通讯录管理系统

contact.h
#define MAX 1000

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

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

enum Option
{
	EXIT,//0
	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];
}; 
//通讯录类型
struct Contact
{
	struct PeoInfo data[MAX];//存放一个信息
	int size;//记录当前已有的元素个数
};
//声明函数
//初始化通讯录的函数
void InitContact(struct Contact* ps);

//增加一个信息的函数
void AddContact(struct Contact* ps);

//打印通讯录中的信息
void ShowContact(const struct Contact* ps);

//删除指定联系人
void DelContact(struct Contact* ps);

//查找指定联系人
void SearchContact(const struct Contact* ps);

//修改指定联系人
void ModifyContact(struct Contact* ps);

//排序通讯录内容
void SortContact(struct Contact* ps);

contact.c #include "contact.h"

void InitContact(struct Contact* ps) { memset(ps->data, 0, sizeof(ps->data)); ps->size = 0;//设置通讯录最初只有0个元素 }

void AddContact(struct Contact* ps) { if (ps->size == MAX) { printf("通讯录已满,无法增加\n"); } else { printf("请输入名字:>"); 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("请输入地址:>"); scanf("%s", ps->data[ps->size].addr);

	ps->size++;
	printf("添加成功\n");
}

}

void ShowContact(const struct Contact* ps) { if (ps->size == 0) { printf("通讯录为空白\n"); } else { int i = 0; printf("%-8s\t%-4s\t%-5s\t%-12s\t%-20s\n", "名字", "年龄", "性别", "电话", "地址"); for (i = 0; i < ps->size; i++) { printf("%-8s\t%-4d\t%-5s\t%-12s\t%-20s\n", ps->data[i].name, ps->data[i].age, ps->data[i].sex, ps->data[i].tele, ps->data[i].addr); } } }

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; } } return -1;//找不到返回 -1 }

void DelContact(struct Contact* ps) { char name[MAX_NAME]; printf("请输入要删除的人的名字:>"); scanf("%s", name); //1.查找删除的人的位置 //找到了返回名字所在元素的下标 //找不到返回 -1 int pos = FindByName(ps, name); //2.删除 if (pos == -1) { printf("要删除的人不存在\n"); } else { //删除数据 int j = 0; for (j = pos; j < ps->size-1; j++) { ps->data[j] = ps->data[j + 1]; } ps->size--; printf("删除成功\n"); } }

void SearchContact(const struct Contact* ps) { char name[MAX_NAME]; printf("请输入要查找人的名字:>"); scanf("%s", name); int pos = FindByName(ps, name); if (pos == -1) { printf("查无此人\n"); } else { printf("%-8s\t%-4s\t%-5s\t%-12s\t%-20s\n", "名字", "年龄", "性别", "电话", "地址"); printf("%-8s\t%-4d\t%-5s\t%-12s\t%-20s\n", ps->data[pos].name, ps->data[pos].age, ps->data[pos].sex, ps->data[pos].tele, ps->data[pos].addr); } }

void ModifyContact(struct Contact* ps) { char name[MAX_NAME]; printf("请输入要修改的联系人的姓名:>"); scanf("%s", name); int pos = FindByName(ps, name); if (pos == -1) { printf("要修改联系人不存在"); } else { printf("请输入名字:>"); scanf("%s", ps->data[pos].name); printf("请输入年龄:>"); scanf("%d", &(ps->data[pos].age)); printf("请输入性别:>"); scanf("%s", ps->data[pos].sex); printf("请输入电话:>"); scanf("%s", ps->data[pos].tele); printf("请输入地址:>"); scanf("%s", ps->data[pos].addr);

	printf("修改完成\n");
}

}

void SortContact(struct Contact* ps) { if (ps->size == 0) { printf("通讯录中无联系人，排序错误,请先添加联系人\n"); } else { int i, j; for (i = 0; i < ps->size; i++) { for (j = 0; j < ps->size - i - 1; j++) { if (strcmp(ps->data[j].name, ps->data[j + 1].name) > 0) { printf("1"); struct PeoInfo str = ps->data[j]; ps->data[j] = ps->data[j + 1]; ps->data[j + 1] = str; } } } printf("按照姓氏已排序完成\n"); } }

#include "contact.h"

void menu()
{
    printf("****************************\n");
    printf("****  1.add     2.del    ***\n");
    printf("****  3.serch   4.modify  **\n");
    printf("****  5.show    6.sort   ***\n");
    printf("****  0.exit    ************\n");
    printf("****************************\n");
}
int main()
{
    int input = 0;
    //创建通讯录
    struct Contact con;//con就是通讯录，里边包含：1000个元素的数和size
    //初始化通讯录 
    InitContact(&con);
    //
    do
    {
        menu();
        printf("请选择:>");
        scanf_s("%d", &input);
        switch (input)
        {
        case ADD:
            AddContact(&con);
            break;
        case DEL:
            DelContact(&con);
            break;
        case SEARCH:
            SearchContact(&con);
            break;
        case MODIFY:
            ModifyContact(&con);
        case SHOW:
            ShowContact(&con);
            break;
        case SORT:
            SortContact(&con);
            break;
        case EXIT:
            printf("退出通讯录\n");
            break;
        default:
            printf("选择错误\n");
            break;
        }
    } while (input);
    return 0;
}