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#include <stdio.h>
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#include <conio.h>
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#include <string.h>
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#include <stdlib.h>
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int n=0,i;
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struct address_book
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{
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char name[20];
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int num;
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int age;
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char place[80];
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char sex;
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char clas[40];
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char department[40];
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char domain[40];
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char dowhat[20];
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}stud[200];
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void add()
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{
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char j;
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front1:
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system("cls");//清屏
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printf("\n请输入要添加的姓名:");
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scanf("%s",stud[n].name);
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printf("\n请输入要添加的学号(8位):");
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scanf("%d",&stud[n].num);
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printf("\n请输入要添加的性别(F/M):");
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scanf("\n%c",&stud[n].sex);
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printf("\n请输入要添加的年龄:");
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scanf("%d",&stud[n].age);
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printf("\n请输入要添加的班级:");
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scanf("%s",stud[n].clas);
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printf("\n请输入要添加的籍贯:");
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scanf("%s",stud[n].place);
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printf("\n请输入要添加的系别:");
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scanf("%s",stud[n].department);
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printf("\n请输入要添加的专业:");
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scanf("%s",stud[n].domain);
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printf("\n请输入学籍变化:");
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scanf("%s",stud[n].dowhat);
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getchar();
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n++;
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printf("是否继续(Y/N)?:");
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j=getchar();
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getchar();
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if(j=='y'||j=='Y') goto front1;//再次输入记录
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}
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void del()
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{
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int k=0,m,i;
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char j;
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front2:
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system("cls");//清屏
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printf("\n请输入要删除的学号:");
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scanf("%d",&m);
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getchar();
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for(i=0;i<n;i++)//查找记录
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if(m==stud[i].num)
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{
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k=1;
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break;
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}
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if(k==1)//删除记录
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{
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for(k=i;k<n-1;k++)
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stud[k]=stud[k+1];
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n--;
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printf("已删除\n\n");
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}
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else
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{
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printf("找不到要删除的记录!\n");
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printf("按回车键返回:");
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getchar();
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}
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printf("是否继续(Y/N)?:");
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j=getchar();
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getchar();
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if(j=='y'||j=='Y') goto front2;
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getchar();
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}
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void arrange()
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{
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int k,i;
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struct address_book t;
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system("cls");//清屏
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printf("学号 专业 籍贯\n");
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for(k=0;k<n-1;k++)
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for(i=0;i<n-k-1;i++)
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if(stud[i].num>stud[i+1].num)
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{
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t=stud[i];
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stud[i]=stud[i+1];
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stud[i+1]=t;
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}
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for(i=0;i<=n-1;i++)
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if(stud[i].num!=0)
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printf("%-8d %-10s %-10s\n",stud[i].num,stud[i].domain,stud[i].place);
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printf("按回车键返回!");
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getchar();
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getchar();
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}
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void change()
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{
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int k=0,m;
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char j;
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front5:
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system("cls");//清屏
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printf("\n请输入要修改记录的学号:");
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scanf("%d",&m);
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getchar();
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for(i=0;i<n;i++)//查找
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if(m==stud[i].num)
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{
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k=1;
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break;
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}
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if(k==1)
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{
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printf("\n请输入要修改的姓名:");
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scanf("%s",stud[i].name);
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printf("\n请输入要修改的学号(8位):");
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scanf("%d",&stud[i].num);
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printf("\n请输入要修改的性别(F/M):");
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scanf("%c",&stud[i].sex);
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printf("\n请输入要修改的年龄:");
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scanf("%d",&stud[i].age);
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printf("\n请输入要修改的班级:");
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scanf("%s",stud[i].clas);
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printf("\n请输入要修改的籍贯:");
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scanf("%s",stud[i].place);
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printf("\n请输入要修改的系别:");
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scanf("%s",stud[i].department);
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printf("\n请输入要修改的专业:");
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scanf("%s",stud[i].domain);
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printf("\n请输入要修改的学籍变化:");
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scanf("%s",stud[n].dowhat);
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getchar();
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}
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if(k==0)
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{
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printf("找不到要修改的记录!\n");
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printf("按回车键返回:");
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getchar();
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}
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getchar();
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printf("是否继续(Y/N)?:");
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j=getchar();
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getchar();
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if(j=='y'||j=='Y') goto front5;
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}
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void find()
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{
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int k=0,m;
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char j;
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front3:
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system("cls");//清屏
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printf("\n请输入要查找的学生的学号:");
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scanf("%d",&m);
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getchar();
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for(i=0;i<n;i++)//查找
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if(m==stud[i].num)
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{
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k=1;
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break;
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}
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if(k==1)
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{
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printf("学号 专业 籍贯\n");
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printf("%-8d %-10s %-10s\n",stud[i].num,stud[i].domain,stud[i].place);
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}
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else
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{
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printf("找不到该同学!请重新输入!按回车返回!");
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getchar();
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goto front3;
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}
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printf("是否继续(Y/N)?:");
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j=getchar();
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getchar();
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if(j=='y'||j=='Y') goto front3;
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}
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int main()
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{
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char j;
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printf("\n\n\n\n\n\n\t\t\t 欢迎使用学生学籍管理系统");
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printf("\n\n\n\t\t\t\t制作人:王淑静");
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printf("\n\n\n\t\t\t\t 2019年1月");
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printf("\n\n\n\n\n\n\n\n\n\n\n\n按回车键进入主菜单:");
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getchar();
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loop:
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system("cls");
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printf("\n");
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printf("\t\t\t\t ************\n");
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printf("\t\t\t\t ***主菜单***\n");
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printf("\t\t\t\t ************\n\n\n\n\n\n");
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printf("\t\t 1、录入学生信息2、删除学生信息\n\n");
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printf("\t\t 3、查找学生信息4、学生信息排序\n\n");
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printf("\t\t 5、修改学生信息6、保存退出系统\n\n");
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printf("\n\n\n\n\n\n\n\n\n请选择[1/2/3/4/5/6]:");
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j=getchar();
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if(j=='\n') goto loop;//返回主菜单
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switch(j)
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{
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case '1': add();goto loop;//返回主菜单
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case '2': del();goto loop;
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case '3': find();goto loop;
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case '4': arrange();goto loop;
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case '5': change();goto loop;
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case '6':
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{
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FILE *fp;
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fp=fopen("student.dat","w");
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for(i=0;i<n;i++)
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fwrite(&stud[i],sizeof(struct address_book),1,fp);
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fclose(fp);
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exit(0);
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}
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default: goto loop;
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}
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}
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