Java Spring映射合并所有值

我有两个通过

定义的地图（一个是要使用的，另一个是供其他人使用的参考地图）。我想将一个映射的值引用（导入/合并）到另一个ie中

CommonMap
    -> "someKey"      : "someValue"
    -> "someOtherKey" : "someOtherValue"

Map1
    -> grab all key value pairs in 'CommonMap'

我尝试了一个简单的例子，定义公共映射并尝试引用它进行属性注入：

编辑#2由于下面的答案，最初的问题得以解决，现在是主要问题

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xmlns:util="http://www.springframework.org/schema/util"
   xsi:schemaLocation="http://www.springframework.org/schema/beans
   http://www.springframework.org/schema/beans/spring-beans.xsd
   http://www.springframework.org/schema/util
   http://www.springframework.org/schema/util/spring-util-3.0.xsd">

   <bean id="mainBean" class="SpringTest.SpringTest">
          <property name="myBean" ref="myFirstBean"/>
   </bean>

   <bean id="myFirstBean" class="SpringTest.MyBean">
          <constructor-arg value="Hello!"/>
          <property name="myMap" ref="myLookup" />
   </bean>

   <util:map id="myLookup">
          <entry key="myKey" value="142"/>
          <entry key="myOtherKey" value="7"/>
   </util:map>

但是你会得到这个错误

Exception in thread "main" org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 25 in XML document from class path resource [configuration-spring.xml] is invalid; nested exception is org.xml.sax.SAXParseException; lineNumber: 25; columnNumber: 40; cvc-complex-type.3.2.2: Attribute 'merge' is not allowed to appear in element 'util:map'.

---

确保在应用程序上下文文件的

bean

标记中完全定义了

util

命名空间声明

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:util="http://www.springframework.org/schema/util" xsi:schemaLocation="
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd">

根据：

xmlns:utilxmlns:util=”“的xml条目可以发布吗？看看这个答案谢谢，现在我如何将这些值合并到第二个映射中？您现在遇到了什么问题？

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:util="http://www.springframework.org/schema/util" xsi:schemaLocation="
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd">

<bean id="myFirstBean" class="SpringTest.MyBean">
    <constructor-arg value="Hello!" />
    <property name="myMap" ref="myLookup" />
</bean>

<bean id="commonLookup" 
    class="org.springframework.beans.factory.config.MapFactoryBean">
    <property name="sourceMap">
        <map>
            <entry key="myKey" value="142" />
            <entry key="myOtherKey" value="7" />
        </map>
    </property>
</bean>
<bean id="myLookup" parent="commonLookup" 
    class="org.springframework.beans.factory.config.MapFactoryBean">
    <property name="sourceMap">
        <map merge="true">
            <entry key="myLookupKey" value="12" />
        </map>
    </property>
</bean>