c++课程设计

做的有点辛苦= =虽然知道大概是用结构体和链表，但实际操作十分难。是对各种函数链表等不熟悉的原因，最后还是借鉴了别人的才有思路做。。。。。。

 

// 职工综合信息管理系统.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include<iostream>
#include <string>
using namespace std;

typedef struct node  //定义员工结构体
{
 char num[10];
 char name[20];
    char sex[20];
 char age[5];
 char position[20];
 char wage[10];
 char telenum[20];
 char addr[50];
 node *next;

}employee;

void Add(employee *L,int n) //创建函数
{
 char num[10],name[20],sex[20],age[5],position[20],wage[10],telenum[20],addr[50];
    int i=0,j=0,k=0;
 employee *N;
 while(i<n)//员工个数为n
 {
cout<<"请输入第"<<i+1 <<"名员工的信息:"<<endl;
cout<<"*******************************************************************************"<<endl;
cout<<"工号<<"    "<<姓名<<"    "<性别<<"    "<<年龄<<"     "<<职位<<"   "<<工资<<"   "<<电话<<"    "<<住址"<<endl;
cout<<"*******************************************************************************"<<endl;
 cin>>num;
 cin>>name;
 cin>>sex;
 cin>>age;
 cin>>position;
 cin>>wage;
 cin>>telenum;
 cin>>addr;
 N=(employee *)malloc(sizeof(employee));
strcpy(N->num,num);
strcpy(N->name,name);
strcpy(N->sex,sex);
strcpy(N->age,age);
strcpy(N->position,position);
strcpy(N->wage,wage);
strcpy(N->telenum,telenum);
strcpy(N->addr,addr);  
N->next=NULL;
L->next=N;
L=N;
i++;
 }   
}
void Display(employee *L)              //显示函数 
{    cout<<"*******************************************************************************"<<endl;
cout<<"工号<<"    "<<姓名<<"    "<性别<<"    "<<年龄<<"     "<<职位<<"   "<<工资<<"   "<<电话<<"    "<<住址"<<endl;
while(L->next!=NULL)
{
L=L->next;
cout<<L->num<<"    ";
cout<<L->name<<"    ";
cout<<L->sex<<"     ";
cout<<L->age<<"     ";
cout<<L->position<<"     ";
cout<<L->wage<<"     ";
cout<<L->telenum<<"     ";
cout<<L->addr<<"     "<<endl;
}
cout<<"*******************************************************************************"<<endl;
if(L->next=NULL)
cout<<"当前没有员工信息!"<<endl;
}
void Show(employee *L)//显示一个节点
{
 cout<<"*******************************************************************************"<<endl;
 cout<<"工号<<"    "<<姓名<<"    "<性别<<"    "<<年龄<<"     "<<职位<<"   "<<工资<<"   "<<电话<<"    "<<住址"<<endl;
cout<<L->num<<"    ";
cout<<L->name<<"    ";
cout<<L->sex<<"     ";
cout<<L->age<<"     ";
cout<<L->position<<"     ";
cout<<L->wage<<"     ";
cout<<L->telenum<<"     ";
cout<<L->addr<<"     "<<endl;
cout<<"*******************************************************************************"<<endl;
}

void Search(employee *L)//查询函数
{
 char num[10];
employee *p;
p=L;
{
  cout<<"请输入要查找员工的工号："<<endl;
cin>>num;
while(L!=NULL)
{
 if(strcmp(L->num,num)==0)
 {
  Show(L);
   break;
 }
 else L=L->next;
}
if(L==NULL)
cout<<"不存在该员工的信息,请重新输入："<<endl; 
L=p;
}
}

void Modify(employee *L)
{
   int x;
  char num[10],name[20],sex[5],age[5],position[20],wage[10],telenum[20],addr[50];
  cout<<"请输入要更新员工的工号："<<endl;
  cin>>num;
  L=L->next;
 while(L!=NULL)
 {
  if(strcmp(L->num,num)==0)
  {
   Show(L);
   break;
  }
  else L=L->next;
 }
 if(L==NULL)
  cout<<"查无此人,请重新输入："<<endl;
else
{
 while(1)
 {
   cout<<"1.修改           2.退出"<<endl; 
         cout<<"请选择:(1,2)"<<endl;
  cin>>x;
if(x==1)
  {
   cout<<"请输入新数据:"<<endl;;
 cin>>num;
 cin>>name;
 cin>>sex;
 cin>>age;
 cin>>position;
 cin>>wage;
 cin>>telenum;
 cin>>addr;
strcpy(L->num,num);
strcpy(L->name,name);
strcpy(L->sex,sex);
strcpy(L->age,age);
strcpy(L->position,position);
strcpy(L->wage,wage);
strcpy(L->telenum,telenum);
strcpy(L->addr,addr);
cout<<"修改的数据为："<<endl;
Show(L);

  }
  else if(x==2) break;
  else
cout<<"输入有误，请重新输入："<<endl;
 }
}
}
void Delete(employee *L)
{
 char num[10];
 int x;
    employee *p,*q,*w;
cout<<"请输入要删除员工的工号："<<endl;
cin>>num;
w=L;
L=L->next;
while(L!=NULL)
{
if(strcmp(L->num,num)==0)
{
 Show(L);
 break;
}
else
{
 w=L;
 L=L->next;
}
}
if(L==NULL)
cout<<"查无此人,请重新输入："<<endl;
else
{
 p=w;
 while(1)
 {
  cout<<"1.删除员工数据            2.退出"<<endl;
  cout<<"请选择:(1,2)"<<endl;
        cin>>x;
if(x==1)
{
   q=p->next;
      p->next=q->next;
   free(q);
   break;
}
else if(x==2)
break;
else
cout<<"输入有误，请重新输入："<<endl;
 }
}
}

int main()
{
 int x,n;
 employee *L;
  L=(employee *)malloc(sizeof(employee));
  L->next=NULL;
  cout<<"                                                             "<<endl; 
  cout<<"***************************************************************************"<<endl;
  cout<<"*                                                                         *"<<endl;
  cout<<"*              【       欢 迎 进 入 员 工 管 理 系 统      】             *"<<endl;
  cout<<"*                                                                         *"<<endl;
  cout<<"*              ------------------------------------------------           *"<<endl; 
  while(1)
  {
      cout<<"---------------------------------------------------------------------------"<<endl;
      cout<<"*                                                                         *"<<endl;
      cout<<"*                1.添加                          2.查询                   *"<<endl;
   cout<<"*                                                                         *"<<endl;
   cout<<"*                3.修改                          4.显示                   *"<<endl;
   cout<<"*                                                                         *"<<endl;
   cout<<"*                5.删除                          6.退出                   *"<<endl;
   cout<<"*                                                                         *"<<endl;
      cout<<"----------------------------------------------------------------------------"<<endl;
   cout<<"   "<<endl;  
   cout<<"请选择:";
       cin>>x;
    if(x==1)
      {
     cout<<"请输入员工数目:"<<endl;
      cin>>n;
           Add(L,n);
    }
     else if(x==2) 
  {
   if(L->next==NULL)
    cout<<"当前没有任何员工的信息，不能进行查询!"<<endl;
   else
               Search(L);
 }
else if(x==3) 
 {
if(L->next==NULL)
 cout<<"当前没有任何员工的信息，不能进行修改!"<<endl;
 else 
            Modify(L);
}

 else if(x==4)
  {
  if(L->next==NULL)
    cout<<"当前没有任何员工的信息!"<<endl;
  else
  { 
   cout<<"该员工管理系统的所有信息："<<endl;
   Display(L);
  }
 }
 else if(x==5)
 {
  if(L->next==NULL)
   cout<<"当前没有任何员工的信息，不能进行删除!"<<endl;
else
Delete(L);          
 }
else if(x==6)
{
  cout<<"          ************感谢您的使用************"<<endl;
   
}
 else 
  cout<<"输入有误，请重新输入："<<endl;
  }
return 0;
}

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