软件包 javax.el
的使用

使用 javax.el 的软件包
com.sun.el   
com.sun.el.lang   
com.sun.el.parser   
com.sun.el.util   
javax.el Provides the API for the Unified Expression Language 2.2 used by the JSP 2.2 and JSF 2.0 technologies. 
javax.servlet.jsp Classes and interfaces for the Core JSP 2.1 API. 
javax.servlet.jsp.el Provides the ELResolver classes that define the object resolution rules that must be supported by a JSP container with the new unified Expression Language. 
org.apache.jasper.compiler   
org.apache.jasper.runtime   
 

com.sun.el 使用的 javax.el 中的类
ELContext
          Context information for expression evaluation.
ELException
          Represents any of the exception conditions that can arise during expression evaluation.
Expression
          Base class for the expression subclasses ValueExpression and MethodExpression, implementing characterstics common to both.
ExpressionFactory
           
FunctionMapper
          The interface to a map between EL function names and methods.
MethodExpression
          An Expression that refers to a method on an object.
MethodInfo
          Holds information about a method that a MethodExpression evaluated to.
MethodNotFoundException
          Thrown when a method could not be found while evaluating a MethodExpression.
PropertyNotFoundException
          Thrown when a property could not be found while evaluating a ValueExpression or MethodExpression.
PropertyNotWritableException
          Thrown when a property could not be written to while setting the value on a ValueExpression.
ValueExpression
          An Expression that can get or set a value.
ValueReference
          This encapsulates a base model object and one of its properties.
VariableMapper
          The interface to a map between EL variables and the EL expressions they are associated with.
 

com.sun.el.lang 使用的 javax.el 中的类
ELContext
          Context information for expression evaluation.
ELException
          Represents any of the exception conditions that can arise during expression evaluation.
ELResolver
          Enables customization of variable, property and method call resolution behavior for EL expression evaluation.
FunctionMapper
          The interface to a map between EL function names and methods.
MethodExpression
          An Expression that refers to a method on an object.
ValueExpression
          An Expression that can get or set a value.
VariableMapper
          The interface to a map between EL variables and the EL expressions they are associated with.
 

com.sun.el.parser 使用的 javax.el 中的类
ELException
          Represents any of the exception conditions that can arise during expression evaluation.
MethodInfo
          Holds information about a method that a MethodExpression evaluated to.
ValueReference
          This encapsulates a base model object and one of its properties.
 

com.sun.el.util 使用的 javax.el 中的类
ELException
          Represents any of the exception conditions that can arise during expression evaluation.
MethodNotFoundException
          Thrown when a method could not be found while evaluating a MethodExpression.
PropertyNotFoundException
          Thrown when a property could not be found while evaluating a ValueExpression or MethodExpression.
 

javax.el 使用的 javax.el 中的类
BeanELResolver.BeanProperty
           
ELContext
          Context information for expression evaluation.
ELContextEvent
          An event which indicates that an ELContext has been created.
ELException
          Represents any of the exception conditions that can arise during expression evaluation.
ELResolver
          Enables customization of variable, property and method call resolution behavior for EL expression evaluation.
Expression
          Base class for the expression subclasses ValueExpression and MethodExpression, implementing characterstics common to both.
ExpressionFactory
           
FunctionMapper
          The interface to a map between EL function names and methods.
MethodExpression
          An Expression that refers to a method on an object.
MethodInfo
          Holds information about a method that a MethodExpression evaluated to.
ValueExpression
          An Expression that can get or set a value.
ValueReference
          This encapsulates a base model object and one of its properties.
VariableMapper
          The interface to a map between EL variables and the EL expressions they are associated with.
 

javax.servlet.jsp 使用的 javax.el 中的类
ELContext
          Context information for expression evaluation.
ELContextListener
          The listener interface for receiving notification when an ELContext is created.
ELResolver
          Enables customization of variable, property and method call resolution behavior for EL expression evaluation.
ExpressionFactory
           
 

javax.servlet.jsp.el 使用的 javax.el 中的类
ELContext
          Context information for expression evaluation.
ELResolver
          Enables customization of variable, property and method call resolution behavior for EL expression evaluation.
 

org.apache.jasper.compiler 使用的 javax.el 中的类
ELException
          Represents any of the exception conditions that can arise during expression evaluation.
FunctionMapper
          The interface to a map between EL function names and methods.
 

org.apache.jasper.runtime 使用的 javax.el 中的类
ELContext
          Context information for expression evaluation.
ELContextListener
          The listener interface for receiving notification when an ELContext is created.
ELException
          Represents any of the exception conditions that can arise during expression evaluation.
ELResolver
          Enables customization of variable, property and method call resolution behavior for EL expression evaluation.
ExpressionFactory
           
FunctionMapper
          The interface to a map between EL function names and methods.
MethodExpression
          An Expression that refers to a method on an object.
ValueExpression
          An Expression that can get or set a value.
VariableMapper
          The interface to a map between EL variables and the EL expressions they are associated with.
 



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