增加 null判断

xufenglei

2018-07-31 6b9938b5faf4a1b66f1c8886adc402d42bd447c1

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package com.moral.mapper;
 
import com.moral.common.mapper.BaseMapper;
import com.moral.entity.Province;
 
public interface ProvinceMapper extends BaseMapper<Province> {
}