http://camel.apache.org/spel.htmlSpring Expression Language(SpEL)Available as of Camel 2.7Camel allows SpEL to be used as an Expression or Predicate in the DSL or Xml Configuration.V
1、EL表达式的变量不给定范围时，则容器会默认从Page开始找，再依次到request,session,及application。如果中途找到，则直接返回，否则返回null.2、EL中的类型：Boolean, Integer, Floating Point, String,NULL。3、EL中，可以使用"[]"和"."来获取对象的属性（如果属性名中有一些特殊字符，如".","-"等，则只能用"[]...
lambda structure
[capture list] (parameter list) -> return type { function body }
(parameter list) and return type are optional
Value and Reference capture
There is a notable question: when lamb
# .NET Expression
## 1. Introduction
In the world of software development, expressions are often used to evaluate certain operations or computations. An expression is a combination of values, operat
