java.lang.Object
- org.springframework.expression.spel.support.StandardEvaluationContext
- - org.springframework.context.expression.MethodBasedEvaluationContext

所有已实现的接口:
EvaluationContext
```
public class MethodBasedEvaluationContext
extends StandardEvaluationContext
```
A method-based EvaluationContext that provides explicit support for method-based invocations.
Expose the actual method arguments using the following aliases:
1. pX where X is the index of the argument (p0 for the first argument)
2. aX where X is the index of the argument (a1 for the second argument)
3. the name of the parameter as discovered by a configurable ParameterNameDiscoverer
从以下版本开始:
4.2
作者:
Stephane Nicoll, Juergen Hoeller

构造器概要
构造器
构造器说明
MethodBasedEvaluationContext(Object rootObject, Method method, Object[] arguments, ParameterNameDiscoverer parameterNameDiscoverer)

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`protected void`	`lazyLoadArguments()`	Load the param information only when needed.
`Object`	`lookupVariable(String name)`	Look up a named variable within this evaluation context.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

MethodBasedEvaluationContext

public MethodBasedEvaluationContext(Object rootObject,
                                    Method method,
                                    Object[] arguments,
                                    ParameterNameDiscoverer parameterNameDiscoverer)

方法详细资料
- lookupVariable
```
public Object lookupVariable(String name)
```
  从接口复制的说明: EvaluationContext
  Look up a named variable within this evaluation context.
  指定者:
  lookupVariable 在接口中 EvaluationContext
  覆盖:
  lookupVariable 在类中 StandardEvaluationContext
  参数:
  name - variable to lookup
  返回:
  the value of the variable, or null if not found
- lazyLoadArguments
```
protected void lazyLoadArguments()
```
  Load the param information only when needed.

类 MethodBasedEvaluationContext

构造器概要

方法概要

从类继承的方法 org.springframework.expression.spel.support.StandardEvaluationContext

从类继承的方法 java.lang.Object

构造器详细资料

MethodBasedEvaluationContext

方法详细资料

lookupVariable

lazyLoadArguments