#include
#include
#include
struct student{ //学生结构体
char num[20]; //学号
char name[20]; //姓名
int age; //年龄
char sex[20]; //性别
char tel[12]; // 手机号码
char address[20]; //地址
};
struct Node{
struct student data;
struct Node* next; //数据域
};
//创建表头
struct Node* createlist(){
struct Node* headNode=(struct Node*)malloc(sizeof(struct Node)); //指针变成变量
headNode->next=NULL; //表头数据不做初始化 或者：
return headNode;
}
//创建结点
struct Node* createNode(struct student data){
struct Node* newNode=(struct Node*)malloc(sizeof(struct Node));
newNode->data=data;
newNode->next = NULL;
return newNode;
}
//插入操作
void insertNodeByHead(struct Node* headNode,struct student data){
struct Node* newNode=createNode(data);
newNode->next=headNode->next;
headNode->next=newNode;
}
//删除操作
void deleteNodeByNum(struct Node* headNode,char posNum){
struct Node posNodeFront = headNode;
struct Node* posNode = headNode->next;
if(posNode==NULL){
printf("无相关数据，无法删除！\n");
system("pause");
return;
}
else{
while(strcmp(posNode->data.num,posNum)){
posNodeFront = posNode;
posNode = posNodeFront->next;
if(posNode == NULL){
printf("未找到相关数据，无法删除！\n");
system("pause");
return;
}
}
posNodeFront->next = posNode->next;
free(posNode);
}
}
//查询操作
void findNodeByNum(struct Node* headNode,struct student data){
if(==NULL){
printf("学号输入错误，无法查找！");
system("pause");
return;
}
if()
}
//打印操作
void printlist(struct Node* headNode){
struct Node* pMove = headNode->next;
printf("\t学号\t姓名\t性别\t年龄\t电话\t地址\n");
while(pMove){
printf("%s\t%s\t%s\t%d\t%s\t%s\n",pMove->data.num,pMove->data.name,
pMove->data.sex,pMove->data.age,pMove->data.tel,pMove->data.address);
pMove = pMove->next;
}
printf("\n");
}
//链表读文件操作
void readStudentInfoFromFile(struct Node* headNode,const char *fileName){
//打开文件
FILE *read = fopen(fileName,"r");
if(read==NULL)
read=fopen(fileName,"w+");
//读文件
struct student data;
while(fscanf(read,"%s\t%s\t%s\t%d\t%s\t%s",data.num,data.name,data.sex,data.age,data.tel,data.address)!=EOF)
{
insertNodeByHead(headNode,data);
memset(&data,0,sizeof(struct student));
}
//关闭文件
fclose(read);
}
void writeStudentInfoToFile(struct Node* headNode,const char fileName){
//打开文件
FILE *write=fopen(fileName,"w");
struct Node*pMove=headNode->next;
while(pMove){
fprintf(write,"%s\t%s\t%s\t%d\t%s\t%s\n",pMove->data.num,pMove->data.name,
pMove->data.sex,pMove->data.age,pMove->data.tel,pMove->data.address);
pMove=pMove->next;
}
fclose(write);
}
void menu()
{
printf("\t\t\t 欢迎来到学生信息管理系统 \n\n");
printf("\t**********************************************************\n");
printf("\t* [1] 录入学生信息 \n");
printf("\t [2] 浏览学生信息 \n");
printf("\t [3] 删除学生信息 \n");
printf("\t [4] 查找学生信息 \n");
printf("\t [5] 修改学生信息 \n");
printf("\t [6] 退出系统 \n");
printf("\t*********************************************************\n");
printf("左边数字对应功能选择，请选1－6：");
}
struct Node* studentlist = createlist();
void keyDown(){
int userKey=0;
scanf("%d",&userKey);
struct student userData;
switch(userKey){
case 1:
printf("\t---------------录入信息---------------\n");
printf("请输入以下学生信息：\n");
printf("\t学号\t\t姓名\t\t性别\t\t年龄\t\t电话\t\t地址\n");
scanf("%s %s %s %d %s %s",userData.num,userData.name,userData.sex,&userData.age,userData.tel,userData.address);
insertNodeByHead(studentlist,userData);
break;
case 2:
printf("\t---------------浏览信息---------------\n");
printlist(studentlist);
break;
case 3:
printf("\t---------------删除信息---------------\n");
printf("请输入删除学生学号：");
scanf("%s",userData.num) ;
deleteNodeByNum(studentlist,userData.num);
break;
case 4:
printf("\t---------------查询信息---------------\n");
break;
case 5:
printf("\t---------------修改信息---------------\n");
break;
case 6:
printf("\t---------------退出系统---------------\n");
printf("正常退出，欢迎下次使用！\n");
system("pause");
exit(0);
break;
default:
printf("输入错误,请重新输入!\n");
break;
}
}
int main(){
readStudentInfoFromFile(studentlist,"studentInfo.txt");
while(1)
{
menu();
keyDown();
writeStudentInfoToFile(studentlist,"studentInfo.txt");
system("pause");
system("cls");
}
system("pause");
return 0;
}
