联系人档案（文本式列表）
最编程
2024-02-17 18:35:34
...
contact.c
#define _CRT_SECURE_NO_WARNINGS
#include "contact.h"
//声明一下
static int check_capacity(struct Contact* pc);
LoadContact(struct Contact* pc)
{
//打开文件
FILE* pfr = fopen("date.txt", "rb");
if (pfr == NULL)
{
perror("saveContact::fopen");
return;
}
//操作文件
struct PeoInfo tmp = { 0 };
while (fread(&tmp, sizeof(struct PeoInfo), 1, pfr))
{
//检查容量是否足够
check_capacity(&pc);
pc->data[pc->sz] = tmp;
pc->sz++;
}
//关闭文件
fclose(pfr);
pfr = NULL;
}
void InitContact(struct Contact* pc)
{
assert(pc);
pc->data = (struct PeoInfo*)malloc(DEFAULT_SZ * sizeof(struct PeoInfo));
if (pc->data == NULL)
{
perror("InitContact");
return;
}
pc->sz = 0;
pc->capacity = DEFAULT_SZ;
//加载文件中的数据到通讯录;
LoadContact(pc);
}
void DestoryContact(struct Contact* pc)
{
free(pc->data);
pc->data = NULL;
pc->sz = 0;
pc->capacity = 0;
}
static int check_capacity(struct Contact* pc)
{
//增容
if (pc->sz == pc->capacity)
{
struct PeoInfo* str = realloc(pc->data, (pc->capacity + 2) * sizeof(struct PeoInfo));
if (str != NULL)
{
pc->data = str;
pc->capacity += INT_SZ;
return 1;
}
else
{
perror("AddContact");
return 0;
}
}
else
return 1;
}
void AddContact(struct Contact* pc)
{
assert(pc);
/*if (pc->sz == MAX)
{
printf("通讯录已满");
return 0;
}*/
if (0 == check_capacity(pc))
{
return;
}
//增加人的信息
printf("请输入名字:>");
scanf("%s", pc->data[pc->sz].name);
printf("请输入性别:>");
scanf("%s", pc->data[pc->sz].sex);
printf("请输入年龄:>");
scanf("%d", &(pc->data[pc->sz].age));
printf("请输入电话:>");
scanf("%s", pc->data[pc->sz].tele);
printf("请输入地址:>");
scanf("%s", pc->data[pc->sz].addr);
pc->sz++;
printf("成功增加联系人\n");
}
void ShowContact(struct Contact* pc)
{
int i = 0;
printf("%-20s\t%-5s\t%-5s\t%-12s\t%-30s\n", "姓名", "性别", "年龄", "电话", "地址");
for (i = 0; i < pc->sz; i++)
{
printf("%-20s\t%-5s\t%-5d\t%-12s\t%-30s\n", pc->data[i].name,
pc->data[i].sex,
pc->data[i].age,
pc->data[i].tele,
pc->data[i].addr);
}
}
static int FindByName(const struct Contact* pc, char name[])
{
int i = 0;
for (i = 0; i < pc->sz; i++)
{
if (0 == strcmp(pc->data[i].name, name))
{
return i;
}
}
return -1;
}
void DelContact(struct Contact* pc)
{
char name[MAX_NAME];
printf("请输入要删除人的名字:>");
scanf("%s", name);
//查找一下指定的人是否存在
int ret = FindByName(pc, name);
if (ret == -1)
printf("要删除的人不存在\n");
else
{
//删除
int j = 0;
for (j = ret; j < pc->sz - 1; j++)
{
pc->data[j] = pc->data[j + 1];
}
pc->sz--;
printf("成功删除指定联系人\n");
}
}
void SerachContact(struct Contact* pc)
{
char name[MAX_NAME];
printf("输入你要查找的联系人姓名");
scanf("%s", name);
int ret = FindByName(pc, name);
if (ret == -1)
printf("要查找的人不存在\n");
else
{
printf("%-20s\t%-5s\t%-5s\t%-12s\t%-30s\n", "姓名", "性别", "年龄", "电话", "地址");
printf("%-20s\t%-5s\t%-5d\t%-12s\t%-30s\n", pc->data[ret].name,
pc->data[ret].sex,
pc->data[ret].age,
pc->data[ret].tele,
pc->data[ret].addr);
}
}
void ModifyContact(struct Contact* pc)
{
printf("请输入要修改人的名字:>");
char name[MAX_NAME];
scanf("%s", name);
int ret = FindByName(pc, name);
if (ret == -1)
printf("要修改的人不存在\n");
else
{
printf("请输入名字:>");
scanf("%s", pc->data[ret].name);
printf("请输入性别:>");
scanf("%s", pc->data[ret].sex);
printf("请输入年龄:>");
scanf("%d", &(pc->data[ret].age));
printf("请输入电话:>");
scanf("%s", pc->data[ret].tele);
printf("请输入地址:>");
scanf("%s", pc->data[ret].addr);
printf("修改成功\n");
}
}
//int CmpByAge(const void* e1, const void* e2)
//{
// return ((struct PeoInfo*)e1)->age - ((struct PeoInfo*)e2)->age;
//}
//
按照年龄来排序
//void SortContact(struct Contact* pc)
//{
// qsort(pc->data, pc->sz, sizeof(struct PeoInfo), CmpByAge);
//}
int CmpByName(const void* e1, const void* e2)
{
return strcmp(((struct PeoInfo*)e1)->name, ((struct PeoInfo*)e2)->name);
}
//按照年龄来排序
void SortContact(struct Contact* pc)
{
qsort(pc->data, pc->sz, sizeof(struct PeoInfo), CmpByName);
}
void saveContact(struct Contact* pc)
{
//打开文件
FILE* pfw = fopen("date.txt", "wb");
if (pfw == NULL)
{
perror("saveContact::fopen");
return;
}
//操作文件
int i = 0;
for (i = 0; i < pc->data; i++)
{
fwrite(pc->data + i, sizeof(struct PeoInfo), 1, pfw);
}
//关闭文件
fclose(pfw);
pfw = NULL;
}
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