从属性文件中读取List并使用spring注释加载@Value [英] Reading a List from properties file and load with spring annotation @Value

问题描述

与此问题类似： http://forum.springsource.org/showthread.php?111992-Loading-a-list-from-properties-file-using-Value-annotation （对此没有回复）

Similar to this question: http://forum.springsource.org/showthread.php?111992-Loading-a-list-from-properties-file-using-Value-annotation (for which there's no reply on)

我想在.properties文件中有一个值列表，即：

I want to have a list of values in a .properties file, ie:

my.list.of.strings=ABC,CDE,EFG

并加载它我的班级直接，即：

And to load it in my class directly, ie:

@Value("${my.list.of.strings}")
private List<String> myList;

据我所知，这样做的另一种方法是将它放在spring配置文件中，并加载它作为一个bean引用（如果我错了就纠正我），即

As I understand, an alternative of doing this is to have it in the spring config file, and load it as a bean reference (correct me if I'm wrong), ie

<bean name="list">
 <list>
  <value>ABC</value>
  <value>CDE</value>
  <value>EFG</value>
 </list>
</bean>

但有没有办法做到这一点？使用.properties文件？
ps：如果可能，我想用任何自定义代码执行此操作。

But is there any way of doing this? using a .properties file? ps: I would like to do this with out any custom code if possible.

推荐答案

使用Spring EL：

Using Spring EL:

@Value("#{'${my.list.of.strings}'.split(',')}") 
private List<String> myList;

假设您的属性文件已正确加载以下内容：

Assuming your properties file is loaded correctly with the following:

my.list.of.strings=ABC,CDE,EFG

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