User avatar Bstran

Translation changed
Body Types
Body Types消息体类型
06/16/2026
User avatar Bstran

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Requests and responses share the version, fields, and body but have a few members unique to the type. This is implemented by declaring the header classes as partial specializations of `isRequest`. __message__ is derived from __header__; a message may be passed as an argument to a function taking a suitably typed header as a parameter. Additionally, `header` is publicly derived from `Fields`; a message inherits all the member functions of `Fields`. This diagram shows the inheritance relationship between header and message, along with some of the notable differences in members in each partial specialization:
Requests and responses share the version, fields, and body but have a few members unique to the type. This is implemented by declaring the header classes as partial specializations of请求和响应共享版本号、字段及消息体，但各自拥有一些特有的成员。该设计通过将 `header` 类声明为 `isRequest`. 的偏特化来实现。__message__ is derived from __header__; a message may be passed as an argument to a function taking a suitably typed header as a parameter. Additionally, `header` is publicly derived from `Fields`; a message inherits all the member functions of `Fields`. This diagram shows the inheritance relationship between 派生自 __header__，因此消息可作为参数传递给接受相应类型头部参数的函数。此外，`header` 公开继承自 `Fields`，因此消息也继承了 `Fields` 的所有成员函数。下图展示 `header and ` 与 `message, along with some of the notable differences in members in each partial specialization:` 的继承关系，以及每个偏特化中部分显著成员的差异：
06/16/2026
User avatar Bstran

Translation changed
/// A typical HTTP response header
template<class Fields>
using response_header = header<false, Fields>;
/// A typical HTTP response header典型的 HTTP 响应头部
template<class Fields>
using response_header = header<false, Fields>;
06/16/2026
User avatar Bstran

Translation changed
[link beast.ref.boost__beast__http__response_header `response_header`]
[link beast.ref.boost__beast__http__response_header `response_header`]
06/16/2026
User avatar Bstran

Translation changed
/// A typical HTTP request header
template<class Fields>
using request_header = header<true, Fields>;
/// A typical HTTP request header典型的 HTTP 请求头部
template<class Fields>
using request_header = header<true, Fields>;
06/16/2026
User avatar Bstran

Translation changed
[link beast.ref.boost__beast__http__request_header `request_header`]
[link beast.ref.boost__beast__http__request_header `request_header`]
06/16/2026
User avatar Bstran

Translation changed
/// An HTTP header
template<
bool isRequest, // `true` for requests, `false` for responses
class Fields = fields> // The type of container to store the fields
class header;
/// An HTTP header头部类
template<
bool isRequest, // `true` for requests, `false` for responses
class Fields = fields> // The type of container to store the fields// 若为请求则为 true，若为响应则为 false
class Fields = fields> // 用于存储字段的容器类型
class header;
06/16/2026
User avatar Bstran

Translation changed
__header__
__header头部__
06/16/2026
User avatar Bstran

Translation changed
Description
Description描述
66
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Translation changed
Name
Name名称
66
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User avatar Bstran

Translation changed
Header
Header头部
06/16/2026
User avatar Bstran

Translation changed
Sometimes it is desired to only work with a header. Beast provides a single class template __header__ and some aliases to model HTTP/1 and HTTP/2 headers:
Sometimes it is desired to only work with a header. Beast provides a single class template __header__ and some aliases to model有时只需处理头部信息。Beast 提供单个类模板 __header__ 及若干别名，用于表示 HTTP/1 and和 HTTP/2 headers:头部：
06/16/2026
User avatar Bstran

Translation changed
The container offers value semantics including move and copy if supported by __Body__ and __Fields__. User defined template function parameters can accept any message, or can use partial specialization to accept just requests or responses. The default __fields__ is a provided associative container using the standard allocator and supporting modification and inspection of fields. As per __rfc7230__, a non-case-sensitive comparison is used for field names. User defined types for fields are possible. The `Body` type determines the type of the container used to represent the body as well as the algorithms for transferring buffers to and from the container. The library comes with a collection of common body types. As with fields, user defined body types are possible.
The container offers value semantics including move and copy if supported by该容器提供值语义，支持移动和拷贝操作（前提是 __Body__ and和 __Fields__. User defined template function parameters can accept any message, or can use partial specialization to accept just requests or responses. The default __fields__ is a provided associative container using the standard allocator and supporting modification and inspection of fields. As per __rfc7230__, a non-case-sensitive comparison is used for field names. User defined types for fields are possible. The `Body` type determines the type of the container used to represent the body as well as the algorithms for transferring buffers to and from the container. The library comes with a collection of common body types. As with fields, user defined body types are possible. 支持这些操作）。用户定义的模板函数参数可以接受任意消息，也可通过偏特化仅接受请求或响应。默认的 __fields__ 是一个关联容器，使用标准分配器，支持字段的修改与查询。根据 __rfc7230__，字段名称比较时不区分大小写。用户也可以自定义字段类型。`Body` 类型决定消息体的容器类型，以及用于在容器与缓冲区之间传输数据的算法。该库提供一组常用的消息体类型。与字段类似，用户也可以自定义消息体类型。
06/16/2026
User avatar Bstran

Translation changed
/// A typical HTTP response
template<class Body, class Fields = fields>
using response = message<false, Body, Fields>;
/// A typical HTTP response典型 HTTP 响应类型
template<class Body, class Fields = fields>
using response = message<false, Body, Fields>;
06/16/2026
User avatar Bstran

Translation changed
[link beast.ref.boost__beast__http__response `response`]
[link beast.ref.boost__beast__http__response `response`]
06/16/2026
User avatar Bstran

Translation changed
/// A typical HTTP request
template<class Body, class Fields = fields>
using request = message<true, Body, Fields>;
/// A typical HTTP request典型 HTTP 请求类型
template<class Body, class Fields = fields>
using request = message<true, Body, Fields>;
06/16/2026
User avatar Bstran

Translation changed
/// A typical HTTP request
template<class Body, class Fields = fields>
using request = message<true, Body, Fields>;
/// A typical HTTP request
template<class Body, class Fields = fields>
using request = message<true, Body, Fields>;
06/16/2026
User avatar Bstran

Translation changed
[link beast.ref.boost__beast__http__request `request`]
[link beast.ref.boost__beast__http__request `request`]
06/16/2026
User avatar Bstran

Translation changed
/// An HTTP message
template<
bool isRequest, // `true` for requests, `false` for responses
class Body, // Controls the container and algorithms used for the body
class Fields = fields> // The type of container to store the fields
class message;
/// An HTTP message消息类模板
template<
bool isRequest, // `true` for requests, `false` for responses
class Body, // Controls the container and algorithms used for the body
class Fields = fields> // The type of container to store the fields// 若为请求则为 true，若为响应则为 false
class Body, // 用于控制消息体的容器及算法
class Fields = fields> // 用于存储字段的容器类型
class message;
06/16/2026
User avatar Bstran

Translation changed
__message__
__message消息__
06/16/2026

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