C语言实现一个可存储数据的通讯录(源码+注释)
Posted JunFengYiHan
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test.c
#define _CRT_SECURE_NO_WARNINGS
#include"contact.h"
void menu()
{
printf("**** 1. add ****\\n");
printf("**** 2. delete ****\\n");
printf("**** 3. search ****\\n");
printf("**** 4. modify ****\\n");
printf("**** 5. show ****\\n");
printf("**** 6. sort ****\\n");
printf("**** 7. save ****\\n");
printf("**** 0. exit ****\\n");
}
int main()//通讯录
{
struct Con con;
IntiContact(&con);
int Input = 0;
do
{
menu();
scanf("%d", &Input);
switch (Input)
{
case Add:
AddContact(&con);
break;
case Delete:
DelContact(&con);
break;
case Search:
SearContact(&con);
break;
case Modify:
ModifyConstact(&con);
break;
case Show:
ShowContact(&con);
break;
case Sort:
SortContact(&con);
break;
case Save:
SaveContact(&con);
break;
case Exit:
SaveContact(&con);
printf("退出通讯录\\n");
break;
default:printf("选择错误，请重新选择\\n");
break;
}
if (Input != 0)
Sleep(650);
if (Input == 1 || Input == 2 || Input == 4 )
system("cls");
} while (Input);
free(con.data);
con.data = NULL;
return 0;
}
contact.h
#pragma once
#define name_MAX 20
#define sex_MAX 5
#define tele_MAX 12
#define addr_Max 30
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<Windows.h>
#include<errno.h>
typedef struct Stu
{
char name[name_MAX];
int age;
char sex[sex_MAX];
char tele[tele_MAX];
char addr[addr_Max];
}Stu;
typedef struct Con
{
int size;
int num;
struct Stu* data;
}Con;
enum
{
Exit,
Add,
Delete,
Search,
Modify,
Show,
Sort,
Save
};
//初始化
void IntiContact(struct Con* ps);
//增加信息
void AddContact(struct Con* ps);
//展示信息
void ShowContact(const struct Con* ps);
//删除信息
void DelContact(struct Con* ps);
//查找信息
void SearContact(const struct Con* ps);
//修改信息
void ModifyConstact(struct Con* ps);
//排序信息
void SortContact(struct Con* ps);
//输出信息到文件
void SaveContact(struct Con* ps);
//从文件中读取信息
void ReadinContact(struct Con* ps);
contact.c
#define _CRT_SECURE_NO_WARNINGS
#include"contact.h"
void IntiContact(struct Con* ps)
{
Stu* ptr = (Stu*)malloc(10*sizeof(Stu));
if (ptr != NULL)
{
ps->data = ptr;
//memset(ps->data, 0, sizeof(ps->data[0]));
ps->size = 0;
ps->num = 10;
ptr = NULL;
ReadinContact(ps);
}
}
void Addmem(Con* ps)
{
ps->num+=10;
Stu* ptr = (Stu*)realloc(ps->data , (ps->num) * sizeof(Stu));
if (ptr != NULL)
{
ps->data = ptr;
//printf("扩容成功\\n");
}
else
{
printf("Addmem::%s", strerror(errno));
return;
}
}
void AddContact(Con* ps)
{
if (ps->num <= ps->size )//内存不足，增加内存
{
Addmem(ps);
//printf("扩容成功\\n");
}
printf("请输入姓名>;");
scanf("%s", ps->data[ps->size].name);
printf("请输入年龄>;");
scanf("%d", &ps->data[ps->size].age);
printf("请输入性别>;");
scanf("%s", ps->data[ps->size].sex);
printf("请输入电话>;");
scanf("%s", ps->data[ps->size].tele);
printf("请输入住址>;");
scanf("%s", ps->data[ps->size].addr);
ps->size++;
printf("添加成功\\n");
}
void ShowContact(const struct Con* ps)
{
if (ps->size == 0)
{
printf("通讯录为空\\n");
}
else
{
printf("%-10s%-5s%-5s%-15s%-20s\\n", "名字", "年龄", "性别", "电话", "住址");
int i = 0;
for (i = 0; i < ps->size; i++)
{
printf("%-10s%-5d%-5s%-15s%-20s\\n",
ps->data [i].name ,
ps->data[i].age ,
ps->data [i].sex ,
ps->data [i].tele ,
ps->data [i].addr );
}
}
}
int FindContact(const struct Con* ps)//实际的查找函数
{
char name[name_MAX] = { 0 };
scanf("%s", name);
int i = 0;
for (i = 0; i < ps->size; i++)
{
if (strcmp(ps->data[i].name, name) == 0)
{
return i;
}
}
return -1;
}
void DelContact(struct Con* ps)
{
printf("请输入要删除人的姓名>:");
int i= FindContact(ps);
if(i==-1)
{
printf("暂无此人信息\\n");
}
else
{
for (i; i < ps->size - 1; i++)
{
ps->data[i] = ps->data[i+1];
}
ps->size--;
printf("删除成功\\n");
}
}
void SearContact(const struct Con* ps)
{
printf("请输入要查找人的姓名>:");
int i = FindContact(ps);
if (i == -1)
{
printf("暂无此人信息\\n");
}
else
{
printf("%-10s%-5s%-5s%-15s%-20s\\n", "名字", "年龄", "性别", "电话", "住址");
printf("%-10s%-5d%-5s%-15s%-20s\\n",
ps->data[i].name,
ps->data[i].age,
ps->data[i].sex,
ps->data[i].tele,
ps->data[i].addr);
}
}
void ModifyConstact(struct Con* ps)
{
printf("请输入要修改人的名字>;");
int i = FindContact(ps);
if (i == -1)
{
printf("暂无此人信息\\n");
}
else
{
printf("请输入姓名>;");
scanf("%s", ps->data[i].name);
printf("请输入年龄>;");
scanf("%d", &ps->data[i].age);
printf("请输入性别>;");
scanf("%s", ps->data[i].sex);
printf("请输入电话>;");
scanf("%s", ps->data[i].tele);
printf("请输入住址>;");
scanf("%s", ps->data[i].addr);
printf("修改成功\\n");
}
}
int compare_name(const void* e1, const void* e2)
{
return strcmp(((struct Stu*)e1)->name , ((struct Stu*)e2)->name);
}int compare_age(const void* e1, const void* e2)
{
return (((struct Stu*)e1)->age - ((struct Stu*)e2)->age);
}
void SortContact(struct Con* ps)
{
char arr[name_MAX] = { 0 };
printf("请输入排序标准>;(名字或年龄)");
scanf("%s", arr);
if (!strcmp("名字", arr))
{
qsort(ps->data , ps->size, sizeof(ps->data[0]), compare_name);
printf("排序后的信息如下\\n");
ShowContact(ps);
}
else if (!strcmp("年龄", arr))
{
qsort(ps->data , ps->size, sizeof(ps->data[0]), compare_age);
printf("排序后的信息如下\\n");
ShowContact(ps);
}
else
{
printf("暂无以此为标准的排序功能\\n");
}
}
void SaveContact(struct Con* ps)
{
FILE* pf = fopen("address book file.txt", "wb");//打开一个文本，进行写入。
if (pf == NULL)
{
printf("SaveContact::%s\\n",strerror(errno));
return;
}
int i = 0;
for (i = 0; i < ps->size; i++)
{
//fprintf(pf, "%-10s%-5d%-5s%-15s%-20s", ps->data[i].name , ps->data[i].age , ps->data[i].sex , ps->data[i].tele , ps->data[i].addr );
//以文本形式写入的时候上下两者相同作用
//上面的输出格式已经规定，不管什么打开方式都是 w
//下面的输出格式和打开文本时的写入方式一致 w/wb
fwrite(&(ps->data[i]), sizeof(Stu), 1, pf);
}
printf("保存成功\\n");
fclose(pf);
pf = NULL;
}
void ReadinContact(struct Con* ps)
{
Stu tmp = { 0 };
FILE* pf = fopen("address book file.txt", "rb");
if (pf != NULL)
{
while (fread(&tmp, sizeof(Stu), 1, pf))
{
Addmem(ps);
ps->data[ps->size] = tmp;
ps->size++;
}
fclose(pf);
pf = NULL;
}
/*else
{
printf("ReadinContact::%s\\n", strerror(errno));
return;
}*/
}
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