下面的就是我的一段代码生成的是EAN_13标准的条码,需要php+gd 环境
[code:1:dfc50fedcf]<?
function EAN_13($code) {
//一个单元的宽度
$lw = 2;
//条码高
$hi = 100;
// the guide code is no coding,is used to show the left part coding type//
// Array guide is used to record the EAN_13 is left part coding type//
$Guide = array(1=>@#AAAAAA@#,@#AABABB@#,@#AABBAB@#,@#ABAABB@#,@#ABBAAB@#,@#ABBBAA@#,@#ABABAB@#,@#ABABBA@#,@#ABBABA@#);
$Lstart =@#101@#;
$Lencode = array("A" => array(@#0001101@#,@#0011001@#,@#0010011@#,@#0111101@#,@#0100011@#,@#0110001@#,@#0101111@#,@#0111011@#,@#0110111@#,@#0001011@#),
"B" => array(@#0100111@#,@#0110011@#,@#0011011@#,@#0100001@#,@#0011101@#,@#0111001@#,@#0000101@#,@#0010001@#,@#0001001@#,@#0010111@#));
$Rencode = array(@#1110010@#,@#1100110@#,@#1101100@#,@#1000010@#,@#1011100@#,
@#1001110@#,@#1010000@#,@#1000100@#,@#1001000@#,@#1110100@#);
$center = @#01010@#;
$ends = @#101@#;
if ( strlen($code) != 13 )
{ die("UPC-A Must be 13 digits."); }
$lsum =0;
$rsum =0;
for($i=0;$i<(strlen($code)-1);$i++)
{
if($i % 2)
{
// $odd += $ncode[$x]
$lsum +=(int)$code[$i];
}else{
$rsum +=(int)$code[$i];
}
}
$tsum = $lsum*3 + $rsum;
if($code[12] != (10-($tsum % 10)))
{
die("the code is bad!");
}
// echo $Guide[$code[0]];
$barcode = $Lstart;
for($i=1;$i<=6;$i++)
{
$barcode .= $Lencode [$Guide[$code[0]][($i-1)]] [$code[$i]];
}
$barcode .= $center;
for($i=7;$i<13;$i++)
{
$barcode .= $Rencode[$code[($i)]] ;
}
$barcode .= $ends;
$img = ImageCreate($lw*95+60,$hi+30);
$fg = ImageColorAllocate($img, 0, 0, 0);
$bg = ImageColorAllocate($img, 255, 255, 255);
ImageFilledRectangle($img, 0, 0, $lw*95+60, $hi+30, $bg);
$shift=10;
for ($x=0;$x<strlen($barcode);$x++) {
if (($x<4) || ($x>=45 && $x<50) || ($x >=92))
{
$sh=10;
} else {
$sh=0;
}
if ($barcode[$x] == @#1@#)
{
$color = $fg;
} else {
$color = $bg;
}
ImageFilledRectangle($img, ($x*$lw)+30,5,($x+1)*$lw+29,$hi+5+$sh,$color);
}
/* Add the Human Readable Label */
ImageString($img,5,20,$hi+5,$code[0],$fg);
for ($x=0;$x<6;$x++) {
ImageString($img,5,$lw*(8+$x*6)+30,$hi+5,$code[$x+1],$fg);
ImageString($img,5,$lw*(53+$x*6)+30,$hi+5,$code[$x+7],$fg);
}
// ImageString($img,4,$lw*95+17,$hi-5,$code[12],$fg);
/* Output the Header and Content. */
header("Content-Type: image/png");
ImagePNG($img);
}
EAN_13(@#6901028055048@#);
?>
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