org.apache.commons.beanutils.BeanUtils|PropertyUtils(深层拷贝)
Stu i = new Stu();i.setId(1);
i.setName("zhangsan");
Stu j = (Stu) BeanUtils.cloneBean(i);
i.setName("lisi");
System.out.println(i.getName() + " " + j.getName());
Stu i2 = new Stu();
i2.setId(1);
i2.setName("zhangsan");
Stu j2 = new Stu();
PropertyUtils.copyProperties(j2, i2);
i2.setName("lisi");
System.out.println(i2.getName() + " " + j2.getName());
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