().unwrap();

assert_eq!(extensions.get::<&'static str>(), Some(&"My Extension"));
assert_eq!(extensions.get::<u32>(), Some(&5u32));
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pub fn extensions_mut(&mut self) -> Option<&mut Extensions>

获取请求的扩展的可变引用。

如果构建器有错误,则返回 None

§例子
use boluo_core::request::Request;

let mut req = Request::builder().extension("My Extension");
let mut extensions = req.extensions_mut().unwrap();
assert_eq!(extensions.get::<&'static str>(), Some(&"My Extension"));

extensions.insert(5u32);
assert_eq!(extensions.get::<u32>(), Some(&5u32));
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pub fn body<T>(self, body: T) -> Result<Request<T>>

消耗构建器,使用给定的主体构建请求。

§错误

如果之前配置的任意一个参数发生错误,则在调用此函数时将返回错误。

§例子
use boluo_core::request::Request;

let request = Request::builder()
    .body(())
    .unwrap();

Trait Implementations§

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impl Debug for RequestBuilder

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

Formats the value using the given formatter. Read more
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impl Default for RequestBuilder

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fn default() -> RequestBuilder

Returns the “default value” for a type. 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> 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, 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.