https://commons.apache.org/

引入依赖

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<dependency>
    <groupId>commons-beanutils</groupId>
    <artifactId>commons-beanutils</artifactId>
    <version>1.9.4</version>
</dependency>

BeanUtils/BeanUtilsBean

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拷贝： cloneBean/copyProperties/copyProperty
获取：getArrayProperty/getSimpleProperty/getProperty
其他操作：setProperty设置属性 populate将Bean设置到Map中  describe将Bean转成Map

PropertyUtils类

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判断：isReadable/isWriteable
获取：
	getProperty/getSimpleProperty/getPropertyType 
	getReadMethod/getWriteMethod/getIndexedProperty/setIndexedProperty
	getMappedProperty/setMappedProperty/getNestedProperty/setNestedProperty  
	getPropertyDescriptor/getPropertyEditorClass
拷贝和设置：copyProperties/setProperty/setSimpleProperty /clearDescriptors