求〈c语言〉课程设计 通讯录管理系统

望采纳

#include
#include
#include

typedef struct
{
char score; /*编号*/
char name[10]; /*姓名*/
char num[15]; /*号码*/
char email[20]; /*邮箱*/
char age[8]; /*年龄*/
char adds[20]; /*住址*/
}Person;

Person pe[80];

//登陆函数
logon()
{printf("\n\n\n\t\t\t 通讯录管理系统\n\n");
printf("\t\t\t 版本号：1.0\n\n");
printf("\n\n\n\n\n\t\t\t 2011年4月29日\n\n");
printf("\t\t\t 程序设计第三组\n");
system("pause");
}
int menu_select()
{ char c;
logon();
do{
system("cls");
printf("\t\t *****通讯录***** \n");
printf("\t\t┌───────┐\n");
printf("\t\t│ 1. 添加记录 │\n");
printf("\t\t│ 2. 显示记录 │\n");
printf("\t\t│ 3. 删除记录 │\n");
printf("\t\t│ 4. 查询记录 │\n");
printf("\t\t│ 5. 修改记录 │\n");
printf("\t\t│ 6. 保存记录 │\n");
printf("\t\t│ 0. 退出程序 │\n");
printf("\t\t└───────┘\n");
printf("\t\t请您选择(0-6):");
c=getchar();
}while(c<'0'||c>'6');
return(c-'0');
}

int Input(Person per[],int n)
{
int i=0;
char sign,x[10];
while(sign!='n'&&sign!='N')
{
printf("\t编号:");
scanf("\t%d",&per[n+i].score);
printf("\t姓名:");
scanf("\t%s",per[n+i].name);
printf("\t年龄:");
scanf("\t%s",per[n+i].age);
printf("\t电话号码:");
scanf("\t%s",per[n+i].num);
printf("\t通讯住址:");
scanf("\t%s",per[n+i].adds);
printf("\t电子邮箱:");
scanf("\t%s",per[n+i].email);

gets(x);
printf("\n\t是否继续添加?(Y/N)");
scanf("\t%c",&sign);
i++;
}
return(n+i);
}

void Display(Person per[],int n)
{
int i;
printf("----------------------------------------------------------------------\n"); /*格式*/
printf("编号 姓名 年龄 电话号码 通讯地址 电子邮箱\n");
printf("----------------------------------------------------------------------\n");
for(i=1;i {
printf("%-5d%-8s%-6s%-13s%-15s%-15s\n",per[i-1].score,per[i-1].name,per[i-1].age,per[i-1].num,per[i-1].adds,per[i-1].email);
if(i>1&&i%10==0)
{
printf("\t-----------------------------------\n");
printf("\t");
system("pause");
printf("\t-----------------------------------\n");
}
}
printf("----------------------------------------------------------------------\n");
system("pause");
}

int Delete_a_record(Person per[],int n)
{
char s[20];
int i=0,j;
printf("\t请输入想删除记录中的名字:");
scanf("%s",s);
while(strcmp(per[i].name,s)!=0&&i if(i==n)
{
printf("\t通讯录中没有此人!\n");
return(n);
}
for(j=i;j {
strcpy(per[j].num,per[j+1].num);
strcpy(per[j].name,per[j+1].name);
strcpy(per[j].age,per[j+1].age);
strcpy(per[j].adds,per[j+1].adds);
strcpy(per[j].email,per[j+1].email);
per[j].score=per[j+1].score;
}
printf("\t\t\t已经成功删除!\n");
return(n-1);
}

void Query_a_record(Person per[],int n)
{

int m;
printf("\t\n请选择查询方式:\n");
printf("\t┌──────┐\n");
printf("\t│1------姓名 │\n");
printf("\t│2------电话 │\n");
printf("\t│3------地址 │\n");
printf("\t│4------返回 │\n");
printf("\t└──────┘\n");
printf("请选择:");
scanf("%d",&m);
while(m!=1&&m!=2&&m!=3&&m!=4)
{
printf("输入错误，请重新选择:");
scanf("%d",&m);
}

if(m==1)
{
char s[20];
int i=0;
printf("\t请输入想查询的姓名:");
scanf("\t%s",s);
while(strcmp(per[i].name,s)!=0&&i if(i==n)
{
printf("\t通讯录中没有此人!\n");
return;
}
printf("\t此人编号: %d\n",per[i].score);
printf("\t此人年龄: %s\n",per[i].age);
printf("\t电话号码: %s\n",per[i].num);
printf("\t通讯地址: %s\n",per[i].adds);
printf("\t电子邮箱: %s\n",per[i].email);
} ;

if(m==2)
{
char s[20];
int i=0;
printf("\t请输入想查询的电话:");
scanf("\t%s",s);
while(strcmp(per[i].num,s)!=0&&i if(i==n)
{
printf("\t通讯录中没有此人!\n");
return;

}
printf("\t此人编号: %d\n",per[i].score);
printf("\t此人姓名: %s\n",per[i].name);
printf("\t此人年龄: %s\n",per[i].age);
printf("\t通讯地址: %s\n",per[i].adds);
printf("\t电子邮箱: %s\n",per[i].email);
} ;

if(m==3)
{
char s[20];
int i=0;
printf("\t请输入想查询的地址:");
scanf("\t%s",s);
while(strcmp(per[i].adds,s)!=0&&i if(i==n)
{
printf("\t通讯录中没有此人!\n");
return;
}
printf("\t此人编号: %d\n",per[i].score);
printf("\t此人姓名: %s\n",per[i].name);
printf("\t此人年龄: %s\n",per[i].age);
printf("\t电话号码: %s\n",per[i].num);
printf("\t电子邮箱: %s\n",per[i].email);
} ;
}

void Change(Person per[],int n)
{
char s[20];
int i=0;
printf("\t请输入想修改的记录中的名字:");
scanf("%s",s);
while(strcmp(per[i].name,s)!=0&&i if(i==n)
{
printf("\t通讯录中没有此人!\n");
return;
}
printf("\t编号:");
scanf("\t%d",&per[i].score);
printf("\t姓名:");
scanf("\t%s",per[i].name);
printf("\t年龄:");
scanf("\t%s",per[i].age);
printf("\t电话号码:");
scanf("\t%s",per[i].num);
printf("\t通讯住址:");
scanf("\t%s",per[i].adds);
printf("\t电子邮箱:");
scanf("\t%s",per[i].email);
printf("\t修改成功！");
}

void WritetoText(Person per[],int n)
{
int i=0;
FILE *fp; /*定义文件指针*/
char filename[20]; /*定义文件名*/
printf("\t保存到文件\n"); /*输入文件名*/
printf("\t请输入所保存的文件名:");
scanf("\t%s",filename);
if((fp=fopen(filename,"w"))==NULL)
{
printf("\t无法打开文件\n");
system("pause");
return;
}
fprintf(fp,"******************************************通讯录******************************************\n");
fprintf(fp,"编号 姓名 年龄 电话号码 通讯地址 电子邮箱\n");
fprintf(fp,"------------------------------------------------------------------------------------------\n");
while(i {
fprintf(fp,"%-3d\t%-6s\t%-3s\t%-13s\t%-20s\t%-20s\n",per[i].score,per[i].name,per[i].age,per[i].num,per[i].adds,per[i].email);
i++;
}
fprintf(fp,"------------------------------------------------------------------------------------------\n");
fprintf(fp,"***************************************共有%d条记录****************************************\n",n);
fclose(fp); /*关闭文件*/
printf("保存成功!\n");
}

void main()
{
int n=0;
for(;;)
{
switch(menu_select())
{
case 1:
printf("\n\t添加记录到通讯录\n"); n=Input(pe,n);
break;

case 2:
printf("\n\t\t\t 通讯录记录表\n");
Display(pe,n);
break;

case 3:
printf("\n\t从通讯录中删除记录\n");
n=Delete_a_record(pe,n);
printf("\t");
system("pause");
break;

case 4:
printf("\n\t在通讯录中查找记录\n");
Query_a_record(pe,n);
printf("\t");
system("pause");
break;

case 5:
printf("\n\t修改通讯录中的记录\n");
Change(pe,n);
printf("\t");
system("pause");
break;

case 6:
printf("\n\t保存功能\n");
WritetoText(pe,n);
printf("\t");
system("pause");
break;

case 0:
printf("\n\t\t谢谢使用，再见!\n");
printf("\n\t\t");
system("pause");
exit(0);
}
}
}
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