⚡ implement email verification feature, add captcha validation middleware, and enhance user authentication flow

pkg/errs/errors.go

@@ -0,0 +1,58 @@
+package errs
+
+import (
+	"errors"
+	"github.com/cloudwego/hertz/pkg/app"
+	"net/http"
+)
+
+// ServiceError 业务错误结构
+type ServiceError struct {
+	Code    int    // 错误代码
+	Message string // 错误消息
+	Err     error  // 原始错误
+}
+
+func (e *ServiceError) Error() string {
+	if e.Err != nil {
+		return e.Message + ": " + e.Err.Error()
+	}
+	return e.Message
+}
+
+// 常见业务错误
+var (
+	ErrNotFound           = &ServiceError{Code: http.StatusNotFound, Message: "not found"}
+	ErrInvalidCredentials = &ServiceError{Code: http.StatusUnauthorized, Message: "invalid credentials"}
+	ErrInternalServer     = &ServiceError{Code: http.StatusInternalServerError, Message: "internal server error"}
+	ErrBadRequest         = &ServiceError{Code: http.StatusBadRequest, Message: "invalid request parameters"}
+	ErrForbidden          = &ServiceError{Code: http.StatusForbidden, Message: "access forbidden"}
+)
+
+// New 创建自定义错误
+func New(code int, message string, err error) *ServiceError {
+	return &ServiceError{
+		Code:    code,
+		Message: message,
+		Err:     err,
+	}
+}
+
+// Is 判断错误类型
+func Is(err, target error) bool {
+	return errors.Is(err, target)
+}
+
+// AsServiceError 将错误转换为ServiceError
+func AsServiceError(err error) *ServiceError {
+	var serviceErr *ServiceError
+	if errors.As(err, &serviceErr) {
+		return serviceErr
+	}
+	return ErrInternalServer
+}
+
+// HandleError 处理错误并返回HTTP状态码和消息
+func HandleError(c *app.RequestContext, err *ServiceError) {
+
+}