class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
hello.properties
引用:
aaa
${name}
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如果有多个.properties档案,则可以透过locations属性来设定,例如:
"">
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
hello.properties
welcome.properties
other.properties
${onlyfun.caterpillar.helloWord}
...
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