TODAY 框架文档 核心技术 SpEL 表达式 Language Reference Language Reference This section describes how the Infra Expression Language works. 章节摘要 Literal Expressions Properties, Arrays, Lists, Maps, and Indexers Inline Lists Inline Maps Array Construction Methods Operators Types Constructors Variables Functions Bean References Ternary Operator (If-Then-Else) The Elvis Operator Safe Navigation Operator Collection Selection Collection Projection Expression Templating Expressions in Bean Definitions Literal Expressions