可以通过将list转成json，在把json转成list即可
List<SysUser> a = Lists.newArrayList();
SysUser u1 =new SysUser();
u1.setUserId(1L);
a.add(u1);
List<SysUser> b = JSONUtil.toBean(JSONUtil.toJsonStr(a), new TypeReference<List<SysUser>>() {
}, true);
System.err.println(a);//com.dongqiimi.common.core.domain.entity.SysUser@4fb64261
System.err.println(b);//com.dongqiimi.common.core.domain.entity.SysUser@401e7803
System.err.println(a);//com.dongqiimi.common.core.domain.entity.SysUser@4fb64261 System.err.println(b);//com.dongqiimi.common.core.domain.entity.SysUser@401e7803