#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <windows.h>
//定义函数 
FILE *fp;										//文件指针 
void menu();
void add();
void search();
void modify();
void dele();
void look();
void quit();
void enroll();
void login();
void reenroll();
void jiemian();
void ycmm();
void relogin();

int n;
int m;
int t;
int offset;
char mima_[10];
char MIMA[4]="5555";

struct manager
{
	char name[10];
	char password[10];
}manage[5];

//主函数 
int main()
{
	int a=0;
	n=0;
	do
	{
		jiemian();
		getchar();
		printf("\n按1继续回到主界面,其它任意键退出：");
		a=getch();
	}while(a==49);
	return 0;
}
//通讯录结构体 
struct user
{
	char name[8];								//姓名 
	char place[15];								//籍贯 
	char tel1[15];               				//电话1 
	char tel2[15];								//电话2 
	char email[20];								//电子邮箱 
}user[50];

void jiemian()
{
	system("cls");
	system("color f3");
	int n;
	printf("\n\n\n\n\n");
	printf("\t\t:---------通讯录---------:\n");
	printf("\t\t:         1.注册         :\n");
	printf("\t\t:         2.登录         :\n");
	printf("\t\t:--输入数 <1-2>选择功能--:\n\n");
	scanf("%d",&n);
	switch(n)
	{
		case 1: enroll();		break;					//注册 
		case 2: login();		break;					//登录  
		default:			return;
	}
}
//注册
void enroll()
{
	system("cls");
	int anhao;	//管理员密匙 
	char zhanghao[10];
	char mima1[10];
	char mima2[10];

	//管理员注册 
	printf("\n请输入暗号：");
	ycmm();
				
	//暗号核对正确 
	if(!strcmp(mima_,MIMA)){
		fp=fopen("manager.txt","ab");
		struct manager one;
		printf("\n\t\t\t请输入新管理员账号：");
		scanf("%s",zhanghao);
		printf("\n\t\t\t请输入新管理员密码：");
		ycmm();
		strcpy(mima1,mima_);
		printf("\n\t\t\t请再次确认密码：");
		ycmm();
		strcpy(mima2,mima_); 
		if(!strcmp(mima1,mima2)){
			strcpy(one.name,zhanghao);
			strcpy(one.password,mima1);
			fprintf(fp,"%-10s%-10s",one.name,one.password);
		}
		else{
			fclose(fp);reenroll();return; 
		}
		printf("\t\t\t注册成功！\n\n");
		fclose(fp);
		printf("3秒后进入管理员界面");
		Sleep(3000);
		menu();
		return;
	}
				
	//暗号错误，再次注册 
	else
		printf("暗号错误，注册失败！\n\n");reenroll();
	return;
} 

//继续注册
void reenroll()
{
	printf("继续注册请按1：");
	if(getch()==49)
		enroll();
	else
		jiemian(); 
}

//登录
void login()
{
	system("cls");
	char zhanghao[20];
	char mima[20];
	char password2[20];
	if((fp=fopen("manager.txt","rb"))==NULL){
		printf("未查询到管理员账号\n请先注册，3秒后为您跳转到注册界面");
		Sleep(3000);
		enroll();
		exit(0); 
	}
	struct manager one;
	printf("\n\t\t\t管理员账号：");
	scanf("%s",zhanghao);
	printf("\n\t\t\t管理员密码：");
	ycmm();
	while(!feof(fp)){
		fscanf(fp,"%s%s",one.name,one.password);
		if(!strcmp(zhanghao,one.name)&&!strcmp(mima_,one.password)){
			printf("\n登录成功！\n");
			n=1;
			fclose(fp);
			printf("3秒后进入管理员界面");
			Sleep(3000);
			menu();return;
		}	
	}
	printf("\t\t\t登录失败！\n\n");
	
	fclose(fp);
	relogin();
	return;	
}

//继续登录 
void relogin()
{
	printf("继续登录请按1，按其它任意键返回主界面：");
	if(getch()==49)
		login();
	else
		jiemian(); 
}

//隐藏密码
void ycmm()
{
	int i=0;
	for(;i<10;i++)
	{
		mima_[i]=getch();
		if(mima_[i]=='\b')
		{
			if(i<=0)
				printf(" "),i=1; 
			printf("\b \b");
			i=i-2;
			continue;
		}
		if(mima_[i]=='\r')
		{
			break;
		}
		printf("*");
	}
	mima_[i]='\0';
} 

//菜单
void menu()
{
	int b=0;
	do{
		system("cls");
		system("color f3");
		int a;
		b=0;
		printf("\n\n\n\n\n");
		printf("\t\t:----通讯录管理员界面----:\n");
		printf("\t\t:         1:新建         :\n");
		printf("\t\t:         2:查询         :\n");
		printf("\t\t:         3:修改         :\n");
		printf("\t\t:         4:删除         :\n");
		printf("\t\t:         5:浏览         :\n");
		printf("\t\t:         6:返回         :\n");
		printf("\t\t:         7:退出         :\n");
		printf("\t\t:--输入数 <1-7>选择功能--:\n\n");
		scanf("%d",&a);
		switch(a)
		{
			case 1: add();		break;					//添加 
			case 2: search();	break;					//查询 
			case 3: modify();	break;					//修改 
			case 4: dele(); 	break;					//删除 
			case 5: look();		break;					//浏览 
			case 6: jiemian();	break; 					//退出
			case 7: exit(0); 
			default:			return;
		}
		printf("按1返回到管理员界面：");
		b=getch();
	}while(b==49);
}
									
//添加用户信息  1.新建 
void add()
{
	struct user one={'\0','\0','\0','\0','\0'};//初始化，防止文本里出现乱码 
	system("color e3");
	if((fp=fopen("user.txt","ab"))==NULL)
	{
		printf("打开文件失败！\n");
		exit(0);
	}
	printf("\n请输入用户姓名：");
	scanf("%s",one.name);
	printf("\n请输入用户籍贯：");
	scanf("%s",one.place);
	printf("\n请输入用户电话号码1：");
	scanf("%s",one.tel1);
	printf("\n请输入用户电话号码2：");
	scanf("%s",one.tel2);
	printf("\n请输入用户电子邮箱：");
	scanf("%s",one.email);
	fprintf(fp,"%-8s%-15s%-15s%-15s%-20s\n",one.name,one.place,one.tel1,one.tel2,one.email);
	fclose(fp);	
	printf("\n添加成功！\n");
}
//查询   2.查询 
void search()
{
	struct user one;
	char namekey[8];
	printf("输入要查询的姓名：");
	scanf("%s",namekey);
	if((fp=fopen("user.txt","rb"))==NULL)		//打开文件		
	{
		printf("\n不能打开文件！\n");
		exit(0);
	}
	t=0;
	m=0;
	while(!feof(fp))
	{
		offset=ftell(fp);
		fscanf(fp,"%s%s%s%s%s\n",one.name,one.place,one.tel1,one.tel2,one.email);
		if(!strcmp(one.name,namekey))					//判断是否相同 
		{
			t=1;
			printf("%-8s%-15s%-15s%-15s%-20s\n",one.name,one.place,one.tel1,one.tel2,one.email);											//若相同，则在后面if句中输出 
			break;
		}
	}
	if(!t)
		printf("未找到\n");
	fclose(fp);
}
//修改    3.修改 
void modify()
{
	int a;
	char ch[10];
	struct user one;
	search();
	if(t==1)
	{
		printf("请输入你想修改的信息：1.姓名 2.籍贯 3.电话1 4.电话2 5.邮箱\n");	//修改信息提示 
		scanf("%d",&a);
		fp=fopen("user.txt","r+");
		printf("请输入新信息：");
		switch(a)
		{
			case 1: scanf("%s",one.name);fprintf(fp,"%-8s",one.name);break;
			case 2: fseek(fp,offset+8,SEEK_SET);
				scanf("%s",one.place);fprintf(fp,"%-15s",one.place);break; 
			case 3: fseek(fp,offset+23,SEEK_SET);
				scanf("%s",one.tel1);fprintf(fp,"%-15s",one.tel1);break;
			case 4: fseek(fp,offset+38,SEEK_SET);
				scanf("%s",one.tel2);fprintf(fp,"%-15s",one.tel2);break;
			case 5: fseek(fp,offset+53,SEEK_SET);
				scanf("%s",one.email);fprintf(fp,"%-20s",one.email);break;
			default: break;
		}
		fclose(fp);
		printf("修改成功\n");  
	}
}
//删除   4.删除
void dele()
{
	char a;
	for(;;)
	{
		search();
		if(t==1)
			break;
		else
			printf("退出请按N,按其它任意键继续：");
		a=getchar();
		if(a=='n'||a=='N')
			break;
	}
		
		
	if(t==1)
	{
		fp=fopen("user.txt","r+");
		fseek(fp,offset,SEEK_SET);
		fprintf(fp,"\n%-8s%-15s%-15s%-15s%-20s\n","","","","","");
		fclose(fp);
		printf("删除成功！\n");
	}
} 
//浏览   5.浏览 
void look()											 
{
	struct user one;
	char c;
	if((fp=fopen("user.txt","r"))==NULL)			//打开文件user.txt 
	{
		printf("读取信息失败！\n");
		exit(0);
	}
	int m=0;
	printf("%-8s%-15s%-15s%-15s%-20s\n","姓名","籍贯","电话1","电话2","邮箱");
	while(!feof(fp))								
	{
		fscanf(fp,"%s%s%s%s%s\n",one.name,one.place,one.tel1,one.tel2,one.email);
		printf("%-8s%-15s%-15s%-15s%-20s\n",one.name,one.place,one.tel1,one.tel2,one.email);
		m++;
	}
	if(fclose(fp))									//关闭文件 
	{
		printf("关闭文件失败！\n");
		exit(0);
	}
}