通讯录的实现
16lz
2021-02-01
text.c
#define _CRT_SECURE_NO_WARNINGS 1#include <stdio.h>#include "contact.h"void menu(){ printf("==================================\n"); printf("== 1.add增加 2.del删除 ==\n"); printf("== 3.search查找 4.modify修改==\n"); printf("== 5.show显示 6.sort排序 ==\n"); printf("== 0.exit退出 ==\n"); printf("==================================\n");}int main(){ int input=0; struct Contact con; //con就是通讯录，里面包含1000个元素的数组和size InitContact(&con); //初始化通讯录 do { menu(); printf("请选择:>"); scanf("%d", &input); switch (input) { case ADD: AddContact(&con); //添加信息 break; case DEL: DelContact(&con); break; case SEARCH: SearchContact(&con); break; case MODIFY: ModifyContact(&con); break; case SHOW: ShowContact(&con); //打印信息 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;}contact.h
#define _CRT_SECURE_NO_WARNINGS 1#include <stdio.h>#include <string.h>#define MAX 1000#define MAX_NAME 20#define MAX_SEX 5#define MAX_TELE 12#define MAX_ADDR 30enum Option{ EXIT,//0 ADD,//1 DEL,//2 SEARCH,//3 MODIFY,//4 SHOW,//5 SORT//6};struct Peoinfo{ char name[MAX_NAME]; //名字 int age; //年龄 char sex[MAX_SEX]; //性别 char tele[MAX_TELE]; //电话 char addr[MAX_ADDR]; //住址};//通讯录类型struct Contact{ struct Peoinfo data[MAX]; //存放一个类型 int size; //记录当前已有元素个数};//声明函数//初始化通讯录void InitContact(struct Contact* ps);//添加一个信息到通讯录void AddContact(struct Contact* ps);//打印通讯录的内容void ShowContact(const struct Contact* ps);//删除通讯录的一个信息void DelContact(struct Contact* ps);//查找void SearchContact(const struct Contact* ps);//修改void ModifyContact(struct Contact* ps);//排序void SortContact(struct Contact* ps);contact.c
#define _CRT_SECURE_NO_WARNINGS 1#include <stdio.h>#include <string.h>#include "contact.h"//初始化通讯录void InitContact(struct Contact* ps){ //memset 内存设置，把整个数组设置为一个值 memset(ps->data, 0, sizeof(ps->data)); ps->size = 0; //设置通讯录最初只有0}//增加一个元素到通讯录里面void AddContact(struct Contact* ps){ if (ps->size == MAX){ printf("通讯录已满,无法增加"); } 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\n"); } else { int i = 0; printf("%-20s\t%-4s\t%-5s\t%-12s\t%-20s\n", "名字", "年龄", "性别", "电话", "地址"); //%后面加数字是占多少各 \t是tab -号是左对齐 for ( i = 0; i < ps->size; i++) { printf("%-20s\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静态变量 只能在这个文件内部使用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; } } return -1;}void DelContact(struct Contact* ps){ char name[MAX_NAME]; printf("请输入要删除人的名字:>"); scanf("%s", name); //1.查找要删除的人的位置 //我们希望这个函数找到返回元素的下标，找不到返回-1 int pos=FindByname(ps,name); //2.删除 if (pos==-1) { printf("你要删除的人不存在\n"); } else { 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("要查找的人不存在"); } else { printf("%-20s\t%-4s\t%-5s\t%-12s\t%-20s\n", "名字", "年龄", "性别", "电话", "地址"); //%后面加数字是占多少各 \t是tab -号是左对齐 printf("%-20s\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("请输入要修改人的名字:>"); scanf("%s", name); int pos = FindByname(ps, name); if (pos == -1){ printf("要修改的信息不存在"); } 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("通讯录为空\n"); } else{ int i = 0; for (i = 0; i < ps->size-1; i++) { printf("%d\n",strcmp(ps->data[i].name, ps->data[i + 1].name)); if (1 > strcmp(ps->data[i].name, ps->data[i + 1].name)){ } else{ struct Peoinfo count = ps->data[i + 1]; ps->data[i + 1] = ps->data[i]; ps->data[i] = count; } } }}更多相关文章
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