C++课程设计 教职工信息管理系统源代码.doc

教职工信息管理系统源码#include #include #include #include#define maxsize 100 fstream iofile; /文件指针class time /时间类 public: int year; int month; int day; class telem /个人信息 public: char name20; char sex10; time birthtime; /组合time类 char num20; char wage20; time worktime; int year; char department20; friend istream& operator(istream& input,telem& t); friend ostream& operator(ostream& output,telem& t); friend int operator-(time & t1,time & t2); ; class people:virtual public telem /雇员类 public: people(); virtual void addf()=0; /添加 virtual void addall()=0; virtual void add()=0; virtual void display(); /输出数组的内容 virtual void displaypart(char p); virtual void findname(char n); virtual void findyear(int ); virtual void del(char n)=0; virtual void del(int ); protected: telem datamaxsize; time now; int length; ; class teacher:virtual public people /派生虚基类 public: virtual void addf(); virtual void addall(); virtual void add(); virtual void display(); virtual void del(int i); virtual void del(char n); ; class worker:virtual public people /派生虚基类 public: virtual void addf(); virtual void addall(); virtual void add(); virtual void display(); virtual void del(int i); virtual void del(char n); ; people:people() /系统自动生成的构造函数 length=0; now.year=2010; now.month=7; now.day=6; void people:display() /引用 int i; for(i=0;ilength;i+) coutdatai; void people:displaypart(char p)/引用数组 int i,c; for(i=0;ilength;i+) if(strcmp(datai.wage,p)=0) cout输出选择姓名1 性别2 编号3 工资4 出生日期5 工作时间6 年龄7 系别8 退出选择9c) switch(c) case 1: cout姓名:endl;break; case 2: cout性别:datai.sexendl;break; case 3: cout编号:datai.numendl;break; case 4: cout工资:datai.wageendl;break; case 5: cout出生日期:datai.birthtime.year datai.birthtime.month datai.birthtime.day endl;break; case 6: cout工作时间:datai.worktime.year datai.worktime.month datai.worktime.day endl;break; case 7: cout年龄:datai.yearendl;break; case 8: cout系别:datai.departmentendl;break; case 9: goto loop; default:cout操作错误.endl; loop:; void people:findname(char n) /引用 int i; for(i=0;ilength;i+) if(strcmp(,n)=0) /对象引用 coutdatai; void people:findyear(int y) int i; for(i=0;ilength;i+) if(datai.year=y) coutdatai; void people:del(int i) int j; if(ilength) cout不存在第i个元素; for(j=i;jlength;j+) dataj-1=dataj; length-; void worker:addf() int flag=0; iofile.open(worker_information.txt,ios:in|ios:binary); /文件的打开与关闭 while(iofile.seekg(ios:cur) iofile.seekg(length*sizeof(datalength),ios:beg); iofile.read(char*)&datalength,sizeof(datalength); /文件的随机访问 length+; if(length=maxsize) flag=1; goto loop; people:del(length); cout添加人员信息成功.endl; loop: if(1=flag) cout人员信息储存空间已满.datalength; datalength.year=now-datalength.birthtime; iofile.write(char*)&datalength,sizeof(datalength); cout添加人员信息成功.endl; length+; if(length=maxsize) flag=1; goto loop; coutans; while(y=ans|y=ans); loop: if(1=flag) cout人员信息储存空间已满.datalength; datalength.year=now-datalength.birthtime; iofile.write(char*)&datalength,sizeof(datalength); cout添加人员信息成功.endl; length+; loop: if(1=flag) cout人员信息储存空间已满.endl; iofile.close(); void worker:display() cout 工人信息 endl; if(0=length) cout无.endl; int i; for(i=0;ilength;i+) coutdatai; void worker:del(char n) int i,j,k; for(i=0;ilength;i+) if(strcmp(,n)=0) k=i+1;break; if(k1) cout不存在姓名n的人员信息; for(j=k;jlength;j+) dataj-1=dataj; length-; cout删除人员信息成功.endl; void worker:del(int i) int j; if(ilength) cout不存在第i个元素; for(j=i;jlength;j+) dataj-1=dataj; length-; cout删除成功.endl; void teacher:addf() int flag=0; iofile.open(teacher_information.txt,ios:in|ios:binary); while(iofile.seekg(sizeof(datalength),ios:cur) if(iofile.seekg(length*sizeof(datalength),ios:beg) iofile.read(char*)&datalength,sizeof(datalength); else break; length+; if(length=maxsize) flag=1; goto loop; people:del(length); cout添加人员信息成功.endl; loop: if(1=flag) cout人员信息储存空间已满.datalength; datalength.year=now-datalength.birthtime; iofile.write(char*)&datalength,sizeof(datalength); cout添加人员信息成功.endl; length+; if(length=maxsize) flag=1; goto loop; coutans; while(y=ans|y=ans); loop: if(1=flag) cout人员信息储存空间已满.datalength; datalength.year=now-datalength.birthtime; iofile.write(char*)&datalength,sizeof(datalength); cout添加人员信息成功.endl; length+; loop: if(1=flag) cout人员信息储存空间已满.endl; iofile.close(); void teacher:display() cout 教师信息 endl; if(0=length) cout无.endl; int i; for(i=0;ilength;i+) coutdatai; void teacher:del(char n) int i,j,k; for(i=0;ilength;i+) if(strcmp(,n)=0) k=i+1;break; if(k1) cout不存在姓名n的人员信息; for(j=k;jlength;j+) dataj-1=dataj; length-; cout删除人员信息成功.endl; void teacher:del(int i) int j; if(ilength) cout不存在第i个元素; for(j=i;jlength;j+) dataj-1=dataj; length-; cout删除成功.(istream& input,telem& t) int y,m,d; cout请输入姓名(以*结尾):endl; input.getline(t.name,20,*); cout请输入性别(以*结尾 男或女):endl; input.getline(t.sex,10,*); cout编号(以*结尾):endl; input.getline(t.num,20,*); cout工资(以*结尾):endl; input.getline(t.wage,20,*); cout请输入出生日期:ymd; t.birthtime.year=(y=1900&y=1&m=1&d=31)?d:1; cout请输入系别(以*结尾):endl; input.getline(t.department,20,*); cout参加工作时间:ymd; t.worktime.year=(y=1900&y=1&m=1&d=31)?d:1; return input; ostream& operator(ostream& output,telem& t) cout姓名：; outputt.nameendl; cout性别：; outputt.sexendl; cout编号：; outputt.numendl; cout工资：; outputt.wageendl; cout出生日期：; outputt.birthtime.year t.birthtime.month t.birthtime.dayendl; cout系别：; outputt. departmentendl; cout参加工作时间:; outputt.worktime.year t.worktime.month t.worktime.dayendl; cout年龄：; outputt.yearendl; return output; int operator-(time & t1,time & t2) return t1.year-t2.year; void showmenu() coutendl; cout 欢 迎 进 入 教 职 工 信 息 管 理 系 统endlendl; cout 2010 年7月7日发布 版权所有： swaendlendlendl; cout 人员信息管理系统 endlendl; cout 1-从键盘录入全部人员记录 endlendl; cout 2-增加一位人员记录 endlendl; cout 3-显示全部人员记录 endlendl; cout 4-按系别输出人员信息（可选） endlendl; cout 5-按姓名或年龄检索所有信息 endlendl; cout 6-显示菜单目录 endlendl; cout 7-结束程序运行 endlendl; cout endl; int main() teacher tea; worker stu; people *pt=&tea; people *ps=&stu; int c=0,k=0,l=0,i=0; char nam20,part20; showmenu(); for(;) coutc; switch(c) case 1: cout 录入全部人员记录 endl; cout 从键盘输入教师信息 addall(); cout 从键盘输入工人信息 addall(); break; case 2: cout 从键盘增加一位人员记录 endl; cout 教师操作请按1 工人操作请按2 k; if(1=k) pt-add(); else if(2=k) ps-add(); else cout操作错误.endl; break; case 3: cout 显示全部人员记录 display(); ps-displ