loginwindow.c

福建博洋教育C/C++软件项目实战：POS收银系统

#include "ncurlib.h"
#include "loginwindow.h"
#include <ncurses.h>
#include "public.h"
#include "oradb.h"
#include "link.h"
#include<string.h>
#include <stdlib.h>
char save_sale_id[3][19];//挂单号保存
int save_sale_count=0;//挂单数量总值统计
/*===================================================
function:登陆界面窗口与功能实现
=================================================*/
void log_in_win()
{
	char dbausr[20]={'\0'};//数据库用户名
	char dbapwd[20]={'\0'};//数据库密码	
	char user[7]="\0";//帐号
	char pwd[13]="\0";//密码
	int ch,res;
	int now_col,now_row;
	int now_col1,now_row1;	
	int cnt=0;	
	int cnt1=0;	
	int l=0;
	int i=0;
	init_ncurses();		
	WINDOW *background,*front,*footer,*log_back,*account,*passwd;
	WINDOW *dialog[3]={NULL};
	//上方标题窗口
	front=create_win(1,80,0,0);
	wbkgd(front,COLOR_PAIR(1));
	mvwprintw(front,0,0,"超市收银系统");
	wrefresh(front);
	//中间部分窗口
	background=create_win(22,80,1,0);
	wbkgd(background,COLOR_PAIR(2));
	mvwprintw(background,20,22,"前后台提供一个F1键返回上一层功能");
	wrefresh(background);
	//登陆窗口背景窗口
	log_back=create_win(10,40,8,22);
	wbkgd(log_back,COLOR_PAIR(6));
	wrefresh(log_back);
	//底部标题窗口
	footer=create_win(1,80,23,0);
	wbkgd(footer,COLOR_PAIR(1));
	mvwprintw(footer,0,0,"Linux POS Version 1.0 Author LiDengFeng");
	wrefresh(footer);
	//登陆窗口
	print_dialog_box(10,40,"欢迎进入登录窗口",1,dialog);
	mvwprintw(dialog[0],2,8,"帐号:");
	mvwprintw(dialog[0],4,8,"密码:");
	wrefresh(dialog[0]);
	keypad(dialog[1],TRUE);
	keypad(dialog[2],TRUE);
	//帐户窗口
	account=create_win(1,16,9,34);
	keypad(account,TRUE);
	wbkgd(account,COLOR_PAIR(4));
	wrefresh(account);
	//密码窗口
	passwd=create_win(1,16,11,34);
	keypad(passwd,TRUE);
	wbkgd(passwd,COLOR_PAIR(4));
	wrefresh(passwd);
	scr_dump("login.scr");
	ACCOUNT://帐户ID输入
		wmove(account,0,0);
		wprintw(account,user);	
		wrefresh(account);
		while(1)
		{
			ch=wgetch(account);
			switch (ch)
			{
			case KEY_BACKSPACE:  //按退格键盘
				if (cnt>0)
				{
					getyx(account,now_col,now_row);
					mvwaddch(account,now_col,--now_row,' ');							
					user[--cnt]='\0';				
					wmove(account,0,now_row);
					wrefresh(account);	
				}							
				break;
			case KEY_LEFT:
			case KEY_RIGHT:
			case KEY_UP:
				break;
			case KEY_DOWN:
			case '\n':				
				goto PASSWD;							
				break;
			default:
				//过滤掉非数字
				if (ch>='0'&&ch<='9'&&cnt<6)
				{
					now_row++;
					waddch(account,ch);
					user[cnt]=ch;
					user[++cnt]='\0';			
					wrefresh(account);				
					break;
				}	
			}
		}		
	PASSWD://帐户密码输入
		wmove(passwd,0,0);
		l=strlen(pwd);
		for ( i=0; i<=l-1; i++)
		{
			waddch(passwd,'*');//密码以*号形式进行输出
		}
		wrefresh(passwd);		
		while (1)
		{
			ch=wgetch(passwd);
			switch (ch)
			{
			case KEY_BACKSPACE:  //按退格键盘
				if (cnt1>0)
				{
					getyx(passwd,now_col1,now_row1);
					mvwaddch(passwd,now_col1,--now_row1,' ');	
					wmove(passwd,now_col1,now_row1);
					pwd[--cnt1]='\0'; 
					wrefresh(passwd);
				}				
				break;
			case KEY_LEFT:
			case KEY_RIGHT:
				break;
			case KEY_UP:
				goto ACCOUNT;		
			case KEY_DOWN:
			case '\n':
				goto ENSURE;
			default:	
				if (cnt1>=12)
				{
					break;
				}
				if ( (ch>='0'&&ch<='9') || (ch>='a'&&ch<='z') || (ch>='A'&&ch<='Z') )
				{
					now_row1++;
					waddch(passwd,'*');
					pwd[cnt1]=ch;
					pwd[++cnt1]='\0';			
					wrefresh(passwd);				
					break;
				}	
			}
		}		
	ENSURE:	
		wattron(dialog[1],A_REVERSE);//反白显示
		mvwprintw(dialog[1],1,2, "确定");	
		wrefresh(dialog[1]);			
		while (1)
		{
			ch=wgetch(dialog[1]);
			switch (ch)
			{		
			case KEY_LEFT:
			case KEY_DOWN:
				break;
			case KEY_UP:
				wattroff(dialog[1],A_REVERSE);//关闭反白显示
				mvwprintw(dialog[1],1,2, "确定");
				wrefresh(dialog[1]);						
				goto PASSWD;
			case KEY_RIGHT:
				wattroff(dialog[1],A_REVERSE);
				mvwprintw(dialog[1],1,2, "确定");
				wrefresh(dialog[1]);	
				goto CANCEL;
			case '\n':
				//验证用户名密码格式是否正确
				if (cnt!=6)
				{
					Message("请输入6位数字账号",8,38);					
					scr_restore("login.scr");
					user[0]='\0';//帐号
					pwd[0]='\0';//密码			
					now_col=0;
					now_row=0;
					now_col1=0;
					now_row1=0;	
					cnt=0;	
					cnt1=0;	
					goto ACCOUNT;
				}
				if (cnt1<6||cnt>12)
				{
					Message("密码长度错误,请输入6-12位密码",8,38);					
					scr_restore("login.scr");
					user[0]='\0';//帐号
					pwd[0]='\0';//密码			
					now_col=0;
					now_row=0;
					now_col1=0;
					now_row1=0;	
					cnt=0;	
					cnt1=0;	
					goto ACCOUNT;
				}
				//连接数据库							
				get_dba_cnf(dbausr,dbapwd);
				if (connect_db(dbausr,dbapwd)==0)
				{
					Message("连接数据库不成功!",10,40);
					endwin();
					exit(1);
				}
				//检查用户名是否存在
				{
					STAFF *staff = (STAFF *)malloc(sizeof(STAFF));
					strcpy(staff->staff_id,user);
					res = check_staff(staff);
					if (res==0)
					{
						Message("你输入的帐户ID不存在!",8,38);
						scr_restore("login.scr");
						user[0]='\0';//账户帐号
						pwd[0]='\0';//账户密码			
						now_col=0;
						now_row=0;
						now_col1=0;
						now_row1=0;	
						cnt=0;	
						cnt1=0;	
						goto ACCOUNT;
					}
				}
				//验证用户名密码是否正确;
				res=check_login(user,pwd);
				if (res==0)
				{
					Message("密码错误！",8,38);
					scr_restore("login.scr");
					user[0]='\0';//帐号
					pwd[0]='\0';//密码			
					now_col=0;
					now_row=0;
					now_col1=0;
					now_row1=0;	
					cnt=0;	
					cnt1=0;	
					goto ACCOUNT;
				}
				//验证帐户登陆前台还是后台
				int isAdmin= check_admin_other(user,res);
				if (isAdmin==2)
				{
					//收银员登陆
					deal_main_win(user);
					scr_restore("login.scr");
					user[0]='\0';//帐户ID
					pwd[0]='\0';//帐户密码			
					now_col=0;
					now_row=0;
					now_col1=0;
					now_row1=0;	
					cnt=0;	
					cnt1=0;	
					goto ACCOUNT;
				}
				if (isAdmin==1 || isAdmin==0)
				{
					//管理员和超级管理员登陆
					manage_main_win();
					scr_restore("login.scr");
					user[0]='\0';//帐户ID
					pwd[0]='\0';//帐户密码			
					now_col=0;
					now_row=0;
					now_col1=0;
					now_row1=0;	
					cnt=0;	
					cnt1=0;	
					goto ACCOUNT;
				}				
			}			
		}
	CANCEL:		
		wattron(dialog[2],A_REVERSE);
		mvwprintw(dialog[2],1,2, "取消");
		 
		wrefresh(dialog[2]);	
		while (1)
		{
			ch=wgetch(dialog[2]);
			switch (ch)
			{
			case KEY_UP:
			case KEY_DOWN:
			case KEY_RIGHT:
				break;
			case KEY_LEFT:
				wattroff(dialog[2],A_REVERSE);
				mvwprintw(dialog[2],1,2, "取消");
				wrefresh(dialog[2]);
				goto ENSURE;		
			case '\n':	
				endwin();
				exit(1);
			}
		}
}
/*========================================================
function:收银主窗口与功能实现
=========================================================*/
void deal_main_win(char *usr)
{
	init_ncurses();	
	WINDOW *win;//主窗体
	win=create_win(24,80,0,0);
	keypad(win,TRUE);
	box(win,0,0);
	print_line(win,2);
	print_line(win,4);
	print_line(win,19);
	print_line(win,21);
	mvwprintw(win,0,32,"欢迎光临XXX超市");	
	mvwprintw(win,1,1,"收银员:");
	STAFF *staff_info=(STAFF *)malloc(sizeof(STAFF)); 
	get_staffinfo(staff_info,usr);
	wprintw(win,"%s",staff_info->staff_name);
	mvwprintw(win,1,19,"等级:");
	if (staff_info->staff_type==2)
	{
		wprintw(win,"收银员");
	}  
	PRODUCT *pro_info=(PRODUCT *)malloc(sizeof(PRODUCT));
	SEQID *seq_id=(SEQID *)malloc(sizeof(SEQID));
	mvwprintw(win,1,34,"交易号:");
	get_seq_trans_id(seq_id);
	wprintw(win,"%s",seq_id->seq_trans_id);
	mvwprintw(win,1,49,"时间:");
	char systime[20]={'\0'};
	get_system_time(win,systime);
	wprintw(win,"%s",systime);
	mvwprintw(win,3,1,"%-5s%-10s%-23s%-6s%-6s%-10s%-6s%-12s","序号","条形码","商品名称","规格","单位","单价","数量","金额");
	mvwprintw(win,22,1,"F2:新增明细 F3:删除明细 F4:收银 F5:挂单 F6:取单 F7:撤单 F8:退货 F9:退出");
	mvwprintw(win,20,50,"销售状态:正常");
	mvwprintw(win,20,1,"条形码:");
	wrefresh(win);
	//打印商品信息窗口
	WINDOW *print_window=NULL;
	print_window=create_win(14,78,5,1);
	wbkgd(print_window,COLOR_PAIR(6));
	keypad(print_window,TRUE);
	wrefresh(print_window);
	//条形码窗口
	int ch;
	char barCode[9]={"CN"};
	WINDOW *code=NULL;
	code=create_win(1,12,20,8);
	keypad(code,TRUE);
	wbkgd(code,COLOR_PAIR(1));
	wprintw(code,"%s",barCode);
	wrefresh(code);	
	int cnt=2;
	int now_col=0;
	int now_row=2;
	wmove(code,now_col,now_row);
	scr_dump("dealwin.scr");
	int i=0;	
	int cur=0;	
	int res=0;
	SALE *sale_info=(SALE *)malloc(sizeof(SALE));
	salelist.clear_link(&salelist);
	while(1)
	{
		wrefresh(win);
		ch=wgetch(code);
		switch (ch)
		{
		case KEY_BACKSPACE:  //按退格键盘
			if (cnt>2)
			{
				getyx(code,now_col,now_row);
				mvwaddch(code,now_col,--now_row,' ');							
				barCode[--cnt]='\0';				
				wmove(code,0,now_row);
				wrefresh(code);	
			}							
			break;	
		case KEY_F(2):
			add_new_detail_win(cur);			
			scr_restore("dealwin.scr");
			print_sale_product(print_window,cur);				
			wrefresh(win);
			wrefresh(print_window);
			now_row=2;
			cnt=2;
			mvwprintw(code,0,0,"CN      ");
			wmove(code,0,now_row);
			barCode[2]='\0';
			wrefresh(code);	
			break;
		case KEY_F(3):
			if (delete_detail_win(cur)==1)
			{
				cur--;
			}			
			scr_restore("dealwin.scr");
			print_sale_product(print_window,cur);				
			wrefresh(win);
			wrefresh(print_window);
			now_row=2;
			cnt=2;
			mvwprintw(code,0,0,"CN      ");
			wmove(code,0,now_row);
			barCode[2]='\0';
			wrefresh(code);	
			break;
		case KEY_F(4):
			strcpy(sale_info->sale_id,systime);
			strcat(sale_info->sale_id,seq_id->seq_trans_id);
			strcpy(sale_info->trans_id,seq_id->seq_trans_id);
			strcpy(sale_info->staff_id,usr);
			strcpy(sale_info->sale_date,systime);
			if(finish_deal_win(sale_info))
			{
				mvwprintw(win,1,34,"交易号:");
				get_seq_trans_id(seq_id);
				wprintw(win,"%s",seq_id->seq_trans_id);  	
				mvwprintw(win,1,49,"时间:");
				get_system_time(win,systime);
				wprintw(win,"%s",systime);	
			}			
			print_sale_product(print_window,cur);	
			wrefresh(win);			
			wrefresh(print_window);
			now_row=2;
			cnt=2;
			mvwprintw(code,0,0,"CN      ");
			wmove(code,0,now_row);
			barCode[2]='\0';
			wrefresh(code);	
			break;
		case KEY_F(5):
			strcpy(sale_info->sale_id,systime);
			strcat(sale_info->sale_id,seq_id->seq_trans_id);
			strcpy(sale_info->trans_id,seq_id->seq_trans_id);
			strcpy(sale_info->staff_id,usr);
			strcpy(sale_info->sale_date,systime);
			if(suspend_deal_win(sale_info))
			{
					mvwprintw(win,1,34,"交易号:");
					get_seq_trans_id(seq_id);
					wprintw(win,"%s",seq_id->seq_trans_id);  	
					mvwprintw(win,1,49,"时间:");
					get_system_time(win,systime);
					wprintw(win,"%s",systime);
			}			
			print_sale_product(print_window,cur);	
			wrefresh(win);			
			wrefresh(print_window);
			now_row=2;
			cnt=2;
			mvwprintw(code,0,0,"CN      ");
			wmove(code,0,now_row);
			barCode[2]='\0';
			wrefresh(code);		
			break;
		case KEY_F(6):
			fetch_deal_win();
			print_sale_product(print_window,cur);	
			wrefresh(win);			
			wrefresh(print_window);
			now_row=2;
			cnt=2;
			mvwprintw(code,0,0,"CN      ");
			wmove(code,0,now_row);
			barCode[2]='\0';
			wrefresh(code);	
			break;
		case KEY_F(7):
			remove_deal_win();
			print_sale_product(print_window,cur);	
			wrefresh(win);			
			wrefresh(print_window);
			now_row=2;
			cnt=2;
			mvwprintw(code,0,0,"CN      ");
			wmove(code,0,now_row);
			barCode[2]='\0';
			wrefresh(code);	
			break;
		case KEY_F(8):
			return_purchase();
			touchwin(win);
			print_sale_product(print_window,cur);	
			wrefresh(win);			
			wrefresh(print_window);
			now_row=2;
			cnt=2;
			mvwprintw(code,0,0,"CN          ");
			wmove(code,0,now_row);
			barCode[2]='\0';
			wrefresh(code);	
			break;
		case KEY_F(9):
		if (salelist.count)
			{
				message_botton("有销售单未结算，不可以退出!",10,40);
			}
			else if (save_sale_count!=0)
			{
				message_botton("有挂单未处理，不可以退出!",10,40);										
			}
			else 
			{
				if ( message_botton("确定要退出销售界面",10,40) )
				{
					return;
				}				
			}	
			print_sale_product(print_window,cur);	
			wrefresh(win);
			wrefresh(print_window);;
			now_row=2;
			cnt=2;
			mvwprintw(code,0,0,"CN      ");
			wmove(code,0,now_row);
			barCode[2]='\0';
			wrefresh(code);	
			break;	
		case KEY_UP:
			if (cur>1)
			{		
				wclear(print_window);				
				print_sale_product(print_window,--cur);
			}
			break;
		case KEY_DOWN:
			if (cur<salelist.count)
			{
				wclear(print_window);