AllowMethodAndPathPrefixSkipper Check if the request method and path contain the specified prefix, skip if not included.

AllowPathPrefixNoSkipper - Check if the request path contains the specified prefix, if not, skip it.

AllowPathPrefixSkipper - Check if the request path contains the specified prefix, skip if it is included.

CasbinMiddleware - Casbin middleware.

CORSMiddleware - Cross-domain request middleware.

EmptyMiddleware - Middleware that does not perform business processing.

JoinRouter - Splicing route.

LoggerMiddleware - Log middleware.

NoMethodHandler - The handler for the request method was not found.

NoRouteHandler - The handler for request routing was not found.

RateLimiterMiddleware - Request frequency limit middleware.

RecoveryMiddleware - Crash recovery middleware.

SkipHandler - Unified processing of skip functions.

TraceMiddleware - Tracking ID middleware.

UserAuthMiddleware - User authorization middleware.

WWWMiddleware - Static site middleware.

SkipperFunc - Define middleware skip function.