commonfunction.c

在LINUX下实现的一个超市的收银系统

#include "extern.h"
#include "struct.h"
//其他普通函数

/*===========显示信息=========*/
void ShowMessage(char *ch)
{
    WINDOW *showmsg_win = newwin(3,40,20,20);
	wbkgd(showmsg_win,COLOR_PAIR(8));
	box(showmsg_win,0,0);	
    wattron(showmsg_win,COLOR_PAIR(8));
    mvwprintw(showmsg_win,1,1,ch);
    wrefresh(showmsg_win);
	sleep(1);
	wattroff(showmsg_win,COLOR_PAIR(8));
	delwin(showmsg_win);
	touchwin(stdscr);
	refresh();
}

int ErrLog(char *logfile,char *msg)
{

	FILE *fp;
	char *logpath=(logfile!=NULL)?logfile:"errorlog.log";           
	if ((fp=fopen(logpath,"a"))!=NULL) {
		fputs(msg, fp);
		fputs("\n", fp);
		fclose(fp);
		return 0;	
	}
	return -1;
}

/*===============报告proc中的错误.并保存日志===========*/
void DisplaySqlErrorMsg()
{
	char buf[100];
	int tmp;
	tmp=100;
	sqlglm(buf,&tmp,&tmp);
	buf[tmp]='\0';
	makelog(NULL,buf);
}

/*===========打印销售信息===========*/
void PrintSellInfo()
{
	wclear(sellinfo_win);
	touchwin(sell_main_win);
	wrefresh(sellinfo_win);

	int i=1;
	struct Sell *buf;
	buf = head->next;
	while (buf != NULL)
	{
		mvwprintw(sellinfo_win,i-1,1,"%d",i);
		mvwprintw(sellinfo_win,i-1,9,"%s",buf->bar_code);
		mvwprintw(sellinfo_win,i-1,21,"%s",buf->mer_name);
		mvwprintw(sellinfo_win,i-1,41,"%s",buf->mer_unit);
		mvwprintw(sellinfo_win,i-1,48,"%s",buf->mer_spec);
		mvwprintw(sellinfo_win,i-1,55,"%.2f",buf->sell_price);
			
		mvwprintw(sellinfo_win,i-1,62,"%d",buf->mer_amount);
		mvwprintw(sellinfo_win,i-1,69,"%.2f",buf->total_money);
		
		i++;
		buf = buf->next;
	}
	touchwin(sell_main_win);
	wrefresh(sellinfo_win);
	
}