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GoogleCodeExporter avatar GoogleCodeExporter commented on June 27, 2024
[deleted comment]

from ik-expression.

GoogleCodeExporter avatar GoogleCodeExporter commented on June 27, 2024

很高兴,有大牛能给IK-E提出建议。我的E文水平只够看,不够
写哈,所以就用中文给你回复吧,
呵呵!
实际上在IK-E中有两种方法解决您提到的问题:
一种是用org.wltea.expression.function.FunctionLoader这个类中的方法

public static void addFunction(String functionName, Object instance, Method 
method)

在运行时传入对象的实例、java方法实例以及映射的函数名称�
��添加自定义函数(ps:很不好意
思,文档做的不够细,漏了这个API的说明呵呵)

第二种方法,通过ThreadLocal的线程本地变量,可以将您自己声
明的类实例(包括任意的外部参
数)传入到自定义的Function中(在执行表达式前声明一个Thread
Local,将参数传入,并在表达
式中的自定义方法执行时,从ThreadLocal中取出即可)。我自己
目前在做的一个项目中就采用了
这种方式,可以很容易的使用Map对象传入想要的参数。

最后,很感谢你的使用!:)

Original comment by [email protected] on 11 May 2009 at 3:40

from ik-expression.

GoogleCodeExporter avatar GoogleCodeExporter commented on June 27, 2024

Original comment by [email protected] on 24 Jul 2009 at 6:26

  • Changed state: Accepted

from ik-expression.

GoogleCodeExporter avatar GoogleCodeExporter commented on June 27, 2024

Original comment by [email protected] on 4 Dec 2009 at 2:00

  • Changed state: Done

from ik-expression.

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