学步园

<br /> #include<iostream></p> <p>#include<string></p> <p>using namespace std;</p> <p>class data_rec{</p> <p>protected:</p> <p> int ID;</p> <p> string Name;</p> <p> int Date;</p> <p> bool Sex; // 0：男 1：女</p> <p>public:</p> <p> int getID(){ return ID;}</p> <p> data_rec(int id,string n,int d,bool s):ID(id),Name(n),Date(d),Sex(s){}</p> <p> virtual void print()</p> <p> {</p> <p> cout << "ID:" <<ID </p> <p> << "\nName:" << Name </p> <p> << "\nDate:" << Date <<endl;</p> <p> if (!Sex) cout << "Sex:男" <<endl;</p> <p> else cout << "Sex:女" <<endl;</p> <p> }</p> <p>};</p> <p>class Student:public data_rec{</p> <p>private: </p> <p> int grade_point;</p> <p>public:</p> <p> Student(int id,string n,int d,bool s,int g):data_rec(id,n,d,s),grade_point(g){}</p> <p> void print()</p> <p> }</p> <p>};</p> <p>class Staff:public data_rec{</p> <p>private: </p> <p> string dept;</p> <p>public:</p> <p> {</p> <p> data_rec::print();</p> <p> cout <<"Grade Point:" << grade_point << endl;</p> <p> Staff(int id,string n,int d,bool s,string de):data_rec(id,n,d,s),dept(de){}</p> <p> void print()</p> <p> {</p> <p> data_rec::print();</p> <p> cout <<"Dept:" << dept << endl;</p> <p> }</p> <p>};</p> <p>class Teacher:public data_rec{</p> <p>private: </p> <p> double fund;</p> <p>public:</p> <p> Teacher(int id,string n,int d,bool s,double f):data_rec(id,n,d,s),fund(f){}</p> <p> void print()</p> <p> {</p> <p> data_rec::print();</p> <p> cout <<"Fund:" << fund << endl;</p> <p> }</p> <p>};</p> <p>class ListItem{</p> <p>public:</p> <p> ListItem(data_rec* n):item(n),next(0){}</p> <p> data_rec* item;</p> <p> ListItem *next;</p> <p>};</p> <p>class SchoolList{</p> <p>private: </p> <p> ListItem* head;</p> <p>public:</p> <p> SchoolList():head(0){}</p> <p> void print();</p> <p> void Insert(data_rec*);</p> <p> void Remove(int);</p> <p>};</p> <p>void SchoolList::print()</p> <p>{</p> <p> ListItem *p = head;</p> <p> while(p)</p> <p> {</p> <p> p->item->print();</p> <p> p=p->next;</p> <p> }</p> <p>}</p> <p>void SchoolList::Insert(data_rec* pn)</p> <p>{</p> <p> ListItem* n= new ListItem(pn);</p> <p> if (!head) head = n;</p> <p> else</p> <p> {</p> <p> n->next = head;</p> <p> head = n;</p> <p> }</p> <p>}</p> <p>void SchoolList::Remove(int id)</p> <p>{</p> <p> ListItem* p =head;</p> <p> if (head->item->getID()==id)</p> <p> {</p> <p> head = p->next;</p> <p> delete p;</p> <p> }</p> <p> else</p> <p> {</p> <p> ListItem* prev =head;</p> <p> p = p->next;</p> <p> while(p)</p> <p> {</p> <p> if (p->item->getID()==id)</p> <p> {</p> <p> prev->next = p->next;</p> <p> delete p;</p> <p> break;</p> <p> }</p> <p> else</p> <p> {</p> <p> prev = p;</p> <p> p=p->next;</p> <p> }</p> <p> }</p> <p> }</p> <p>}</p> <p>void main()</p> <p>{</p> <p> Student stu(001,"王一",19850101,0,3);</p> <p> Staff sta(002,"王二",19701212,1,"教务处");</p> <p> Teacher tea(003,"王三",19500212,0,500);</p> <p> SchoolList TestList;</p> <p> TestList.Insert((data_rec*)&stu);</p> <p> TestList.Insert((data_rec*)&sta);</p> <p> TestList.Insert((data_rec*)&tea);</p> <p> cout <<"Before Test Remove function:" <<endl;</p> <p> TestList.print();</p> <p> cout <<"\n\nAfter Test Remove function:" <<endl;</p> <p> TestList.Remove(002);</p> <p> TestList.print();</p> <p>}<br /> </string></iostream>