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#include<stdio.h>
#include<stdlib.h>
#include<string.h>
void input();
void save();
void lookup();
void search();
void change();
void delete();
void quit();
void read();
struct Infor
{ int num;//編號
char name[20];//姓名
char phone[20];//電話
char kind[20];//類別
char mail[40];//郵件
}People[200];
int count=0;//記錄總人數
int count1;//記錄查詢、修改、刪除中查到的信息個數
void main()
{
int i;
read ();
while(1)
{
printf("\t\t\t通訊錄信息系統菜單\t\t\t\n");
printf("\t_________________________________________________\t\n");
printf("\n");
printf("\t\t\t 數據錄入(1)\t\t\t\n");
printf("\t\t\t 數據瀏覽(2)\t\t\t\n");
printf("\t\t\t 數據查詢(3)\t\t\t\n");
printf("\t\t\t 數據修改(4)\t\t\t\n");
printf("\t\t\t 數據刪除(5)\t\t\t\n");
printf("\t\t\t 退出(6)\t\t\t\n");
printf("\t__________________________________________________\t\n");
printf("\t\t\t請輸入菜單中對應項的數字\t\t\t\n");
scanf("%d",&i);
system("cls");
switch(i)
{
case 1: input(); break;//數據輸入
case 2: lookup(); break;//數據瀏覽
case 3: search(); break;//數據查詢
case 4: change(); break;//數據修改
case 5: delete(); break;//數據刪除*/
case 6: quit(); break;// 退出
}
}
}
//讀入文件
void read()
{
FILE *fp;
int i;
if((fp=fopen ("infor.dat","rb"))==NULL)
printf("文件無法打開，請檢查！\n");
for(i=0;i<200;i++)
{
if(fread(&People[i],sizeof(struct Infor),1,fp)==1)
count++;
else if(fread(&People[i],sizeof(struct Infor),1,fp)!=1) break;
}
fclose(fp);
}
//數據錄入
void input()
{ int i,k;
char j;
printf("\t\t\t 數據錄入(1)\t\t\t\n");
for(i=count;i<200;i++)
{
printf("請輸入姓名: ");
scanf("%s",People[i].name);
{for(k=0;k<count;k++) //錄入查重
if(strcmp(People[i].name,People[k].name)==0)
{printf("系統中已有此人，請重新輸入！\n");
input();
}
else continue;
}
printf("請輸入電話: ");
scanf("%s",People[i].phone);
printf("請輸入類別: ");
scanf("%s",People[i].kind);
printf("請輸入電子郵箱: ");
scanf("%s",People[i].mail);
count++;
People[i].num=count;
printf("繼續錄入嗎？y/n");
scanf(" %c",&j);
system("cls");
if(j=='y') continue;
else if(j=='n') main();
}
}
//數據保存
void save()
{FILE *fp;
int i;
if((fp=fopen ("infor.dat","wb"))==NULL)
{printf("文件無法打開，請檢查！\n");
return;
}
for(i=0;i<count;i++)
{if(fwrite(&People[i],sizeof(struct Infor),1,fp)!=1)
printf("寫入錯誤！\n");
}
fclose(fp);
}
//數據瀏覽
void lookup()
{
int i;
printf("\t\t\t 數據瀏覽(2)\t\t\t\n");
printf("\t編號\t姓名\t電話\t類別\t郵件\t\n");
for(i=0;i<count;i++)
printf("\t%d\t%s\t%s\t%s\t%s\t\n",People[i].num,People[i].name,People[i].phone,People[i].kind,People[i].mail);
printf("\t\t\t按任意鍵返回主菜單！\t");
getch();
system("cls");
}
//退出
void quit()
{
char i,j;
printf("\t\t\t 退出(6)\t\t\t\n");
printf("確認退出？y/n");
scanf(" %c",&j);
system("cls");
if(j=='n') return;
else if(j=='y')
{
printf("是否保存？y/n");
scanf(" %c",&i);
system("cls");
if(i=='y') {save();exit(0);}
else if(i=='n') exit(0);
}
}
//數據查詢
void search()
{
int i;
char j[20];
count1=0;
printf("\t\t\t 數據查詢(3)\t\t\t\n");
printf("請輸入要查詢的類別A、B、C\n");
scanf(" %s",j);
printf("\t姓名\t電話\t\n");
for(i=0;i<200;i++)
{
if(strcmp(j,People[i].kind)==0)
{printf("\t%s\t%d\t\n",People[i].name,People[i].phone);
count1++;
}
}
if(count1==0)
{system("cls");
printf("無此類別人員信息！\n");}
printf("\t\t\t按任意鍵返回主菜單！\t");
getch();
system("cls");
}
//數據修改
void change()
{
int i,k;
char j[20];
printf("\t\t\t 數據修改(4)\t\t\t\n");
printf("請輸入要修改信息人員的姓名：\n");
scanf(" %s",j);
printf("以下為該人員信息：\n");
printf("\t編號\t姓名\t電話\t類別\t郵件\t\n");
for(i=0;i<200;i++)
{
if(strcmp(j,People[i].name)==0)
printf("\t%d\t%s\t%s\t%s\t%s\n",People[i].num,People[i].name,People[i].phone,People[i].kind,People[i].mail);
else continue;
printf("\n");
printf("\t\t\t請輸入要修改的信息后對應序號:\t\t\t\n");
printf("\t\t\t 編號(1)\t\t\t\n");
printf("\t\t\t 姓名(2)\t\t\t\n");
printf("\t\t\t 電話(3)\t\t\t\n");
printf("\t\t\t 類別(4)\t\t\t\n");
printf("\t\t\t 郵箱(5)\t\t\t\n");
scanf(" %d",&k);
printf("該信息修改為:\n");
switch(k)
{
case 1: scanf(" %d",&People[i].num);break;
case 2: scanf(" %s",People[i].name);break;
case 3: scanf(" %s",People[i].phone);break;
case 4: scanf(" %s",People[i].kind);break;
case 5: scanf(" %s",People[i].mail);break;
}
printf("修改成功！\n");
printf("\t\t\t按任意鍵返回主菜單！\t");
getch();
system("cls");
}
}
//數據刪除
void delete()
{
int i,temp;
char j[20];
printf("\t\t\t 數據刪除(5)\t\t\t\n");
printf("請輸入要刪除信息人員的姓名：\n");
scanf(" %s",j);
printf("以下為該人員信息：\n");
printf("\t編號\t姓名\t電話\t類別\t郵件\t\n");
for(i=0;i<200;i++)
{
if(strcmp(j,People[i].name)==0)
printf("\t%d\t%s\t%s\t%s\t%s\t\n",People[i].num,People[i].name,People[i].phone,People[i].kind,People[i].mail);
else continue;
printf("\n");
for(i=i;i<200;i++)
{
temp=People[i].num;
People[i]=People[i+1];
People[i].num=temp;
}
}
printf("\t\t\t已刪除！\t\n");
printf("\t\t\t按任意鍵返回主菜單！\t");
getch();
system("cls");
}

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