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软件设计师案例分析每日一练试题内容(2023/5/24)
阅读下列说明和C++代码,将应填入(n)处的字句写在答题纸的对应栏内。
【说明】
现欲开发一个软件系统,要求能够同时支持多种不同的数据库,为此采用抽象工厂模式设计该系统。以SQL Server和Access两种数据库以及系统中的数据库表Department为例,其类图如图5-1所示。
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图5-1 类图
【C++代码】
#include
using namespace std;
class Department{/*代码省略*/};
class IDepartment{
public:
(1) =0;
(2) =0;
};
class SqlserverDepartment:(3){
public:
void Insert(Department* department){
cout <<"Insert a record into Department in SQL Server!\n";
∥其余代码省略
}
Department GetDepartment(int id){
/*代码省略*/
}
};
class AccessDepartment: (4) {
public:
void Insert(Department* department){
cout <<"Insert a record into Department in ACCESS!\n";
∥其余代码省略
}
Department GetDepartment(int id){
/*代码省略*/
}
};
(5){
public:
(6)=0;
};
class SqlServerFactory:public IFactory{
public:
IDepartment*CreateDepartment(){ return new SqlserverDepartment(); }
∥其余代码省略
};
class AccessFactory:public IFactory{
public:
IDepartment* CreateDepartment(){ return new AccessDepartment();}
∥其余代码省略
};
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信管网cnitpm2598390781:
(1)insert(2)get(3)public idepartment(4)public idepartment(5):interface ifactory(6)department
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