C語言實現通訊錄小項目

#include <stdio.h>
#include "contact.h"
void menu()
{
 printf("*********************************************\n");
 printf("****** 1. add                2.del     ******\n");
 printf("****** 3. search            4. modify  ******\n");
 printf("****** 5. show              6. sort    ******\n");
 printf("****** 0. exit                         ******\n");
 printf("*********************************************\n");
}
int main()
{
 int input = 0;
 //創建通訊錄
 struct Contact con;//con就是通訊錄
    //初始化通訊錄
 IintContact(&con);
 do
 {
  menu();
  printf("請選擇:>");
  scanf("%d",&input);
  switch (input)
  {
  case ADD:
   AddContact(&con);
   break;
  case DEL:
   DelContact(&con);
   break;
  case SEARCH:
   SearchContact(&con);
   break;
  case MODIFY:
   ModifyContact(&con);
   break;
  case SHOW:
   ShowContact(&con);
   break;
  case SORT:
   break;
  case EXIT:
   printf("退出通訊錄\n");
   break;
  default:
   printf("選擇錯誤\n");
   break;
  }
 }while(&con);
 return 0;
}

#include "contact.h"

void IintContact(struct Contact* ps)
{
 memset(ps->data, 0, sizeof(ps->data));
 ps->size = 0;//設置通訊錄最初隻有0個元素
}

void AddContact(struct Contact *ps)
{
 if (ps->size == MAX)
 {
  printf("通訊錄已滿，無法增加\n");
 }
 else
 {
  printf("請輸入名字:>");
  scanf("%s",ps->data[ps->size].name);
  printf("請輸入性別:>");
  scanf("%s", ps->data[ps->size].sex);
  printf("請輸入年齡:>");
  //年齡%d用取地址符不會發生訪問沖突
  scanf("%d",&ps->data[ps->size].age);
  printf("請輸入電話:>");
  scanf("%s",ps->data[ps->size].tele);
  printf("請輸入住址:>");
  scanf("%s",ps->data[ps->size].addr);

  ps->size++;
  printf("添加成功\n");
 }
}

void ShowContact(struct Contact *ps)
{
 if (ps->size == 0)
 {
  printf("通訊錄為空\n");
 }
 else
 {
  int i = 0;
  //-左對齊   打印標題
  printf("%-20s\t%-5s\t%-4s\t%-12s\t%-20s\n", "名字", "性別", "年齡", "電話", "住址");
  //打印數據
  for (i = 0; i < ps->size; i++)
  {
   printf("%-20s\t%-5s\t%-4d\t%-12s\t%-20s\n",
    ps->data[i].name,
    ps->data[i].sex,
    ps->data[i].age,
    ps->data[i].tele,
    ps->data[i].addr);
  }
 }
}
//專門的查找函數
//static 使findByName函數隻能在源文件內部可以看到，其他位置看不到也無法使用
static int FindByName(const struct Contact* ps, char name[MAX_NAME])
{
 int i = 0;
 for (i = 0; i < ps->size; i++)
 {
  if (0 == strcmp(ps->data[i].name, name))
  {
   return i;//找到返回下標
  }
 }
 return -1;//找不到的情況下
}
void DelContact(struct Contact *ps)
{
 char name[MAX_NAME];
 printf("請輸入要刪除的名字:>");
 scanf("%s", name);
 //1.查找要刪除人的位置
 //找到瞭返回名字所在元素的下標
 //找不到返回-1
 int pos = FindByName(ps, name);
 //2.刪除
 if (pos==-1)
 {
  printf("找不到要刪除的人\n");
 }
 else
 {
  int j = 0;
  for (j = pos; j <ps->size-1; j++)
  {
   ps->data[j] = ps->data[j + 1];
  }
  ps->size--;
  printf("刪除成功\n");
 }

}

void SearchContact(const struct Contact *ps)
{
 char name[MAX_NAME];
 printf("請輸入要查找人的姓名:>");
 scanf("%s",name);
 int pos = FindByName(ps, name);
 if (pos == -1)
 {
  printf("找不到相關聯系人\n");
 }
 else
 {
  printf("%-20s\t%-5s\t%-4s\t%-12s\t%-20s\n", "名字", "性別", "年齡", "電話", "住址");
  printf("%-20s\t%-5s\t%-4d\t%-12s\t%-20s\n",
   ps->data[pos].name,
   ps->data[pos].sex,
   ps->data[pos].age,
   ps->data[pos].tele,
   ps->data[pos].addr);
 }
}

void ModifyContact(struct Contact *ps)
{
 char name[MAX_NAME];
 printf("請輸入要修改的聯系人的名字\n");
 scanf("%s",name);
 int pos = FindByName(ps, name);
 if (pos == -1)
 {
  printf("找不到要修改的聯系人\n");
 }
 else
 {
  printf("請輸入名字:>");
  scanf("%s", ps->data[pos].name);
  printf("請輸入性別:>");
  scanf("%s", ps->data[pos].sex);
  printf("請輸入年齡:>");
  scanf("%d", &ps->data[pos].age);
  printf("請輸入電話:>");
  scanf("%s", ps->data[pos].tele);
  printf("請輸入住址:>");
  scanf("%s", ps->data[pos].addr);

  printf("修改成功！\n");
 }
}

#include <stdio.h>
#include <string.h>

#define MAX 1000

#define MAX_NAME 20
#define MAX_SEX 5
#define MAX_TELE 12
#define MAX_ADDR 30

enum Option
{
 EXIT,
 ADD,
 DEL,
 SEARCH,
 MODIFY,
 SHOW,
 SORT,
};
struct PeoInfo
{
 char name[MAX_NAME];
 int age;
 char sex[MAX_SEX];
 char tele[MAX_TELE];
 char addr[MAX_ADDR];
};

//通訊錄的類型
struct Contact
{
 struct PeoInfo data[MAX];//存放一個聯系人信息
 int size;//記錄當前已有的聯系人個數
};

// 聲明函數
//初始化通訊錄
void IintContact(struct Contact *ps);
//增加一個信息到通訊錄
void AddContact(struct Contact *ps);
//打印通訊錄中的信息
void ShowContact(const struct Contact *ps);
//刪除指定聯系人信息
void DelContact(struct Contact *ps);
//查找指定聯系人信息
void SearchContact(const struct Contact *ps);
//修改指定聯系人信息
void ModifyContact(struct Contact *ps);