通过 PHP 生成 一维码
此代码来自 http://www.nixiaofeng.com/110.html
<?php$code = $_GET['code'];if ($code != "") { if (!is_numeric($code)) die('输入的不是数字'); if (strlen($code) < 12 || strlen($code) > 13) die('条码长度不正确'); if (strlen($code) == 12) { // 计算校验位 $lsum = 0; $rsum = 0; for($i=1; $i<=strlen($code); $i++) { if($i % 2) { $lsum += (int)$code[$i-1]; }else{ $rsum += (int)$code[$i-1]; } } $tsum = $lsum + $rsum * 3; $chkdig = 10 - ($tsum % 10); if ($chkdig == 10) $chkdig = 0; $code .= $chkdig; } // 定义起始付 $start = '101'; // 定义中止符 $end = '101'; // 定义中间分隔符 $center = '01010'; // 定义左资料码 $Guide = array(0=>'AAAAAA','AABABB','AABBAB','AABBBA','ABAABB','ABBAAB','ABBBAA','ABABAB','ABABBA','ABBABA'); // 定义左侧码,分为“A”、“B”两种 $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')); // 定义右侧码,统一为“C”编码 $Rencode = array('1110010','1100110','1101100','1000010','1011100','1001110','1010000','1000100','1001000','1110100'); // 编码起始符 $barcode = $start; // 编码左资料位 for($i=1; $i<=6; $i++) { $barcode .= $Lencode[$Guide[$code[0]][($i-1)]][$code[$i]]; } // 编码中间分隔符 $barcode .= $center; // 编码右资料位 for($i=7; $i<13; $i++) { $barcode .= $Rencode[$code[($i)]]; } // 编码中止符 $barcode .= $end; // 定义每个条码单元的宽度和高度,单位是像素 $width = 2; $height = 40; // 定义起始符、中止符、中间分隔符的高度增量 $increment = 10; // 创建方形(×95是因为整个条码共95个单元,+60和+30是给条码图片周围留空白边框) $img = ImageCreate($width*95+60,$height+30); // 目前这个方形是透明的 // “1”的颜色(黑)与“0”的颜色(白) $fg = ImageColorAllocate($img, 0, 0, 0); $bg = ImageColorAllocate($img, 255, 255, 255); // 以“0”的颜色(白色),填充整个方形 ImageFilledRectangle($img, 0, 0, $width*95+60, $height+30, $bg); // 循环编码后的每一个单元,输出条码图形 for ($x=0; $x<strlen($barcode); $x++) { // ($x<4) 为起始符,($x>=92)为中止符,($x>=45 && $x<50)为中间分隔符 // 这3个需要将高度增加 if (($x<4) || ($x>=45 && $x<50) || ($x>=92)) { $increment = 10; } else { $increment = 0; } // 当编码值为“1”时,输出黑色;当编码值为“0”时,输出白色 if ($barcode[$x] == '1') { $color = $fg; } else { $color = $bg; } ImageFilledRectangle($img, ($x*$width)+30,5,($x+1)*$width+29,$height+$increment,$color); } ImageString($img, 5, 20, $height+5, $code[0], $fg); for ($x=0; $x<6; $x++) { // 左侧识别码 ImageString($img, 5, $width*(8+$x*6)+30, $height+5, $code[$x+1], $fg); // 右侧识别码 ImageString($img, 5, $width*(53+$x*6)+30, $height+5, $code[$x+7], $fg); } header("Content-Type: image/jpeg"); ImageJPEG($img, "", 100);}?><form action="?">输入EAN-13条形码(如果输入12位长度,将自动计算校验位)<input type="text" name="code"> <input type="submit" value="生成条码图片"></form>


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