实现一个通讯录:
通讯录用来存放1000个人的信息,每个人的信息包括:
姓名、性别、年龄、电话、住址
提供方法:
(1)添加联系人信息
(2)删除指定联系人信息
(3)查找指定联系人的信息
(4)修改指定联系人信息
(5)显示所有联系人信息
(6)清空所有联系人
实现方法:
#include <stdio.h>
#include <string.h>
#define MAX 1000
#define NAME_LEN 10
#define SEX_LEN 5
#define PHONE_LEN 20
#define ADDRESS_LEN 30
struct DHB
{
char name[NAME_LEN];
char sex[SEX_LEN];
int age;
char phone[PHONE_LEN];
char address[ADDRESS_LEN];
};
typedef struct PEO
{
struct DHB dhb[MAX];
int count;
}Peo,*Pcon;
void print(void)
{
printf("***********\n");
printf("1->添加联系人\n2->删除指定联系人\n3->查找指定联系人\n");
printf("4->修改指定联系人\n5->显示所有联系人\n6->清空所有联系人\n");
printf("7->文件形式保存\n");
printf("***********\n");
printf("\n请选择序号:");
}
int find(char *p,Pcon pcon)
{
int i = 0;
for (i = 0; i < pcon->count; i++)
{
if (strcmp(p, pcon->dhb[i].name) == 0)
{
return i;
}
}
return -1;
}
void add(Pcon pcon)
{
printf("请输入姓名、性别、年龄、电话、地址:\n");
scanf("%s %s %d %s %s",
pcon->dhb[pcon->count].name,
pcon->dhb[pcon->count].sex,
&pcon->dhb[pcon->count].age,
pcon->dhb[pcon->count].phone,
pcon->dhb[pcon->count].address);
printf("\n");
pcon->count++;
}
void dele(Pcon pcon)
{
int i = 0,tmp = 0;
char name[NAME_LEN];
printf("输入要删除联系人的姓名:");
scanf("%s",name);
tmp = find(name,pcon);
if (tmp == -1)
{
printf("无此联系人!\n");
}
else
{
for (i=tmp; i < pcon->count-1; i++)
{
pcon->dhb[i] = pcon->dhb[i + 1];
}
pcon->count--;
printf("\n删除指定联系人成功!\n");
}
}
void search(Pcon pcon)
{
int tmp = 0;
char name[NAME_LEN];
printf("请输入要查找联系人的姓名:");
scanf("%s",name);
tmp = find(name, pcon);
if (tmp == -1)
{
printf("无此联系人!\n");
}
else
{
printf("%s %s %d %s %s\n",
pcon->dhb[tmp].name,
pcon->dhb[tmp].sex,
pcon->dhb[tmp].age,
pcon->dhb[tmp].phone,
pcon->dhb[tmp].address);
printf("\n查找成功!\n");
}
}
void modify(Pcon pcon)
{
int tmp = 0;
char name[NAME_LEN];
printf("请输入要修改的联系人的姓名:");
scanf("%s",name);
tmp = find(name,pcon);
if (tmp == -1)
{
printf("无此联系人!\n");
}
else
{
printf("请输入修改后的联系人的全部信息:\n");
scanf("%s %s %d %s %s",
pcon->dhb[tmp].name,
pcon->dhb[tmp].sex,
&pcon->dhb[tmp].age,
pcon->dhb[tmp].phone,
pcon->dhb[tmp].address);
printf("\n修改成功!\n");
}
}
void show(Pcon pcon)
{
int i = 0;
printf("name sex age phone address \n");
printf("----------------------------------------------------");
for (i = 0; i < pcon->count; i++)
{
printf("\n%-8s %-7s %-7d %-9s %-11s\n",
pcon->dhb[i].name,
pcon->dhb[i].sex,
pcon->dhb[i].age,
pcon->dhb[i].phone,
pcon->dhb[i].address);
}
}
void clear(Pcon pcon)
{
pcon->count = 0;
}
void filesave(Pcon pcon)
{
int i = 0;
FILE *pf = fopen("D:/Program Files/MyProjects/2015_5_28/main.txt","w");
if(pf == NULL)
{
perror("error");
exit(EXIT_SUCCESS);
}
for(i = 0; i < pcon->count; i++)
{
fwrite(&pcon->dhb[i],sizeof(struct DHB),1,pf);
}
fclose(pf);
}
int main()
{
Peo stu;
int input = 1;
stu.count = 0;
while (input)
{
print();
scanf("%d",&input);
switch (input)
{
case 1:
add(&stu);
break;
case 2:
dele(&stu);
break;
case 3:
search(&stu);
break;
case 4:
modify(&stu);
break;
case 5:
show(&stu);
break;
case 6:
clear(&stu);
break;
case 7:
filesave(&stu);
break;
default:
printf("选项无效\n");
break;
}
}
return 0;
}
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添加联系人:
查找指定联系人: