mybatis-plus的LambdaQueryWrapper中and、or的用法

			// WHERE xxxx!=id And ( xxxx=ANo or xxxx=BNo)
            LambdaQueryWrapper<Student> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.ne(Student::getId,sysstudents.getId());
            queryWrapper.and((wrapper)->{
                wrapper.eq(Student::getANo,sysstudents.getBillNo())
                        .or().eq(Student::getBNo,sysstudents.getBillNo());
            });

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