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Parsing of the “doc/qbk/04_http/02_message_zh_Hans.qbk” file was enforced. 06/26/2026
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Translation completed 06/16/2026
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The implementation will automatically fill in the obsolete [@https://tools.ietf.org/html/rfc7230#section-3.1.2 reason-phrase] from the status code when serializing a message. Or it may be set directly using [link beast.ref.boost__beast__http__header.reason.overload2 `header::reason`].
The implementation will automatically fill in the obsolete [@https://tools.ietf.org/html/rfc7230#section-3.1.2 reason-phrase] from the status code when serializing a message. Or it may be set directly using当序列化消息时，实现会根据状态码自动填充已废弃的 [@https://tools.ietf.org/html/rfc7230#section-3.1.2 原因短语]。也可通过调用 [link beast.ref.boost__beast__http__header.reason.overload2 `header::reason`]. 直接设置该字段。
06/16/2026
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HTTP/1.1 200 OK\r\n
Server: Beast\r\n
Content-Length: 13\r\n
\r\n
Hello, world!
HTTP/1.1 200 OK\r\n
Server: Beast\r\n
Content-Length: 13\r\n
\r\n
Hello, world!
06/16/2026
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[http_snippet_3]
[http_snippet_3]
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Serialized Result
Serialized Result序列化结果
214
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Statements
Statements声明
214
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Create Response
Create Response创建响应
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In this code we create an HTTP response with a status code indicating success. This message has a body with a non-zero length. The function [link beast.ref.boost__beast__http__message.prepare_payload `message::prepare_payload`] automatically sets the Content-Length or Transfer-Encoding field depending on the content and type of the `body` member. Use of this function is optional; these fields may also be set explicitly.
In this code we create an HTTP response with a status code indicating success. This message has a body with a non-zero length. The function [link beast.ref.boost__beast__http__message.prepare_payload `message::prepare_payload`] automatically sets the以下代码创建一个带有成功状态码的 HTTP 响应。该消息包含一个非空的消息体。prepare_payload 函数会根据 body 成员的内容和类型自动设置 Content-Length or或 Transfer-Encoding field depending on the content and type of the `body` member. Use of this function is optional; these fields may also be set explicitly.字段。该函数可调用也可不调用；这些字段也可手动显式设置。
06/16/2026
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GET /index.htm HTTP/1.1\r\n
Accept: text/html\r\n
User-Agent: Beast\r\n
\r\n
GET /index.htm HTTP/1.1\r\n
Accept: text/html\r\n
User-Agent: Beast\r\n
\r\n
06/16/2026
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[http_snippet_2]
[http_snippet_2]
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Serialized Result
Serialized Result序列化结果
193
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Statements
Statements声明
193
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Create Request
Create Request创建请求
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These examples show how to create and fill in request and response objects: Here we build an [@https://tools.ietf.org/html/rfc7231#section-4.3.1 HTTP GET] request with an empty message body:
These examples show how to create and fill in request and response objects: Here we build an以下示例展示如何创建并填充请求和响应对象。这里构造一个带有空消息体的 [@https://tools.ietf.org/html/rfc7231#section-4.3.1 HTTP GET] request with an empty message body:请求：
06/16/2026
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Usage
Usage用法
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A body whose `value_type` is `std::vector`. Insertion complexity is amortized constant time, while capacity grows geometrically. Messages with this body type may be serialized and parsed.
A body whose该消息体类型的 `value_type` is为 `std::vector`. Insertion complexity is amortized constant time, while capacity grows geometrically. Messages with this body type may be serialized and parsed.。插入操作的均摊复杂度为常数时间，容量以几何级数增长。带有该消息体类型的消息支持序列化和解析操作。
06/16/2026
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[link beast.ref.boost__beast__http__vector_body `vector_body`]
[link beast.ref.boost__beast__http__vector_body `vector_body`]
06/16/2026
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A body whose `value_type` is `std::basic_string` or `std::string`. Insertion complexity is amortized constant time, while capacity grows geometrically. Messages with this body type may be serialized and parsed. This is the type of body used in the examples.
A body whose该消息体类型的 `value_type` is为 `std::basic_string` or或 `std::string`. Insertion complexity is amortized constant time, while capacity grows geometrically. Messages with this body type may be serialized and parsed. This is the type of body used in the examples.。插入操作的均摊复杂度为常数时间，容量以几何级数增长。带有该消息体类型的消息支持序列化和解析操作。此类型即为示例中使用的消息体类型。
06/16/2026
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[link beast.ref.boost__beast__http__string_body `string_body`]

[link beast.ref.boost__beast__http__basic_string_body `basic_string_body`]
[link beast.ref.boost__beast__http__string_body `string_body`]

[link beast.ref.boost__beast__http__basic_string_body `basic_string_body`]
06/16/2026

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