package com.sinojava.haiyun;
//接口取單號
interface ISequence {
?? ?public abstract String getIsequence();
}
//接口取單頭
interface IBlHead {
?? ?public abstract String getIBlHead();
}
//AbstractBL來實現(xiàn)兩接口
public abstract class AbstractBL implements ISequence,IBlHead {
?? ?
}