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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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struct student
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{
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char num[20];char name[20];char id[10];char sex[4];int age;char tele[15];
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}student[500],student1;
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void menu();
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void type_in();
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void baocun(int);
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void scan();
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void del();
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void search();
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void search_name();
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void change();
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void add();
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void menu()
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{
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printf("\n");
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printf(" 1.录入学生信息\n");
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printf(" 2.浏览学生信息\n");
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printf(" 3.查询学生信息\n");
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printf(" 4.删除学生信息\n");
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printf(" 5.修改学生信息\n");
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printf(" 6.添加学生信息\n");
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printf(" 7.退出\n");
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printf("\n");
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}
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/********************************************************************************************/
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int main()
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{
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int n,f;
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while(1)
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{
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do
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{
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menu();
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printf("请输入你需要操作的序号(1-7):\n");
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scanf("%d",&n);
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if(n>=1&&n<=7)
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{
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f=1;
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break;
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}
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else
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{
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f=0;
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printf("无效操作！");
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}
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}while(f==0);
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switch(n)
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{
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case 1:printf(" 录入学生信息\n\n"); type_in(); break;
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case 2:printf(" 浏览学生信息\n\n"); system("cls"); scan(); break;
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case 3:printf(" 查询学生信息\n\n"); system("cls"); search(); break;
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case 4:printf(" 删除学生信息\n\n"); system("cls"); del(); break;
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case 5:printf(" 修改学生信息\n\n"); system("cls"); change(); break;
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case 6:printf(" 添加学生信息\n\n"); system("sls"); add(); break;
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case 7:goto loop;
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}
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}
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loop:
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system("cls");
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return 0;
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}
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/***********************************************************************************/
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void type_in()
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{
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int i,m;
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printf("请输入需要创建信息的学生人数(1--500):\n");
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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("请输入学号： ");
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scanf("%s",student[i].num);
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printf("请输入姓名: ");
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scanf("%s",student[i].name);
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printf("请输入年龄: ");
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scanf("%d",&student[i].age);
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printf("请输入电话: ");
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scanf("%s",student[i].tele);
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printf("请输入身份证号码: ");
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scanf("%s",&student[i].id);
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printf("请输入性别: ");
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scanf("%s",&student[i].sex);
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getchar();system("cls");
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printf("\n");
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}
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baocun(m);
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}
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void baocun(int m)
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{
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int i;
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FILE *fp;
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if ((fp=fopen("D:\\student_list.txt","wb"))==NULL)
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{
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printf ("此文件不能打开\n");
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exit(0);
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}
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for (i=0;i<m;i++)
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if (fwrite(&student[i],sizeof(struct student),1,fp)!=1)
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printf("file write error\n");
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fclose(fp);
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}
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int fun()
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{
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FILE*fp;
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int i=0;
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if((fp=fopen("D:\\student_list.txt","rb"))==NULL)
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{
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printf ("cannot open file\n");
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exit(0);
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}
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else
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{
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do
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{
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fread(&student[i],sizeof(struct student),1,fp);
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i++;
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}
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while(feof(fp)==0);
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}
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fclose(fp);
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return(i-1);
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}
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void scan()
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{
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int i;
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int m=fun();
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printf("\n学号 \t姓名 \t年龄 \t电话 \t身份证 \t性别 \n");
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for(i=0;i<m;i++)
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printf("%s \t%s \t%d \t%s \t%s \t%s \n",student[i].num,student[i].name,student[i].age,student[i].tele,student[i].id,student[i].sex);
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printf("按任意键继续\n");
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getchar();
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getchar();system("cls");
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}
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void del()
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{
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int m=fun();
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int i,j,n,t,f;
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char name1[10];
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printf("\n 原来的学生信息:\n");
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scan();
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printf("\n");
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printf("请输入要删除的学生的姓名:\n");
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scanf("%s",name1);
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for(f=1,i=0;f&&i<m;i++)
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{
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if(strcmp(student[i].name,name1)==0)
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{
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printf("\n已找到此人，原始记录为：\n");
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printf("\n学号 \t姓名 \t年龄 \t电话 \t身份证 \t性别 \n");
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printf("%s \t%s \t%d \t%s \t%s \t%s \n",student[i].num,student[i].name,student[i].age,student[i].tele,student[i].id,student[i].sex);
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printf("\n确实要删除此人信息请按1,不删除请按0\n");
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scanf("%d",&n);
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if(n==1)
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{
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for(j=i;j<m-1;j++)
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{
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student[j]=student[j+1];
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}
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f=0;
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}
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}
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}
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if(!f)
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m=m-1;
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else
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printf("\n查无此人!\n");
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printf("\n 浏览删除后的所有学生信息:\n");
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baocun(m);
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scan();
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printf("\n继续删除请按1，不再删除请按0\n");
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scanf("%d",&t);
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switch(t)
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{
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case 1:del();break;
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case 0:break;
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default :break;
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}system("cls");
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}
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void search()
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{
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int t,f;
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do
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{
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printf("\n按姓名查询请按1; 进入主函数按2\n");
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scanf("%d",&t);
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if(t>=1&&t<=2)
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{
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f=1;
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break;
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}
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else
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{
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f=0;
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printf("您输入有误，请重新选择!");
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}
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}while(f==0);system("cls");
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while(f==1)
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{
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switch(t)
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{
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case 1:printf("按姓名查询\n");search_name();break;
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case 2:main();break;
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default:break;
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}
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system("cls");
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}
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}
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/***********************************************************************************/
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void search_name()/*按姓名查找函数*/
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{
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char name1[10];
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int i,t;
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int m=fun();
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printf("请输入要查找的姓名:\n");
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scanf("%s",name1);
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for(i=0;i<m;i++)
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if(strcmp(name1,student[i].name)==0)
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{
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printf("\n已找到此人，其记录为：\n");
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printf("\n学号 \t姓名 \t年龄 \t电话 \t身份证 \t性别 \n");
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printf("%s \t%s \t%d \t%s \t%s \t%s \n",student[i].num,student[i].name,student[i].age,student[i].tele,student[i].id,student[i].sex);
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break;
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}
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if(i==m)
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printf("\n未找到\n");
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printf("\n");
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printf("返回查询函数请按1,继续查询姓名请按2\n");
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scanf("%d",&t);
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switch(t)
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{
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case 1:search();break;
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case 2: break;
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default:break;
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}
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}
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/*************************************************************************************/
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void search_num()
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{
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char num1[10];
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int i,t;
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int m=fun();
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printf("请输入要查找的学号:\n");
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scanf("%s",num1);
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for(i=0;i<m;i++)
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if(student[i].num==0)
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{
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printf("\n已找到此人，其记录为：\n");
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printf("\n学号 \t姓名 \t年龄 \t电话 \t身份证 \t性别 \n");
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printf("%s \t%s \t%d \t%s \t%s \t%s \n",student[i].num,student[i].name,student[i].age,student[i].tele,student[i].id,student[i].sex);
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break;
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}
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if(i==m)
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printf("\n未找到\n");
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printf("\n");
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printf("返回查询函数请按1,继续查询学号请按2\n");
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scanf("%d",&t);
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switch(t)
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{
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case 1:search();break;
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case 2: break;
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default:break;
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}
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}
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/***************************************************************************************/
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void change()
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{
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char num[20];
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char name[20];
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char id[10];
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char sex[4];
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long long int age;
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char tele[15];
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int b,c,i,n,t,f;
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int m=fun();
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printf("\n 原来的学生信息:\n");
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scan();
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printf("\n");
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printf("请输入要修改的学生的姓名:\n");
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scanf("%s",name);
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for(f=1,i=0;f&&i<m;i++)
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{
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if(strcmp(student[i].name,name)==0)
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{
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printf("\n已找到此人，原始记录为：\n");
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printf("\n学号 \t姓名 \t年龄 \t电话 \t身份证 \t性别 \n");
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printf("%s \t%s \t%d \t%s \t%s \t%s \n",student[i].num,student[i].name,student[i].age,student[i].tele,student[i].id,student[i].sex);
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printf("\n确实要修改此学生信息请按1 ; 不修改请按0\n");
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scanf("%d",&n);
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if(n==1)
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{
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printf("\n需要进行修改的选项\n 1.学号 2.姓名 3.年龄 4.电话 5.身份证 6.性别\n");
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printf("请输入你想修改的那一项序号:\n");
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scanf("%d",&c);
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if(c>6||c<1)
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printf("\n选择错误，请重新选择!\n");
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}
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f=0;
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}
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}
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if(f==1)
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printf("\n未找到\n");
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do
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{
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switch(c)
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{
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case 1:printf("学号改为: ");
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scanf("%s",num);
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strcpy(student[i-1].num,num);
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break;
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case 2:printf("姓名改为: ");
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scanf("%s",name);
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strcpy(student[i-1].name,name);
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break;
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case 3:printf("年龄改为: ");
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scanf("%lld",&age);
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student[i-1].age=age;
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break;
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case 4:printf("电话改为: ");
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scanf("%s",tele);
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strcpy(student[i-1].tele,tele);
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break;
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case 5:printf("身份证号改为: ");
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scanf("%s",id);
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strcpy(student[i-1].id,id);
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break;
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case 6:printf("性别改为: ");
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scanf("%s",sex);
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strcpy(student[i-1].sex,sex);
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break;
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}
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printf("\n");
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printf("\n是否确定所修改的信息?\n 是 请按1 ; \n不,重新修改 请按2: \n");
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scanf("%d",&b);
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}
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while(b==2);
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printf("\n浏览修改后的所有学生信息:\n");
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printf("\n");
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baocun(m);
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scan();
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printf("\n继续修改请按1，不再修改请按0\n");
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scanf("%d",&t);
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switch(t)
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{
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case 1:change();break;
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case 0:break;
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default :break;
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}system("cls");
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}
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void add()
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{
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int n=fun();
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int i,m;
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printf("请输入需要创建信息的学生人数(1--500):\n");
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scanf("%d",&m);
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for (i=n;i<m+n;i++)
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{
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printf("请输入学号： ");
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scanf("%s",student[i].num);
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printf("\n");
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printf("请输入姓名: ");
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scanf("%s",student[i].name);
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getchar();
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printf("请输入年龄： ");
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scanf("%lld",&student[i].age);
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printf("请输入电话: ");
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scanf("%s",student[i].tele);
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printf("请输入身份证: ");
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scanf("%s",student[i].id);
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printf("请输入性别: ");
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scanf("%s",student[i].sex);
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getchar();system("cls");
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printf("\n");
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}
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baocun(m+n);system("cls");
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printf("添加学生档案完成。\n这时库存信息为：\n");
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scan();
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}
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