saleform.ui.h

一个简单的pos机程序

/****************************************************************************
** ui.h extension file, included from the uic-generated form implementation.
**
** If you wish to add, delete or rename functions or slots use
** Qt Designer which will update this file, preserving your code. Create an
** init() function in place of a constructor, and a destroy() function in
** place of a destructor.
*****************************************************************************/

#include <qsqlcursor.h>
#include <qtable.h>
#include <qmessagebox.h>
#include <.ui/saleform.h>
#include <qdatetime.h>
#include <qnamespace.h>
#include <qvariant.h>
#include "XmlWriter.h"
#include ".ui/cash.h"
#include "driver.h"
#include <fcntl.h>

void saleForm::lineEdit1_returnPressed()
{
    static double sum=0;
    static int row=0;
    
    textLabel3->setText("200501180001");
    textLabel16->setText(tr("操作人员: tom"));
    
    QSqlCursor cur( "product" );
    
    if (lineEdit1->text() != "")
    {
	QSqlQuery q( "select code, name, saleprice, discount from product where code='"+lineEdit1->text()+"';" );
	if ( q.next() )
	{
		table1->insertRows(row);
		table1->setText(row, 0, q.value(0).toString());
		table1->setText(row, 1, q.value(1).toString());
		table1->setText(row, 2, "1");
		table1->setText(row, 3, q.value(2).toString());
		table1->setText(row, 4, q.value(3).toString());
		table1->setText(row++, 5, q.value(2).toString());

		textLabel8->setText(q.value(1).toString());
		textLabel9->setText(q.value(2).toString()/*q.value(1).toString()*/);
		textLabel11->setText("1");
		textLabel13->setText(q.value(2).toString());

		sum += q.value(2).toDouble();
		QVariant var(sum);
		textLabel5->setText(var.toString());

		if (row == 1)
		{
			PalPrnStr(fd, "        某某大型超市", 20);
			PalPrnStr(fd, "流水号:200501180001\n", 20);
			PalPrnStr(fd, "编码    商品名    单价    数量", 30);
		}
		
		QString info(q.value(0).toString()+"     "+q.value(1).toString()+"  "+q.value(2).toString()+"    1");
		
		PalPrnStr(fd, info.ascii(), info.length());
		
		iopl(3);    //进入内核模式
		QString price(q.value(2).toString());
		int pos = price.find(".");
		if (pos == -1)
		{
			price.append(".00");
		//	printf("price.append('.00') = %s\n", price);
		}
		else if ((price.length()-pos)==2)
		{
			price.append("0");
		//	printf("price.append('0') = %s\n", price);
		}
		else
		{
		//	printf("price.append('') = %s\n", price);
		}
		CD109_Trans(5,1,1,price.ascii());
		iopl(0);  //返回用户模式

	//	table1->setText(0,0,"test");
	}
	else
	{
		QMessageBox::warning( this, "Error!", tr("没有此商品") );
	}
    }
    else
    {
    	int rows = table1->numRows();
	int i;
	
	if (rows > 0)
	{
		PalPrnStr(fd, "\n\n\n\n", 4);
		cashForm *fm = new cashForm(this, 0, 1, WDestructiveClose, sum);
		fm->exec();
		
		QSqlCursor cur1( "sales" );
		
	QDateTime dt = QDateTime::currentDateTime();
	Qt::DateFormat f = Qt::ISODate;

	for (i=0;i<rows;i++)
	{
		QSqlRecord *buffer = cur1.primeInsert();
		buffer->setValue( "flowno", "200501180001" );
		buffer->setValue( "date", dt.toString(f) );
		buffer->setValue( "code", table1->text(i, 0) );
		buffer->setValue( "name", table1->text(i, 1) );
		buffer->setValue( "price", table1->text(i, 2).toDouble() );
		buffer->setValue( "count", table1->text(i, 3).toInt() );
		buffer->setValue( "discount", table1->text(i, 4).toInt() );
		buffer->setValue( "total", table1->text(i, 5).toDouble() );
		buffer->setValue( "saler", "tom" );
		cur1.insert();
	}
	    
	XmlWriter w;
	char *ns1[] = {"ns", "http://www.newstar.com/embedded/"};

	char *attr1[2] = {"id", "0"};
	char id[6];

	w = XmlWriterCreate();
	
	WriteStartDocument(w);
	
	WriteComment(w, "Test XML!");
	
	WriteStartElement(w, "SaleTable", ns1);
	WriteNamespaces(w, ns1);

	WriteStartElement(w, "Order", ns1);
	
	WriteStartElement(w, "flowno", ns1);
	WriteValue(w, "200501180001");
	WriteEndElement(w, "flowno", ns1);
	
	WriteStartElement(w, "date", ns1);
	WriteValue(w, dt.toString(f));
	WriteEndElement(w, "date", ns1);
	
	for (i=0;i<rows;i++)
	{
	itoa(i+1, id, 0);
	attr1[1] = id;
	
	WriteStartElement(w, "Item", ns1);
	WriteAttributeString(w, attr1, NONAMESPACE);
	
	WriteStartElement(w, "code", NONAMESPACE);
	WriteValue(w, table1->text(i, 0));
	WriteEndElement(w, "code", NONAMESPACE);
	
	WriteStartElement(w, "name", NONAMESPACE);
	WriteValue(w, table1->text(i, 1));
	WriteEndElement(w, "name", NONAMESPACE);
	
	WriteStartElement(w, "price", NONAMESPACE);
	WriteValue(w, table1->text(i, 2));
	WriteEndElement(w, "price", NONAMESPACE);
	
	WriteStartElement(w, "count", NONAMESPACE);
	WriteValue(w, table1->text(i, 3));
	WriteEndElement(w, "count", NONAMESPACE);
	
	WriteStartElement(w, "discount", NONAMESPACE);
	WriteValue(w, table1->text(i, 4));
	WriteEndElement(w, "discount", NONAMESPACE);
	
	WriteStartElement(w, "total", NONAMESPACE);
	WriteValue(w, table1->text(i, 5));
	WriteEndElement(w, "total", NONAMESPACE);
	
	WriteEndElement(w, "Item", ns1);
	
	}
	
	WriteStartElement(w, "saler", ns1);
	WriteValue(w, "tom");
	WriteEndElement(w, "saler", ns1);
	
	WriteEndElement(w, "Order", ns1);  
	WriteEndElement(w, "SaleTable", ns1);
	WriteEndDocument(w);

//		printf("%s", w->buf_start);
	QMessageBox::warning( this, "XML Test!", w->buf_start );
	
	PalPrnStr(fd, w->buf_start, _GetLength(w));

	XmlWriterFree(w);

	}
    }
    
    lineEdit1->setText("");
    lineEdit1->setFocus();
}

void saleForm::displayDateTime()
{
    QDateTime dt = QDateTime::currentDateTime();
    Qt::DateFormat f = Qt::ISODate;
    
    textLabel15->setText(tr("当前时间:") + dt.toString(f));
    timer->start( 1000, TRUE ); // 1 seconds single-shot timer
}

void saleForm::itoa(int in, char *buf, int len)
{
    int _in = in;
    int tmp1, i, m;
    int j=0;
    
       if (_in > 10000)
       {
           i=4;
	   m=10000;
       }
       else if (_in >1000)
       {
           i=3;
	   m=1000;
       }
       else if (_in >100)
       {
           i=2;
	   m=100;
       }
       else if (_in >10)
       {
           i=1;
	   m=10;
       }
       else
       {
           i=0;
	   m=1;
       }
    
       for (;i>=0;i--)
       {
         tmp1 = _in/m;
	 buf[j++] = (char)(tmp1 + 48);
	 _in = _in%m;
	 m = m/10;
       }
       
       buf[j] = '\0';
}


void saleForm::saleForm_destroyed()
{
    CloseDev(fd);
}