效果图
二维码生成方法采用phpqrcode插件 ，采用命名空间设计在extend建立phpqrcode文件夹，下面在建立QRcode.php
QRcode.php
代码太长附下载链接
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use phpqrcode\QRcode;
//生成二维码图片返回链接地址
public function qrcode(){
$recommend = "10003";
$url = config('WEB_URL')."?recommend=".$recommend;
$path = "./public/qrcode/".$recommend.".jpg";
if(!file_exists('./public/qrcode/')){
mkdir('./public/qrcode/',0777,true);
}
$level=3;
$size=5;
$errorCorrectionLevel =intval($level);
$matrixPointSize = intval($size);
QRcode::png($url, $path, $errorCorrectionLevel, $matrixPointSize, 2);
$host = config('WEB_URL');
$r_path = "/public/qrcode/".$recommend.".jpg";
$img = $host.'/'.$r_path;
return $img;
}
/**
* 生成宣传海报
* @param array 参数,包括图片和文字
* @param string $filename 生成海报文件名,不传此参数则不生成文件,直接输出图片
* @return [type] [description]
*/
function createPoster($config=array(),$filename=""){
//如果要看报什么错，可以先注释调这个header
if(empty($filename)) header("content-type: image/png");
$imageDefault = array(
'left'=>0,
'top'=>0,
'right'=>0,
'bottom'=>0,
'width'=>100,
'height'=>100,
'opacity'=>100
);
$textDefault = array(
'text'=>'',
'left'=>0,
'top'=>0,
'fontSize'=>32, //字号
'fontColor'=>'255,255,255', //字体颜色
'angle'=>0,
);
$background = $config['background'];//海报最底层得背景
//背景方法
$backgroundInfo = getimagesize($background);
$backgroundFun = 'imagecreatefrom'.image_type_to_extension($backgroundInfo[2], false);
$background = $backgroundFun($background);
$backgroundWidth = imagesx($background); //背景宽度
$backgroundHeight = imagesy($background); //背景高度
$imageRes = imageCreatetruecolor($backgroundWidth,$backgroundHeight);
$color = imagecolorallocate($imageRes, 0, 0, 0);
imagefill($imageRes, 0, 0, $color);
// imageColorTransparent($imageRes, $color); //颜色透明
imagecopyresampled($imageRes,$background,0,0,0,0,imagesx($background),imagesy($background),imagesx($background),imagesy($background));
//处理了图片
if(!empty($config['image'])){
foreach ($config['image'] as $key => $val) {
$val = array_merge($imageDefault,$val);
$info = getimagesize($val['url']);
$function = 'imagecreatefrom'.image_type_to_extension($info[2], false);
if($val['stream']){ //如果传的是字符串图像流
$info = getimagesizefromstring($val['url']);
$function = 'imagecreatefromstring';
}
$res = $function($val['url']);
$resWidth = $info[0];
$resHeight = $info[1];
//建立画板 ，缩放图片至指定尺寸
$canvas=imagecreatetruecolor($val['width'], $val['height']);
imagefill($canvas, 0, 0, $color);
//关键函数，参数（目标资源，源，目标资源的开始坐标x,y, 源资源的开始坐标x,y,目标资源的宽高w,h,源资源的宽高w,h）
imagecopyresampled($canvas, $res, 0, 0, 0, 0, $val['width'], $val['height'],$resWidth,$resHeight);
$val['left'] = $val['left']<0?$backgroundWidth- abs($val['left']) - $val['width']:$val['left'];
$val['top'] = $val['top']<0?$backgroundHeight- abs($val['top']) - $val['height']:$val['top'];
//放置图像
imagecopymerge($imageRes,$canvas, $val['left'],$val['top'],$val['right'],$val['bottom'],$val['width'],$val['height'],$val['opacity']);//左，上，右，下，宽度，高度，透明度
}
}
//处理文字
if(!empty($config['text'])){
foreach ($config['text'] as $key => $val) {
$val = array_merge($textDefault,$val);
list($R,$G,$B) = explode(',', $val['fontColor']);
$fontColor = imagecolorallocate($imageRes, $R, $G, $B);
$val['left'] = $val['left']<0?$backgroundWidth- abs($val['left']):$val['left'];
$val['top'] = $val['top']<0?$backgroundHeight- abs($val['top']):$val['top'];
imagettftext($imageRes,$val['fontSize'],$val['angle'],$val['left'],$val['top'],$fontColor,$val['fontPath'],$val['text']);
}
}
//生成图片
if(!empty($filename)){
$res = imagejpeg ($imageRes,$filename); //保存到本地
imagedestroy($imageRes);
if(!$res) return false;
return $filename;
}else{
imagejpeg ($imageRes); //在浏览器上显示
imagedestroy($imageRes);
}
}
绘图合并
public function user_qrcode(){
$config = array(
'text'=>array(
array(
'text'=>'不看二生',
'left'=>182,
'top'=>100,
'fontPath'=>'qrcode/simhei.ttf', //字体文件
'fontSize'=>36, //字号
'fontColor'=>'255,255,255', //字体颜色
'angle'=>0,
),
array(
'text'=>'我已使用，邀请你成为口播大师',
'left'=>182,
'top'=>160,
'fontPath'=>'qrcode/simhei.ttf', //字体文件
'fontSize'=>24, //字号
'fontColor'=>'255,255,255', //字体颜色
'angle'=>0,
)
),
'image'=>array(
array(
'url'=>'', //图片资源路径
'stream'=>0,
'left'=>250,
'top'=>-130,
'right'=>0,
'bottom'=>0,
'width'=>190,
'height'=>190,
'opacity'=>100
),
array(
'url'=>'',
'left'=>40,
'top'=>50,
'right'=>0,
'stream'=>0,
'bottom'=>0,
'width'=>120,
'height'=>120,
'opacity'=>100
),
),
'background'=>'',
);
//$filename = "./public/qrcode/"."1.jpg";
//echo $this->createPoster($config,$filename);
$this->createPoster($config);
die;
}