student程序设计源码

printf("\t\t\t+ [0]----退出系统 |\n");
printf("\t\t\t+*·*·*·*·*·*·*·*·*·*·|\n");
printf("\t\t\t--------------------------------\n");
printf("请输入您的选择：");
{ printf("Too long!\nTry again: ");
scanf("%s",p->E_mail);
}
head=insert_stu(head,p);
}
break;
}
case 5://删除
del();
void del();//删除学生信息
void change();//修改学生信息
void devise(struct student *p);
int main()
{
char userName[9];
char userPWD[7];
int i;
welcome();
void mainmenu();//系统主菜单
void record();//录入学生信息
void insert(struct student *stu);
void display(struct student *stu);//显示指定学生信息
void query();//查询学生信息
void query_by_num();//通过学号查询
scanf("%s",p->sex);
}
printf("新生出生年月(写成'year-month-day'的形式): ");
scanf("%d-%d-%d",&year,&month,&day);
while((month<1||month>12)||(day<1||day>31))
break;
case 2:
//遍历
if (head==NULL) printf("No record!");
else print_stu(head);
break;
case 3://查询
scanf("%s",p->address);
}
printf("新生电话: ");
scanf("%ld",&p->tele_num);
printf("新生 E-mail: ");
scanf("%s",p->E_mail);
while(strlen(p->E_mail)>MAXLEN)
printf("\n温馨提示：为保证您的操作得到保存，请按正常顺序退出系统^_^\n");
do
{
printf("\n\n\n");
printf("\t\t\t--------------------------------\n");
printf("\t\t\t+ 学生信息管理系统 |\n");
{ printf("输入错误!\n请重新输入: ");
scanf("%d-%d-%d",&year,&month,&day);
}
{
char y[5],m[3],d[3];
itoa(year,y,10);
itoa(month,m,10);
for(i = 0; i < 3; i++)
{
printf("\n管理员初始用户名和密码均为mima\n");
printf("请输入您的用户名:");
scanf("%s", userName);
printf("\n请输入您的密码:");
scanf("%s", userPWD);
if ((strcmp(userName,"mima")==0) && (strcmp(userPWD,"mima")==0))
{
//用户名和密码正确，显示主菜单
struct student *insert_stu(struct student *head,struct student *new_stu);//插入学生信息
void print_stu(struct student *head);//*浏览学生信息
void welcome();//显示欢迎信息
break;
case 6://修改
change();
break;
default:
printf("\n无效选项!");
printf("\t\t\t+ [3]----查询学生信息 |\n");
printf("\t\t\t+ [4]----插入学生信息 |\n");
printf("\t\t\t+ [5]----删除学生信息 |\n");
printf("\t\t\t+ [6]----修改学生信息 |\n");
mainmenu();
break;
}
else
{
if (i < 2)
{
//用户名或密码错误，提示用户重新输入
printf("用户名或密码错误，请重新输入!");
strcat(p->birthday,d);
}
printf("新生地址: ");
scanf("%s",p->address);
while(strlen(p->address)>MAXLEN)
{ printf("Too long!\nTry again: ");
}
printf("新生性别: 'F' or 'M': ");
scanf("%s",p->sex);
while(strcmp(p->sex,"F")!=0&&strcmp(p->sex,"M")!=0)
{ printf("输入错误!\n请重新输入: ");
scanf("%s",p->name);
}
printf("新生年龄: ");
scanf("%d",&p->age);
while(p->age<=0)
{ printf("Wrong!\nTry again: ");
scanf("%d",p->age);
printf("\t\t\t--------------------------------\n");
printf("\t\t\t+ [1]----录入学生信息 |\n");
printf("\t\t\t+ [2]----浏览学生信息 |\n");
#include <stdio.h>
#include<stdlib.h>
#include <string.h>
#define NULL 0
#define LEN sizeof(struct student)
#define FILE_DATA_PATH "d://student.txt"/*在D盘建立名为student的文本文档，宏定义*/
query();
break;
case 4://插入
{
p=(struct student *)malloc(sizeof(struct student));
if(p==NULL)
printf("No space available.Please select again.\n");
}
retlcome()
{
printf("+---------------------------+\n");
printf("| |\n");
printf("| 欢迎使用学生信息管理系统 |\n");
else
{printf("新生学号: ");
scanf("%ld",&p->num);
printf("新生姓名: ");
scanf("%s",p->name);
while(strlen(p->name)>MAXLEN)
{ printf("Too long!\nTry again: ");
itoa(day,d,10);
p->birthday[0]='\0';
strcat(p->birthday,y);