c语言选课系统作用,C语言实现学生选课系统

本文实例为大家分享了C语言实现学生选课系统的具体代码，供大家参考，具体内容如下

代码：

#include

#include

#include

#include

typedef unsigned char uint8_t;

typedef unsigned short uint16_t;

typedef unsigned int uint32_t;

#define CLASS_CLS system("cls")

#define CLASS_NAME 80

typedef struct class

{

char name[CLASS_NAME]; /* 课程名称 -- 唯一性 */

uint32_t nature; /* 课程性质(必修或者选修) */

uint32_t total_period; /* 课程总学时 */

uint32_t teach_period; /* 授课学时 */

uint32_t exper_period; /* 上机学时 */

uint32_t start_time; /* 课程开始时间 */

uint8_t score; /* 课程学分 */

uint8_t is_exsit; /* 课程是否存在 */

struct class *next;

} class_t; // 课程结构体

class_t *head = NULL;

static uint32_t count = 1;

void play(char *text, int display, int time, int nu) //动画打印

{

CLASS_CLS;

int i, len;

for(i = 0; i <= nu; i++)

{

printf("\n");

}

for(i = 0; i < 25; i++)

{

printf(" ");

}

len = strlen(text);

for(i = 0; i < len; i++)

{

printf("%c", text[i]);

Sleep(display);

}

Sleep(time);

}

void titile(char *text, char *str)

{

CLASS_CLS;

uint8_t i;

for(i = 0; i < 25; i++)

{

printf(" ");

}

printf("%s\n", text);

for(i = 0; i <= 60; i++)

{

printf("%s", str);

}

printf("\n");

}

void menu(void)

{

titile("【学生选课系统】", "-");

printf("\n\t|-----------------------------------|");

printf("\n\t| [1]--增加课程 |");

printf("\n\t| [2]--浏览课程 |");

printf("\n\t| [3]--查询课程 |");

printf("\n\t| [4]--删除课程 |");

printf("\n\t| [5]--修改课程 |");

printf("\n\t| [Q]--退出系统 |");

printf("\n\t|-----------------------------------|");

}

void get_bat_data(void)

{

class_t *point, *q;

uint32_t count = 0;

FILE *fp = fopen("c:\\student_elective.dat", "rb");

rewind(fp);

point = (class_t *)malloc(sizeof(class_t));

head = point;

while(!feof(fp))

{

count++;

fread(point, sizeof(class_t), 1, fp);

point->next = (class_t *)malloc(sizeof(class_t));

q = point;

point = point->next;

}

q->next = NULL;

fclose(fp);

}

void save_bat_data(void)

{

class_t *point = head;

FILE *fp = fopen("c:\\student_elective.dat", "w+");

while(NULL != point)

{

count++;

fwrite(point, sizeof(class_t), 1, fp);

point = point->next;

}

fclose(fp);

}

uint32_t num_check(void)

{

char ch;

uint32_t sum = 0;

while(1)

{

ch = getch();

if('\n' == ch || '\r' == ch)

{

return sum;

}

else if('\b' == ch)

{

sum /= 10;

printf("\b \b");

}

else if(('0' <= ch) && ('9' >= ch))

{

sum *= 10;

sum += ch - '0';

printf("%d", ch - '0');

}

}

}

void create(void)

{

class_t *point, *q;

char tmp[CLASS_NAME], ch;

uint8_t flag = 0;

while(1)

{

if(1 != count)

{

printf("是否继续增加课程(y/n):");

gets(tmp);

if(strcmp(tmp, "n") == 0)

{

break;

}

}

point = (class_t *)malloc(sizeof(class_t));

point->is_exsit = 0;

printf("\n====请输入第%d个选修课程信息====\n", count);

printf("选择课程名称：");

gets(point->name);

q = head;

while(NULL != q)

{

if(strcmp(q->name, point->name) == 0)

{

flag = 1;

printf("课程名称重复或者不合格，请重新输入...\n");

break;

}

q = q->next;

}

if(1 == flag)

{

continue;

}

printf("课程性质:");

printf("\n[B]--【必修】 [X]--【选修】");

while(1)

{

ch = getch();

if(ch == 'b' || ch == 'B')

{

point->nature = 1;

break;

}

if(ch == 'x' || ch == 'X')

{

point->nature = 2;

break;

}

}

printf("\n输入总学时：(只接受数字！)");

point->total_period = num_check();

printf("\n输入授课学时：(只接受数字！)");

point->teach_period = num_check();

printf("\n输入上机学时：(只接受数字！)");

point->exper_period = num_check();

printf("\n输入本课程学分：(只接受数字！)");

point->score = num_check();

printf("\n输入开课学期：(只接受数字！)");

point->start_time = num_check();

point->is_exsit = 1;

point->next = head;

head = point;

count++;

}

printf("信息录入完毕，按任意键继续……");

getch();

}

void display(void)

{

class_t *point = head;

CLASS_CLS;

titile("【查看课程】", "-");

printf("\n名称 \t性质\t总学时\t授课学时\t上机学时\t学分\t开课学期");

while(NULL != point)

{

if(1 == point->is_exsit)

{

printf("\n%-14s ", point->name);

if(1 == point->nature)

{

printf("必修课");

}

else

{

printf("选修课");

}

printf(" %d时 %d时 %d时 %d分 %d时", point->total_period, point->teach_period, point->exper_period, point->score, point->start_time);

}

point = point->next;

}

getch();

}

// 对照学生管理系统自行拓展

void search(void)

{

}

void modify(void)

{

}

void delete(void)

{

}

int main(void)

{

uint8_t value;

uint8_t movie = 1;

char choice[3];

FILE *fp = fopen("c:\\student_elective.dat", "a");

fclose(fp);

system("color 30");

system("mode con:cols=100 lines=35");

system("title 【选修课系统】");

if(1 == movie)

{

play("欢迎使用【选修课系统】", 80, 1500, 10);

}

while(1)

{

CLASS_CLS;

menu();

do

{

gets(choice);

value = atoi(choice);

}

while((value > 12) || (value < 0));

switch(value)

{

case 1:

create();

break;

case 2:

display();

break;

case 3:

search();

break;

case 4:

modify();

break;

case 5:

delete();

break;

case 6:

save_bat_data();

break;

case 7:

get_bat_data();

break;

case 8:

exit(1);

break;

default:

break;

}

}

return 0;

}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。