C语言职工信息管理系统

C语言职工信息管理系统可以通过使用结构体和文件操作来实现。以下是一个简单的示例：

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define MAX_SIZE 100

// 定义职工结构体
typedef struct {
    int id;
    char name[20];
    char gender[10];
    int age;
    char education[20];
    float salary;
    char address[50];
    char phone[20];
} Employee;

// 菜单函数
void menu() {
    printf("********** 职工信息管理系统 **********\n");    printf("1. 录入职工信息\n");
    printf("2. 浏览职工信息\n");    printf("3. 查询职工信息\n");
    printf("4. 删除职工信息\n");
    printf("5. 修改职工信息\n");
    printf("0. 退出系统\n");
    printf("************************************\n");
}

// 录入职工信息函数
void input(Employee *employees, int *count) {
    printf("请输入职工信息：\n");
    printf("职工号：");
    scanf("%d", &(employees[*count].id));
    printf("姓名：");
    scanf("%s", employees[*count].name);
    printf("性别：");
    scanf("%s", employees[*count].gender);
    printf("年龄：");
    scanf("%d", &(employees[*count].age));
    printf("学历：");
    scanf("%s", employees[*count].education);
    printf("工资：");
    scanf("%f", &(employees[*count].salary));
    printf("住址：");
    scanf("%s", employees[*count].address);
    printf("电话：");
    scanf("%s", employees[*count].phone);
    
    (*count)++;
    printf("录入成功！\n");
}

// 浏览职工信息函数
void browse(Employee *employees, int count) {
    printf("职工信息如下：\n");
    for (int i = 0; i < count; i++) {
        printf("职工号：%d\n", employees[i].id);
        printf("姓名：%s\n", employees[i].name);
        printf("性别：%s\n", employees[i].gender);
        printf("年龄：%d\n", employees[i].age);
        printf("学历：%s\n", employees[i].education);
        printf("工资：%.2f\n", employees[i].salary);
        printf("住址：%s\n", employees[i].address);
        printf("电话：%s\n", employees[i].phone);        printf("--\n");
    }
}

// 查询职工信息函数
void query(Employee *employees, int count) {
    int choice;
    printf("请选择查询方式：\n");
    printf("1. 按学历查询\n");
    printf("2. 按职工号查询\n");
    scanf("%d", &choice);
    
    if (choice == 1) {
        char education[20];
        printf("请输入学历：");
        scanf("%s", education);
        
        printf("查询结果如下：\n");
        for (int i = 0; i < count; i++) {
            if (strcmp(employees[i].education, education) == 0) {
                printf("职工号：%d\n", employees[i].id);
                printf("姓名：%s\n", employees[i].name);
                printf("性别：%s\n", employees[i].gender);
                printf("年龄：%d\n", employees[i].age);
                printf("学历：%s\n", employees[i].education);
                printf("工资：%.2f\n", employees[i].salary);
                printf("住址：%s\n", employees[i].address);
                printf("电话：%s\n", employees[i].phone);
                printf("--\n");
            }
        }
    } else if (choice == 2) {
        int id;
        printf("请输入职工号：");
        scanf("%d", &id);
        
        printf("查询结果如下：\n");
        for (int i = 0; i < count; i++) {
            if (employees[i].id == id) {
                printf("职工号：%d\n", employees[i].id);
                printf("姓名：%s\n", employees[i].name);
                printf("性别：%s\n", employees[i].gender);
                printf("年龄：%d\n", employees[i].age);
                printf("学历：%s\n", employees[i].education);
                printf("工资：%.2f\n", employees[i].salary);
                printf("住址：%s\n", employees[i].address);
                printf("电话：%s\n", employees[i].phone);
                printf("--\n");
            }
        }
    } else {
        printf("输入有误！\n");
    }
}

// 删除职工信息函数
void delete(Employee *employees, int *count) {
    int id;
    printf("请输入要删除的职工号：");
    scanf("%d", &id);
    
    int index = -1;
    for (int i = 0; i < *count; i++) {
        if (employees[i].id == id) {
            index = i;
            break;
        }
    }
    
    if (index != -1) {
        for (int i = index; i < *count - 1; i++) {
            employees[i] = employees[i + 1];
        }
        (*count)--;
        printf("删除成功！\n");
    } else {
        printf("未找到该职工号！\n");
    }
}

// 修改职工信息函数
void modify(Employee *employees, int count) {
    int id;
    printf("请输入要修改的职工号：");
    scanf("%d", &id);
    
    int index = -1;
    for (int i = 0; i < count; i++) {
        if (employees[i].id == id) {
            index = i;
            break;
        }
    }
    
    if (index != -1) {
        printf("请输入新的职工信息：\n");
        printf("姓名：");
        scanf("%s", employees[index].name);
        printf("性别：");
        scanf("%s", employees[index].gender);
        printf("年龄：");
        scanf("%d", &(employees[index].age));
        printf("学历：");
        scanf("%s", employees[index].education);
        printf("工资：");
        scanf("%f", &(employees[index].salary));
        printf("住址：");
        scanf("%s", employees[index].address);
        printf("电话：");
        scanf("%s", employees[index].phone);
        
        printf("修改成功！\n");
    } else {
        printf("未找到该职工号！\n");
    }
}

int main() {
    Employee employees[MAX_SIZE];
    int count = 0;
    int choice;
    
    while (1) {
        menu();
        printf("请输入选项：");
        scanf("%d", &choice);
        
        switch (choice) {
            case 1:
                input(employees, &count);
                break;
            case 2:
                browse(employees, count);
                break;
            case 3:
                query(employees, count);
                break;
            case 4:
                delete(employees, &count);
                break;
            case 5:
                modify(employees, count);
                break;
            case 0:
                printf("退出系统！\n");
                exit(0);
            default:
                printf("输入有误！\n");
                break;
        }
    }
    
    return 0;
}