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<pre name="code" class="cpp">#ifndef _CONTACT_H_//宏定义通讯录
#define _CONTACT_H_ //宏定义通讯录
#define NAME_LEN 30//全局变量
#define SEX_LEN 5//全局变量
#define TELP_LEN 12//全局变量
#define GRO_LEN 15//全局变量
#define MAX_PER 1000//全局变量
typedef struct per{
char name[NAME_LEN];
char sex[SEX_LEN];
int age;
char telp[TELP_LEN];
char gro[GRO_LEN];
}PER,*PPER;
typedef struct Contact{
PER dhb[MAX_PER];
int count;
}PCON,*Pcon;
void add(Pcon pcon);//添加函数
void del(Pcon pcon);//删除函数
void search(Pcon pcon);//查找函数
void modify(Pcon pcon);//修改函数
void show(Pcon pcon);//显示函数
void clear(Pcon pcon);//清空函数
void WritetoFile(Pcon pcon);//写入文件
void ReadfromFile(Pcon pcon);//读出文件
#endif
#include <stdio.h>
//#include "contact.h"
#include <string.h>
int find(char *p,Pcon pcon)//在这封装一个find函数，在以后的函数里直接调用
{
int i=0;
for(i=0;i<pcon->count;i++)
{
if(strcmp(p,pcon->dhb[i].name)==0)//strcmp为字符串比较函数
{
return i;
}
}
return -1;
}
void add(Pcon pcon)
{
if(pcon->count<MAX_PER)
{
printf("请输入联系人名字:");
scanf("%s",(pcon->dhb[pcon->count]).name);//结构体中变量间接访问成员
printf("请输入年龄:");
scanf("%d",&(pcon->dhb[pcon->count].age));
printf("请输入性别:");
scanf("%s",pcon->dhb[pcon->count].sex);
printf("请输入电话:");
scanf("%s",pcon->dhb[pcon->count].telp);
printf("请输入地址:");
scanf("%s",pcon->dhb[pcon->count].gro);
pcon->count++;
printf("ok!添加成功!\n");
}
else
{
printf("电话本已满！退出\n");
return ;
}
}
void del(Pcon pcon)
{
char name[NAME_LEN];
int k=0;
int ret=0;
printf("请输入你要删除的人的名字:");
scanf("%s",name);
ret=find(name,pcon);//调用find函数
if(ret==-1)
{
printf("no exit\n");
}
else
{
for(k=ret;k<pcon->count-1;k++)
{
pcon->dhb[k-1]=pcon->dhb[k];
}
}
pcon->count --;//删除一个成员后，计数器自减1
printf("删除成功");
}
void search(Pcon pcon)
{
char name[NAME_LEN];
int ret = 0;
if(ret == -1)
{
printf("no exit\n");
}
else
{
printf("请输入要查找的联系人的名字：");
scanf("%s",name);
ret = find(name,pcon);
printf("%12s",(pcon->dhb[ret]).name);
printf("%12d",(pcon->dhb[ret]).age);
printf("%12s",pcon->dhb[ret].sex);
printf("%12s",pcon->dhb[ret].telp);
printf("%12s\n",pcon->dhb[ret].gro);
}
}
void modify(Pcon pcon)
{
char name[NAME_LEN];
int ret=0;
printf("请输入你要修改人的名字：");
scanf("%s",name);
ret=find(name,pcon);
if(ret=-1)
{
printf("no exit\n");
}
else
{
printf("请输入修改的联系人的姓名:\n");
scanf("%s",pcon->dhb[ret].name);
printf("请输入修改的联系人的性别:\n");
scanf("%s",pcon->dhb[ret].sex);
printf("请输入修改的联系人的年龄:\n");
scanf("%d",&pcon->dhb[ret].age);
printf("请输入修改的联系人的电话:\n");
scanf("%s",pcon->dhb[ret].telp);
printf("请输入修改的联系人的住址:\n");
scanf("%s",pcon->dhb[ret].gro);
printf("修改成功\n");
}
}
void show(Pcon pcon)
{
int j;
for(j=0;j<pcon->count;j++)
{
printf("%s\n",pcon->dhb[j].name);
printf("%s\n",pcon->dhb[j].sex);
printf("%d\n",pcon->dhb[j].age);
printf("%s\n",pcon->dhb[j].telp);
printf("%s\n",pcon->dhb[j].gro);
}
}
void clear(Pcon pcon)
{
pcon->count=0;//只要设定的电话本里的计数器count归零就达到了清空的作用
}
void WritetoFile(Pcon pcon)
{
FILE *fp;
int i;
if((fp=fopen("contact.txt","w"))==NULL)
{
printf("Fialure to openscore.txt!\n");
//exit(0);
}
for(i=0;i<pcon->count;i++)
{
fprintf(fp,"%s%s%d%s%s",pcon->dhb[pcon->count].name,pcon->dhb[pcon->count].sex,pcon->dhb[pcon->count].age,pcon->dhb[pcon->count].telp,pcon->dhb[pcon->count].gro);
}
fclose(fp);
}
void ReadfromFile(Pcon pcon)
{
FILE *fp;
int i;
if((fp=fopen("contact.txt","r"))==NULL)
{
printf("Failure to open score.txt!\n");
// exit(0);
}
for(i=0;!feof(fp);i++)
{
fscanf(fp,"%s",pcon->dhb[pcon->count].name);
fscanf(fp,"%s",pcon->dhb[pcon->count].sex);
fscanf(fp,"%d",pcon->dhb[pcon->count].age);
fscanf(fp,"%s",pcon->dhb[pcon->count].telp);
fscanf(fp,"%s",pcon->dhb[pcon->count].gro);
}
fclose(fp);
}
void menu()//菜单选择函数
{
printf("*****************************\n");
printf("*** 1>add ***\n");
printf("*** 2>del ***\n");
printf("*** 3>search ***\n");
printf("*** 4>modify ***\n");
printf("*** 5>show ***\n");
printf("*** 6>clear ***\n");
printf("*** 7>WritetoFile ***\n");
printf("*** 8>ReadfromFile ***\n");
printf("*****************************\n");
}
int main()//主函数中定义选择语句
{
PCON con;//此时PCON为类型
int input = 1;
con.count = 0;//对count初始化为0，说明此时电话本为空
while(input)
{
menu();
printf("请输入你的选择>:");
scanf("%d",&input);
switch(input)
{
case 1:
add(&con);
break;
case 2:
del(&con);
break;
case 3:
search(&con);
break;
case 4:
modify(&con);
break;
case 5:
show(&con);
break;
case 6:
clear(&con);
break;
case 7:
WritetoFile(&con);
break;
case 8:
ReadfromFile(&con);
break;
default:
break;
}
}
return 0;
} 未完待续
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原文地址：http://blog.csdn.net/juice521cai/article/details/46239047
