11.cpp

题目：高校职工工资管理系统 使用Vc

{
	
 

  //查找尾结点
  Person *p=PL;
  while(p->next)p=p->next;

  
  //创建新结点,录入数据,连接到链表
  Teacher *pt;
  Assistant *pa;
  Manager *pm;
  Logistic *pta;
  Invitation *pmt;	
  int revl;
  int again=1;
  char t;
  while(again)
  {
	  Interface1();
	  cin>>revl;
	  switch(revl)
	  {
	  case 1:  pt=new Teacher;   pt->Input();
		  p->next=pt;  break;
	
    case 2:  pa=new Assistant; pa->Input();
      p->next=pa; break;
    
    case 3:  pm=new Manager;   pm->Input();
      p->next=pm;    break;
    
    case 4:  pta=new Logistic;  pta->Input();
    p->next=pta; break;
      
    case 5:  pmt=new Invitation;  pmt->Input();
      p->next=pmt;  break;
	case 6: Interface();
	 
	default:
	cout<<"\t\t\t             没有此类职员!"<<endl;
	break;
  }
  
  cout<<"\t\t\t                      是否继续输入(y/n)?  ";
  cin>>t;
  cout<<endl;
  if(!(t=='Y'||t=='y'))
	  again=0;
	}
	Interface();
}

void College::Clear() //清除所有的职工结点(仅保留头结点)
{
  Person *p=PL->next;
  while(p)
  {
    PL->next=p->next;
    delete p;
    p=PL->next;
  }
}

//查找职工结点(返回1-找到，0-未找到.结点指针由p1返回,p2为前看指针)
int College::Find(int ID,Person **p1,Person **p2)   
{
  *p1=PL->next;
  *p2=PL;
  while(*p1)
  {
    if((*p1)->No==ID)
	{cout<<"\t\t                    姓名:"<<(*p1)->Name<<endl;
	  cout<<"\t\t                    工作证号:"<<(*p1)->No<<endl;
	  cout<<"\t\t                    工资:"<<(*p1)->Incoming()<<endl;
		//p1->Output();
	  break; } //找到 

    else 
    {
      *p2=*p1;  //继续查找
      *p1=(*p1)->next;
    }
  }
  if (*p1==0)
  {
	  	cout<<"\n\n\t\t   对不起，该类别中没有您所要查询的职员!"<<endl;
  }
  return *p1?1:0;
}
//查找职工结点(返回1-找到，0-未找到.结点指针由p1返回,p2为前看指针)
int College::Find1(char *NAME,Person **p1,Person **p2)   
{
	*p1=PL->next;
	*p2=PL;
	while(*p1)
	{
		//if((*p1)->Name==NAME)//
		if(strcmp(NAME ,(*p1)->Name)==0)
	       { cout<<"\t\t                    姓名:"<<(*p1)->Name<<endl;
	        cout<<"\t\t                    工资:"<<(*p1)->Incoming()<<endl;
			//p1->Output();
			break;}  //找到
		else 
		{
			*p2=*p1;  //继续查找
			*p1=(*p1)->next;
		}
	}
    if(*p1==0){	cout<<"\n\n\t\t   对不起，该类别中没有您所要查询的职员!"<<endl;}
	return *p1?1:0;
}
void College::Delete()   //删除职工
{
 
  int No;
  Person *p1,*p2;
 
  cout<<"\t\t                请输入要删除的职工的编号:";
 
  cin>>No;
  if(!Find(No,&p1,&p2))
  {
	  cout<<"\t\t                指定的人员没有找到!"<<endl;
 
  }
  else
  {
    p2->next=p1->next;  //连接
    delete p1;
	cout<<"\t\t                正确删除!"<<endl;
	Save();
  
  }
}

void College::Modify()   //修改职工
{
  //cout<<"\t\t                修改职工:"<<endl;
 

  int No;
  Person *p1,*p2;
  cout<<"\t\t                编号:";
 
  cin>>No;
  if(!Find(No,&p1,&p2))
  {
    cout<<"\t\t                指定的人员没有找到!"<<endl;
  
  }
  else
  {
    p1->Output();  //输出原来的职工信息(做提示)
    p1->Input();  //输入新的职工信息(更新)
	cout<<"\t\t                    修改完成!"<<endl;
   Save();
  }

  Interface();
}

void College::Print()    //输出职工信息
{
	
  cout<<endl<<endl;
  Person *p=PL->next;
  if(!p)
  {

    cout<<"\t\t\t                      无职工记录!"<<endl;
    return;
  }

  while(p)  //遍历链表，输出职工信息
  {
    p->Output();//
    p=p->next;
  }
  Interface();
}

void College::Save()     //职工信息存盘
{
	ofstream f("Person.dat",ios::out);//打开文件

  //遍历输出至文件
  Person *p=PL->next;
  while(p)  
  {
    p->Output(f);
    p=p->next;
  }

  f.close();  //关闭文件
  cout<<"\t\t\t                      信息存储成功!  "<<endl;
  cout<<"\t\t\t                      职工信息已经保存在Person.dat"<<endl;
  
}
void College::Load()     //职工信息装入
{
  char buf[181];  //临时空间
  int Duty;    //人员类型
  Person *p2;  //新建结点的指针
  long t;  //读写位置

  //清除现有结点(保留头结点)
  Clear();  

  //打开文件
  ifstream f("Person.dat",ios::in);
    
  //建立结点，读数据
  Person *p=PL; //尾结点指针
  while(1)
  {
    //读取人员类型
    t=f.tellg();
    f>>buf>>buf>>buf>>Duty;

    if(f)
    {
      //根据人员类型创建新结点
      switch(Duty)
      {
        case 1:  p2=new Teacher; break;
        case 2:  p2=new Assistant; break;
        case 3:  p2=new Manager; break;
        case 4:  p2=new Logistic; break;
        case 5:  p2=new Invitation; break;
        default:  f.close();  return;
      }
      p->next=p2;
      p=p->next;
      f.seekg(t);
      p->Input(f);     
    }
    else
      break;   
  }

  //关闭文件
  f.close();
  Interface();
}
void College::Salary()
{
	Person *p1,*p2;
    int rev,no;
    char name[20];
    int again=1;
    char t;
    while(again)
	{
		Interface2();
		cout<<"\n\t\t        请输入所要查看职员的类别:";
		cin>>rev;
		if (rev==1)
		{		 
			cout<<"\n\t\t       请输入所要查看的职员的工作证号:";
			cin>>no;
		Find(no,&p1,&p2);
		}
		if(rev==2)
		{cout<<"\n\t\t       请输入所要查看的职员的姓名:";
		cin>>name;
		Find1(name,&p1,&p2);
		}     
		cout<<"\t\t\t        是否继续查看工资(y/n)?";
		cin>>t;
		cout<<endl;
		if(!(t=='Y'||t=='y'))
			again=0;
	}
    Interface();
}
void College::Interface3()
{
	cout<<"\n\n\n";
    cout<<"\t\t   *********按职员类别进行管理**********"<<endl;
	cout<<"\t\t   ************高校职员类别**********"<<endl;
	cout<<"\t\t               1.教师            "<<endl;
	cout<<"\t\t               2.实验室人员               "<<endl;
	cout<<"\t\t               3.行政人员          "<<endl;
	cout<<"\t\t               4.后勤人员            "<<endl;
	cout<<"\t\t               请您选择职员类别:   "; 
	
}

void College::Interface2()
{
    cout<<"\n\n\n";
    cout<<"\t\t   *********按职员类别进行管理**********"<<endl;
	cout<<"\t\t   ************高校职员类别**********"<<endl;
	cout<<"\t\t               1.校内老师            "<<endl;
	cout<<"\t\t               2.外骋人员            "<<endl;
	cout<<"\t\t               请您选择职员类别:   "; 
}
void College::Interface1()
{
	cout<<"\n\n\n";
    cout<<"\t\t   *********按职员类别进行管理**********"<<endl;
	cout<<"\t\t   ************高校职员类别**********"   <<endl;
	cout<<"\t\t               1.教师                   "<<endl;
	cout<<"\t\t               2.实验室人员             "<<endl;
	cout<<"\t\t               3.行政人员               "<<endl;
	cout<<"\t\t               4.后勤人员               "<<endl;
	cout<<"\t\t               5.外骋人员               "<<endl;
	cout<<"\t\t               6.退出                   "<<endl;
	cout<<"\t\t               请您选择职员类别(1-6):   "; 
}
void College::Interface()
{
    int rev;
    cout<<"\n\n\n\n\n\n\n";
    cout<<"\t\t   *****************欢迎使用";
    cout<<"*****************"<<endl;
    cout<<"\t\t    **********高校工资管理系统";
    cout<<"**********"<<endl;
    cout<<"\t\t                1.添加职员信息                      "<<endl;
    cout<<"\t\t                2.删除职员信息                      "<<endl; 
    cout<<"\t\t                3.修改职员信息                      "<<endl;
    cout<<"\t\t                4.显示职员的信息                    "<<endl;
	cout<<"\t\t                5.查询职员的工资                    "<<endl;
	cout<<"\t\t                6.保存职工信息                      "<<endl;
    cout<<"\t\t                7.退出                              "<<endl;
    cout<<"\t\t                请您选择(1-7):";
    cin>>rev;
    switch(rev)
	{
	case 1:
	      Add();
		  break;
	case 2:
		  Delete();
		  break;
	case 3:
	      Modify();
		  break;
	case 4:
		  Print();
		  break;
	case 5:
		  Salary();
		  break; 
    case 6:
	      Save();
	      break;
    case 7:
	      exit(0);
   
	
	}
}
void main()
{
	College c;
	//c.Load();
	c.Interface();

}