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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <conio.h>
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#define N 2
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struct student
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{
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char name[10];
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char no[100];
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int sex;
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int age;
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char bnote[100];
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};
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void print(bool menu)//打印基本信息
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{
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if (!menu)
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{
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printf(" \t \t \t (欢迎使用本班级档案管理系统)\t\t\t\t\n");
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printf("★*★*★*★*★*★*★*★*★*★ 欢迎进入我们的系统 ★*★*★*★*★*★*★*★*★*★\n\n");
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printf("男:1,女:2\n");
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printf("学生基本信息录入 ,press 1\n");
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}
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else
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{
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printf("学生基本信息显示 ,press 2\n");
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printf("学生基本信息保存 ,press 3\n");
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printf("学生基本信息删除 ,press 4\n");
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printf("学生基本信息修改 ,press 5\n");
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printf("学生基本信息查询 ,press 6\n");
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}
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printf("退出学生信息系统 ,press 7\n");
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}
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bool Check(char pas[6])//密码验证
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{
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FILE *fp;
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char ch;
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char a[7]={" "};
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int i = 0;
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if ((fp=fopen("D:\\1.txt","r"))==NULL)
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{
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printf("打开文件失败!\n");
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exit(0);
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}
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ch=fgetc(fp);
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while (ch!=EOF&&i<6)
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{
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a[i] = ch;
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ch=fgetc(fp);
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i++;
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}
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a[6] = '\0';
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if (!strcmp(pas,a))
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{
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return true;
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}
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else
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{
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printf("密码错误\n");
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return false;
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}
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fclose(fp);
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}
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void GetInfo(struct student *arr,int n)//学生基本信息录入
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{
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FILE *fp;
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fp=fopen("D:\\student.txt","w");
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for (int i = 0;i<n;i++)
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{
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printf("请输入学生的姓名:");
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scanf("%s",arr[i].name);
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printf("请输入学生的学号:");
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scanf("%s",&arr[i].no);
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printf("请输入学生的性别:");
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scanf("%d",&arr[i].sex);
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printf("请输入学生的年龄:");
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scanf("%d",&arr[i].age);
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printf("备注:");
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scanf("%s",&arr[i].bnote);
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}
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for(int i=0;i<2;i++)
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{
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fprintf(fp,"%12s%12s%12d%12d%12s\n",arr[i].name,arr[i].no,arr[i].sex,arr[i].age,arr[i].bnote);
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}
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fclose(fp);
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}
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void Display(struct student* arr,int n)//学生基本信息显示
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{
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FILE *fp;
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fp=fopen("D:\\student.txt","r");
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printf("学生信息: 名字 学号 性别(1男/2女) 年龄 备注\n");
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for (int i = 0;i<n;i++)
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{
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fscanf(fp,"%12s%12s%12d%12d%12s\n",&arr[i].name,&arr[i].no,&arr[i].sex,&arr[i].age,&arr[i].bnote);
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printf("%12s%12s%12d%12d%12s\n",arr[i].name,arr[i].no,arr[i].sex,arr[i].age,arr[i].bnote);
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}
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fclose(fp);
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}
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void Save(struct student* arr,int n)//学生基本信息保存，保存在c:\\student.txt
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{
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FILE *fp;
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fp= fopen("D:\\student.txt","w+");
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if (fp == NULL)
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{
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printf("文件不存在!\n");
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exit(0);
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}
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for(int i=0;i<2;i++)
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{
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fprintf(fp,"%12s%12s%12d%12d%12s\n",arr[i].name,arr[i].no,arr[i].sex,arr[i].age,arr[i].bnote);
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}
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fclose(fp);
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}
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void Modfiy(struct student* arr,int n)//学生基本信息修改
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{
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char number[100];
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bool flag=false;
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char pass[6];
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printf("请输入密码:\n");
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scanf("%s",pass);
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if (Check(pass))
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{
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printf("修改学生信息:\n");
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printf("请输入学号:\n");
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scanf("%s",number);
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for (int i =0;i<n;i++)
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{
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if (!strcmp(number,arr[i].no))
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{
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printf("infor: name no sex age note\n");
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printf("please input information:\n");
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printf("请输入学生的姓名:");
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scanf("%s",&arr[i].name);
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printf("请输入学生的学号:");
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scanf("%s",&arr[i].no);
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printf("请输入学生的性别:");
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scanf("%d",&arr[i].sex);
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printf("请输入学生的年龄:");
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scanf("%d",&arr[i].age);
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printf("备注:");
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scanf("%s",&arr[i].bnote);
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Save(arr,n);
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flag = true;
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}
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}
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if (flag == false)
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{
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printf("该学生不存在!:\n");
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}
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}
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}
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void Delete(struct student* arr,int n)//学生基本信息删除
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{
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char number[100];
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bool flag=false;
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printf("Delete information:\n");
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printf("请输入学号:\n");
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scanf("%s",number);
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for (int i =0;i<n;i++)
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{
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if (!strcmp(number,arr[i].no))
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{
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strcpy(arr[i].name," ");
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strcpy(arr[i].no," ");
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strcpy(arr[i].bnote," ");
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arr[i].sex = ' ';
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arr[i].age =0;
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Save(arr,n);
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flag = true;
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}
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}
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if (flag == false)
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{
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printf("该学生不存在!:\n");
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}
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}
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void Search(struct student* arr,int n)//学生基本信息查询
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{
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int temp,i;
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bool flag=false;
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printf("--------------通过学号查询,press 1-------------\n");
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printf("---------------通过姓名查询,press 2-----------\n");
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printf("---------------通过性别查询,press 3------------\n");
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printf("---------------通过年龄查询,press 4------------\n");
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printf("---------------退出,press 5 ------------\n");
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scanf("%d",&temp);
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switch (temp)
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{
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case 1://按照学号查询
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{
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char num[100];
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printf("请输入学号:\n");
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scanf("%s",num);
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for ( i =0;i<n;i++)
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{
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if (!strcmp(num,arr[i].no))
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{
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printf("%12s%12s%12c%12d%12s\n",arr[i].name,arr[i].no,
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arr[i].sex,arr[i].age,arr[i].bnote);
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flag = true;
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}
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}
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if (!flag)
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{
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printf("该学生不存在.\n");
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}
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}
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break;
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case 2://按照名字查询
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{
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char num[10];
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printf("please input name:\n");
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scanf("%s",num);
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for ( i =0;i<n;i++)
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{
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if (!strcmp(num,arr[i].name))
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{
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printf("%-12s%-12s%-12c%-12d%-12s",arr[i].name,arr[i].no,arr[i].sex,arr[i].age,arr[i].bnote);
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flag = true;
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}
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}
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if (!flag)
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{
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printf("该学生不存在.\n");
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}
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}
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break;
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case 3://按照性别查询
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{
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char ch;
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printf("请输入性别:\n");
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//scanf("%c",&ch);
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ch = getch();
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for ( i =0;i<n;i++)
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{
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if (ch == arr[i].sex)
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{
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printf("%12s%12s%12c%12d%12s\n",arr[i].name,arr[i].no,
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arr[i].sex,arr[i].age,arr[i].bnote);
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flag = true;
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}
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}
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if (!flag)
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{
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printf("t该学生不存在.\n");
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}
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}
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break;
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case 4://按照年龄查询
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{
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char num_age;
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printf("请输入年龄:\n");
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scanf("%d",&num_age);
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for ( i =0;i<n;i++)
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{
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if (num_age == arr[i].age)
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{
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printf("%12s%12s%12c%12d%12s\n",arr[i].name,arr[i].no,
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arr[i].sex,arr[i].age,arr[i].bnote);
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flag = true;
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}
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}
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if (!flag)
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{
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printf("该学生不存在.\n");
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}
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}
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break;
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default:
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break;
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}
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}
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int main()
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{
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struct student arr[N];
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char ps[6];
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bool flag =false;
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printf("请输入密码:\n");
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scanf("%s",ps);
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flag = Check(ps);
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if (flag)
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{
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int select;
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print(false);
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scanf("%d",&select);
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while (0<select && select <7 )
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{
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switch (select)
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{
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case 1:
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GetInfo(arr,N);
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print(true);
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break;
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case 2:
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Display(arr,N);
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print(true);
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break;
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case 3:
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Save(arr,N);
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print(true);
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break;
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case 4:
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Delete(arr,N);
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print(true);
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break;
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case 5:
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Modfiy(arr,N);
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print(true);
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break;
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case 6:
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Search(arr,N);
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print(true);
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break;
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default:
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break;
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}
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printf("请选择:\n");
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scanf("%d",&select);
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}
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}
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}
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