学生管理系统.c

#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
using namespace std; struct Student
{
char Number[];
char Name[];
char Sex[];
char Post[];
char MainPhone[];
char OtherPhone[];
char Mail[];
struct Student* Next;
}; int NodeNumber = ;//统计个数
char MESSAGE[] = { '\0' };//保存文件名字，用来判断是否重复输入
struct Student *top = NULL, *rear = NULL; void Choice();
void WriteMessage();
void AddStudent();
void Amend();
void Delete();
void Save();
void PrintOne();
void PrintClass();
void PrintPosition();
void PrintALL();
void PrintSame(); int main(){
Choice();
int num;
printf("请输入功能选项：");
while (scanf("%d", &num))
{
switch (num)
{
case :system("CLS");
WriteMessage();
break;
case :system("CLS");
AddStudent();
break;
case :system("CLS");
Amend();
break;
case :system("CLS");
Delete();
break;
case :system("CLS");
Save();
break;
case :system("CLS");
PrintOne();
break;
case :system("CLS");
PrintClass();
break;
case :system("CLS");
PrintPosition();
break;
case :system("CLS");
PrintALL();
break;
case :system("CLS");
PrintSame();
break;
default:system("CLS");
printf("输入错误！\n");
system("PAUSE");
system("CLS");
Choice();
break;
}
printf("请输入功能选项：");
}
return ;
} //界面选项
void Choice()
{
printf("\t※※※※※※※※※※※欢迎进入通讯录管理系统※※※※※※※※※※※\n");
printf("\t※ ※\n");
printf("\t※ 系统功能说明： ※\n");
printf("\t※ ※\n");
printf("\t※ 1.从文件中录入多位同学的相关信息； ※\n");
printf("\t※ 2.增加1位新同学的相关信息； ※\n");
printf("\t※ 3.修改1位同学的相关信息； ※\n");
printf("\t※ 4.删除1位同学的所有信息； ※\n");
printf("\t※ 5.将当前系统中的所有信息保存到文件中； ※\n");
printf("\t※ 6.打印某位同学（按照姓名或手机号查找）的所有相关信息 ※\n");
printf("\t※ 7.打印某班同学的所有相关信息（可选）； ※\n");
printf("\t※ 8.输出所有班级干部的相关信息； ※\n");
printf("\t※ 9.按照学号顺序打印系统中所有同学的信息； ※\n");
printf("\t※ 10.打印所有包含相同手机号的同学信息； ※\n");
printf("\t※ ※\n");
printf("\t※ ---------退出系统请输入exit--------- ※\n");
printf("\t※ ※\n");
printf("\t※※※※※※※※※※※※※谢谢使用※※※※※※※※※※※※※※※※\n");
printf("\n");
} //输出一个学生信息
void Out(struct Student *t)
{
printf("\t学 号：%-13s姓 名：%-13s\n", t->Number, t->Name);
printf("\t性 别：%-13s职 务：%-13s\n", t->Sex, t->Post);
printf("\t手机号：%-13s其它号：%-13s\n", t->MainPhone, t->OtherPhone);
printf("\t邮 箱：%s\n", t->Mail);
printf("\t------------------------------------------\n");
printf("\n"); } //插入链表
void inrear(struct Student *p) //构建链表（队列）
{
if (top == NULL)
{
top = p;
rear = p;
} else
{
rear->Next = p;
rear = p;
}
NodeNumber++;//节点数加一
} //对学号排序
void Sort(){
struct Student *p, *q, *r, *s; //q指向p的前元素，r指向p的后元素
bool flag = true;
s = (struct Student *)malloc(sizeof(struct Student)); //哨兵变量
s->Next = top;
top = s;
p = top->Next;
q = s;
while (flag&&p != NULL)
{
flag = false;
while (p->Next != NULL) //用p从头扫到尾
{
r = p->Next; //r指向p后
if (strcmp(p->Number, r->Number) == )
{
q->Next = r;
p->Next = r->Next;
r->Next = p;
q = r;
flag = true;
}
else
{ // q，p向后移位
q = p;
p = p->Next;
}
}
q = s;//q，p重新到第一个元素
p = top->Next;
}
top = top->Next;//释放哨兵变量
free(s);
} //检查学生是否重复
bool Check(struct Student *t)
{
struct Student *p = top;
while (p != NULL)
{
if (strcmp(p->Number, t->Number) == || strcmp(p->Name, t->Name) == )
return false;
p = p->Next;
}
return true;
} //从文件中读入信息
void WriteMessage()
{
FILE *f;
char str[] = { '\0' };
printf("请输入文件名称:");
scanf("%s", str);
//比较文件名字是否重复
if (strcmp(MESSAGE, str) == )
{
printf("错误，多次输入同一文件！\n");
printf("是否重新输入（Y or N）\n");
char ch = getchar();
ch = getchar();
if (ch == 'Y' || ch == 'y')
{
system("CLS");
WriteMessage();
}
else
{
system("PAUSE");
system("CLS");
Choice();
}
}
else
{
strcpy(MESSAGE, str);
f = fopen(str, "r");
if (!f)
{
printf("文件打开失败！即将创立新的%s文件", str);
f = fopen(str, "w");
}
else
{
while (!feof(f))
{
struct Student *p = (struct Student *)malloc(sizeof(struct Student));
p->Next = NULL;
fscanf(f, "%s", &p->Number);
fscanf(f, "%s", &p->Name);
fscanf(f, "%s", &p->Sex);
fscanf(f, "%s", &p->Post);
fscanf(f, "%s", &p->MainPhone);
fscanf(f, "%s", &p->OtherPhone);
fscanf(f, "%s", &p->Mail);
if (Check(p))
inrear(p);
}
printf("文件已成功写入！\n");
printf("学生数为: %d\n", NodeNumber);
system("PAUSE");
system("CLS");
Choice();
}
fclose(f);
}
} //增加学生
void AddStudent(){
struct Student *p = (struct Student *)malloc(sizeof(struct Student));
p->Next = NULL;
printf("\n请输入学号:");
scanf("%s", &p->Number);
while (p->Number[] != '' || p->Number[] != '')
{
printf("你输入的学号是不是不对呢，请重新输入");
scanf("%s", &p->Number);
if (strlen(p->Number) != )
{
printf("你输入的学号是不是不对呢，请重新输入");
scanf("%s", &p->Number);
}
}
while (strlen(p->Number) != )
{
printf("你输入的学号是不是不对呢，请重新输入");
scanf("%s", &p->Number);
if (p->Number[] != '' || p->Number[] != '')
{
printf("你输入的学号是不是不对呢，请重新输入");
scanf("%s", &p->Number);
}
}
printf("\n请输入姓名:");
scanf("%s", &p->Name);
for (int T = ; T<; T++)
for (int i = ; i<strlen(p->Name); i++)
while (p->Name[i] == char(T))
{
printf("你输入的名字格式有误，请重新输入");
scanf("%s", &p->Name);
}
printf("\n请输入性别:");
scanf("%s", &p->Sex);
while (strcmp(p->Sex, "男") != && strcmp(p->Sex, "女") != && strcmp(p->Sex, "不详") != ){
printf("你输入的性别格式有错误请重新输入");
printf("\n");
scanf("%s", &p->Sex);
}
printf("\n请输入职务:");
scanf("%s", &p->Post);
while (strcmp(p->Post, "班长") != && strcmp(p->Post, "学委") != && strcmp(p->Post, "体育委员") != && strcmp(p->Post, "文艺委员") != ){
printf("你输入的职务有错误请重新输入");
printf("\n");
scanf("%s", &p->Post);
}
printf("\n请输入主要手机号:");
scanf("%s", &p->MainPhone);
while (strlen(p->MainPhone) != )
{
printf("你输入的主手机号格式有误哦，请重新输入");
scanf("%s", &p->MainPhone);
}
for (int i = ; i<strlen(p->MainPhone); i++)
while (p->MainPhone[i] != char() && p->MainPhone[i] != char() && p->MainPhone[i] != char() && p->MainPhone[i] != char() && p->MainPhone[i] != char() && p->MainPhone[i] != char() && p->MainPhone[i] != char() && p->MainPhone[i] != char() && p->MainPhone[i] != char() && p->MainPhone[i] != char())
{
printf("你输入的主手机号格式有误哦，请重新输入");
scanf("%s", &p->MainPhone);
}
printf("\n请输入其他手机号:");
scanf("%s", &p->OtherPhone);
while (strlen(p->OtherPhone) != )
{
printf("你输入的副手机号格式有问题哦，请重新输入");
scanf("%s", &p->OtherPhone);
}
while (strcmp(p->MainPhone, p->OtherPhone) == )
printf("你输入的主手机号和副手机号相同");
printf("\n请输入邮箱:");
scanf("%s", &p->Mail);
int j = ;
for (int L = ; L<strlen(p->Mail); L++){
if (p->Mail[L] == '@')
j++;
} if (j != )
{
printf("你输入的邮箱名是不是错了呢,请重新输入邮箱名");
scanf("%s", &p->Mail);
} if (Check(p))
inrear(p);
printf("已成功存储！");
system("PAUSE");
system("CLS");
Choice();
}; //修改信息
void Amend(){
printf("\n请输入要修改的同学的学号或姓名：");
char str[];
scanf("%s", str);
struct Student *p = top;
while (p != NULL)
{
if ((strcmp(str, p->Number) == ) || (strcmp(str, p->Name) == ))
break;
else
p = p->Next;
}
if (p != NULL)
{
printf("\n请选择要修改的信息：\n\n");
printf("1.学号 2.姓名 3.性别 4.主要电话号码 5.其它电话号码 6.邮箱\n\n");
int n;
scanf("%d", &n);
while (n>)
{
switch (n)
{
case :printf("请输入新的学号：");
char NewNumber[];
scanf("%s", NewNumber);
strcpy(p->Number, NewNumber);
printf("已成功修改！\n");
break;
case :printf("请输入新的姓名：");
char NewName[];
scanf("%s", NewName);
strcpy(p->Name, NewName);
printf("已成功修改！\n");
break;
case :printf("请输入新的性别：");
char NewSex[];
scanf("%s", NewSex);
strcpy(p->Sex, NewSex);
printf("已成功修改！\n");
break;
case :printf("请输入新的主要手机号码：");
char NewMainPhone[];
scanf("%s", NewMainPhone);
strcpy(p->MainPhone, NewMainPhone);
printf("已成功修改！\n");
break;
case :printf("请输入新的其它手机号码：");
char NewOtherPhone[];
scanf("%s", NewOtherPhone);
strcpy(p->OtherPhone, NewOtherPhone);
printf("已成功修改！\n");
break;
case :printf("请输入新的邮箱：");
char NewMail[];
scanf("%s", NewMail);
strcpy(p->Mail, NewMail);
printf("已成功修改！\n");
break;
default:printf("输入错误！\n");
break;
}
printf("\n请输入修改选项或输入0退出修改！\n");
scanf("%d", &n);
}
system("PAUSE");
system("CLS");
Choice();
}
else
{
printf("该系统中无此学生，是否添加（Y or N）\n");
char ch = getchar();//滤去回车
ch = getchar();
if (ch == 'Y' || ch == 'y')
AddStudent();
if (ch == 'N' || ch == 'n')
{
system("PAUSE");
system("CLS");
Choice();
}
}
}; //删除学生
void Delete(){
printf("\n请输入要删除的学生的学号或姓名：");
char str[];
scanf("%s", str);
struct Student *s = (struct Student *)malloc(sizeof(struct Student)), *p, *q;
s->Next = top;
top = s;
q = s;
p = q->Next;
while (p != NULL)
{
if ((strcmp(str, p->Number) == ) || (strcmp(str, p->Name) == ))
{
q->Next = p->Next;
p = p->Next;
}
else
{
q = q->Next;
p = p->Next;
}
}
top = top->Next;
free(s);
NodeNumber--;//节点数减一 printf("\n是否继续删除（Y or N）\n\n");
char ch = getchar();//滤去回车
ch = getchar();
if (ch == 'Y' || ch == 'y')
Delete();
if (ch == 'N' || ch == 'n')
{
system("PAUSE");
system("CLS");
Choice();
}
}; //保存信息到文件
void Save(){
FILE *out;
out = fopen("PresentMessage.txt", "w");
struct Student *p = top;
while (p != NULL)
{
fprintf(out, "%s %s %s %s %s %s\n", p->Number, p->Name, p->Sex, p->MainPhone, p->OtherPhone, p->Mail);
p = p->Next;
}
fclose(out);
printf("数据已成功导入文件PresentMessage.txt！\n");
system("PAUSE");
system("CLS");
Choice();
}; //打印指定学生
void PrintOne(){
printf("请输入要打印的同学的姓名或手机号：");
bool flag = false;
char str[];
scanf("%s", str);
struct Student *p = top;
while (p != NULL)
{
if ((strcmp(str, p->MainPhone) == ) || (strcmp(str, p->OtherPhone) == ) || (strcmp(str, p->Name) == ))
{
flag = true;
Out(p);
p = p->Next;
}
else
p = p->Next;
}
if (!flag)
printf("该系统中无此学生或输入错误！\n");
system("PAUSE");
system("CLS");
Choice(); }; //打印指定班级
void PrintClass(){
bool flag = false;
Sort();
printf("请输入班级(阿拉伯数字)：");
int num;
scanf("%d", &num);
char ch[];
ch[] = char(num % + );
ch[] = char(num / + );
struct Student *p = top;
while (p != NULL)
{
if (p->Number[] == ch[] && p->Number[] == ch[]){
Out(p);
flag = true;
}
p = p->Next;
}
if (!flag)
printf("该系统中无此班级的学生！\n");
system("PAUSE");
system("CLS");
Choice();
}; //打印指定职务
void PrintPosition(){
bool flag;
printf("请输入要打印的职务：");
char str[];
scanf("%s", str);
struct Student *p = top;
while (p != NULL)
{
if ((strcmp(str, p->Post) == ))
{
flag = true;
Out(p);
p = p->Next;
}
else
p = p->Next;
}
if (!flag)
printf("该系统中无此职务学生或输入错误！\n");
system("PAUSE");
system("CLS");
Choice(); }; //打印所有学生
void PrintALL(){
Sort();
struct Student* p = top;
printf("\t系统中共有%d个学生\n\n", NodeNumber);
if (p == NULL)
printf("文件中没有学生信息!\n");
else
{
while (p != NULL)
{
Out(p);
p = p->Next;
}
}
system("PAUSE");
system("CLS");
Choice();
}; //打印含有相同手机号的学生
void PrintSame(){
int n = , m = ;//n用来统计p,m用来统计q
bool flag = true;//flag判断当前节点
bool *Handle = (bool *)malloc(NodeNumber + );//用bool型的数组关联链表，true代表相同的
for (int i = ; i<NodeNumber; i++)
Handle[i] = true;
struct Student *q = top, *p;
if (q == NULL)
{
printf("系统中无学生信息！\n");
system("PAUSE");
system("CLS");
Choice();
}
else
{
p = q->Next;
while (q->Next != NULL)
{
while (p != NULL)
{
if ((strcmp(q->MainPhone, p->MainPhone) == ) || (strcmp(q->OtherPhone, p->OtherPhone) == ) || (strcmp(q->MainPhone, p->OtherPhone) == ) || (strcmp(q->OtherPhone, p->MainPhone) == ))
{
//用flag控制当前节点的输出
if (flag)
{
Out(q);
Out(p);
flag = false;
Handle[n++] = false;
}
else
{
Out(p);
Handle[n++] = false;
}
}
else
n++;
p = p->Next;
}
m++;
q = q->Next;
flag = true;
//判断当前节点是否可访问
while (Handle[m] == false)
{
q = q->Next;
if (q->Next == NULL)
break;
m++;
}
n = m + ;
p = q->Next;
}
}
system("PAUSE");
system("CLS");
Choice();
};