php生成推广二维码海报、合成图片

1、海报背景图。背景图一般存服务器，程序本地读取；
2、推广二维码。可以是二维码图片链接，也可以是字符串图像流。如果自己生成二维码，详见phpqrcode官网，地址：https://sourceforge.net/projects/phpqrcode。
3、开启PHP的GD扩展

index.php

<?phprequire_once  "Imgcode.php";$codedata = array("portrait" => array("thumb" => 'test.jpg', "left" => 40, "top" => 40, "width" => 100, "height" => 100), // 店铺logo"shopname" => array("text" => '店铺名称', "left" => 160, "top" => 80, "size" => 28, "width" => 360, "height" => 50, "color" => "#333"), // 店铺名称"thumb" => array("thumb" => 'code.png', "left" => 40, "top" => 160, "width" => 560, "height" => 560), // 店铺二维码"desc" => array("text" => "长按二维码扫码进入", "left" => 210, "top" => 980, "size" => 18, "color" => "#666"));$parameter = array("goodsid" => 'goodsid', "qrcode" => 'code.png',/* 二维码地址 */ "codedata" => $codedata, "mid" => 0, "codeshare" => 1);$img = createcode($parameter);echo  '<img src="'.$img.'" height="100%">';?>

Imgcode.php

<?phpfunction createcode($parameter){$path =  "addons/data/imgcode/";$goodsid = $parameter["goodsid"]; // 商品id$qrcode = $parameter["qrcode"]; //  二维码$data = $parameter["codedata"];$mid = $parameter["mid"];$codeshare = $parameter["codeshare"];if (!is_dir($path)) {mkdir($path,0777,true);}$md5 = md5(json_encode(array("goodsid" => $goodsid, "title" => $data["title"]["text"], "price" => $data["price"]["text"], "codeshare" => $parameter["codeshare"], "codedata" => $data, "mid" => $mid)));$file = $md5 . ".jpg";if (!is_file($path . $file)) {set_time_limit(0);@ini_set("memory_limit", "256M");$target = imagecreatetruecolor(640, 1060);  // 海报宽高$color = imagecolorAllocate($target, 255, 255, 255);imagefill($target, 0, 0, $color);imagecopy($target, $target, 0, 0, 0, 0, 640, 1060);$target = mergeText($target, $data["shopname"], $data["shopname"]["text"]);$thumb = preg_replace("/\\/0\$/i", "/96", $data["portrait"]["thumb"]);!empty($data['portrait']) && $target = mergeImage($target, $data["portrait"], $thumb);$thumb = preg_replace("/\\/0\$/i", "/96", $data["thumb"]["thumb"]);!empty($data['thumb']) && $target = mergeImage($target, $data["thumb"], $thumb);$qrcode = preg_replace("/\\/0\$/i", "/96", $data["qrcode"]["thumb"]);!empty($data['qrcode']) && $target = mergeImage($target, $data["qrcode"], $qrcode);$target = mergeText($target, $data["title"], $data["title"]["text"]);$target = mergeText($target, $data["price"], $data["price"]["text"]);$target = mergeText($target, $data["desc"], $data["desc"]["text"]);imagepng($target, $path . $file);imagedestroy($target);}$img = "addons/data/imgcode/"  . $file;return $img;}
function createImage($imgurl){ini_set("memory_limit", "-1");$imgurl = file_get_contents($imgurl,true);return imagecreatefromstring($imgurl);}
function mergeImage($target, $data, $imgurl){// if(empty($imgurl))$img = createImage($imgurl);$w = imagesx($img);$h = imagesy($img);imagecopyresized($target, $img, $data["left"], $data["top"], 0, 0, $data["width"], $data["height"], $w, $h);imagedestroy($img);return $target;}
function mergeText($target, $data, $text, $center = false){// $font =  "addons/data/msyh.ttf";$font = realpath('addons/data/msyh.ttf');$colors = hex2rgb($data["color"]);$color = imagecolorallocate($target, $colors["red"], $colors["green"], $colors["blue"]);if ($center) {$fontBox = imagettfbbox($data["size"], 0, $font, $data["text"]);imagettftext($target, $data["size"], 0, ceil(($data["width"] - $fontBox[2]) / 2), $data["top"] + $data["size"], $color, $font, $text);} else {imagettftext($target, $data["size"], 0, $data["left"], $data["top"] + $data["size"], $color, $font, $text);}return $target;}
function hex2rgb($colour){if ($colour[0] == "#") {$colour = substr($colour, 1);}if (strlen($colour) == 6) {list($r, $g, $b) = array($colour[0] . $colour[1], $colour[2] . $colour[3], $colour[4] . $colour[5]);} else {if (strlen($colour) == 3) {list($r, $g, $b) = array($colour[0] . $colour[0], $colour[1] . $colour[1], $colour[2] . $colour[2]);} else {return false;}}$r = hexdec($r);$g = hexdec($g);$b = hexdec($b);return array("red" => $r, "green" => $g, "blue" => $b);}

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php生成推广二维码海报、合成图片demo

php生成推广二维码海报、合成图片

index.php

Imgcode.php

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