BeanUtils.copyProperties(source，target) - 走看看

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BeanUtils.copyProperties(source，target)
BeanUtils.copyProperties(source，target)：实现xx类与xxVo类之间属性赋值时，出现个别属性没有被赋值
1. source类在select的时候是否查询到有效数据
2. xx类与xxVo类的属性，类型与属性名必须一样
3. 两个类的set/set方法是否出错
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原文地址：https://www.cnblogs.com/little-mao2020/p/14720423.html

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