参考: https://blog.youkuaiyun.com/li_xiao_dai/article/details/80667246
使用xml的方式进行Spring配置,对于内部元素为String的List和Map属性的注入一般为如下方式:
如果内部元素为Bean,则将value替换为value-ref或元素即可
<bean id = "testBean" class = "com.a.b.c.TestBean">
<property name = "fieldMap">
<map>
<entry key = "field1" value = "value1"></entry>
<entry key = "field2" value = "value2"></entry>
<entry key = "field3" value = "value3"></entry>
</map>
</property>
<property name = "fieldList">
<list>
<value>1</value>
<value>2</value>
</list>
</property>
</bean>
使用Spring提供的schema扩展util来实现List和Map的声明、注入:
<util:list list-class="java.util.ArrayList">
<value>1</value>
<value>2</value>
<value>3</value>
</util:list>
<util:map map-class="java.util.HashMap">
<entry key="Key1" value="1" />
<entry key="Key2" value="2" />
<entry key="Key3" value="3" />
</util:map>
用注解的方式来注入String类型的List和Map:在properties或yml中声明Map或List的值
test.map = {key1:'value1',key2:'value2',key3:'value3'}
test.list = value1,value2,value3
在目标Bean中使用@Value注解进行注入:
@Value("#{'${test.list}'.split(',')}")
private List<String> testList;
@Value("#{${test.map}}")
private Map<String,String> testMap;
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