backmanager.c

在LINUX下实现的一个超市的收银系统

		if(!Search_Account_Id(del_acc_id))//查询是否有这个帐户
		{
			ShowMessage("        你输入的帐号不存在");
			touchwin(del_acc_win);
			wrefresh(del_acc_win);
			wclrtoeol(acc_id_win);
			continue;
		}
		break;		
	}while (1);

	//进行删除帐号操作,员工表里面删除
	//int Del_Account_From_Db(char *account_id);
	if(Del_Account_From_Db(del_acc_id))
	{
		ShowMessage("      删除帐号成功,按任意键返回");
		touchwin(del_acc_win);
		wrefresh(del_acc_win);
	}
	else
	{
		ShowMessage("       删除帐号失败,按任意键返回");
		touchwin(del_acc_win);
		wrefresh(del_acc_win);
	}
	
	noecho();
	ch = mvwgetch(del_acc_win,5,20);
	echo();
	delwin(del_acc_win);
}

/*===============修改密码=====================*/
void Mod_Password()
{
	char mod_id[20];
	char old_pwd[20];
	char new_pwd[20];
	
	int ch;

	char buf[20];
	int buf1;
	int temp;
	temp = 0;
	
	WINDOW *mod_pwd_win = newwin(9,40,8,20);
	WINDOW *acc_id_win = subwin(mod_pwd_win,1,20,10,33);
	WINDOW *old_pwd_win = subwin(mod_pwd_win,1,20,12,33);
	WINDOW *new_pwd_win = subwin(mod_pwd_win,1,20,14,33); 

	wbkgd(mod_pwd_win,COLOR_PAIR(9));
	wbkgd(acc_id_win,COLOR_PAIR(10));
	wbkgd(old_pwd_win,COLOR_PAIR(10));
	wbkgd(new_pwd_win,COLOR_PAIR(10));

	box(mod_pwd_win,0,0);	
	mvwprintw(mod_pwd_win,0,16,"修改密码");
	mvwprintw(mod_pwd_win,2,4,"帐户ID:");
	mvwprintw(mod_pwd_win,4,4,"原密码:");
	mvwprintw(mod_pwd_win,6,4,"新密码:");
	
	wrefresh(mod_pwd_win);

	echo();

	//输入帐号ID
	do
	{
		memset(mod_id,0,sizeof(mod_id));
		mvwgetnstr(acc_id_win,0,0,mod_id,20);

		if(!Search_Account_Id(mod_id))//查询帐号是否已经存在了
		{
			ShowMessage("        你输入的帐号不存在");
			touchwin(mod_pwd_win);
			wrefresh(mod_pwd_win);
			wclrtoeol(acc_id_win);
			continue;
		}
		break;
	}while (1);
	//输入原密码

	keypad(old_pwd_win,TRUE);
	temp=0;
	do
	{
		wmove(old_pwd_win,0,0);
		wclrtoeol(old_pwd_win);
		
		do
		{	
			//输入密码
			ch = mvwgetch(old_pwd_win,0,0+temp);
		
			if((isprint(ch)) && (!isspace(ch)))
			{
				mvwaddch(old_pwd_win,0,0+temp,'*');
				wrefresh(old_pwd_win);
				old_pwd[temp] = ch;
				temp++;
				if(temp >=12)
				{
					break;
				}
			}
			if(temp >=6 && ch == '\n')
			{
				break;
			}

			else if(ch == KEY_BACKSPACE)
			{
				if(temp > 0)
				{
					--temp;
					wmove(old_pwd_win,0,0+temp);
					wclrtoeol(old_pwd_win);
				}
				else
				{
					wmove(old_pwd_win,0,0);
					wclrtoeol(old_pwd_win);
				}
			}
		}while(1);
		//验证输入的帐号密码是否正确
		if(!CheckUserLogin(mod_id,old_pwd,buf,&buf1))
		{
			ShowMessage("       验证失败,你输入的密码错误");
			touchwin(mod_pwd_win);
			wrefresh(mod_pwd_win);
			wclrtoeol(old_pwd_win);
			memset(old_pwd,0,sizeof(old_pwd));
			temp=0;
			continue;
		}
		break;
	}while (1);
	
	//输入新密码
	keypad(new_pwd_win,TRUE);
	temp=0;
	do
	{	
		//输入密码
		ch = mvwgetch(new_pwd_win,0,0+temp);
	
		if((isprint(ch)) && (!isspace(ch)))
		{
			mvwaddch(new_pwd_win,0,0+temp,'*');
			wrefresh(new_pwd_win);
			new_pwd[temp] = ch;
			temp++;
			if(temp >=12)
			{
				break;
			}
		}
		if(temp >=6 && ch == '\n')
		{
			break;
		}
		else if(ch == KEY_BACKSPACE)
		{
			if(temp > 0)
			{
				--temp;
				wmove(new_pwd_win,0,0+temp);
				wclrtoeol(new_pwd_win);
			}
			else
			{
				wmove(new_pwd_win,0,0);
				wclrtoeol(new_pwd_win);
			}
		}
	}while(1);

	//保存新密码
	if(Save_New_Pwd_To_Db(mod_id,new_pwd))
	{
		ShowMessage("      修改密码成功,按任意键返回");
		touchwin(mod_pwd_win);
		wrefresh(mod_pwd_win);
	}
	else
	{
		ShowMessage("       修改密码失败,按任意键返回");
		touchwin(mod_pwd_win);
		wrefresh(mod_pwd_win);
	}
		
	noecho();
	ch = mvwgetch(mod_pwd_win,8,20);
	echo();
	delwin(mod_pwd_win);
}


/*===============销售记录查询==================*/
void SellRecordSearch()
{
	char str[20];

	WINDOW *rec_sea_win  = newwin(11,40,8,20);
	WINDOW *choice_win = subwin(rec_sea_win,1,10,16,39);

	wbkgd(rec_sea_win,COLOR_PAIR(9));
	wbkgd(choice_win,COLOR_PAIR(10));

	do
	{	
		box(rec_sea_win,0,0);
		mvwprintw(rec_sea_win,0,14,"销售记录查询");
		mvwprintw(rec_sea_win,2,12,"1.单品销售查询");
		mvwprintw(rec_sea_win,4,12,"2.单日销售查询");
		mvwprintw(rec_sea_win,6,12,"0.返回上级菜单");
		mvwprintw(rec_sea_win,8,12,"请选择:");
		wrefresh(rec_sea_win);
		
		echo();
		mvwgetnstr(choice_win,0,0,str,10);
		noecho();
		if(strlen(str)>1)
		{
			ShowMessage("          输入错误,请重新输入");
			memset(str,0,sizeof(str));
			wclrtoeol(choice_win);
			refresh();
			continue;
		}
		if(!strncmp("1",str,1))
		{
			delwin(rec_sea_win);
			clear();
			refresh();
			//单品销售查询
			Mer_Sell_Search();
		}

		else if(!strncmp("2",str,1))
		{
			delwin(rec_sea_win);
			clear();
			refresh();
			Day_Sell_Search();
		}
		else if(!strncmp("0",str,1))
		{
			ShowMessage("       正在返回后台管理菜单......");
			delwin(rec_sea_win);
			clear();
			refresh();			
			BackManager();
		}
		else 
		{
			ShowMessage("          输入错误,请重新输入");
			memset(str,0,sizeof(str));
			wclrtoeol(choice_win);
			refresh();
			continue;	
		}
	}while (1);


}

/*==========单品销售查询==============*/
void Mer_Sell_Search()
{
	// 单品销售记录打印的是,条形码,商品名称,,单价,一共销售了多少总金额,盈利=(销售金额-进价)*数量
	char mer_name[20];//商品名称

	float sell_price;//销售单价
	int total_sell;//一共销售了多少
	float total_money;// 总金额
	float payoff;//盈利
	float stock_price;//进价

	char start_date[20];
	char end_date[20];
	char bar_code[20];
	
	char ch;
	int i,j,temp;
	i=0;
	j=0;
	temp=0;

	WINDOW *mer_sell_search_win  = newwin(9,40,7,20);

	WINDOW *start_date_win = subwin(mer_sell_search_win,1,20,9,36);
	WINDOW *end_date_win = subwin(mer_sell_search_win,1,20,11,36);
	WINDOW *bar_code_win = subwin(mer_sell_search_win,1,20,13,36);

	wbkgd(mer_sell_search_win,COLOR_PAIR(9));
	wbkgd(start_date_win,COLOR_PAIR(10));
	wbkgd(end_date_win,COLOR_PAIR(10));
	wbkgd(bar_code_win,COLOR_PAIR(10));

	box(mer_sell_search_win,0,0);
	mvwprintw(mer_sell_search_win,0,14,"单品销售查询");
	mvwprintw(mer_sell_search_win,2,6,"起始日期:");
	mvwprintw(mer_sell_search_win,4,6,"结束日期:");
	mvwprintw(mer_sell_search_win,6,4,"商品条形码:");
	wrefresh(mer_sell_search_win);
	echo();
	//输入开始日期
	
	do
	{
		memset(start_date,0,sizeof(start_date));
		mvwgetnstr(start_date_win,0,0,start_date,20);

		//在oracle中对日期进行演出
		
		if(!Is_Date_Right(start_date))
		{
			ShowMessage("     你输入的日期错误,请重新输入");
			touchwin(mer_sell_search_win);
			wrefresh(mer_sell_search_win);
			wclrtoeol(start_date_win);
			continue;
		}
		break;
	}while (1);
	
	//输入结束日期
	do
	{
		memset(end_date,0,sizeof(end_date));
		mvwgetnstr(end_date_win,0,0,end_date,20);
		
		if(!Is_Date_Right(end_date))
		{
			ShowMessage("     你输入的日期错误,请重新输入");
			touchwin(mer_sell_search_win);
			wrefresh(mer_sell_search_win);
			wclrtoeol(end_date_win);
			continue;
		}

		//如果start_date>=end_date,返回真,等于返回0
		if(strcmp(start_date,end_date)>0)
		{
			ShowMessage("       结束日期必须比起始日期大");
			touchwin(mer_sell_search_win);
			wrefresh(mer_sell_search_win);
			wclrtoeol(end_date_win);
			continue;
		}
		break;
	}while (1);

	//输入商品条形码
	do
	{
		memset(bar_code,0,sizeof(bar_code));
		mvwgetnstr(bar_code_win,0,0,bar_code,20);

		if(!SearchBarCode(bar_code,MER_NAME,MER_UNIT,MER_SPEC,&MER_PRICE,&MER_STOCK))
		{
			ShowMessage("          商品不存在,请重新输入");
			touchwin(mer_sell_search_win);
			wrefresh(mer_sell_search_win);
			wclrtoeol(bar_code_win);
			refresh();
			continue;
		}
		break;
	}while (1);

	//判读读取数据库数据是否成功
	if(Search_Mer_Info(bar_code,mer_name,&sell_price,&stock_price) && Stat_Mer_Sell_Amount(bar_code,&total_sell,start_date,end_date))
	{
		ShowMessage("     查询数据成功,按任意键打印记录");
		touchwin(mer_sell_search_win);
		wrefresh(mer_sell_search_win);
		temp = 1;
	}
	else
	{
		ShowMessage("         不存在销售记录,任意键返回");
		touchwin(mer_sell_search_win);
		wrefresh(mer_sell_search_win);
	}
	
	if(1 == temp)
	{
		noecho();
		ch = mvwgetch(mer_sell_search_win,8,20);
		echo();

		delwin(mer_sell_search_win);
		clear();
		refresh();

		//计算出盈利和销售总金额
		payoff = (sell_price - stock_price)*total_sell;
		total_money = sell_price * total_sell;

		//打印出界面
		WINDOW *sell_info_win = newwin(7,80,9,0);
		wbkgd(sell_info_win,COLOR_PAIR(6));
		box(sell_info_win,0,0);
		mvwprintw(sell_info_win,1,1,"条形码    商品名称        商品单价    商品数量    销售总金额    总盈利");
		mvwhline(sell_info_win,2,1,0,78);
		mvwprintw(sell_info_win,4,1,"%s",bar_code);
		mvwprintw(sell_info_win,4,11,"%s",mer_name);
		mvwprintw(sell_info_win,4,28,"%.2f",sell_price);
		mvwprintw(sell_info_win,4,39,"%d",total_sell);
		mvwprintw(sell_info_win,4,51,"%.2f",total_money);
		mvwprintw(sell_info_win,4,66,"%.2f",payoff);

		wrefresh(sell_info_win);
		
		ShowMessage("         打印完毕,任意键返回");
		touchwin(sell_info_win);
		wrefresh(sell_info_win);
	
		noecho();
		ch = mvwgetch(sell_info_win,5,40);
		echo();

		delwin(sell_info_win);
		clear();
		refresh();

		SellRecordSearch();
	}
	
	noecho();
	ch = mvwgetch(mer_sell_search_win,8,20);
	echo();
	
	delwin(mer_sell_search_win);
	clear();
	refresh();
	SellRecordSearch();
}

/*==============单日销售查询==================*/
void Day_Sell_Search()
{
	float day_total_sell;//当日的销售总金额
	float day_total_payoff;//当日总盈利

	char sell_date[20];//当日的销售日期

	int temp;
	char ch;
	temp = 0;

	day_total_payoff=0.0f;
	
	WINDOW *day_sell_search_win  = newwin(5,40,10,20);
	WINDOW *sell_date_win = subwin(day_sell_search_win,1,20,12,36);

	wbkgd(day_sell_search_win,COLOR_PAIR(9));
	wbkgd(sell_date_win,COLOR_PAIR(10));

	box(day_sell_search_win,0,0);
	mvwprintw(day_sell_search_win,0,14,"单日销售查询");
	mvwprintw(day_sell_search_win,2,6,"销售日期:");
	
	wrefresh(day_sell_search_win);
	echo();
	do
	{
		memset(sell_date,0,sizeof(sell_date));
		mvwgetnstr(sell_date_win,0,0,sell_date,20);
		
		if(!Is_Date_Right(sell_date))
		{
			ShowMessage("     你输入的日期错误,请重新输入");
			touchwin(day_sell_search_win);
			wrefresh(day_sell_search_win);
			wclrtoeol(sell_date_win);
			continue;
		}
		
		break;
	}while (1);
	//判断输入的日期当天是否有数据,若有的话,进行查询 
	if(Day_Total_Sell_Money(sell_date,&day_total_sell) && Today_Total_Payoff(sell_date,&day_total_payoff) )
	{
		ShowMessage("   查询数据成功,任意键打印销售记录");
		touchwin(day_sell_search_win);
		wrefresh(day_sell_search_win);
		temp = 1;
	}
	else
	{
		ShowMessage("          当日没有销售记录,任意键返回");
		touchwin(day_sell_search_win);
		wrefresh(day_sell_search_win);
	}	

	if(1 == temp)
	{
		noecho();
		ch = mvwgetch(day_sell_search_win,4,20);
		echo();
			
		delwin(day_sell_search_win);
		refresh();		

		WINDOW *sell_info_win = newwin(7,40,9,20);
		wbkgd(sell_info_win,COLOR_PAIR(6));
		box(sell_info_win,0,0);
		mvwprintw(sell_info_win,1,1,"销售日期    销售总金额    总盈利");
		mvwhline(sell_info_win,2,1,0,38);
		mvwprintw(sell_info_win,4,1,"%s",sell_date);
		mvwprintw(sell_info_win,4,13,"%.2f",day_total_sell);
		mvwprintw(sell_info_win,4,27,"%.2f",day_total_payoff);

		wrefresh(sell_info_win);
		
		ShowMessage("         打印完毕,任意键返回");
		touchwin(sell_info_win);
		wrefresh(sell_info_win);
		
		noecho();
		ch = mvwgetch(sell_info_win,5,20);
		echo();

		delwin(sell_info_win);
		clear();
		refresh();

		SellRecordSearch();
	}
	
	noecho();
	ch = mvwgetch(day_sell_search_win,4,20);
	echo();

	delwin(day_sell_search_win);
	refresh();
	SellRecordSearch();	                                                                                         			
                                                                                                             		
}