Enum WechatError 

pub enum WechatError {
    Config(String),
    MissingField(String),
    ApiFailed(String),
    HttpTransport(String),
    Serialize(String),
    TokenFailed(String),
    DecryptFailed(String),
}

微信 SDK 错误 — 对齐 PHP EasyWeChat 异常体系

Variants

Config(String)

配置错误（app_id / app_secret 为空等）

MissingField(String)

缺少必填字段（code / openid / touser 等）

ApiFailed(String)

API 调用失败（errcode != 0）

HttpTransport(String)

HTTP 传输失败（网络错误、连接超时等）

Serialize(String)

序列化/反序列化失败

TokenFailed(String)

access_token 获取失败

DecryptFailed(String)

解密失败（消息加解密）

Trait Implementations

impl Debug for WechatError

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

Formats the value using the given formatter.

impl Display for WechatError

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

Formats the value using the given formatter.

impl Error for WechatError

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.