master
commit 95d75d017c

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421.c

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#include<stdio.h>
#include<stdlib.h>
#include<string.h>
typedef struct
{
char name[10];
char jiguan[20];
long long num1;
long long num2;
char email[20];
}person;
void xinjian(FILE *p);
void liulan(FILE *p);
void chaxun(FILE *p);
void xiugai(FILE *p);
int shanchu(FILE *p);
int count=0;
FILE *p;
person lxr;
void main()
{
char next='Y';
char ch;
int b;
while(next=='Y')
{
printf("---------欢迎使用讯通讯录---------\n");
printf("功能目录:\n");
printf("1:新建联系人\n");
printf("2:查看联系人\n");
printf("3:查找联系人\n");
printf("4:修改联系人信息\n");
printf("5:删除联系人\n");
printf("6:退出通讯录\n");
int c;
printf("请输入序号:");
scanf("%d",&c);
switch(c)
{
case 1:xinjian(p);
break;
case 2:liulan(p);
break;
case 3:chaxun(p);
break;
case 4:xiugai(p);
break;
case 5:b=shanchu(p);
break;
case 6:printf("感谢您的使用");
break;
default:printf("请输入正确的序号:\n");
break;
}
if(c==6)
next='N';
else
{
printf("继续使用系统功能:Y\n退出:其他字母\n");
if(c==5)
scanf("%c",&next);
else
scanf("%c%c",&ch,&next);
}
}
}
void xinjian(FILE *p)
{
char next='Y';
p=fopen("txl.sto","rb+");
if(p==NULL)
p=fopen("txl.sto","wb+");
fseek(p,0,SEEK_END);
while(next=='Y')
{
printf("姓名:\n");
scanf("%s",lxr.name);
printf("籍贯:\n");
scanf("%s",lxr.jiguan);
printf("电话号码1:\n");
scanf("%lld",&lxr.num1);
printf("电话号码2:\n");
scanf("%lld",&lxr.num2);
printf("邮箱:\n");
scanf("%s",lxr.email);
fwrite(&lxr,sizeof(lxr),1,p);
fflush(stdin);
printf("是否继续进行建立新联系人;\n是:Y\n否:其他字母\n");
next=getchar();
count=count+1;
}
fclose(p);
}
void liulan(FILE *p)
{ int i=0;
p=fopen("txl.sto","rb+");
if(p==NULL)
{
printf("通讯录为空,请建立新联系人!\n");
fclose(p);
}
else
{
rewind(p);
printf("\n\nItem list-------------------------------------1\n");
printf("姓名 籍贯 电话号码1 电话号码2 邮箱\n");
fread(&lxr,sizeof(lxr),1,p);
while(!feof(p))
{
printf("%s %s %lld %lld %s\n",lxr.name,lxr.jiguan,lxr.num1,lxr.num2,lxr.email);
fread(&lxr,sizeof(lxr),1,p);
}
fclose(p);
}
}
void chaxun(FILE *p)
{
int i=0;
p=fopen("txl.sto","rb+");
if(p==NULL)
{
printf("通讯录为空,请建立新联系人!\n");
fclose(p);
}
else
{
char mingzi[20];
printf("请输入要查询的用户名:\n");
scanf("%s",mingzi);
fread(&lxr,sizeof(lxr),1,p);
while(!feof(p))
{
if(strcmp(mingzi,lxr.name)==0)
{
printf("姓名: 籍贯: 电话号码1: 电话号码2: 邮箱:\n");
printf("%s %s %lld %lld %s\n",lxr.name,lxr.jiguan,lxr.num1,lxr.num2,lxr.email);
i=i+1;
}
fread(&lxr,sizeof(lxr),1,p);
}
if(i==count&&(strcmp(mingzi,lxr.name)!=0))
printf("无该联系人\n");
fclose(p);
}
}
void xiugai(FILE *p)
{
rewind(p);
p=fopen("txl.sto","rb+");
if(p==NULL)
{
printf("通讯录为空,请建立新联系人!\n");
fclose(p);
}
else
{
char mingzi[20];
printf("请输入要修改的有用户名:\n");
scanf("%s",mingzi);
while(!feof(p))
{
fread(&lxr,sizeof(lxr),1,p);
if(strcmp(mingzi,lxr.name)==0)
{
char next='Y';
printf("1.姓名:%s\n",lxr.name);
printf("2.籍贯:%s\n",lxr.jiguan);
printf("3.电话号码1:%lld\n",lxr.num1);
printf("4.电话号码2:%lld\n",lxr.num2);
printf("5.邮箱:%s\n",lxr.email);
printf("6.取消\n");
while(next=='Y')
{
int c;
printf("请输入序号:");
scanf("%d",&c);
switch(c)
{
case 1:printf("请修改姓名:");
scanf("%s",lxr.name);
break;
case 2:printf("请修改籍贯:");
scanf("%s",lxr.jiguan);
break;
case 3:printf("请修改电话号码1:");
scanf("%s",lxr.num1);
break;
case 4:printf("请修改电话号码2:");
scanf("%s",lxr.num2);
break;
case 5:printf("请修改邮箱:");
scanf("%s",lxr.email);
break;
default:printf("输入错误");
break;
}
printf("继续修改:Y\n停止修改:其他字母\n");
getchar();
next=getchar();
}
fseek(p,-sizeof(lxr),SEEK_CUR);
fwrite(&lxr,sizeof(lxr),1,p);
printf("修改成功!\n");
fclose(p);
return ;
}
}
printf("没有该联系人\n");
fclose(p);
return;
}
}
int shanchu(FILE *p)
{
p=fopen("txl.sto","rb+");
if(p==NULL)
{
printf("通讯录为空,请建立新联系人!\n");
fclose(p);
return 0;
}
else
{
person b;
person blank={};
char name[20];
int c=0;
rewind(p);
printf("请输入您要删除的联系人名称:");
scanf("%s",name);
fflush(stdin);
while(!feof(p))
{
fread(&b,sizeof(b),1,p);
if(strcmp(name,b.name)==0)
{
fseek(p,-sizeof(b),SEEK_CUR);
fwrite(&blank,sizeof(blank),1,p);
printf("删除成功!\n");
fclose(p);
c=c+1;
return 0;
}
}
if(c==count&&(strcmp(name,b.name)!=0))
printf("无该联系人!\n");
fclose(p);
return 0;
}
}

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