#include<stdio.h>
struct person
{
char name[8];
char tel[15];
char addr[50];
};
char filename[20]="E:\\txl.txt";
FILE *fp;
void creat();
void output();
void search();
void append();
void modify();
void delete();
main( )
{
int m;
creat();
while(1)
{
printf("\n\t\t*********歡迎使用通訊錄信息管理系統*********\n\n");
printf("\n\t\t添加，請按1");
printf("\n\t\t查找，請按2");
printf("\n\t\t修改，請按3");
printf("\n\t\t刪除，請按4");
printf("\n\t\t輸出，請按5");
printf("\n\t\t退出，請按0\n");
printf("\n\t\t********************************************\n\n");
printf("Please select(0--5):");
scanf("%d",&m);
if(m>=0&&m<=5)
{
switch(m)
{
case 1: append();
break;
case 2: search();
break;
case 3: modify();
break;
case 4: delete();
break;
case 5: output();
break;
case 0: exit();
}
printf("\n\n操作完畢，請再次選擇！");
}
else
printf("\n\n選擇錯誤，請再次選擇！");
}
}
/*輸入模塊creat( )： 創建通訊錄的子函數。*/
void creat()
{
struct person one;
long s1;
/*printf("\n請輸入通訊錄文件名：");
scanf("%s",filename); */
if((fp=fopen(filename,"at+"))==NULL)
{
printf("\n不能建立通訊錄！");
exit();
}
fprintf(fp,"%-10s%-20s%-50s\n","姓名","電話號碼","住址");
printf("\n請輸入姓名、電話號碼及住址（以0結束）\n");
scanf("%s",one.name);
while(strcmp(one.name,"0"))
{
scanf("%s%s",one.tel,one.addr);
fprintf(fp,"%-10s%-20s%-50s\n",one.name,one.tel,one.addr);
scanf("%s",one.name);
}
fclose(fp);
}
/*輸出模塊output( )：輸出通訊錄中聯系人通訊信息的子函數*/
void output()
{
struct person one;
if((fp=fopen(filename,"r"))==NULL)
{
printf("\n不能打開通訊錄！");
exit();
}
printf("\n\n%20s\n","通 訊 錄");
while(!feof(fp))
{
fscanf(fp,"%s%s%s\n",one.name,one.tel,one.addr);
printf("%-10s%-20s%-50s",one.name,one.tel,one.addr);
}
fclose(fp);
}
/*添加模塊append( )：向通訊錄中添加某人通訊信息的子函數*/
void append()
{
struct person one;
if((fp=fopen(filename,"a"))==NULL)
{
printf("\n不能打開通訊錄！");
exit();
}
printf("\n請輸入添加的姓名、電話號碼及住址\n");
scanf("%s%s%s",one.name,one.tel,one.addr);
fprintf(fp,"%-10s%-20s%-50s\n",one.name,one.tel,one.addr);
fclose(fp);
}
/*查找模塊search( )：在通訊錄中查找某人通訊信息的子函數*/
void search()
{
int k=0;
char namekey[8];
struct person one;
printf("\n請輸入姓名:");
scanf("%s",namekey);
if((fp=fopen(filename,"rb"))==NULL)
{
printf("\n不能打開通訊錄！");
exit();
}
while(!feof(fp))
{
fscanf(fp,"%s%s%s\n",one.name,one.tel,one.addr);
if(!strcmp(namekey,one.name))
{
printf("\n\n已查到，記錄為：");
printf("\n%-10s%-18s%-50s",one.name,one.tel,one.addr);
k=1;
}
}
if(!k)
printf("\n\n對不起，通訊簿中沒有此人的記錄。");
fclose(fp);
}
/*修改模塊modify( )：在通訊錄中修改某人通訊信息的子函數*/
void modify()
{
int m,k=0;
long offset;
char namekey[8];
struct person one;
printf("\n請輸入姓名:");
scanf("%s",namekey);
if((fp=fopen(filename,"r+"))==NULL)
{
printf("\n不能打開通訊錄！");
exit();
}
while(!feof(fp))
{
offset=ftell(fp);
fscanf(fp,"%s%s%s\n",one.name,one.tel,one.addr);
if(!strcmp(namekey,one.name))
{
k=1;
break;
}
}
if(k)
{
printf("\n已查到，記錄為：");
printf("\n%-10s%-18s%-50s",one.name,one.tel,one.addr);
printf("\n請輸入新姓名、電話號碼及住址：");
scanf("%s%s%s",one.name,one.tel,one.addr);
fseek(fp,offset,SEEK_SET);
printf("%ld",ftell(fp));
fprintf(fp,"%-10s%-20s%-50s\n",one.name,one.tel,one.addr);
}
else
printf("\n對不起，通訊錄中沒有此人的記錄。");
fclose(fp);
}
/*刪除模塊delete( )：在通訊錄中刪除某人通訊信息的子函數*/
void delete()
{
int m,k=0,flag;
long offset1,offset2;
char namekey[8], valid[4];
struct person one;
printf("\n請輸入姓名:");
scanf("%s",namekey);
if((fp=fopen(filename,"r+"))==NULL)
{
printf("\n不能打開通訊錄！");
exit();
}
while(!feof(fp))
{
offset1=ftell(fp);
fscanf(fp,"%s%s%s\n",one.name,one.tel,one.addr);
if(!strcmp(namekey,one.name))
{
k=1;
break;
if(k)
{
printf("\n已查到，記錄為");
printf("\n%-10s%-18s%-50s",one.name,one.tel,one.addr);
printf("\n確實要刪除,按1；不刪除，按0：");
scanf("%d",&m);
if(m)
{
fseek(fp,offset1,SEEK_SET);
fprintf(fp,"%-10s%-20s%-50s\n","","","");
}
else
printf("\n對不起，通訊錄中沒有此人的記錄。");
fclose(fp);
}
}
}
}
<PIXTEL_MMI_EBOOK_2005>1###########################################################</PIXTEL_MMI_EBOOK_2005>