#include #include #include #include #define N 100 int M=5; struct student { char num[10];char name[10];char tel[10];} ; void myprint(); void mycreat(struct student *p,int); void mydisplay(struct student *p,int); void mysearch(struct student *p,int); void mymodify(struct student *p,int); void mydelete(struct student *p,int); void myadd(struct student *p,int); void main() { char choose='\0',yes_no='\0'; struct student record[N]={0} ; do { myprint(); printf("请选择(0-6):"); choose=getche(); switch(choose) { case '1':mycreat(record,M);break; case '2':mydisplay(record,M);break; case '3':mysearch(record,M);break; case '4':mymodify(record,M);break; case '5':myadd(record,M);break; case '6':mydelete(record,M);break; case '0':exit(0); default :printf("\nerror...\n"); } printf("\n 继续选择吗(y/n)?\n"); do {yes_no=getch();} while(yes_no!='Y'&&yes_no!='y'&&yes_no!='N'&&yes_no!='n'); } while(yes_no=='Y'||yes_no=='y'); } void myprint() { system("cls"); printf(" 请输入选项编号(0-6): \n"); printf("1--创建通讯录\n"); printf("2--显示通讯录\n"); printf("3--查询通讯录\n"); printf("4--修改通讯录\n"); printf("5--添加通讯录\n"); printf("6--删除通讯录\n"); printf("0--退出\n"); } void mycreat(struct student *p,int n) { struct student *q=p; FILE *fp=NULL; fp=fopen("d:\\jilu.dat","w"); if(fp==NULL){printf("error"); return;} for(p=q;p-qnum);} while(strcmp(p->num,"")==0); printf("姓名:"); gets(p->name); printf("电话:"); gets(p->tel); fprintf(fp,"%23s%15s%15s\n",p->num,p->name,p->tel); } } void mydisplay(struct student *p,int n) { FILE *fp=NULL; fp=fopen("d:\\jilu.dat","r"); if(fp==NULL){printf("error"); return;} system("cls"); printf(" 学号 姓名 电话\n"); while(n>0) { fscanf(fp,"%23s%15s%15s",p->num,p->name,p->tel); pr...
