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418 lines
9.7 KiB
418 lines
9.7 KiB
#include <stdio.h>
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#include <stdlib.h>
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#include <conio.h>
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#include <string.h>
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//定义一个学生
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typedef struct
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{
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char num[12]; // 学号
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char name[20]; // 姓名
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char sex[4]; // 性别
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int age; // 年龄
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char birth[20]; // 生日
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char home[100]; // 住址
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char tel[15]; // 电话
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}student;
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//节点
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typedef struct Node
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{
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student stu;//学生信息
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struct Node* pnext;//指向下一个节点的指针
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}node;
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node* phead=NULL; //头节点（空链表）
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//录入学生信息
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void Inputstudent();
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//打印学生信息
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void Printstudent();
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//保存学生信息
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void Savestudent();
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//查找学生信息
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void Lookstudent();
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//修改学生信息
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void Modifystudent();
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//读取学生信息
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void Readstudent();
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//删除学生信息
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void Deletestudent();
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int count=0;
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int main()
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{
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while(1)
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{ system("color 2A");
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printf("\t\t\t*****************************************************************\n");
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printf("\t\t\t|\t\t欢迎使用湖南工业大学学生信息管理系统\t\t|\n");
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printf("\t\t\t*****************************************************************\n");
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printf("\t\t\t|\t\t\t请选择功能列表\t\t\t\t|\n");
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printf("\t\t\t|***************************************************************|\n");
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printf("\t\t\t|\t\t\t1.录入学生信息\t\t\t\t|\n");
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printf("\t\t\t|\t\t\t2.打印学生信息\t\t\t\t|\n");
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printf("\t\t\t|\t\t\t3.保存学生信息\t\t\t\t|\n");
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printf("\t\t\t|\t\t\t4.读取学生信息\t\t\t\t|\n");
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printf("\t\t\t|\t\t\t5.查找学生信息\t\t\t\t|\n");
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printf("\t\t\t|\t\t\t6.修改学生信息\t\t\t\t|\n");
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printf("\t\t\t|\t\t\t7.删除学生信息\t\t\t\t|\n");
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printf("\t\t\t|\t\t\t0.退出系统\t\t\t\t|\n");
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printf("\t\t\t*****************************************************************\n");
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printf("请输入：\n\n");
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char ch=getch();//从键盘输入一个字符
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switch(ch)
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{
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case '1'://录入学生信息
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Inputstudent();
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break;
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case '2'://打印学生信息
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Printstudent();
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break;
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case '3'://保存学生信息
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Savestudent();
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break;
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case '4'://读取学生信息
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Readstudent();
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break;
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case '5'://查找学生信息
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Lookstudent();
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break;
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case '6'://修改学生信息
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Modifystudent();
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break;
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case '7'://删除学生信息
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Deletestudent();
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break;
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case '0'://退出系统
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printf("ByeBye 欢迎再次使用！\n\n");
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break;
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default:
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printf("您输入有误，请重新输入！\n\n");
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break;
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}
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system("pause");
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system("cls");
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}
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return 0;
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}
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//录入学生信息
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void Inputstudent()
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{
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system("cls");
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system("color 6F");
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//创建一个节点来存储新的学生
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node* pnewnode=(node*)malloc(sizeof(node));
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pnewnode->pnext=NULL;
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//要将新节点插入到链表中
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if(phead==NULL)
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{
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phead=pnewnode;
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}
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else
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{
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pnewnode->pnext=phead;
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phead=pnewnode;
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}
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printf("\n");
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printf("请输入学生学号：\n");
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scanf("%s",pnewnode->stu.num);
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printf("请输入学生姓名：\n");
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scanf("%s",pnewnode->stu.name);
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printf("请输入学生性别：\n");
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scanf("%s",pnewnode->stu.sex);
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printf("请输入学生年龄：\n");
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scanf("%d",&pnewnode->stu.age);
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printf("请输入学生生日：\n");
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scanf("%s",pnewnode->stu.birth);
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printf("请输入学生住址：\n");
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scanf("%s",pnewnode->stu.home);
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printf("请输入学生电话：\n");
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scanf("%s",pnewnode->stu.tel);
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printf("\n录入学生信息成功!\n\n");
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}
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//打印学生信息
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void Printstudent()
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{
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system("cls");
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system("color 1A");
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printf("\t\t*****************************************************************************************\n");
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printf("\t\t|\t\t\t欢迎使用湖南工业大学学生信息管理系统\t\t\t\t|\n");
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printf("\t\t*****************************************************************************************\n");
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printf("\t\t|学号\t|姓名\t|性别\t|年龄\t|生日\t|家庭住址\t\t|本人电话\t\t|\n");
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//遍历链表
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node* p=phead;//定义一个当前节点
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while(p!=NULL)
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{
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printf("\t\t|---------------------------------------------------------------------------------------|\n");
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printf("\t\t|%s\t|%s\t|%s\t|%d\t|%s\t|%s\t\t|%s\t\t|\n",p->stu.num,p->stu.name,p->stu.sex,p->stu.age,p->stu.birth,p->stu.home,p->stu.tel);
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p=p->pnext;
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count++;
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}
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printf("\t\t*****************************************************************************************\n");
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printf("\t\t当前总人数: %d\t\t\t\n",count);
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}
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//保存学生信息
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void Savestudent()
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{
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system("cls");
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system("color 1B");
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FILE *fp;
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fp=fopen("stu.dat","w"); //打开文件
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if(fp==NULL)
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{
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printf("打开文件失败！\n\n");
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return;
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}
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//写入数据
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node* p=phead;//当前节点
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while(p!=NULL)
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{
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fwrite(&p->stu,sizeof(student),1,fp);
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p=p->pnext;
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}
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printf("\n\n数据存入成功!\n\n");
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fclose(fp);
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}
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//查找学生信息
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void Lookstudent()
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{
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system("cls");
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system("color 1B");
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char name[20];
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char num[12];
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int j=0;
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node* p=phead;//定义一个当前节点
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system("cls");
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system("color 2F");
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while(1)
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{
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printf("\t\t*****************************************************************************************\n");
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printf("\t\t|\t\t\t欢迎使用湖南工业大学学生信息管理系统\t\t\t\t|\n");
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printf("\t\t*****************************************************************************************\n");
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printf("\t\t|\t\t\t\t请选择查找方式\t\t\t\t\t\t|\n");
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printf("\t\t|***************************************************************************************|\n");
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printf("\t\t|\t\t\t\t1.按姓名查找\t\t\t\t\t\t|\n");
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printf("\t\t|\t\t\t\t2.按学号查找\t\t\t\t\t\t|\n");
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printf("\t\t|\t\t\t\t0.退出查找系统\t\t\t\t\t\t|\n");
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printf("\t\t*****************************************************************************************\n");
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printf("请输入：\n\n");
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char ch=getch();//从键盘输入一个字符
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switch(ch)
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{
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case '1':// 按姓名查找
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printf("请输入学生姓名：\n");
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scanf("%s",name);
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while(p!=NULL)
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{
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if(strcmp(p->stu.name,name)==0)
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{
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printf("\t\t*****************************************************************************************\n");
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printf("\t\t|学号\t|姓名\t|性别\t|年龄\t|生日\t|家庭住址\t\t|本人电话\t\t|\n");
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printf("\t\t|---------------------------------------------------------------------------------------|\n");
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printf("\t\t|%s\t|%s\t|%s\t|%d\t|%s\t|%s\t\t|%s\t\t|\n",p->stu.num,p->stu.name,p->stu.sex,p->stu.age,p->stu.birth,p->stu.home,p->stu.tel);
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printf("\t\t*****************************************************************************************\n");
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}
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p=p->pnext;
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j++;
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}
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break;
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case '2'://按学号查找
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printf("请输入学生学号：\n");
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scanf("%s",num);
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while(p!=NULL)
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{
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if(strcmp(p->stu.num,num)==0)
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{
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printf("\t\t*****************************************************************************************\n");
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printf("\t\t|学号\t|姓名\t|性别\t|年龄\t|生日\t|家庭住址\t\t|本人电话\t\t|\n");
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printf("\t\t|---------------------------------------------------------------------------------------|\n");
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printf("\t\t|%s\t|%s\t|%s\t|%d\t|%s\t|%s\t\t|%s\t\t|\n",p->stu.num,p->stu.name,p->stu.sex,p->stu.age,p->stu.birth,p->stu.home,p->stu.tel);
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printf("\t\t*****************************************************************************************\n");
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}
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p=p->pnext;
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j++;
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}
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break;
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case '0'://退出系统
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printf("ByeBye 欢迎再次使用！\n\n");
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break;
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default:
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printf("您输入有误，请重新输入！\n\n");
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break;
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}
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system("pause");
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system("cls");
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}
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}
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//修改学生信息
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void Modifystudent()
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{
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system("cls");
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system("color 1B");
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char name[20];
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int j=0;
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node* p=phead;//定义一个当前节点
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printf("请输入要修改的学生姓名：\n");
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scanf("%s",name);
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while(p!=NULL)
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{
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if(strcmp(p->stu.name,name)==0)
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{
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printf("\t\t*****************************************************************************************\n");
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printf("\t\t|学号\t|姓名\t|性别\t|年龄\t|生日\t|家庭住址\t\t|本人电话\t\t|\n");
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printf("\t\t|---------------------------------------------------------------------------------------|\n");
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printf("\t\t|%s\t|%s\t|%s\t|%d\t|%s\t|%s\t\t|%s\t\t|\n",p->stu.num,p->stu.name,p->stu.sex,p->stu.age,p->stu.birth,p->stu.home,p->stu.tel);
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printf("\t\t*****************************************************************************************\n");
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printf("\n请修改学生信息！\n");
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printf("请输入学生学号：\n");
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scanf("%s",p->stu.num);
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printf("请输入学生姓名：\n");
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scanf("%s",p->stu.name);
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printf("请输入学生性别：\n");
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scanf("%s",p->stu.sex);
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printf("请输入学生年龄：\n");
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scanf("%d",&p->stu.age);
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printf("请输入学生生日：\n");
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scanf("%s",p->stu.birth);
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printf("请输入学生住址：\n");
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scanf("%s",p->stu.home);
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printf("请输入学生电话：\n");
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scanf("%s",p->stu.tel);
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printf("\n修改学生信息成功！\n\n");
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system("pause");
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system("cls");
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printf("\t\t*****************************************************************************************\n");
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printf("\t\t|学号\t|姓名\t|性别\t|年龄\t|生日\t|家庭住址\t\t|本人电话\t\t|\n");
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printf("\t\t|---------------------------------------------------------------------------------------|\n");
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printf("\t\t|%s\t|%s\t|%s\t|%d\t|%s\t|%s\t\t|%s\t\t|\n",p->stu.num,p->stu.name,p->stu.sex,p->stu.age,p->stu.birth,p->stu.home,p->stu.tel);
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printf("\t\t*****************************************************************************************\n");
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}
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p=p->pnext;
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j++;
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}
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if(j==0)
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{
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printf("没有您要修改的学生信息！\n\n");
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}
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}
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//读取学生信息
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void Readstudent()
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{
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system("cls");
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system("color 0F");
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FILE *fp;
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fp=fopen("stu.dat","r");
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if(fp==NULL)
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{
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printf("打开文件失败！\n\n");
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return;
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}
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//读取数据
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node* p=phead;//当前节点
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while(p!=NULL)
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{
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fread(&p->stu,sizeof(student),1,fp);
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p=p->pnext;
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}
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printf("\n\n数据读取完毕!!!\n\n");
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fclose(fp);
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}
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//删除学生信息
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void Deletestudent()
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{
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system("cls");
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system("color 6A");
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char name[20];
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int j=0;
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node* p=phead;//定义一个当前节点
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node* p1=phead;
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printf("\n\n请输入要删除的学生姓名：\n");
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scanf("%s",name);
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while(p!=NULL)
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{
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if(strcmp(p->stu.name,name)==0)
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{
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p1->pnext=p->pnext;
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free(p);
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printf("删除学生信息成功！\n\n");
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printf("别忘记保存！\n\n");
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break;
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}
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p=p->pnext;
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}
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}
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