C语言-学生学籍管理系统

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1、#include#include#include#defineN100structstudent  {   charno[9];   charname[25];   charsex[10];   intage;   charjiguan[25];   charzhuanye[25];   intban;}stu[N];intload()       {   FILE*fp;   inti;   if((fp=fopen("results.tx

2、t","rb"))==NULL)   {       printf("文件打开错误");       return0;   }   for(i=0;!feof(fp);i++)fread(&stu[i],sizeof(structstudent),1,fp);   fclose(fp);   return(i-1);}voidsave(intn)   {   inti;   FILE*fp;   if((fp=fopen("results.txt","wb"))==NULL)   {       p

3、rintf("文件打开错误:");   }   for(i=0;i

4、].name);       printf("t%s",stu[m].sex);       printf("t%d",stu[m].age);       printf("t%s",stu[m].jiguan);       printf("t%s",stu[m].zhuanye);       printf("t%d",stu[m].ban);       printf("");   }}voidzengjia() {   intn,m,j,i;   n=load();   pri

5、ntf("输入你想要增加多少个学生信息");   scanf("%d",&m);   for(i=0;i

6、scanf("%d",&stu[n+i].age);       printf("籍贯:");       scanf("%s",stu[n+i].jiguan);       printf("专业:");       scanf("%s",stu[n+i].zhuanye);       printf("班级:");       scanf("%d",&stu[n+i].ban);   }   printf("输入完成");   save(n+m);   }voidadd(){   FILE*fp

7、;   inti,m;   if((fp=fopen("results.txt","wb"))==NULL)   {       printf("文件打开错误!");       exit(1);   }   printf("你想要录入多少个学生信息?");   scanf("%d",&m);   for(i=0;i

8、scanf("%s",stu[i].name);       printf("性别:");       scanf("%s",stu[i].sex);       printf("年龄:");       scanf("%d",&stu[i].age);       printf("籍贯:");       scanf("%s",stu[i].jiguan);       printf("专业:");       scanf("%s",stu[i].zhuanye);