cn.hutool.extra.expression.engine.spel

Class SpELEngine

java.lang.Object

cn.hutool.extra.expression.engine.spel.SpELEngine

All Implemented Interfaces:

ExpressionEngine

public class SpELEngine
extends Object
implements ExpressionEngine

Spring-Expression引擎封装
见：https://github.com/spring-projects/spring-framework/tree/master/spring-expression

Since:

5.5.0

Author:

looly

Constructor Summary

Constructors

Constructor and Description
SpELEngine() 构造

Method Summary

Modifier and Type	Method and Description
Object	eval(String expression, Map<String,Object> context, Collection<Class<?>> allowClassSet) 执行表达式

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SpELEngine

public SpELEngine()

构造

Method Detail

eval

public Object eval(String expression,
                   Map<String,Object> context,
                   Collection<Class<?>> allowClassSet)

Description copied from interface: ExpressionEngine

执行表达式

Specified by:

eval in interface ExpressionEngine

Parameters:

expression - 表达式

context - 表达式上下文，用于存储表达式中所需的变量值等

allowClassSet - 允许的Class白名单

Returns:

执行结果