通讯录
.h文件
#ifndef
__CONTACTS__
#define
__CONTACTS__
#define
_CRT_SECURE_NO_WARNINGS
1
#include
<stdio.h>
#include
<stdlib.h>
#define
NAME_SIZE
10
#define
SEX_SIZE
5
#define
TEL_SIZE
12
#define
ADDRE_SIZE
20
#define
START
10
enum
//把不同的操作用枚举的方式把它们的可能取值列出来
{
EXIT,
ADD,
DELETE,
FIND,
ALTER,
SHOW,
CLEAR,
SORT,
SAVE
};
typedef
struct
Peo
//因为通讯录里一个人的信息包括很多方面，不同的类型，所以把人定义为一个新的结构体类型
{
char
name[
NAME_SIZE
];
char
sex[
SEX_SIZE
];
int
age;
char
tel[
TEL_SIZE
];
char
addre[
ADDRE_SIZE
];
}
Peo
;
typedef
struct
Contact
{
int
size;
Peo
peo[];
}
Contact
,*
Pcon
;
void
meun();
void
init_conatct(
Pcon
pcon);
void
load_contact(
Pcon
pcon);
void
add_conatct(
Pcon
pcon);
void
dele_conatct(
Pcon
pcon);
void
find_conatct(
Pcon
pcon);
void
alter_conatct(
Pcon
pcon);
void
show_conatct(
Pcon
pcon);
void
clear_conatct(
Pcon
pcon);
void
sort_conatct(
Pcon
pcon);
void
save_contact(
Pcon
pcon);
#endif
.c文件
#include
"contact.h"
void
meun()
{
printf(
" ********通讯录********\n"
);
printf(
"********1、添加联系人 2、删除指定联系人*********\n"
);
printf(
"********3、查找指定联系人 4、修改指定联系人*********\n"
);
printf(
"********5、显示所有联系人 6、清空所有联系人*********\n"
);
printf(
"********7、按名字排序联系人 8、保存联系人并退出*******\n"
);
printf(
"********0、退出程序 *******\n"
);
printf(
"请选择：>"
);
}
void
init_conatct(
Pcon
pcon
)
{
pcon
->size = 0;
pcon
= (
Pcon
)malloc(
START
*
sizeof
(
pcon
->peo) +
sizeof
(
Pcon
));
//为通讯录分配动态内存
}
void
add_mem(
Pcon
pcon
)
{
if
(
pcon
->size == 1000)
{
printf(
"通讯录已满！\n"
);
return
;
}
int
num =
pcon
->size / 10 + 1;
pcon
= (
Pcon
)malloc(num *
START
*
sizeof
(
pcon
->peo) +
sizeof
(
Pcon
));
}
void
load_contact(
Pcon
pcon
)
{
char
ch =
' '
;
init_conatct(
pcon
);
char
p[5] = { 0 };
FILE
*fread = fopen(
"contact.txt"
,
"r"
);
if
(fopen ==
NULL
)
{
printf(
"打开文件失败!\n"
);
exit(0);
}
ch = fgetc(fread);
while
(ch!=
EOF
)
{
fseek(fread, -1,
SEEK_CUR
);
add_mem(
pcon
);
fscanf(fread,
"%s%s%d%s%s"
,
pcon
->peo[
pcon
->size].name,
pcon
->peo[
pcon
->size].sex, &
pcon
->peo[
pcon
->size].age,\
pcon
->peo[
pcon
->size].tel,
pcon
->peo[
pcon
->size].addre);
//注意结构体指针变量对成员的引用方法
//fscanf():从文件里以格式化的方式读取数据到内存的函数
pcon
->size++;
ch = fgetc(fread);
//因为fscanf是读到上一行的'\n'截止，所以得先把'\n'读了，使fread指向下一行
ch = fgetc(fread);
//判断现在fread所指向的这一行是不是空行（EOF）
}
fclose(fread);
}
void
save_contact(
Pcon
pcon
)
{
int
i = 0;
FILE
*fwriter = fopen(
"contact.txt"
,
"w"
);
if
(fopen ==
NULL
)
{
printf(
"打开文件失败!\n"
);
exit(0);
}
//fprintf(fwriter, "%-4s %-4s %-4s %-8s %-8s\n", "姓名", "性别", "年龄", "电话", "住址");
while
(i <
pcon
->size)
{
fprintf(fwriter,
"%-4s %-4s %-4d %-8s %s\n"
,
pcon
->peo[i].name,
pcon
->peo[i].sex,
pcon
->peo[i].age,\
pcon
->peo[i].tel,
pcon
->peo[i].addre);
//fprintf()：从内存里以格式化的方式输出数据到文件的函数
i++;
}
fclose(fwriter);
printf(
"联系人信息保存成功!\n"
);
exit(0);
}
void
swap(
Peo
*
peo1
,
Peo
*
peo2
)
//排序时交换两个人的信息
{
Peo
temp = *
peo1
;
*
peo1
= *
peo2
;
*
peo2
= temp;
}
void
add_conatct(
Pcon
pcon
)
{
add_mem(
pcon
);
printf(
"请输入要插入的联系人的信息：\n"
);
printf(
"姓名："
);
scanf(
"%s"
,
pcon
->peo[
pcon
->size].name);
printf(
"性别："
);
scanf(
"%s"
,
pcon
->peo[
pcon
->size].sex);
printf(
"年龄："
);
scanf(
"%d"
, &
pcon
->peo[
pcon
->size].age);
printf(
"电话："
);
scanf(
"%s"
,
pcon
->peo[
pcon
->size].tel);
printf(
"住址："
);
scanf(
"%s"
,
pcon
->peo[
pcon
->size].addre);
pcon
->size++;
printf(
"插入成功！\n"
);
system(
"cls"
);
}
void
dele_conatct(
Pcon
pcon
)
{
int
i = 0;
char
p[10] =
""
;
printf(
"请输入要删除的联系人的姓名：\n"
);
scanf(
"%s"
, p);
for
(i = 0; i <
pcon
->size; i++)
{
if
(!strcmp(p,
pcon
->peo[i].name))
{
break
;
}
}
if
(i ==
pcon
->size)
{
printf(
"通讯录不存在该联系人，无法删除！\n"
);
return
;
}
while
(i < (
pcon
->size - 1))
{
pcon
->peo[i] =
pcon
->peo[i + 1];
i++;
}
pcon
->size--;
printf(
"删除成功！\n"
);
system(
"cls"
);
}
void
find_conatct(
Pcon
pcon
)
{
int
i = 0;
char
p[10] =
""
;
printf(
"请输入要查找的联系人的姓名：\n"
);
scanf(
"%s"
, p);
for
(i = 0; i <
pcon
->size;)
{
if
(!strcmp(
pcon
->peo[i].name, p))
{
printf(
"%-6s%-6s%-6s%-16s%s\n"
,
"姓名"
,
"性别"
,
"年龄"
,
"电话"
,
"住址"
);
printf(
"%-6s%-6s%-6d%-16s%s\n"
,
pcon
->peo[i].name,
pcon
->peo[i].sex,
pcon
->peo[i].age, \
pcon
->peo[i].tel,
pcon
->peo[i].addre);
return
;
}
i++;
//因为上面循环里的判断用到i了，要是把i++写在循环条件里，那么会出错
}
printf(
"通讯录内不存在该联系人!\n"
);
return
;
}
void
alter_conatct(
Pcon
pcon
)
{
int
i = 0;
char
p[10] =
""
;
printf(
"请输入要修改的联系人的姓名：\n"
);
scanf(
"%s"
, p);
for
(i = 0; i <
pcon
->size; )
{
if
(!strcmp(
pcon
->peo[i].name, p))
{
printf(
"请输入修改后的联系人的信息：\n"
);
printf(
"姓名："
);
scanf(
"%s"
,
pcon
->peo[i].name);
printf(
"性别："
);
scanf(
"%s"
,
pcon
->peo[i].sex);
printf(
"年龄："
);
scanf(
"%d"
, &
pcon
->peo[i].age);
printf(
"电话："
);
scanf(
"%s"
,
pcon
->peo[i].tel);
printf(
"住址："
);
scanf(
"%s"
,
pcon
->peo[i].addre);
printf(
"修改成功！\n"
);
system(
"cls"
);
return
;
}
i++;
//因为上面循环里的判断用到i了，要是把i++写在循环条件里，那么会出错
}
printf(
"通讯录内不存在该联系人!\n"
);
system(
"cls"
);
}
void
show_conatct(
Pcon
pcon
)
{
int
i = 0;
if
(
pcon
->size == 0)
{
printf(
"通讯录内没有任何信息!\n"
);
system(
"cls"
);
return
;
}
printf(
"%-6s%-6s%-6s%-16s%s\n"
,
"姓名"
,
"性别"
,
"年龄"
,
"电话"
,
"住址"
);
for
(i = 0; i <
pcon
->size; i++)
{
printf(
"%-6s%-6s%-6d%-16s%s\n"
,
pcon
->peo[i].name,
pcon
->peo[i].sex,
pcon
->peo[i].age,\
pcon
->peo[i].tel,
pcon
->peo[i].addre);
}
}
void
clear_conatct(
Pcon
pcon
)
{
pcon
->size = 0;
printf(
"联系人已被清空!\n"
);
system(
"cls"
);
}
void
sort_conatct(
Pcon
pcon
)
{
int
i = 0;
int
j = 0;
for
(i = 0; i <
pcon
->size - 1; i++)
{
for
(j = 0; j <
pcon
->size - i - 1; j++)
{
if
(strcmp(
pcon
->peo[j].name,
pcon
->peo[j+1].name) > 0)
//这个必须指明结果是大于0还是小于0，因为
//不指明的话，不管大于0还是小于0都会进到if
//判断语句里去
{
swap(&
pcon
->peo[j], &
pcon
->peo[j + 1]);
}
}
}
printf(
"排序成功！\n"
);
system(
"cls"
);
}
测试部分
#define
_CRT_SECURE_NO_WARNINGS
1
#include
"contact.h"
int
main()
{
Contact
pcon = { 0 };
load_contact(&pcon);
while
(1)
{
int
input = 0;
meun();
scanf(
"%d"
, &input);
switch
(input)
{
case
ADD:;
add_conatct(&pcon);
break
;
case
DELETE:;
dele_conatct(&pcon);
break
;
case
FIND:
find_conatct(&pcon);
break
;
case
ALTER:;
alter_conatct(&pcon);
break
;
case
SHOW:;
show_conatct(&pcon);
break
;
case
CLEAR:;
clear_conatct(&pcon);
break
;
case
SORT:;
sort_conatct(&pcon);
break
;
case
SAVE:;
save_contact(&pcon);
break
;
case
EXIT:;
exit(0);
break
;
}
}
system(
"pause"
);
return
0;
}