Core Messaging

本部分涵盖 Spring Integration 中核心消息 API 的所有方面。它涵盖了消息、消息信道和消息端点。它还涵盖了许多企业集成模式，如过滤器、路由器、转换器、服务激活器、拆分器和聚合器。

This section covers all aspects of the core messaging API in Spring Integration. It covers messages, message channels, and message endpoints. It also covers many of the enterprise integration patterns, such as filter, router, transformer, service activator, splitter, and aggregator.

本部分还包含有关系统管理的材料，包括控制总线和消息历史记录支持。

This section also contains material about system management, including the control bus and message history support.