Apache Commons Configuration使用

Commons Configuration的主要功能：

Configuration parameters may be loaded from the following sources:
Properties filesComponentDependenciesCoreJava 1.3
commons-collections
commons-lang
commons-loggingConfigurationFactorycommons-digester
commons-beanutils
Java 1.4 or xml-apisDefaultConfigurationBuildercommons-beanutils
Java 1.4 or (xml-apis + xerces + xalan)DatabaseConfigurationJDBC 3.0 (Java 1.4 or jdbc2_0-stdext.jar)XMLConfigurationJava 1.4 or (xml-apis + xerces + xalan)XMLPropertiesConfigurationJava 1.4 or (xml-apis + xerces)PropertyListConfigurationcommons-codecXMLPropertyListConfigurationcommons-codec
Java 1.4 or xml-apisConfigurationDynaBeancommons-beanutilsXPathExpressionEnginecommons-jxpathEnvironmentConfigurationJava 1.5 or ant 1.6.5

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