增加获取污染溯源接口

ZhuDongming

2019-06-05 944fcfc56ba96cb12466604d33194fc76965faa8

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