Enum ExtractorError 

pub enum ExtractorError {
    PathRejection(PathRejection),
    QueryRejection(QueryRejection),
    JsonRejection(JsonRejection),
    FormRejection(FormRejection),
    ExtensionRejection(ExtensionRejection),
    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(PathRejection)

路径参数提取错误

QueryRejection(QueryRejection)

查询参数提取错误

JsonRejection(JsonRejection)

JSON 提取错误

FormRejection(FormRejection)

表单数据提取错误

ExtensionRejection(ExtensionRejection)

扩展数据提取错误

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.

impl From<ExtensionRejection> for ExtractorError

fn from(e: ExtensionRejection) -> Self

Converts to this type from the input type.

impl From<FormRejection> for ExtractorError

fn from(e: FormRejection) -> Self

Converts to this type from the input type.

impl From<JsonRejection> for ExtractorError

fn from(e: JsonRejection) -> Self

Converts to this type from the input type.

impl From<PathRejection> for ExtractorError

fn from(e: PathRejection) -> Self

Converts to this type from the input type.

impl From<QueryRejection> for ExtractorError

fn from(e: QueryRejection) -> Self

Converts to this type from the input type.