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249 lines
6.6 KiB
249 lines
6.6 KiB
#include<stdio.h>
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#include<string.h>
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#include<stdlib.h>
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void student_add();
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void student_ll();
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void student_xhcx();
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void student_xmcx();
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void student_xg();
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void student_sc();
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int flag=1;
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int main()
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{
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int xuanze;
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system("cls");
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loop:
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printf("\t\t\t\t********** 学生信息管理系统 **********");
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printf("\n\n\n\n");
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printf("\t\t\t\t 1.学生信息录入 \n");
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printf("\t\t\t\t 2.学生信息浏览 \n");
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printf("\t\t\t\t 3.学号查询系统 \n");
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printf("\t\t\t\t 4.姓名查询系统 \n");
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printf("\t\t\t\t 5.学生信息修改 \n");
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printf("\t\t\t\t 6.学生信息删除 \n");
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printf("\t\t\t\t 0.退出系统 \n");
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printf("请你选择(0-6): \n");
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scanf("%d",&xuanze);
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switch(xuanze)
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{
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case 0:break;
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case 1:student_add();break;
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case 2:student_ll();break;
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case 3:student_xhcx();break;
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case 4:student_xmcx();break;
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case 5:student_xg();break;
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case 6:student_sc();break;
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default:printf("你的选择有误！请重新选择！");goto loop;
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}
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return 0;
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}
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typedef struct student
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{
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char xuehao[20];
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char xingming[20];
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char nianling[20];
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char xingbie[20];
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char nianyue[20];
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char dizhi[1000];
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char dianhua[20];
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char email[1000];
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}stu;
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void student_add()
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{
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int main();
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FILE *fp;
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struct student stu;
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int n;
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scanf("%d",&n);
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system("cls");
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fp=fopen("student.txt","a+");
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if(fp==NULL)
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printf("open file error!");
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else
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{
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while(flag)
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{
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for(int i=1;i<=n;i++)
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{
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printf("请依次输入该同学的学号、姓名、年龄、性别、年月、地址、电话、电子邮箱：\n");
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scanf("%s%s%s%s%s%s%s%s",stu.xuehao,stu.xingming,stu.nianling,stu.xingbie,stu.nianyue,stu.dizhi,stu.dianhua,stu.email);
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fprintf(fp,"%s %s %s %s %s %s %s %s\n",stu.xuehao,stu.xingming,stu.nianling,stu.xingbie,stu.nianyue,stu.dizhi,stu.dianhua,stu.email);
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printf(" press '1'to continue,'0' exit:");
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scanf("%d",&flag);
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}
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}
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}
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fclose(fp);
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main();
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}
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void student_ll()
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{
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char a[50],b[50],c[50],d[50],e[50],f[50],g[50],h[50];
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system("cls");
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freopen("student.txt","r",stdin);
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printf("学号 姓名 年龄 性别 年月 地址 电话 电子邮箱\n");
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while(scanf("%s%s%s%s%s%s%s%s",a,b,c,d,e,f,g,h)!=EOF)
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{
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printf("%s %s %s %s %s %s %s %s\n",a,b,c,d,e,f,g,h);
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}
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return ;
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}
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void student_xhcx()
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{
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FILE *fp;
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struct student stu;
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char xh[20];
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system("cls");
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printf("输入你想要查询的同学学号：\n");
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scanf("%s",xh);
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fp=fopen("student.txt","r");
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if(fp==NULL)
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printf("open file error!");
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else
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{
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for(;!feof(fp);)
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{
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fscanf(fp,"%s%s%s%s%s%s%s%s",stu.xuehao,stu.xingming,stu.nianling,stu.xingbie,stu.nianyue,stu.dizhi,stu.dianhua,stu.email);
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if(strcmp(xh,stu.xuehao)==0)
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{
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printf("以下是该同学的信息：\n");
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printf("%s %s %s %s %s %s %s %s\n",stu.xuehao,stu.xingming,stu.nianling,stu.xingbie,stu.nianyue,stu.dizhi,stu.dianhua,stu.email);
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}
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if(strcmp(xh,stu.xuehao)!=0)
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printf("没有你想要查看的同学的任何信息!请重新运行程序!\n");break;
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}
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}
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fclose(fp);
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}
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void student_xmcx()
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{
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FILE *fp;
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struct student stu;
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char xm[40];
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system("cls");
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printf("输入你想要查询的同学姓名：\n");
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scanf("%s",xm);
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fp=fopen("student.txt","r");
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if(fp==NULL)
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printf("open file error!");
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else
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{
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for(;!feof(fp);)
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{
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fscanf(fp,"%s%s%s%s%s%s%s%s",stu.xuehao,stu.xingming,stu.nianling,stu.xingbie,stu.nianyue,stu.dizhi,stu.dianhua,stu.email);
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if(strcmp(xm,stu.xingming)==0)
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{
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printf("以下是该同学的信息：\n");
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printf("%s %s %s %s %s %s %s %s\n",stu.xuehao,stu.xingming,stu.nianling,stu.xingbie,stu.nianyue,stu.dizhi,stu.dianhua,stu.email);
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}
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if(strcmp(xm,stu.xingming)!=0)
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printf("没有你想要查看的同学的任何信息!请重新运行程序!\n");break;
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}
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}
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fclose(fp);
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}
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void student_xg()
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{struct student stu;
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char xh[50],s[100],buf[100][50];
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memset(buf,0,sizeof(buf));
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printf("输入你想要修改的同学学号：\n");
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scanf("%s",xh);int ok=0;
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int cout,len=strlen(xh),i,p=0;
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freopen("student.txt","r",stdin);
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while(gets(s))
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{cout=0;
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for(i=0;i<strlen(xh);i++)
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{
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if(xh[i]==s[i])cout++;
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}
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if(cout==len){ok=1;break;}
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}
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freopen("CON","r",stdin);
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freopen("CON","w",stdout);
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if(ok)
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{
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char f[100];int op;
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printf("输入你想修改的选项:1.地址 2.电话 3.电子邮箱\n");
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scanf("%d",&op);
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printf("输入你想修改的内容：\n");
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scanf("%s",f);
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freopen("student.txt","r",stdin);
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while(scanf("%s%s%s%s%s%s%s%s\n",stu.xuehao,stu.xingming,stu.nianling,stu.xingbie,stu.nianyue,stu.dizhi,stu.dianhua,stu.email)!=EOF)
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{
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if(strcmp(stu.xuehao,xh)==0)//找到这个学生了
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{
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if(op==1)
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{
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strcpy(stu.dizhi,f);
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}
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else if(op==2)
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{
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strcpy(stu.dianhua,f);
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}
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else if(op==3)
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{
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strcpy(stu.email,f);
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}
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strcat(buf[p],stu.xuehao);buf[p][strlen(buf[p])]=' ';
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strcat(buf[p],stu.xingming);buf[p][strlen(buf[p])]=' ';
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strcat(buf[p],stu.nianling);buf[p][strlen(buf[p])]=' ';
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strcat(buf[p],stu.xingbie);buf[p][strlen(buf[p])]=' ';
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strcat(buf[p],stu.nianyue);buf[p][strlen(buf[p])]=' ';
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strcat(buf[p],stu.dizhi);buf[p][strlen(buf[p])]=' ';
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strcat(buf[p],stu.dianhua);buf[p][strlen(buf[p])]=' ';
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strcat(buf[p],stu.email);buf[p][strlen(buf[p])]=' ';
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p++;
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}
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else
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{
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strcat(buf[p],stu.xuehao);buf[p][strlen(buf[p])]=' ';
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strcat(buf[p],stu.xingming);buf[p][strlen(buf[p])]=' ';
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strcat(buf[p],stu.nianling);buf[p][strlen(buf[p])]=' ';
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strcat(buf[p],stu.xingbie);buf[p][strlen(buf[p])]=' ';
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strcat(buf[p],stu.nianyue);buf[p][strlen(buf[p])]=' ';
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strcat(buf[p],stu.dizhi);buf[p][strlen(buf[p])]=' ';
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strcat(buf[p],stu.dianhua);buf[p][strlen(buf[p])]=' ';
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strcat(buf[p],stu.email);buf[p][strlen(buf[p])]=' ';
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p++;
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}
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}
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freopen("student.txt","w",stdout);
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for(i=0;i<p;i++)
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{
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printf("%s\n",buf[i]);
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}
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freopen("CON","r",stdin);
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freopen("CON","w",stdout);
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}
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else printf("没有找到该学生信息！\n");
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}
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void student_sc()
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{
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char s[100],a[100],b[300],buf[30][100];
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printf("你要删除的学生学号：\n");
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scanf("%s",s);
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memset(buf,0,sizeof(buf));
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freopen("student.txt","r",stdin);
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int i=0,j;
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while(scanf("%s",a)!=EOF)
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{
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gets(b);
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if(strcmp(s,a)!=0)
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{strcat(buf[i],a);
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strcat(buf[i++],b);}
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}
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freopen("student.txt","w",stdout);
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for(j=0;j<i;j++)
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{
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printf("%s\n",buf[j]);
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}
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freopen("CON","r",stdin);
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freopen("CON","w",stdout);
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}
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