在Spring消息代码中获取java.util.Calendar.YEAR [英] Getting java.util.Calendar.YEAR in Spring message code

问题描述

<spring:message code="footer.copyriteText" arguments="NEEDS TO BE DYNAMIC" htmlEscape="false"/>

我需要将NEEDS TO BE DYNAMIC替换为Calendar.getInstance().get(Calendar.YEAR).如何使用EL来实现这一点?

I need to replace NEEDS TO BE DYNAMIC with Calendar.getInstance().get(Calendar.YEAR). How can I achieve this using EL?

推荐答案

如果您不希望像BalusC这样的硬编码解决方案，您可以使用此解决方案

If you don't want hardcode solution like BalusC said you can use this solution

1. 编写自定义jstl标记(如c:set)以执行常量路径并返回常量值，然后将该常量值放入Page范围.这可以通过java Reflection完成.

1. Write custom jstl tag like c:set to execute constant path and return constant value then put the constant value to Page scope. This can be done via java Reflection.

使用标签

<lib:getConstant path='java.util.Calendar.YEAR' var='v'/>

还有

arguments='${v}`

此解决方案可以使用所有常量，并且您可能希望更改常量值而不更改jsp代码.

This solution can work with all constants and you may want change constant values without changing jsp code.

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