renshi.cpp

汽车生产公司系统管理程序 是为解决一个汽车生产公司的电脑化管理问题的系统管理程序

//renshi.cpp

#include<iostream.h>
#include<fstream.h>
#include<stdlib.h>
#include<string.h>

class yuangong
{
    public: 
		    int ID,find;
			int	Sa;
			char name[30];
            void getinfo();
            void showinfo();   
 	        int salary;
};	  

void yuangong::getinfo()
{
	char n[30];
    int s,i;
    ofstream outstuf;
	outstuf.open("D:\\吴勇\\companyfile\\人事文件.txt",ios::app);
	cout<<"请输入个人信息"<<endl;
	cout<<"请输入8位的ID号："<<endl;
    cin>>s;
    cout<<"请输入姓名："<<endl;
    cin>>n;
    cout<<"请输入薪酬："<<endl;
    cin>>i;
    ID=s,salary=i;
    strcpy(name,n);
	outstuf<<"ID号为"<<ID<<'\t'<<"姓名为"<<name<<'\t'<<"薪酬为"<<salary<<"元"<<endl;
    outstuf.close();
};

void yuangong::showinfo()
{
	fstream f;
    f.seekg(0,ios::beg);
	long posEnd=f.tellp();
	cout<<"请输入ID号码："<<endl;
    cin>>find;
    do
	{
		f.read((char*)& find,8);
	}while(ID!=find&&f.tellp()!=posEnd);
	if(ID==find)
		cout<<ID<<'\t'<<name<<'\t'<<Sa<<endl;
    else
	{
		cout<<"输入错误!"<<endl;
    }
}
yuangong YUANGONG;

class zhuren:public yuangong
{ 
    public:
    protected: int salary;
};

zhuren ZHUREN;

class jingli:public yuangong
{
    public:
    protected: int salary;
};

jingli JINGLI; 

void op(int w)
{   
	ofstream outstuf;
	if(!outstuf)
	{
		cerr<<"不能打开文件."<<endl;	   
        abort(); 	   
};	   
    
    outstuf.open("D:\\吴勇\\companyfile\\人事文件.txt",ios::app);
	if(w==1)
	{
	   outstuf<<"员工: "<<endl;
       YUANGONG.getinfo();
	}
    else if(w==2)
      {
	      outstuf<<"主任: "<<endl;
          ZHUREN.getinfo();
      }
         else{                                                               
                 outstuf<<"经理: "<<endl;
                 JINGLI.getinfo();  
 
		     }
    outstuf.close();
}	   

void employee()
{
	int ch1,ch2;
    //int number,find;
	ofstream outstuf;
	outstuf.open("D:\\吴勇\\companyfile\\人事文件.txt",ios::out); 
	while(1)
	{
		cout<<endl<<"请输入要进行的操作："<<endl;
	    cout<<"1.输入员工信息"<<endl;
	    cout<<"2.浏览员工信息"<<endl;
	    //cout<<"3.察看个人信息"<<endl;
		cout<<"0.回到主界面"<<endl;
	    cin>>ch1;
        switch(ch1)
		{
		case 1:
			{
				while(ch2!=0)
				{
		            cout<<endl<<endl;
					cout<<"请输入员工的姓名，编号和薪酬"<<endl;
                    cout<<"请选择类型: \n";
                    cout<<"1.职员 \t";
                    cout<<"2.主任 \t";
                    cout<<"3.经理 \t";
                    cout<<"0.退出 \n";
                    cin>>ch2;
		            switch(ch2) 
					{
	                    case 1:op(1);break;
                        case 2:op(2);break;
                        case 3:op(3);break;
                        case 0:continue;			
				        default:cout<<"输入错误，请重新输入"<<'\n'<<endl;
					}
				} 
            break;
			}		
		case 2:
			{ 
		        ifstream inf("D:\\吴勇\\companyfile\\人事文件.txt",ios::in);
                char s[80];    
                for(int i=1;i<=0;i++)
	            inf.getline(s,80);  
                while(!inf.eof())
	            {
				     inf.getline(s,80);
                     cout<<s<<endl;
			    }   	
               inf.close();           
			break;
			}
        case 0:return;
		default:cout<<endl<<"输入错误，请重新输入"<<endl;	 
		}
	}
}