添加查询最大值和最小值的service接口

ZhuDongming

2019-08-15 1d25854b8dfdebe7b4d5153e932c0e74ed5f7453

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