proscenium.c

本人做的一个基于LINUX平台的小程序

#include <stdlib.h>
#include "public.h"
#include "posdb.h"
#include "posui.h"
#include "linklist.h"
#include "proscenium.h"

void proscenium_body(char *user)//前台界面
{
	noecho();
	WINDOW *pre = NULL;

	staff_info *print;
	print =(staff_info *)malloc(sizeof(staff_info));
	memset(print,0,sizeof(staff_info));

	pre = create_default_window(25,80,0,0);
	mvwprintw(pre,0,33,"欢迎光临xxx超市");
	mvwprintw(pre,1,1,"收银员:");
	mvwprintw(pre,1,20,"等级:");
	mvwprintw(pre,1,36,"交易号:");
	mvwprintw(pre,1,54,"时间:");
	draw_line(pre,2);
	mvwprintw(pre,3,1,"序号");
	mvwprintw(pre,3,8,"条形码");
	mvwprintw(pre,3,20,"商品名称");
	mvwprintw(pre,3,36,"规格");
	mvwprintw(pre,3,45,"单位");
	mvwprintw(pre,3,54,"单价");
	mvwprintw(pre,3,61,"数量");
	mvwprintw(pre,3,68,"金额");
	mvwprintw(pre,23,1,"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(pre,21,1,"条形码:");
	mvwprintw(pre,21,40,"销售状态:");
	draw_line(pre,20);
	draw_line(pre,4);	
	draw_line(pre,22);
	mvwhline(pre,21,8,' ',14);
	user_confirm(user,print);
	mvwprintw(pre,1,8,print->name);
	mvwprintw(pre,1,25,print->remark);
	free(print);
	wrefresh(pre);
	delwin(pre);
}

int  back_body(char *user,sale_record *temp)
{
	noecho();
	WINDOW *pre = NULL;

	staff_info *print;
	print =(staff_info *)malloc(sizeof(staff_info));
	memset(print,0,sizeof(staff_info));

	pre = create_default_window(25,80,0,0);
	mvwprintw(pre,0,33,"欢迎光临xxx超市");
	mvwprintw(pre,1,38,"退货");
	draw_line(pre,2);
	mvwprintw(pre,3,1,"收银员:");
	mvwprintw(pre,3,20,"等级:");
	mvwprintw(pre,3,36,"交易号:");
	mvwprintw(pre,3,54,"时间:");
	draw_line(pre,4);
	mvwprintw(pre,5,1,"序号");
	mvwprintw(pre,5,8,"条形码");
	mvwprintw(pre,5,20,"商品名称");
	mvwprintw(pre,5,36,"规格");
	mvwprintw(pre,5,45,"单位");
	mvwprintw(pre,5,54,"单价");
	mvwprintw(pre,5,61,"数量");
	mvwprintw(pre,5,68,"金额");
	mvwprintw(pre,23,4,"F3:退货商品");
	mvwprintw(pre,23,20,"F4:退货");
	mvwprintw(pre,23,35,"F9:退出");
	mvwprintw(pre,23,60,"销售状态:");
	mvwprintw(pre,23,69,"退货");
	draw_line(pre,6);	
	draw_line(pre,22);
	user_confirm(user,print);
	mvwprintw(pre,3,8,print->name);
	mvwprintw(pre,3,25,print->remark);
	mvwprintw(pre,3,43,temp->trans_id);
	mvwprintw(pre,3,59,temp->date);
	free(print);
	wrefresh(pre);
	delwin(pre);
	return 1;
}

void proscenium_manager(char *user)//前台管理
{
	int result = 0;
	int ch = 0,flag = 0,i = 0,change = 0,offset = 0,limit = 15;
	int *cur = &flag,*offtmp = &offset;
	char product_code[20] ={0};
	strcpy(product_code,"CN");

	product_info *check;
	check =(product_info *)malloc(sizeof(product_info));
	memset(check,0,sizeof(product_info));
	
	sale_record *s_record;
	s_record = (sale_record *)malloc(sizeof(sale_record));

	LINKLIST *linklist,*sale_temp,*backlist;//linklist 商品销售明细，sale_temp 挂单,back_list退货
	linklist = (LINKLIST *)malloc(sizeof(LINKLIST));
	sale_temp = (LINKLIST *)malloc(sizeof(LINKLIST));
	backlist = (LINKLIST *)malloc(sizeof(LINKLIST));
	link_init(linklist);
	link_init(sale_temp);
	link_init(backlist);
	NODE *p;

	WINDOW *input = NULL,*info = NULL;
	proscenium_body(user);
	init_sale_record(s_record,user);
	display_saleid(s_record);
	
	info = newwin(15,78,5,1);
	wbkgd(input,COLOR_PAIR(1));
	
	input = newwin(1,12,21,8);
	wbkgd(input,COLOR_PAIR(1));
	mvwaddstr(input,0,0,"CN");
	wmove(input,0,2);
	keypad(input,true);
	while(1)
	{
		wmove(input,0,strlen(product_code));
		ch = wgetch(input);
		if(ch == KEY_DOWN||ch == KEY_UP)
		{
			if (linklist->count == 0)
			{
				continue;
			}
			change = *cur;
			print_info(info,linklist,flag,offset,0);
			KEY_UP_DOWN(linklist->count,ch,cur);
			change = *cur - change;
			if(display_control(cur,offtmp,change,limit))
			{
				print_all(info,linklist,cur,offtmp);
				if(ch == KEY_UP)
				{
					print_info(info,linklist,flag,offset,0);
					*cur = (*cur)-limit+1;
					*offtmp = 1;
					print_info(info,linklist,flag,offset,1);
				}
			}
			else
				print_info(info,linklist,flag,offset,1);
		}
		else if(ch == 10)
		{
			if(s_record->sale_state == 1)
				continue;
			if(flag == 0)
				*offtmp = 0;
			if(get_product(product_code,check))
			{	
				if (check->count == 0)
				{
					message("已售完!",10,30);
				}
				else 
				{
					change = flag;
					if(i = is_new(linklist,product_code))
					{
						print_info(info,linklist,flag,offset,0);
						*cur = i;
						p = get_node_by_index(linklist,i);
						if (++((for_sale *)(p->node_data))->count > check->count)
						{
							message("库存为空!",10,30);
							((for_sale *)(p->node_data))->count--;
						}
						else
						{
							((for_sale *)(p->node_data))->count++;
							((for_sale *)(p->node_data))->sum = ((for_sale *)(p->node_data))->sale_price * ((for_sale *)(p->node_data))->discount * ((for_sale *)(p->node_data))->count;
						}
					}
					else
					{
						for_sale *temp;
						temp = (for_sale *)malloc(sizeof(for_sale));
						memset(temp,0,sizeof(for_sale));
						get_product_info(temp,check);
						temp->count = 1;
						temp->sum = (temp->sale_price)*(temp->discount);
						insert_rear_link(linklist,temp);
						print_info(info,linklist,flag,offset,0);
						*cur = linklist->count;
					}
				}
				change = flag - change;
				if(display_control(cur,offtmp,change,limit))
					print_all(info,linklist,cur,offtmp);
				else
					print_info(info,linklist,flag,offset,1);
			}
			else
			{
				message("没有此商品！",8,20);
			}
			memset(check,0,sizeof(product_info));
			memset(product_code,0,20*sizeof(char));
			strcpy(product_code,"CN");
			mvwaddstr(input,0,0,"CN             ");
			wmove(input,0,2);

		}
		else if(ch>=KEY_F(2)&&ch<=KEY_F(9))
		{
			result = sale_option(linklist,sale_temp,backlist,s_record,cur,offtmp,ch);
			if(result == 9)
			{	
				delwin(input);
				delwin(info);
				free(check);
				free(s_record);
				free_list(linklist);
				free_list(backlist);
				free_list(sale_temp);
				return;
			}
			if (result == 2)
			{
				print_info(info,linklist,flag,offset,1);
			}
			if(result == 1)
			{
				if(linklist->count == 0)
				{
					*cur = 0;
					*offtmp = 0;
				}
				else
				{
					*cur = (*cur)-(*offtmp)+1;
					*offtmp = 1;
				}
				print_all(info,linklist,cur,offtmp);
			}
			if (result == 6)
			{
				*cur = 0;
				*offtmp = 0;
				print_all(info,linklist,cur,offtmp);
				strcpy(s_record->staff_id,user);
				display_saleid(s_record);
			}
			if(result == 4 ||result == 5)
			{
				if (result == 4)
				{
					init_sale_record(s_record,user);
					display_saleid(s_record);
				}	
				free_all_node(linklist);
				free_all_node(backlist);
				flag = 0;
				werase(info);
				wrefresh(info);
			}
			print_info(info,linklist,flag,offset,1);
		}
		
		else	
		{
			if(s_record->sale_state == 1)
				continue;
			get_info(input,product_code,ch,1,10);
		}
	}
}

void print_info(WINDOW *win,LINKLIST *linklist,int cur,int offfset,int style)//打印一行商品信息
{
	if(cur == 0)
		return;
	if(style == 0)
		wattroff(win,A_REVERSE);
	else
		wattron(win,A_REVERSE);
	NODE *p;
	p = get_node_by_index(linklist,cur);
	
	mvwhline(win,offfset-1,0,' ',78);
	mvwprintw(win,offfset-1,1,"%d",cur);
	mvwprintw(win,offfset-1,8,((for_sale *)(p->node_data))->bar_code);
	mvwprintw(win,offfset-1,20,((for_sale *)(p->node_data))->name);
	mvwprintw(win,offfset-1,36,((for_sale *)(p->node_data))->spec);
	mvwprintw(win,offfset-1,45,((for_sale *)(p->node_data))->unit);
	mvwprintw(win,offfset-1,54,"%.2f",((for_sale *)(p->node_data))->sale_price);
	mvwprintw(win,offfset-1,61,"%d",((for_sale *)(p->node_data))->count);
	mvwprintw(win,offfset-1,68,"%.2f",((for_sale *)(p->node_data))->sum);
	wrefresh(win);
}

void KEY_UP_DOWN(int limit,int ch,int *cur)//上下键选择商品的操作
{
	if(ch == KEY_UP)
	{
		if(*cur == 1)
			return;

		else
		{
			(*cur)--;
		}
	}
	if(ch == KEY_DOWN)
	{
		if(*cur == limit)
			return;
		else
		{
			(*cur)++;
		}
	}
}

void get_product_info(for_sale *temp,product_info *copy)
{
	strcpy(temp->bar_code,copy->bar_code);
	strcpy(temp->name,copy->name);
	strcpy(temp->unit,copy->unit);
	strcpy(temp->spec,copy->spec);
	temp->sale_price = copy->sale_price;
	temp->discount = copy->discount;
	temp->storage = copy->count;
}

int is_new(LINKLIST *linklist,char *num)//是否是新的商品
{
	if(linklist->count == 0)
		return 0;
	else
	{
		NODE *p;
		p = linklist->head;
		int i = 1;
		for(i;i <= linklist->count;i++)
		{
			if(strcmp(num,((for_sale *)(p->node_data))->bar_code) == 0)
				return i;
			p = p->next;
		}
	}
	return 0;
}

void display_saleid(sale_record *temp)//显示时间和交易号
{
	WINDOW *id = NULL,*time = NULL,*state = NULL;

	id = newwin(1,10,1,43);
	time = newwin(1,17,1,59);
	state = newwin(1,5,21,50);

	mvwprintw(id,0,0,"%s",temp->trans_id);
	wrefresh(id);
	mvwprintw(time,0,0,temp->date);
	wrefresh(time);
	
	if(temp->sale_state == 0)
			mvwprintw(state,0,0,"正常");
	else if(temp->sale_state == 1)
			mvwprintw(state,0,0,"退货");
	else
			mvwprintw(state,0,0,"挂单");
	wrefresh(state);

	delwin(id);
	delwin(time);
	delwin(state);
}

int sale_option(LINKLIST *linklist,LINKLIST *sale_temp,LINKLIST *backlist,sale_record *temp,int *cur,int *offtmp,int ch)//功能键操作
{
	int temp1 = *cur;
	int i = 0;
	if(ch == KEY_F(9))
	{
		i = sale_optionf9(linklist,sale_temp,temp);
	}
	if(ch == KEY_F(2))
	{
		if(temp1 >0 &&temp->sale_state != 1)
			i = option_f2f3(linklist,backlist,cur,ch,0);
	}
	else if (ch == KEY_F(3))
	{
		if(temp1 != 0)
			i = option_f2f3(linklist,backlist,cur,ch,0);
	}
	else if(ch == KEY_F(4))
	{
		if(temp1 != 0 ||temp->sale_state == 1)
			i = sale_optionf4(linklist,backlist,temp);
	}
	else if (ch == KEY_F(5))
	{
		if(temp1 >0 &&temp->sale_state != 1)
			i = sale_optionf5(linklist,sale_temp,temp);
	}
	else if (ch == KEY_F(6))
	{
		if(temp->sale_state != 1)
			i = sale_optionf6(linklist,sale_temp,temp);
	}
	else if(ch == KEY_F(7))
	{
		if(temp->sale_state != 1)
			i = sale_optionf7(linklist,sale_temp,temp);
	}
	else if (ch == KEY_F(8))
	{
		if(temp1 == 0)
		{
			scr_dump("temp3.scr");
			i = sale_optionf8(linklist,backlist,temp);
			scr_restore("temp3.scr");
		}
	}
	return i;
	return 0;
}

int option_f2f3(LINKLIST *linklist,LINKLIST *backlist,int *cur,int ch,int style)//删除明细和增加明细的操作
{
	scr_dump("temp1.scr");
	char str[8] = {0};
	int ch1 = 0,nums = 0,temp = *cur,i = 0;

	NODE *p;
	p = get_node_by_index(linklist,temp);
		
	WINDOW *new_product = NULL;
	WINDOW *num = NULL,*amount = NULL;