contact.h
typedef struct Peo{char name[NAME_LEN];int age;char sex[SEX_LEN];char tele[TELE_LEN];char addr[ADDR_LEN];}PEO,*PPEO;typedef struct Contact{ PEO dhb[MAX_PEO];//存储人的信息int count;//记录有效个数}PCON,*Pcon;void add_peo(Pcon pcon);void del_peo(Pcon pcon);void search(Pcon pcon);void modify(Pcon pcon);void show(Pcon pcon);void clear(Pcon pcon);void init(Pcon pcon);void save(Pcon pcon);#endif
text.c
print_menu(){printf(“*************************************\n”);printf(“*****1:add2:del******\n”);printf(“*****3:search4:modify***\n”);printf(“*****5:show6:clear****\n”);printf(“************* 7:save ****************\n”);printf(“*************************************\n”);}int main(){PCON con;int input = 1;con.count = 0;init(&con);while(input){print_menu();printf(“请选择操作：\n”);scanf(“%d”,&input);switch(input){case 1:add_peo(&con);break;case 2:del_peo(&con);break;case 3:search(&con);break;case 4:modify(&con);break;case 5:show(&con);break;case 6:clear(&con);break;case 7:save(&con);break;default:break;}}return 0;}
main.c
find(char *p, Pcon pcon){int i = 0;for(;i < pcon->count; i++){if(strcmp(pcon->dhb[i].name,p) == 0)return i;}return -1;}void add_peo(Pcon pcon){if(pcon->count < MAX_PEO){printf(“请输入姓名、年龄、性别、电话、住址：\n”);scanf(“%s”,pcon->dhb [pcon->count].name);scanf(“%d”,&pcon->dhb [pcon->count].age);scanf(“%s”,pcon->dhb [pcon->count].sex);scanf(“%s”,pcon->dhb [pcon->count].tele);scanf(“%s”,pcon->dhb [pcon->count].addr);}pcon->count ++;printf(“存储成功\n”);}void del_peo(Pcon pcon){int i = 0;int ret = 0;char name[10];printf(“请输入要删除的名字：\n”);scanf(“%s”,name);ret = find(name,pcon);if(ret == -1){printf(“无此联系人\n”);}elsefor(i = ret; i < pcon->count-1; i++){pcon->dhb[i] = pcon->dhb[i + 1];}pcon->count–;printf(“删除成功\n”);}void search(Pcon pcon){int i = 0;int ret = 0;char name[10];printf(“请输入要查找人的名字：\n”);scanf(“%s”,name);ret = find(name,pcon);if(ret == -1){printf(“无此联系人\n”);}else{printf(“姓名：%10s\t”,pcon->dhb[i].name);printf(“年龄：%10d\t”,pcon->dhb[i].age);printf(“性别：%10s\t”,pcon->dhb[i].sex);printf(“电话：%10s\t”,pcon->dhb[i].tele);printf(“住址：%10s\t”,pcon->dhb[i].addr);printf(“\n”);}}void modify(Pcon pcon){int i = 0;int ret = 0;char name[10];printf(“请输入要查找人的名字：\n”);scanf(“%s”,name);ret = find(name,pcon);printf(“请输入姓名、年龄、性别、电话、住址：\n”);scanf(“%s”,pcon->dhb [i].name);scanf(“%d”,&pcon->dhb [i].age);scanf(“%s”,pcon->dhb [i].sex);scanf(“%s”,pcon->dhb [i].tele);scanf(“%s”,pcon->dhb [i].addr);printf(“修改成功\n”);}void show(Pcon pcon){int i = 0;for(; i <pcon->count; i++){printf(“姓名：%10s\t”,pcon->dhb[i].name);printf(“年龄：%10d\t”,pcon->dhb[i].age);printf(“性别：%10s\t”,pcon->dhb[i].sex);printf(“电话：%10s\t”,pcon->dhb[i].tele);printf(“住址：%10s\t”,pcon->dhb[i].addr);printf(“\n”);}}void clear(Pcon pcon){pcon->count = 0;}void init(Pcon pcon){int i = 0;FILE *pfread = fopen(“contact.txt”,”r”);if(pfread == NULL){perror(“contact.txt”);exit(EXIT_FAILURE);}while(fread(&(pcon->dhb[i]),sizeof(PEO),1,pfread)==1){i++;}pcon->count = i;fclose(pfread);}void save(Pcon pcon){int i = 0;FILE *pfwrite = fopen(“contact.txt”,”w”);if(pfwrite == NULL){perror(“contact.txt”);exit(EXIT_FAILURE);}for(i= 0;i<pcon->count;i++){fwrite(&(pcon->dhb[i]),sizeof(PEO),1,pfwrite);}fclose(pfwrite);}
，每一件事都要用多方面的角度来看它
