c语言通讯录文件存储位置,c语言实现通讯录（存入文件）
#include //靜態方法初始化
//void InitContact(Contact *pcon)
//{
//assert(pcon != NULL);
//pcon->sz = 0;
//memset(pcon->data, 0, sizeof(pcon->data));
//}
//動態方法初始化
void InitContact(Contact *pcon)
{
assert(pcon != NULL);
pcon->sz = 0;
pcon->data = (Info*)malloc(3 * sizeof(Info));
if (pcon->data == NULL)
{
perror("InitContact::use malloc");
exit(EXIT_FAILURE);//退出程序
}
pcon->capacity = 3;
//加載文件中的保存信息
LoadContact(pcon);
}
void DestroyContact(Contact *pcon)
{
assert(pcon != NULL);
pcon->sz = 0;
pcon->capacity = 0;
free(pcon->data);
pcon->data = NULL;
}
int Check_Capacity(Contact *pcon)
{
assert(pcon);
if (pcon->capacity == pcon->sz)
{
//擴容
Info *ptr=realloc(pcon->data, (pcon->capacity + 2)*sizeof(Info));
if (ptr != NULL)
{
pcon->data = ptr;
printf("增容成功!");
return 1;
}
}
return 1;
}
void AddContact(Contact *pcon)
{
assert(pcon != NULL);
/*if (pcon->sz == MAX)
{
printf("通訊錄已滿，無法添加!\n");
}*/
if (0 == Check_Capacity(pcon))
{
printf("增容失敗,無法添加");
return;
}
else
{
printf("請輸入名字:> ");
scanf("%s", pcon->data[pcon->sz].name);
printf("請輸入年齡:> ");
scanf("%d", &(pcon->data[pcon->sz].age));
printf("請輸入性別:> ");
scanf("%s", pcon->data[pcon->sz].sex);
printf("請輸入電話:> ");
scanf("%s", pcon->data[pcon->sz].tele);
printf("請輸入地址;> ");
scanf("%s", pcon->data[pcon->sz].addr);
pcon->sz++;
}
}
void ShowContact(const Contact* pcon)
{
int i = 0;
//名字 年齡 性別 電話 地址
//張三 20 男 123 西安
printf("%10s\t%4s\t%4s\t%12s\t%15s\n", "名字", "年齡", "性別", "電話", "地址");
for (i = 0; i < pcon->sz; i++)
{
printf("%10s\t%4d\t%4s\t%12s\t%15s\n",
pcon->data[i].name,
pcon->data[i].age,
pcon->data[i].sex,
pcon->data[i].tele,
pcon->data[i].addr);
//打印一個人的信息
}
}
static int Find(Contact *pcon, char name[])
{
int i = 0;
for (i = 0; i < pcon->sz; ++i)
{
if (0 == strcmp(pcon->data[i].name, name))
{
return i;
}
}
return -1;
}
void DelContact(Contact *pcon)
{
int i = 0;
int j = 0;
int ret = 0;
char name[MAX_Name] = { 0 };
printf("請輸入要刪除的人的名字:> ");
scanf("%s", &name);
if (pcon->sz == 0)
{
printf("通訊錄已空，無法刪除!\n");
return;
}
ret = Find(pcon, name);
if (ret==-1)
{
printf("要刪除的人不存在!\n");
return;
}
if (ret != -1 && ret <= pcon->sz)
{
//刪除
for (j = ret; j < pcon->sz - 1; ++j)
{
pcon->data[j] = pcon->data[j + 1];
}
}
pcon->sz--;
printf("刪除成功!\n");
}
void SearchContact(const Contact *pcon)
{
int pos = 0;
char name[MAX_Name] = { 0 };
assert(pcon != NULL);
printf("請輸入要查找的人的名字:> ");
scanf("%s", &name);
pos = Find(pcon, name);
if (pos == -1)
{
printf("要查找的人的信息不存在!\n");
}
else if (pos != -1)
{
printf("%10s\t%4s\t%4s\t%12s\t%15s\n", "名字", "年齡", "性別", "電話", "地址");
printf("%10s\t%4d\t%4s\t%12s\t%15s\n",
pcon->data[pos].name,
pcon->data[pos].age,
pcon->data[pos].sex,
pcon->data[pos].tele,
pcon->data[pos].addr);//打印一個人的信息
}
else
printf("要查找的人不存在!\n");
}
void ModifyContact(Contact *pcon)
{
char name[MAX_Name] = { 0 };
int pos = 0;
assert(pcon != NULL);
printf("請輸入要修改的人的名字:> ");
scanf("%s", &name);
pos = Find(pcon, name);
if (pos == -1)
printf("要修改的人的信息不存在!\n");
else
{
printf("請輸入名字:");
scanf("%s", pcon->data[pos].name);
printf("請輸入年齡:");
scanf("%d", &(pcon->data[pos].age));
printf("請輸入性別:");
scanf("%s", pcon->data[pos].sex);
printf("請輸入電話:");
scanf("%s", pcon->data[pos].tele);
printf("請輸入地址:");
scanf("%s", pcon->data[pos].addr);
}
}
void SortContact(Contact *pcon)//冒泡排序
{
int i = 0;
int j = 0;
assert(pcon != NULL);
for (i = 0; i < pcon->sz; ++i)
{
int flag = 1;//表示已經排好
for (j = 0; j < pcon->sz - 1; ++j)
{
if (strcmp(pcon->data[j].name, pcon->data[j + 1].name)>0)
{
Info tmp = pcon->data[j];
pcon->data[j] = pcon->data[j + 1];
pcon->data[j + 1] = tmp;
}
}
if (flag == 1)
{
printf("已經排好了!\n");
break;
}
}
}
void EmptyContact(Contact *pcon)
{
pcon->sz = 0;
printf("清空成功!!\n");
}
void SaveContact(Contact *pcon)
{
FILE *pf = fopen("contact.data", "wb");
int i = 0;
if (pf == NULL)
{
perror("fopen");
return;
}
//寫數據
for (i = 0; i < pcon->sz; i++)
{
fwrite(&(pcon->data[i]), sizeof(Info), 1, pf);
}
fclose(pf);
pf = NULL;
}
void LoadContact(Contact *pcon)
{
FILE* pf = fopen("contact.data", "rb");
Info tmp = { 0 };
if (pf == NULL)
{
perror("LoadContact::fopen");
return;
}
//讀文件
while (fread(&tmp, sizeof(Info),1,pf)>=1)
{
//將讀取到的元素放在通訊錄中
Check_Capacity(pcon);
pcon->data[pcon->sz] = tmp;
pcon->sz++;
}
fclose(pf);
pf = NULL;
}
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