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# include<windows.h>
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#include<stdlib.h>
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#include<string.h>
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#include<stdio.h>
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#define N 100
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struct student
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{
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char no[9];
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char name[25];
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char sex[10];
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int age;
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char jiguan[25];
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char xibie[25];
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char zhuanye[25];
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int ban;
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}stu[N];
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void menu()
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{
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int choice,w1;
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void add();void find();void shanchu();void change();void tongji();
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void read();void input();
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do
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{
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puts("\t******************************");
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puts("\t* 欢迎使用学籍管理系统 *");
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puts("\t* 1 录入学生资料 *");
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puts("\t* 2查找学生资料 *");
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puts("\t* 3删除学生资料 *");
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puts("\t* 4修改学生资料 *");
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puts("\t* 5按学号或专业输出所有学生资料*");
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puts("\t* 6查看所有学生资料 *");
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puts("\t 7退出系统 *");
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puts("\t***********************************");
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printf("想选择的功能:");
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scanf("%d",&choice);
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if(choice<1||choice>8)
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{
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w1=1;printf("菜单选择错误，请重新选择\n");}
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else
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w1=0;
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}while(w1==1);
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switch(choice)
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{
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case 1:
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add();
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break;
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case 2:
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find();
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break;
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case 3:
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shanchu();
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break;
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case 4:
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change();
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break;
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case 5:
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tongji();
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break;
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case 6:
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read();
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break;
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case 7:
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break;
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default:
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exit(0);
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}
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}
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int load()
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{
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FILE *fp;
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int i;
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if((fp=fopen("result.txt","a+"))==NULL)
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{
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printf("文件打开错误");
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exit(0);
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}
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for(i=0;feof(fp);i++)
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fread(&stu[i],sizeof(struct student),1,fp);
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fclose(fp);
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return(i-1);
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}
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//********保存函数
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void save(int n)
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{
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int i;
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FILE*fp;
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if((fp=fopen("results.txt","a+"))=NULL)
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{
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printf("文件打开错误");
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}
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for(i=0;i<n;i++)
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fwrite(&stu[i],sizeof(struct student),1,fp);
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fclose(fp);
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}
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void read()
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{
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int n,m,k;
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n=load();
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printf("输入你录入了多少学生信息");
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scanf("%d",&k);
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printf("学号\t姓名\t性别\t年龄\t籍贯\t系别\t专业\t班级\t");
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for(m=0;m<k;m++)
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{
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printf("\n%s",stu[m].no);
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printf("\t%s",stu[m].name);
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printf("\t%s",stu[m].sex);
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printf("\t%d",stu[m].age);
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printf("\t%s",stu[m].jiguan);
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printf("\t%s",stu[m].xibie);
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printf("\t%s",stu[m].zhuanye);
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printf("\t%d",stu[m].ban);
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}
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{
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int xz ,choice;//选择返回还是退出系统的变量
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do
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{
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printf("\n1-返回主菜单； 2-退出系统\n");
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scanf("%d",&choice);
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if(choice<1||choice>2)
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{xz=1;system("cls");printf("输入错误，请重新选择！\n");
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}
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else xz=0;
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}while(xz==1);
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switch(choice)
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{
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case 1:
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menu();
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break;
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case 2:
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exit(0);
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break;
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}
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}
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}
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//*********录入学生的信息
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void add()
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{
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FILE *fp;
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int i,m,n;
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n=0;
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if((fp=fopen("results.txt","wb"))=NULL)
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{
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printf("文件打开错误\n");
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exit(1);
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}
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printf("你想录入多少个学生的信息？");
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scanf("%d",&m);
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for(i=0;i<m;i++)
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{
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printf("\n学号；");
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scanf("%s",stu[n+i].no);
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printf("姓名");
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scanf("%s",stu[n+i].name);
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printf("籍贯");
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scanf("%s",stu[n+i].jiguan);
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printf("系别");
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scanf("%s",stu[n+i].xibie);
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printf("性别");
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scanf("%s",stu[n+i].sex);
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printf("年龄");
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scanf("%d",&stu[n+i].age);
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printf("专业");
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scanf("%s",stu[n+i].zhuanye);
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printf("班级");
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scanf("%d",&stu[n+i].ban);
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printf("输入完成");
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}
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save(m);
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fclose(fp);
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{
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int xz,choice;
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do
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{
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printf("\n-1返回主菜单；2-退出系统\n");
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scanf("%d",&choice);
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if(choice<1||choice>2)
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{xz=1;system("cls");
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printf("输入错误，请重新选择！\n");}
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else xz=0;
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}while(xz==1);
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switch(choice)
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{
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case 1:
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menu();break;
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case 2:
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exit(0);break;
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}
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}
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}
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//****查找函数******//
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void find()
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{
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int menu();
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int i,n;
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char m[9];
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n=load();
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printf("\t\t\t 欢迎使用学号查找功能\n请输入你需要查找的学生的学号；");
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scanf("%s",&m);
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if(!strcmp(stu[i].no,m))
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{
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printf("学号\t性别\t年龄\t籍贯\t系统\t专业\t班级\n");
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printf("%s",stu[i].no);
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printf("\t%s",stu[i].name);
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printf("\t%s",stu[i].sex);
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printf("\t%d",stu[i].age);
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printf("\t%s",stu[i].jiguan);
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printf("\t%s",stu[i].xibie);
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printf("\t%s",stu[i].zhuanye);
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printf("\t%d\n",stu[i].ban);
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}
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else
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printf("你输入的学号错误");
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{
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int xz,choice;
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do
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{
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printf("\n 1-返回主菜单； 2-退出系统\n");
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scanf("%d",&choice);
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if(choice<1||choice>2)
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{xz=1;system("cls");printf("输入错误，请重新选择！\n");}
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else xz=0;
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}while(xz==1);
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switch(choice)
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{
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case 1:
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menu();break;
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case 2:
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exit(0);break;
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}
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}
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}
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//修改函数
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void change()
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{
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int n,i,j;
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char m[9];
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n=load();
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printf("欢迎使用修改功能\n输入你要修改学生的学号");
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scanf("%s",&m);
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if(!strcmp(stu[i].no,m))
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{
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printf("你要修改的项目；\n1）学号 2）姓名 3）性别 4）年龄 5）籍贯 6）系别 7）专业 8）班级\n");
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printf("你选择的功能是；");
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scanf("%d",&j);
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switch(j)
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{
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case 1:
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printf("输入你修改后的学号；");
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scanf("%s,stu[i].name");
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break;
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case 2:
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printf("请输入你修改后的姓名；");
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scanf("%s",stu[i].name);
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break;
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case 3:
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printf("请输入你修改后的性别；");
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scanf("%s,stu[i].sex");
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break;
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case 4:
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printf("输入你修改后的年龄；");
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scanf("%d",&stu[i].age);
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break;
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case 5:
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printf("请输入你修改后的籍贯；");
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scanf("%s",stu[i].jiguan);
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break;
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case 6:
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printf("输入你修改后的系别；");
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scanf("%s",stu[i].xibie);
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break;
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case 7:
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printf("请输入你修改后的专业；");
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scanf("%s",stu[i].zhuanye);
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break;
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case 8:
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printf("请输入你修改后的班级；");
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scanf("%d",&stu[i].ban);
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break;
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default:
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printf("选择功能错误\n");
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break;
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}
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}
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save(1);
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{
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int xz,choice;
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do
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{
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printf("\n 1-返回主菜单； 2-退出系统\n");
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scanf("%d",&choice);
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if(choice<1||choice>2)
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{xz=1;system("cls");printf("输入错误，请重新选择！\n");
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}
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else xz =0;
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}while(xz==1);
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switch(choice)
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{
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case 1:
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menu();
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break;
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case 2:
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exit(0);
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break;
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}
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}
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}
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//**********统计函数
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void tongji_1()//按学号统计
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{
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int n,i,sum=0;
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char m[9];
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n=load();
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printf("请输入你要统计的学号；");
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scanf("%s",&m);
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printf("学号\t姓名\t性别\t年龄\t籍贯\t系别\t专业\t班级\n");
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for(i=0;!strcmp(m,stu[i].zhuanye);i++)
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{
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printf("%s",stu[i].no);
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printf("\t%s",stu[i].name);
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printf("\t%s",stu[i].sex);
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printf("\t%d",stu[i].age);
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printf("\t%s",stu[i].jiguan);
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printf("\t%s",stu[i].xibie);
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printf("\t%s",stu[i].zhuanye);
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printf("\t%d\n",stu[i].ban);
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sum++;
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printf("%s学号的学生共有%d个\n",m,sum);}
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}
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void tongji_2()//按专业统计
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{
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int n,i,sum=0;
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char m[25];
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n=load();
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printf("请输入你需要统计的专业；");
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scanf("%s",&m);
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printf("学号\t姓名\t性别\t年龄\t籍贯\t专业\t班级\n");
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for(i=0;!strcmp(m,stu[i].zhuanye);i++)
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{
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printf("%s",stu[i].no);
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printf("\t%s",stu[i].name);
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printf("\t%s",stu[i].sex);
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printf("\t%d",stu[i].age);
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printf("\t%s",stu[i].jiguan);
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printf("\t%s",stu[i].xibie);
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printf("\t%s",stu[i].zhuanye);
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printf("\t%d\n",stu[i].ban);
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sum++;
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printf("%s专业的学生共有%d个\n",m,sum);}
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}
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void tongji()
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{
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int n,m;
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n=load();
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printf("欢迎使用统计功能\n你想统计的项目是；1) 学号\t 2)专业\n");
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printf("输入你想选择的功能；");
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scanf("%d",&m);
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switch(m)
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{
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case 1:
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tongji_1();
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break;
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case 2:
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tongji_2();
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break;
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default:
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printf("选择的功能错误\n");
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int getch();
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tongji();
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break;
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}
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{
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int xz,choice;
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do
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{
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printf("\n 1-返回主菜单； 2-退出系统\n");
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scanf("%d",&choice);
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if(choice<1||choice>2)
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{xz=1,system("cls");printf("输入错误，请重新选择！\n");
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}
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else xz =0;
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}while(xz==1);
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switch(choice)
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{
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case 1:
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menu();
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break;
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case 2:
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exit(0);
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break;
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}
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}
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}
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//**************删除函数
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void shanchu()
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{
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int n,j,i,k;
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char m[9];
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n=load();
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printf("请输入你需要删除多少个信息");
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scanf("%d",&k);
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printf("请输入你要删除资料学生的学号");
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scanf("%s",&m);
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for(i=0;i<k;i++)
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{
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if(!strcmp(stu[i].no,m))
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{
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strcpy(stu[j].no,stu[j+1].no);
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strcpy(stu[j].name,stu[j+1].name);
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stu[j].age=stu[j+1].age;
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strcpy(stu[j].jiguan,stu[j+1].jiguan);
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strcpy(stu[j].xibie,stu[j+1].xibie);
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strcpy(stu[j].zhuanye,stu[j+1].zhuanye);
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strcpy(stu[j].sex,stu[j+1].sex);
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stu[j].ban=stu[j+1].ban;
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}
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else
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printf("没有你输入的学号");
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}
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{
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int xz,choice;
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do
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|
{
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printf("\n 1-返回主菜单； 2-退出系统\n");
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scanf("%d",&choice);
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if(choice<1||choice>2)
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{xz=1,system("cls");printf("输入错误，请重新选择！\n");
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}
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else xz =0;
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}while(xz==1);
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switch(choice)
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{
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case 1:
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menu();
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break;
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case 2:
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exit(0);
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break;
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}
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}
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}
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int main()
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{
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menu();
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}
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