C语言课程设计题目六：学生信息管理系统设计
题目六：学生信息管理系统设计
学生信息包括：学号，姓名，年龄，性别，出生年月，地址，电话，E-mail等。设计学生信息管理系统，功能包括：
- 系统以菜单方式工作。
- 学生信息录入功能（学生信息用文件保存）－－输入。
- 学生信息浏览功能－－输出。
- 学生信息查询功能－－算法。
查询方式- 按学号查询
- 按姓名查询
- 学生信息的删除与修改(可选项)。
studentInformationManagement.c
#pragma once
#define _CRT_SECURE_NO_WARNINGS
#pragma warning(disable : 6031)
#include<stdio.h>
#include<stdlib.h>
#include<string.h>#define STUDENTS_FILE "students.dat"
#define MAX_STUDENTS 100typedef struct {// 你说学号会不会有英文符号呢? 本来写的int类型,身份证号都有一个X,那学号写成char// 学号不能带\0 警告 C6054 可能没有为字符串“id”添加字符串零终止符。char id[20];char name[50];int age;char gender[10];char birth[20];char address[100];char phone[20];char email[50];
}Student;// 确定Win/Linux操作系统,清屏
void clearScreen();
// 保存学生信息
void saveStudentsToFile(Student students[], int count);
// 加载学生信息(每次启动程序,加载信息)
void loadStudentsFromFile(Student students[], int* count);
// 添加学生信息
void addStudent(Student students[], int* count);
// 展示所有学生信息
void displayStudents(Student students[], int count);
// 根据学号查询学生信息
void searchStudentById(Student students[], int count);
// 根据姓名查询学生信息
void searchStudentByName(Student students[], int count);
// 根据学号删除学生信息
void deleteStudentById(Student students[], int* count);
// 修改学生信息
void modifyStudentById(Student students[], int count);studentInformationManagement.c
#include"studentInformationManagement.h"// 确定Win/Linux操作系统,清屏
void clearScreen() {
#ifdef _WIN32system("cls");
#elsesystem("clear");
#endif
}
// 保存学生信息
void saveStudentsToFile(Student students[], int count) {FILE* file = fopen(STUDENTS_FILE, "wb");if (file == NULL) {printf("无法打开文件 %s !\n", STUDENTS_FILE);return;}fwrite(students, sizeof(Student), count, file);fclose(file);
}
// 加载学生信息
void loadStudentsFromFile(Student students[], int* count) {FILE* file = fopen(STUDENTS_FILE, "rb");if (file == NULL) {printf("无法打开文件 %s!\n", STUDENTS_FILE);*count = 0;return;}// fread 返回的是 size_t 类型的值size_t temporaryCount = fread(students, sizeof(Student), MAX_STUDENTS, file);printf("读取了 %zu 条记录。\n", temporaryCount);*count = (int)temporaryCount;fclose(file);
}
// 添加学生信息
void addStudent(Student students[], int* count) {if (*count >= MAX_STUDENTS) {printf("学生信息已满，无法继续添加。\n");return;}Student newStudent;printf("请输入学号: ");scanf("%s", newStudent.id);printf("请输入姓名: ");scanf("%s", newStudent.name);printf("请输入年龄: ");scanf("%d", &newStudent.age);printf("请输入性别: ");scanf("%s", newStudent.gender);printf("请输入出生年月: ");scanf("%s", newStudent.birth);printf("请输入地址: ");scanf("%s", newStudent.address);printf("请输入电话: ");scanf("%s", newStudent.phone);printf("请输入E-mail: ");scanf("%s", newStudent.email);students[*count] = newStudent;(*count)++;saveStudentsToFile(students, *count);printf("学生信息已保存。\n");
}
// 展示所有学生信息
void displayStudents(Student students[], int count) {//clearScreen();printf("\n+-----------------------------------+\n");printf("| 学生信息列表 |\n");printf("+-----------------------------------+\n");printf("| 学号 | 姓名 | 年龄 | 性别 | 出生年月 | 地址 | 电话 | E-mail |\n");printf("+-----------------------------------+\n");for (int i = 0; i < count; i++) {printf("| %-6s | %-6s | %-3d | %-6s | %-10s | %-10s | %-10s | %-10s |\n",students[i].id, students[i].name, students[i].age, students[i].gender,students[i].birth, students[i].address, students[i].phone, students[i].email);}printf("+-----------------------------------+\n");
}
// 根据学号查询学生信息
void searchStudentById(Student students[], int count) {char id[20];printf("请输入要查询的学号: ");scanf("%s", id);int found = 0;for (int i = 0; i < count; i++) {if (strcmp(students[i].id, id) == 0) {printf("\n找到的学生信息:\n");printf("学号: %s\n", students[i].id);printf("姓名: %s\n", students[i].name);printf("年龄: %d\n", students[i].age);printf("性别: %s\n", students[i].gender);printf("出生年月: %s\n", students[i].birth);printf("地址: %s\n", students[i].address);printf("电话: %s\n", students[i].phone);printf("E-mail: %s\n", students[i].email);found = 1;break;}}if (!found) {printf("未找到该学号的学生信息。\n");}
}
// 根据姓名查询学生信息
void searchStudentByName(Student students[], int count) {char name[50];printf("请输入要查询的姓名: ");scanf("%s", name);int found = 0;for (int i = 0; i < count; i++) {if (strcmp(students[i].name, name) == 0) {printf("\n找到的学生信息:\n");printf("学号: %s\n", students[i].id);printf("姓名: %s\n", students[i].name);printf("年龄: %d\n", students[i].age);printf("性别: %s\n", students[i].gender);printf("出生年月: %s\n", students[i].birth);printf("地址: %s\n", students[i].address);printf("电话: %s\n", students[i].phone);printf("E-mail: %s\n", students[i].email);found = 1;}}if (!found) {printf("未找到该姓名的学生信息。\n");}
}
// 根据学号删除学生信息
void deleteStudentById(Student students[], int* count) {char id[20];printf("请输入要删除的学号: ");scanf("%s", id);// 把要删除的学生移到最后面int found = 0;for (int i = 0; i < *count; i++) {if (strcmp(students[i].id, id) == 0) {for (int j = i; j < *count - 1; j++) {students[j] = students[j + 1];}(*count)--;saveStudentsToFile(students, *count);printf("学生信息已删除。\n");found = 1;break;}}if (!found) {printf("未找到该学号的学生信息。\n");}
}
// 修改学生信息
void modifyStudentById(Student students[], int count) {char id[20];printf("请输入要修改的学号: ");scanf("%s", id);int found = 0;for (int i = 0; i < count; i++) {if (strcmp(students[i].id, id) == 0) {printf("请选择要修改的信息:\n");printf("1. 姓名\n");printf("2. 年龄\n");printf("3. 性别\n");printf("4. 出生年月\n");printf("5. 地址\n");printf("6. 电话\n");printf("7. E-mail\n");int choice;printf("请输入选项: ");scanf("%d", &choice);switch (choice) {case 1:printf("请输入新的姓名: ");scanf("%s", students[i].name);break;case 2:printf("请输入新的年龄: ");scanf("%d", &students[i].age);break;case 3:printf("请输入新的性别: ");scanf("%s", students[i].gender);break;case 4:printf("请输入新的出生年月: ");scanf("%s", students[i].birth);break;case 5:printf("请输入新的地址: ");scanf("%s", students[i].address);break;case 6:printf("请输入新的电话: ");scanf("%s", students[i].phone);break;case 7:printf("请输入新的E-mail: ");scanf("%s", students[i].email);break;default:printf("无效的选择。\n");break;}saveStudentsToFile(students, count);printf("学生信息已修改。\n");found = 1;break;}}
}void menu() {printf("\n+-----------------------------------+\n");printf("| 学生信息管理系统 |\n");printf("+-----------------------------------+\n");printf("| 1. 添加学生信息 |\n");printf("| 2. 显示所有学生信息 |\n");printf("| 3. 按学号查询学生信息 |\n");printf("| 4. 按姓名查询学生信息 |\n");printf("| 5. 删除学生信息 |\n");printf("| 6. 修改学生信息 |\n");printf("| 7. 退出系统 |\n");printf("+-----------------------------------+\n");printf("请选择功能: ");
}
void runMenu() {Student students[MAX_STUDENTS];int count = 0;//加载学生信息loadStudentsFromFile(students, &count);int choice;do {menu();scanf("%d", &choice);switch (choice){case 1:addStudent(students, &count);break;case 2:displayStudents(students, count);break;case 3:searchStudentById(students, count);break;case 4:searchStudentByName(students, count);break;case 5:deleteStudentById(students, &count);break;case 6:modifyStudentById(students, count);break;case 7:printf("退出程序\n");break;default:printf("无效的输入,请重新输入\n");break;}// 清除输入缓冲区中的换行符getchar();// 暂停程序,等待用户按键system("pause");//clearScreen();} while (choice != 7);
}
test.c
#include"studentInformationManagement.h"
int main() {runMenu();return 0;
}