新人求助！麻烦各位帮我看看这程序错在哪里
#include <stdio.h>#include <stdlib.h>
#include <string.h>
typedef struct
{
char name[15];
char tel[15];
char Email[30];
char QQ[15];
}people;
void Menu();
void Add();
int Isused(char *tel);
void Display();
void Serch();
void Modify();
void Delete();
void main()
{
Menu();
}
void Menu()
{
int m;
while (1)
{
printf("\t\t\t欢迎使用手机通讯录");
printf("**********************************************************");
printf("**\t<<-1->>所有联系人\t\t**");
printf("**\t<<-2->>添加加联系人\t\t**");
printf("**\t<<-3->>查找加联系人\t\t**");
printf("**\t<<-4->>修改联系人\t\t**");
printf("**\t<<-5->>删除联系人\t\t**");
printf("**\t<<-0->>退出通讯录\t\t**");
printf("**********************************************************");
printf("\n请按数字进行选择：");
scanf("%d",&m);
if (m>=0&&m<=5)
{
switch(m)
{
case 1:Display();break;
case 2:Add();break;
case 3:Serch();break;
case 4:Delete();break;
case 5:Modify();break;
case 0:exit(0);
}
printf("\n\n操作完毕，请再次选择！");
}
else
printf("\n\n选择错误，请再次选择！");
}
}
void Display()
{
people one;
FILE *fp;
if((fp=fopen("通讯录.txt"."rt"))==NULL)
{
printf("\n打开文件失败！");
exit(0);
}
printf("\n\n%20s\n","---联系人列表---");
printf("\n%-10s%-10s%-10s%-15s\n","姓名","联系电话","E-mail","QQ号码");
fread(&one,sizeof(people),1,fp);
while (!feof(fp))
{
printf("%-10s%-10s%-10s%-10s\n",one.name,one.tel,one.Email,one.QQ);
fread(&one,sizeof(people),1,fp);
}
fclose(fp);
}
void Add()
{
people one;
FILE *fp;
int flag=0;
if((fp=fopen("通讯录.txt"."r"))==NULL)
{
printf("\n打开文件失败！");
exit(0);
}
printf("\n---请依次输入你要添加的联系人信息---/n");
printf("\n姓 名：");
scanf("%s",one.name);
printf("\n联系电话：");
scanf("%s",one.tel);
while (!flag)
{
flag=Isused(one.tel);
if(!flag)
{
printf("你输入的联系电话重复，请重新输入：");
scanf("%s",one.tel);
}
}
printf("\nE-mail：");
scanf("%s",one.Email);
printf("\nQQ号码：");
scanf("%s",one.QQ);
if (fwrite(&one,sizeof(people),1,fp))
printf("写入信息错误！\n");
fclose(fp);
}
int Isused(char *tel)
{
people one;
FILE *fp;
if((fp=fopen("通讯录.txt"."r"))==NULL)
{
printf("\n打开文件失败！");
exit(0);
}
fread(&one,sizeof(people),1,fp);
while (!feof(fp))
{
if (strcmp(tel,one.tel)==0)
{
fclose(fp);
return 0;
}
fread(&one,sizeof(people),1,fp);
}
fclose(fp);
return 1;
}
void Serch()
{
people one;
FILE *fp;
int k=0;
char na[15];
if((fp=fopen("通讯录.txt"."r"))==NULL)
{
printf("\n打开文件失败！");
exit(0);
}
fread(&one,sizeof(people),1,fp);
while (!feof(fp))
{
if (strcmp(na,one.name)==0)
{
k++;
if (k==1)
{
printf("查到姓名为%s的信息：\n",na);
printf("\n%-10s%-10s%-10s%-15s\n","姓名","联系电话","E-mail","QQ号码");
}
printf("%-10s%-10s%-10s%-10s\n",one.name,one.tel,one.Email,one.QQ);
}
fread(&one,sizeof(people),1,fp);
}
if(k==0)
printf("\n\n对不起，没有此人信息！");
else
printf("\n\n此次共查到姓名为%s的信息%d条！\n",k,na);
}
void Modify()
{
int k=0;
long a;
char na[15];
FILE *fp;
people one;
printf("\n请输入你要修改的联系人姓名：");
scanf("%s",na);
if((fp=fopen("通讯录.txt"."rt+"))==NULL)
{
printf("\n打开文件失败！");
exit(0);
}
a=ftell(fp);
fread(&one,sizeof(people),1,fp);
while (!feof(fp))
{
if (!strcmp(na,one.name))
{
k=1;
break;
}
a=ftell(fp);
fread(&one,sizeof(people),1,fp);
}
if (k)
{
printf("查到姓名为%s的信息，原信息为：\n",na);
printf("\n%-10s%-10s%-10s%-15s\n","姓名","联系电话","E-mail","QQ号码");
printf("%-10s%-10s%-10s%-10s\n",one.name,one.tel,one.Email,one.QQ);
printf("\n请依次输入新信息\n");
printf("\n姓 名：");
scanf("%s",one.name);
printf("\n联系电话：");
scanf("%s",one.tel);
printf("\nE-mail：");
scanf("%s",one.Email);
printf("\nQQ号码：");
scanf("%s",one.QQ);
fseek(fp,a,0);
if(fwrite(&one,sizeof(people),1,fp)!=1)
printf("写入信息错误!\n");
}
else
printf("\n对不起，没有该联系人，无法进行修改");
fclose(fp);
}
void Delete()
{
int m,k=0;
long a,b;
char na[15];
FILE *fp1,*fp2;
people one;
printf("\n请输入你要删除的联系人姓名：");
scanf("%s",na);
if((fp1=fopen("通讯录.txt","rt+"))==NULL)
{
printf("打开文件失败！");
exit(0);
}
if ((fp2=fopen("备用.txt","wt+"))==NULL)
{
printf("\n打开文件失败！");
exit(0);
}
fread(&one,sizeof(people),1,fp1);
while (!feof(fp1))
{
if (strcmp(na,one.name)==0)
{
k=1;
b=ftell(fp1);
break;
}
if(fwrite(&one,sizeof(people),1,fp2)!=1)
printf("写入信息错误！\n");
fread(&one,sizeof(people),1,fp1);
}
if (k==1)
{
printf("查到姓名为%s的信息，详细信息为：\n",na);
printf("\n%-10s%-10s%-10s%-15s\n","姓名","联系电话","E-mail","QQ号码");
printf("%-10s%-10s%-10s%-10s\n",one.name,one.tel,one.Email,one.QQ);
printf("是否删除该联系人？按1为取消；按0为删除\n");
scanf("%d",&m);
if (m==0)
{
fseek(fp1,b,0);
fread(&one,sizeof(people),1,fp1);
while (!feof(fp1))
{
if(fwrite(&one,sizeof(people),1,fp2)!=1)
printf("写入信息错误！\n");
fread(&one,sizeof(people),1,fp1);
}
rewind(fp2);
fclose(fp1);
if ((fp1=fopen("通讯录.txt","wt"))==NULL)
{
printf("\n打开文件失败！");
exit(0);
}
fread(&one,sizeof(people),1,fp2);
while (!feof(fp2))
{
if(fwrite(&one,sizeof(people),1,fp1)!=1)
printf("写入信息错误！\n");
fread(&one,sizeof(people),1,fp2);
}
fclose(fp1);
fclose(fp2);
}
}
else
{
printf("\n对不起，没有此人信息！");
fclose(fp1);
fclose(fp2);
}
}
