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#include<malloc.h>
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
//枚举型岗位：销售员、技术员、销售经理、经理
enum workpost { SALESMAN = 0, TECHNICIAN, SALESMANAGER, MANAGER };
//员工类型：链表结点
struct Employee {
int id; //员工号：主键，唯一
char name[10]; //姓名
char sex[3]; //性别：男或女
int age; //年龄
char department[20]; //部门
enum workpost post; //枚举型岗位
int workHour; //当月工作小时数
double sales; //当月月销售额
double salary; //月工资
struct Employee * next;//链表的指针域
};
#define LENGTH 50
//全局变量
Employee Employees[LENGTH];
typedef int DataType;
Employee *head;
int select = 1;//功能选择变量
int subselect = 1;//子功能选择变量
FILE *fp;
int i = 0;//循环变量
//函数声明
void ListInitiate(Employee **head);
void Load();
void Check();
void AddData();
void UpdataData();
void QueryData();
void DeleteData();
void Sorting();
void Statistics();
void Save();
//菜单函数
//要求：至少有两层菜单。
void Menu()
{
while (select)
{
printf("————————员工工资管理系统————————\n");
printf("————1. 增添数据 2. 修改数据————\n");
printf("————3. 查找数据 4. 删除数据————\n");
printf("————5. 排序函数 6. 统计数据————\n");
printf("————0. 退出程序 7. 查看链表————\n");
printf("请输入你的选择：\n");
scanf("%d", &select);
switch (select)
{
case 1:
AddData();
break;
case 2:
UpdataData();
break;
case 3:
QueryData();
break;
case 4:
DeleteData();
break;
case 5:
Sorting();
break;
case 6:
Statistics();
break;
case 7:
Check();
break;
case 0: break;
default: printf("输入错误！请重新选择。\n");
}
}
}
//功能函数
//初始化链表函数
void ListInitiate(Employee **head)//head是一个指针，*head也是一个指针
{
*head = (Employee *)malloc(sizeof(Employee));//申请头结点
(*head)->next = NULL;
}
//必须用文件来存储员工信息：
//开始运行程序时从文件中读取员工信息到链表，退出程序时将员工信息保存到文件中。
void Load() {
if ((fp = fopen("Employee.txt", "ab+")) == NULL)
{
printf("打开文件出错！\n");
exit(1);
}
//未知文件长度，使用feof(FILE *Stream)判断文件结尾
while (!feof(fp))
{
//feof(fp)通过fread/fscanf是否读写出错判断，应该在读写操作之后进行判断，否则多进行一轮循环
if (fread(&Employees[i], sizeof(struct Employee), 1, fp) == 0)
{
continue;
}
Employee *p, *q;//分别用于指向第i个结点和待插入的新结点
p = head;
while (p->next != NULL)//把指针P定位到链表尾位置
{
p = p->next;
}
q = (Employee *)malloc(sizeof(Employee));//用指针Q申请新结点
//存入数据到链表结点
q->id = i;
q->id++;
strcpy(q->name, Employees[i].name);
strcpy(q->sex, Employees[i].sex);
q->age = Employees[i].age;
strcpy(q->department, Employees[i].department);
q->post = Employees[i].post;
q->workHour = Employees[i].workHour;
q->sales = Employees[i].sales;//当月月销售额
q->salary = Employees[i].salary;//月工资
q->next = p->next;//Q指针的next域指向P指针的next域，即第i个结点
p->next = q;
i++;
}
fclose(fp);
}
//检查链表数据输入是否准确
void Check()
{
Employee *p;
p = head;
if (p->next == NULL)
{
printf("链表为空！\n");
}
else
{
printf("链表数据内容为：\n");
while (p->next != NULL)
{
p = p->next;
printf("%d %s %s %d %s ", p->id, p->name, p->sex, p->age, p->department);
switch (p->post)
{
case 0:
printf("SALESMAN ");
break;
case 1:
printf("TECHNICIAN ");
break;
case 2:
printf("SALESMANAGER");
break;
case 3:
printf("MANAGER ");
break;
default:
printf("数据有误！\n");
break;
}
printf(" %d %.2lf %.2lf\n", p->workHour, p->sales, p->salary);
}
printf("输出完毕！\n");
}
}
//增添数据
//添加一个员工，只输入该员工的基本信息（姓名、年龄、性别、部门、岗位）。
void AddData()
{
Employee *p, *q;//分别用于指向第i个结点和待插入的新结点
p = head;
while (p->next != NULL)//把指针P定位到链表尾位置
{
p = p->next;
}
q = (Employee *)malloc(sizeof(Employee));//用指针Q申请新结点
i++;
q->id = i;
printf("请输入员工姓名：\n");
scanf("%s", q->name);
printf("请输入员工年龄：\n");
scanf("%d", &q->age);
printf("请输入员工性别：\n");
scanf("%s", q->sex);
printf("请输入员工部门：\n");
scanf("%s", q->department);
printf("请输入员工岗位：\n");
scanf("%d", &q->post);
q->workHour = 0;
if (q->post == 3)
{
q->salary = 8000.0;
}
else
{
q->salary = 0.0;
}
q->sales = 0.0;
q->next = p->next;//Q指针的next域指向P指针的next域，即第i个结点
p->next = q;
printf("添加成功！\n");
}
//修改数据
/*
1)根据员工号来修改任意员工的基本信息（姓名、年龄、性别、部门、岗位）。
2)批量计算所有技术员的当月工资额（需填写技术员当月工作时间）。
3)批量计算所有销售员的当月工资额（需填写销售员当月销售额）；然后批量计算所有销售经理的当月工资额。
*/
void UpdataData()
{
subselect = 1;
Employee *p, *p1;
p = head;
while (subselect)
{
printf("—————— 修改数据的二级菜单 ——————\n");
printf("——1. 根据员工号来修改任意员工的基本信息\n");
printf("——2. 批量计算所有技术员的当月工资额\n");
printf("——3. 批量计算所有销售员的当月工资额，然后批量计算所有销售经理的当月工资额\n");
printf("——0. 退出此子菜单\n");
printf("请输入你的选择：\n");
scanf("%d", &subselect);
switch (subselect)
{
case 1:
p = head;
int ID;
printf("请输入待修改的员工信息的员工号：\n");
scanf("%d", &ID);
while (p->next != NULL)
{
p = p->next;
if (p->id == ID)
{
printf("请输入新的员工姓名：\n");
scanf("%s", p->name);
printf("请输入新的员工年龄：\n");
scanf("%d", &p->age);
printf("请输入新的员工性别：\n");
scanf("%s", p->sex);
printf("请输入新的员工部门：\n");
scanf("%s", p->department);
printf("请输入新的员工岗位：\n");
scanf("%d", &p->post);
printf("信息录入成功！\n");
break;
}
}
break;
case 2:
//批量计算所有技术员的当月工资额，技术员工资：工作时间＊小时工资（100元每小时）
p = head;
while (p->next != NULL)
{
p = p->next;
if (p->post == 1)
{
printf("请填写员工号为%d的技术员当月工作时间：\n", p->id);
scanf("%d", &p->workHour);
p->salary = p->workHour * 100;
}
}
break;
case 3:
//销售员工资：销售额＊4%提成；
p = head;
while (p->next != NULL)
{
p = p->next;
if (p->post == 0)
{
printf("请填写员工号为%d的销售员当月销售额：\n", p->id);
scanf("%lf", &p->sales);
p->salary = p->sales*0.04;
}
}
//销售经理：底薪（5000）＋所辖部门销售额总额＊0.5%。
p = head;
while (p->next != NULL)
{
p = p->next;
p1 = head;
double sum_of_sales = 0.0;
if (p->post == 2)
{
while(p1->next != NULL)
{
p1 = p1->next;
if (strcmp(p->department, p1->department)==0)
{
sum_of_sales += p1->sales ;
}
}
p->salary = sum_of_sales * 0.005 + 5000;
}
}
break;
case 0:
break;
default:
printf("输入错误！请重新选择。\n");
}
}
}
//查询数据
void QueryData()
{
subselect = 1;
Employee *p;
p = head;
while (subselect)
{
printf("—————— 查询数据的二级菜单 ——————\n");
printf("——1. 根据工号或者姓名查询员工信息\n");
printf("——2. 按部门显示本部门全部员工信息\n");
printf("——3. 分别显示4种岗位的员工信息\n");
printf("——4. 分页显示全部员工的信息\n");
printf("——0. 退出此子菜单\n");
printf("请输入你的选择：\n");
scanf("%d", &subselect);
switch (subselect)
{
case 1:
p = head;
int ID;
printf("请输入工号：\n");
scanf("%d", &ID);
while (p->next != NULL)
{
p = p->next;
if (p->id == ID)
{
printf("%d %s %s %d %s ", p->id, p->name, p->sex, p->age, p->department);
switch (p->post)
{
case 0:
printf("SALESMAN ");
break;
case 1:
printf("TECHNICIAN ");
break;
case 2:
printf("SALESMANAGER");
break;
case 3:
printf("MANAGER ");
break;
default:
printf("数据有误！\n");
break;
}
printf(" %d %.2lf %.2lf\n", p->workHour, p->sales, p->salary);
printf("输出完毕！\n");
}
}
break;
case 2:
char Department[20];
printf("请输入部门名称：\n");
scanf("%s", &Department);
p = head;
while(p->next != NULL)
{
p = p->next;
if (strcmp(p->department, Department)==0)
{
printf("%d %s %s %d %s ", p->id, p->name, p->sex, p->age, p->department);
switch (p->post)
{
case 0:
printf("SALESMAN ");
break;
case 1:
printf("TECHNICIAN ");
break;
case 2:
printf("SALESMANAGER");
break;
case 3:
printf("MANAGER ");
break;
default:
printf("数据有误！\n");
break;
}
printf(" %d %.2lf %.2lf\n", p->workHour, p->sales, p->salary);
}
}
printf("输出完毕！\n");
break;
case 3:
printf("SALESMAN:\n");
p = head;
while (p->next != NULL)
{
p = p->next;
if (p->post==0)
{
printf("%d %s %s %d %s ", p->id, p->name, p->sex, p->age, p->department);
switch (p->post)
{
case 0:
printf("SALESMAN ");
break;
case 1:
printf("TECHNICIAN ");
break;
case 2:
printf("SALESMANAGER");
break;
case 3:
printf("MANAGER ");
break;
default:
printf("数据有误！\n");
break;
}
printf(" %d %.2lf %.2lf\n", p->workHour, p->sales, p->salary);
}
}
printf("TECHNICIAN:\n");
p = head;
while (p->next != NULL)
{
p = p->next;
if (p->post==1)
{
printf("%d %s %s %d %s ", p->id, p->name, p->sex, p->age, p->department);
switch (p->post)
{
case 0:
printf("SALESMAN ");
break;
case 1:
printf("TECHNICIAN ");
break;
case 2:
printf("SALESMANAGER");
break;
case 3:
printf("MANAGER ");
break;
default:
printf("数据有误！\n");
break;
}
printf(" %d %.2lf %.2lf\n", p->workHour, p->sales, p->salary);
}
}
printf("SALESMANAGER:\n");
p = head;
while (p->next != NULL)
{
p = p->next;
if (p->post==2)
{
printf("%d %s %s %d %s ", p->id, p->name, p->sex, p->age, p->department);
switch (p->post)
{
case 0:
printf("SALESMAN ");
break;
case 1:
printf("TECHNICIAN ");
break;
case 2:
printf("SALESMANAGER");
break;
case 3:
printf("MANAGER ");
break;
default:
printf("数据有误！\n");
break;
}
printf(" %d %.2lf %.2lf\n", p->workHour, p->sales, p->salary);
}
}
printf("MANAGER:\n");
p = head;
while (p->next != NULL)
{
p = p->next;
if (p->post==3)
{
printf("%d %s %s %d %s ", p->id, p->name, p->sex, p->age, p->department);
switch (p->post)
{
case 0:
printf("SALESMAN ");
break;
case 1:
printf("TECHNICIAN ");
break;
case 2:
printf("SALESMANAGER");
break;
case 3:
printf("MANAGER ");
break;
default:
printf("数据有误！\n");
break;
}
printf(" %d %.2lf %.2lf\n", p->workHour, p->sales, p->salary);
}
}
printf("输出完毕！\n");
break;
case 4:
printf("分页功能略难（没学过），暂时留空吧\n");
break;
case 0:
break;
default:
printf("输入错误！请重新选择。\n");
}
}
}
//删除数据
void DeleteData(){
Employee *p, *s;
p = head;
printf("请输入要删除员工信息的员工号：\n");
scanf("%d", &i);
while (p->next != NULL)
{
s = p;
p = p->next;
if(p->id==i) break;
}
s->next = s->next->next;
free(p);
}
//按要求排序
void Sorting()
{
subselect = 1;
Employee *p, *p1;
int z = 0;
int f=0;
int count = 0;
double s[20];
double storeNum;
p = head;
while (subselect)
{
printf("—————— 排序数据的二级菜单 ——————\n");
printf("——1. 所有员工信息按当月工资从高到低并显示\n");
printf("——2. 某个岗位的员工信息按当月工资从高到低显示\n");
printf("——0. 退出此子菜单\n");
printf("请输入你的选择：\n");
scanf("%d", &subselect);
switch (subselect)
{
case 1:
p = head;
z = 0;
while (p->next != NULL)
{
p = p->next;
s[z] = p->salary;
z++;
}
//冒泡排序
for (int i = 0; i < z-1; i++)//因为进行两两比较，10个数最坏的情况就需要进行9趟
{
for (int j = 0; j < (z-1) - i; j++)//因为每进行一趟就可以排好一个数，所以循环次数-i
{
if (s[j] > s[j+1])//两两比较
{
double temp = s[j];
s[j] = s[j+1];
s[j+1] = temp;
}
}
}
z--;
for (int i = z; i >= 0; i--)
{
if(storeNum == s[i])
{
continue;
}
p = head;
while (p->next != NULL)
{
p = p->next;
storeNum = s[i];
if(p->salary==s[i])
{
printf("%d %s %s %d %s ", p->id, p->name, p->sex, p->age, p->department);
switch (p->post)
{
case 0:
printf("SALESMAN ");
break;
case 1:
printf("TECHNICIAN ");
break;
case 2:
printf("SALESMANAGER");
break;
case 3:
printf("MANAGER ");
break;
default:
printf("数据有误！\n");
break;
}
printf(" %d %.2lf %.2lf\n", p->workHour, p->sales, p->salary);
}
}
}
break;
case 2:
int Post;
z = 0;
storeNum = 0.0;
printf("请输入岗位信息：（SALESMAN = 0, TECHNICIAN, SALESMANAGER, MANAGER）\n");
scanf("%d", &Post);
p = head;
while(p->next != NULL)
{
p = p->next;
if (p->post==Post)
{
s[z] = p->salary;
z++;
}
}
//冒泡排序
for (int i = 0; i < z-1; i++)
{
for (int j = 0; j < (z-1) - i; j++)//因为每进行一趟就可以排好一个数，所以循环次数-i
{
if (s[j] > s[j+1])//两两比较
{
double temp = s[j];
s[j] = s[j+1];
s[j+1] = temp;
}
}
}
z--;
for (int i = z; i >= 0; i--)
{
if(storeNum == s[i])
{
continue;
}
p = head;
while (p->next != NULL)
{
p = p->next;
if(p->salary==s[i]&&p->post==Post)
{
storeNum = s[i];
printf("%d %s %s %d %s ", p->id, p->name, p->sex, p->age, p->department);
switch (p->post)
{
case 0:
printf("SALESMAN ");
break;
case 1:
printf("TECHNICIAN ");
break;
case 2:
printf("SALESMANAGER");
break;
case 3:
printf("MANAGER ");
break;
default:
printf("数据有误！\n");
break;
}
printf(" %d %.2lf %.2lf\n", p->workHour, p->sales, p->salary);
}
}
}
break;
case 0:
break;
default:
printf("输入错误！请重新选择。\n");
}
}
}
//统计数据
void Statistics()
{
printf("hh\n");
}
//保存链表数据到文件
void Save()
{
Employee *p;
p = head;
i = 0;
//第一步将链表中的结点信息存入数组中
while (p->next != NULL)
{
p = p->next;
Employees[i].id = p->id;
strcpy(Employees[i].name, p->name);
strcpy(Employees[i].sex, p->sex);
Employees[i].age = p->age;
strcpy(Employees[i].department, p->department);
Employees[i].post = p->post;
Employees[i].workHour = p->workHour;
Employees[i].sales = p->sales;//当月月销售额
Employees[i].salary = p->salary;//月工资
i++;
}
//第二步将数组数据录入文本文件
if ((fp = fopen("employee.txt", "wb+")) == NULL)
{
printf("打开文件出错！\n");
exit(1);
}
p = head;
i = 0;
while (p->next != NULL)
{
p = p->next;
if (fwrite(&Employees[i], sizeof(struct Employee), 1, fp) != 1)
{
printf("写入文件出错！\n");
}
i++;
}
fclose(fp);
printf("成功保存数据到文本文件employee\n");
}
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