项目实训-企业员工考勤系统

企业员工每天上下班要进行考勤，要求实现每天将进门的员工进行考勤，公布每天应出勤人数、实出勤人数、请假人数等信息

/*智能人员考评系统*/
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include<string.h>
void SaveStaff();
void ReadStaff();
//typedef struct sNode Node;
typedef struct staff{
    char name[20];
    char id[10];
    int sex;
    int grade;
    char function[20];
    void (*func)(void *g_pHead );
}Staffes;

typedef struct sNode
{
  Staffes stu;          //员工信息
  struct sNode* pNext;    //指向下一个员工
}Node;

Node *g_pHead =NULL;    //定义第一个员工

void menu(){
        printf("     智能人员考评系统       \n");
        printf("----------------------------\n");
        printf("|1、添加员工信息            |\n");
        printf("|2、保存所有员工信息        |\n");
        printf("|3、查询员工信息            |\n");
        printf("|4、删除员工信息            |\n");
        printf("|5、修改员工信息            |\n");
        printf("|6、职能施展                |\n");
        printf("|7、退出                    |\n");
        printf("----------------------------\n");
        printf("请输入相应的序号选择!       \n");
}

//添加员工
void addStaff(){
   system("cls");
       ReadStaff();
    //SaveStaff();
    printf("请输入员工 工号 姓名 性别 评分 职能\n");
    Node* p;
    
    p = g_pHead;
    
    while (g_pHead !=NULL &&p->pNext != NULL)
    {
         p = p->pNext;
    }
    
    Node* pNewNode = (Node*)malloc(sizeof(Node));//为新添加的员工分配空间
    
    pNewNode->pNext = NULL;

    if (g_pHead == NULL)

    {

        g_pHead = pNewNode;

        p = g_pHead;

    }

    else

    {

        p->pNext = pNewNode;//p的下一个节点为pNewNode

    }    
    //scanf("%s %s %d %d %s",pNewNode->stu.id,pNewNode->stu.name,&pNewNode->stu.sex,&pNewNode->stu.grade,pNewNode->stu.function);
        printf("工号:");
        scanf("%s",pNewNode->stu.id);
         printf("姓名:");
        scanf("%s",pNewNode->stu.name);
        printf("性别:");
        scanf("%d",&pNewNode->stu.sex);
        printf("评分:%d\n",pNewNode->stu.grade=0);
        printf("职能:");
        scanf("%s",pNewNode->stu.function);
    
    

    printf("     \n数据添加成功....\n\n\n");
    system("pause");
    system("cls");
    
}

//保存
void SaveStaff()
{
    system("cls");
    FILE *pFile = fopen("staff.txt", "w");
    if (pFile ==0)
    {
        printf("打开文件失败");
        return;
    }
    
    //写入数据
    
    Node *p;
    p = g_pHead;
    
    while (p != NULL)
    {
        fprintf(pFile,"%s %s %d %d %s\n",p->stu.id,p->stu.name,p->stu.sex,p->stu.grade,p->stu.function);
        
        p =p->pNext;
    }
    
    printf("     \n\n数据保存成功\n\n\n");
    
       
    
        fclose(pFile);
    system("pause");
    system("cls");
}



//读员工信息
void ReadStaff()
{
    system("cls");
    
    Node *p,*p2;
    
    p = p2 = g_pHead;
    
    while(p2 != NULL)//先吧链表中的数据删掉
    {
        p=p->pNext;
        free(p2);
        p2=p;
    }
    
    g_pHead = NULL;
    
    FILE *pFile = fopen("staff.txt","r+");
    //printf("打开文件");
    if(pFile ==0)
    {
        printf("打开文件失败");
        return;
    }
    
    //读取数据
    
    while (!feof(pFile))
    {
    Node *pTemp = (Node*)malloc(sizeof(Node));
        fscanf(pFile, "%s %s %d %d %s\n", &pTemp->stu.id, &pTemp->stu.name, &pTemp->stu.sex, &pTemp->stu.grade,&pTemp->stu.function);
    //    printf("duqu");
                //创建链表
                
    if(g_pHead ==NULL)
    {
        g_pHead = pTemp;
    
        p = g_pHead;    
    }
    
    else 
    {
        
        p->pNext =pTemp; //p的下一个节点为temp
        
        p = p->pNext;
        
        p->pNext = NULL;
    }
        }
    fclose(pFile);
    

}



//查找员工
Node* FindStaff()
{
    system("cls");
    char StaNum[20];
    
    printf("请输入您要查找的员工号: ");
    
    scanf("%s",StaNum);
    
    ReadStaff();  //把文件的东西都取到链表中
    
    Node* p;
    
    p = g_pHead;
    
    while (p != NULL)
    {
        if (strcmp(p->stu.id,StaNum)==0)
        {
            return p;
        }
        
        p = p->pNext;
    }
  //链表完没有找到信息

    if (p == NULL)

    {

        printf("没有员工的信息\n");

        return NULL;

    }

    return NULL;
        
}

//删除
void DeleteStaff()
{
    system("cls");
    char StaNum[20];
    
    printf("请输入要删除员工工号：\n");
    
    scanf("%s",StaNum);
    ReadStaff();   //把文件内容读入链表
    
    Node *p,*p2;
    
    p= g_pHead;
    
    if(strcmp(g_pHead->stu.id,StaNum)==0)//判断是不是头结点
    {
        p2 = g_pHead;
        
        g_pHead=g_pHead->pNext;
        
        free(p2);
        return;
    }
    
    while(p->pNext != NULL)//不是头节点时
    {
        if(strcmp(p->pNext->stu.id,StaNum)==0)
        {
            p2=p->pNext;
            
            p->pNext =p->pNext->pNext;//直接把要删除的跳过
            free(p2);
            return;
        }
        
        p=p->pNext;
        
        if(p->pNext == NULL)//看看是不是链表尾
        {
            break;
        }
        
    }
    if (p->pNext == NULL)
    
        {
    
            printf("没有该员工信息\n");
    
        }
    
    
}


//修改员工信息
void modifystaff(){
    system("cls");
    
    char StaNum[20];
    printf("请输入您要修改的员工工号");
    scanf("%s",StaNum);
    ReadStaff();   //把文件内容读入链表
    
     Node* p;
    
     p = g_pHead;
     
     while(p != NULL){
         if(strcmp(p->stu.id,StaNum)==0){
             printf("工号：%s\t姓名:%s\t性别：%d\t评分%d\t职能:%s\n\n",p->stu.id, p->stu.name, p->stu.sex, p->stu.grade,p->stu.function);
             printf("请输入要修改的信息：工号 姓名 性别 分数 职能\n\n");
             printf("工号：%s\n",p->stu.id);
             printf("姓名：");
             scanf("%s",p->stu.name);
             printf("性别：%d\n评分：%d\n职能:",p->stu.sex,p->stu.grade);
             scanf("%s",p->stu.function);
             printf("\n修改成功\n");
             break;
         }
         
         p=p->pNext;
         
         
     }
     
     if(p== NULL)
     {
         printf("没有该员工信息！\n");
     }
    system("pause");
    system("cls");
}
//考核打分
void DaFen(void *g_pHead){
    system("cls");
    ReadStaff();   //把文件内容读入链表
    
    Node* p;
    
    p = (Node*)g_pHead;
    while (p != NULL){
    
    printf("工号：%s\t姓名:%s\t性别：%d\t职能:%s\t评分:",p->stu.id,p->stu.name,p->stu.sex,p->stu.function);    
    scanf("%d",&p->stu.grade);
    p = p->pNext;
    
    }

    SaveStaff();
//    return 0;
}

//清楚打分
void Clear(void *g_pHead){
    system("cls");
    ReadStaff();   //把文件内容读入链表
    
    Node* p;
    
     p = (Node*)g_pHead;
    while (p != NULL)
    {
        printf("工号：%s\t姓名:%s\t性别：%d\t职能:%s\t评分:",p->stu.id,p->stu.name,p->stu.sex,p->stu.function);
        p->stu.grade=0;
        printf("%d\n",p->stu.grade);
        p = p->pNext;
    }
        system("pause");
        SaveStaff();
    //    return 0;
}

//排序
void Sort(void *g_pHead){
    system("cls");
    ReadStaff();   //把文件内容读入链表
    int i,j,cout=0;        
    Node* p;
    Staffes t; 
            
     p =(Node*) g_pHead;
   
   while (p != NULL)
   {
       cout++;
   //    printf("工号：%s\t姓名:%s\t性别：%d\t评分%d\t职能:%s\n",p->stu.id, p->stu.name, p->stu.sex, p->stu.grade,p->stu.function);
       p = p->pNext;
       
   }
   Node* b,* d;
   for(b=(Node*) g_pHead;b!=NULL;b = b->pNext){
   for(d=b;d!=NULL;d = d->pNext){
       if(b->stu.grade>d->stu.grade){
       t = d->stu;
       d->stu=b->stu;
       b->stu=t;
       }
   }
   }
   
       p =(Node*) g_pHead;
   
   while (p != NULL)
   {
       cout++;
       printf("工号：%s\t姓名:%s\t性别：%d\t评分%d\t职能:%s\n",p->stu.id, p->stu.name, p->stu.sex, p->stu.grade,p->stu.function);
       p = p->pNext;
       
   }
   system("pause");    
    SaveStaff();
    
//    return 0;        
}
//计算分数
void Average(void *g_pHead){
//    system("cls");
    int sum=0;
    int cout=0;
        ReadStaff();   //把文件内容读入链表
        
        Node* p;
        
        p =(Node*) g_pHead;
        while (p != NULL)
        {
        sum=sum+p->stu.grade;
        cout++;    
            p = p->pNext;
        } 
        printf("所有员工总分数为：  %d\n",sum);
        printf("所有员工总人数为：  %d\n",cout);
        printf("所有员工平均分数为：%d\n\n",sum/cout);
        system("pause");
        system("cls");
        //SaveStaff();
    //return 0;
}

//职能施展
void operation(){
    system("cls");    
    char StaNum[20];
    printf("请输入您的工号：");
    scanf("%s",StaNum);
    char dafen[]="dafen";
    char sclear[]="clear";
    char sort[]="sort";
    char average[]="average";
        ReadStaff();   //把文件内容读入链表
        
         Node* p;
        
         p = g_pHead;
         
         while(p!= NULL){
             
             if(strcmp(p->stu.id,StaNum)==0){
                 if(strcmp(p->stu.function,dafen)==0)
                 {
                    p->stu.func=DaFen;
                   p->stu.func(g_pHead);
                     break;
                 }
                 else if(strcmp(p->stu.function,sclear)==0)
                 {
                     p->stu.func=Clear;
                    p->stu.func(g_pHead);
                     break;
                 }
                 else if(strcmp(p->stu.function,sort)==0)
                 {
                   p->stu.func=Sort;
                   p->stu.func(g_pHead);
                     break;
                 }
                 else if(strcmp(p->stu.function,average)==0){
                   p->stu.func=Average;
                   p->stu.func(g_pHead);
                     break;
                 }
                 else 
                 {
                     printf("抱歉您没有特殊职能\n");
                     break;
                 }
             }
             
             p=p->pNext;
             
             
         }
        
        if(p == NULL)
        {
            printf("工号输入错误\n");
        }
    
}

int main()
{
    while(1){
//    system("cls");
    menu();
    char ch;
    ch = _getch();
    switch (ch)
    {
        case '1':        //1、添加员工信息
            addStaff();
            break;
            
        case '2':        //2、保存员工信息
            SaveStaff();
            break;    
            
        case '3':       //3、查询员工信息 
            
                {
                    Node *pNode = FindStaff();
                    if(pNode !=NULL)
                    {
                        printf("工号：%s\t姓名:%s\t性别：%d\t评分%d\t职能:%s\n\n\n",pNode->stu.id, pNode->stu.name, pNode->stu.sex, pNode->stu.grade,pNode->stu.function);
                    }
                    system("pause");
                    system("cls");
                    break;    
                }        
            
        case '4':       //4、删除员工信息
            DeleteStaff();
            break;
            
        case '5':        //5、修改员工信息 
            modifystaff();
            break;
            
        case '6':        //6、职能施展 
            operation();
        break;
            
        case '7':        //7、退出
            
                printf("\n\n   欢迎再次使用！  \n\n\n");            
                exit(0);            
                break;
            
       default:
            
                printf("您的输入有误，请重新输入！\n");
            
                break;
    }
    }
    return 0;
}

https://blog.csdn.net/sdefrfdd/article/details/126010359