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  • Spring EL中的类操作符

    <?xml version="1.0" encoding="UTF-8"?>
    <beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns="http://www.springframework.org/schema/beans" xmlns:p="http://www.springframework.org/schema/p"
        xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
        <bean id="saxophone" class="com.stono.sprtest.Saxophone"></bean>
        <bean id="cymbal" class="com.stono.sprtest.Cymbal"></bean>
        <bean id="duke" class="com.stono.sprtest.Duke">
            <property name="instruments">
                <set>
                    <ref bean="saxophone"/>
                    <ref bean="saxophone"/>
                    <ref bean="cymbal"/>
                    <null/>
                </set>
            </property>
            <property name="pi" value="#{T(java.lang.Math).PI}"/>
            <property name="name" value="#{saxophone.getName()}" />
            <property name="name2" value="#{saxophone.name}" />
            <property name="name3" value="#{saxophone.getName()?.toUpperCase()}" />
            <property name="name4" value="#{saxophone.name?.toUpperCase()}" />
        </bean>
    </beans>
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  • 原文地址:https://www.cnblogs.com/stono/p/4829622.html
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