<?
$zoom=3;
?>
<html>
<head>
<title>code39条形码显示程序</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body bgcolor="#FFFFFF">
<?
class pattenclass
{
var $color;
var $width;
function pattenclass($color,$width)
{
$this->color=$color;
$this->width=$width;
}
}
$patten[0]=new pattenclass("#FFFFFF",1*$zoom);
$patten[1]=new pattenclass("#FFFFFF",3*$zoom);
$patten[2]=new pattenclass("#000000",1*$zoom);
$patten[3]=new pattenclass("#000000",3*$zoom);
function code39($code)//code39解码
{
switch ($code)
{
case "0":return ("202130302");
case "1":return ("302120203");
case "2":return ("203120203");
case "3":return ("303120202");
case "4":return ("202130203");
case "5":return ("302130202");
case "6":return ("203130202");
case "7":return ("202120303");
case "8":return ("302120302");
case "9":return ("203120302");
case "A":return ("302021203");
case "B":return ("203021203");
case "C":return ("303021202");
case "D":return ("202031203");
case "E":return ("302031202");
case "F":return ("203031202");
case "G":return ("202021303");
case "H":return ("302021302");
case "I":return ("203021300");
case "J":return ("202031302");
case "K":return ("302020213");
case "L":return ("203020213");
case "M":return ("303020212");
case "N":return ("202030213");
case "O":return ("302030212");
case "P":return ("203030212");
case "Q":return ("202020313");
case "R":return ("302020312");
case "S":return ("203020312");
case "T":return ("202030312");
case "U":return ("312020203");
case "V":return ("213020203");
case "W":return ("313020202");
case "X":return ("212030203");
case "Y":return ("312030202");
case "Z":return ("213030202");
case "-":return ("212020303");
case ".":return ("312020302");
case " ":return ("213020302");
case "*":return ("212030302");
case "$":return ("212121202");
case "/":return ("212120212");
case "+":return ("212021212");
case "%":return ("202121212");
}
return ("212030302");
}
function display($code)//输出单个字符
{
GLOBAL $patten;
$code=strtok($code,"");
for ($i=0;$i<9;$i++)
{
echo "<td height=30 bgcolor=".$patten[$code[$i]]->color." width=".$patten[$code[$i]]->width."></td>";
}
}
function paint($code)//全部输出
{
GLOBAL $patten,$zoom;
echo $code."<br>";
echo "<table width=".(15*(strlen($code)+2)*$zoom)." height=30 border=0 cellspacing=0 cellpadding=0><tr>";
display(code39("*"));
echo "<td height=30 bgcolor=".$patten[0]->color." width=".$patten[0]->width."></td>";
$code=strtok($code,"");
for ($i=0;$i<strlen($code);$i++)
{
display(code39($code[$i]));
echo "<td height=30 bgcolor=".$patten[0]->color." width=".$patten[0]->width."></td>";
}
display(code39("*"));
echo "</tr></table>";
}
paint("0123456789ABCD");
?>
</body>
</html>
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