增加线程安全的Map

admin

2019-03-12 a1f137021d101ab1678a64b60930c801445cf9d8

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package com.yeshi.fanli.service.inter.hongbao; 
 
import java.util.List; 
 
import com.yeshi.fanli.entity.bus.user.ThreeSaleRank; 
 
public interface ThreeSaleRankService { 
 
    void update(); 
     
    List<ThreeSaleRank> rank(int num); 
     
}