Enum ExtractorError 

pub enum ExtractorError {
    PathRejection(String),
    QueryRejection(String),
    JsonRejection(String),
    FormRejection(String),
    ExtensionRejection(String),
    HostRejection(String),
    TypedHeaderRejection(String),
    CookieRejection(String),
    MultipartRejection(String),
    WebSocketUpgradeRejection(String),
    BytesRejection(String),
    StreamRejection(String),
    Custom(String),
}

Extractor 错误类型

统一封装所有提取器可能产生的错误，便于错误处理和响应。

Variants

PathRejection(String)

路径参数提取错误

QueryRejection(String)

查询参数提取错误

JsonRejection(String)

JSON 提取错误

FormRejection(String)

表单数据提取错误

ExtensionRejection(String)

扩展数据提取错误

HostRejection(String)

Host 提取错误

TypedHeaderRejection(String)

TypedHeader 提取错误

CookieRejection(String)

Cookie 提取错误

MultipartRejection(String)

Multipart 提取错误

WebSocketUpgradeRejection(String)

WebSocketUpgrade 提取错误

BytesRejection(String)

Bytes 提取错误

StreamRejection(String)

Stream 提取错误

Custom(String)

自定义错误消息

Trait Implementations

impl Debug for ExtractorError

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

Formats the value using the given formatter.

impl Display for ExtractorError

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

Formats the value using the given formatter.

impl Error for ExtractorError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.