//图片水印
$mark_filename = './02.jpg';
//获取图片信息
$info = getimagesize($mark_filename); //获取图片的后缀
$type = image_type_to_extension($info[2], false);
//拼接图片资源句柄函数
$func = 'imagecreatefrom' . $type;
//创建图片资源句柄
$images = $func($mark_filename); //裁剪图片的大小为原图的4分之一
$w = $info[0] / 4;
$h = $info[1] / 4;
//在内存中创建画板
$mark_image = imagecreatetruecolor($w, $h); //裁剪
imagecopyresampled($mark_image, $images, 0, 0, 0, 0, $w, $h,$info[0],$info[1]); //销毁内存
imagedestroy($images); //需要加水印的图片
$filename = '11.jpg';
//获取图片信息
$mark = getimagesize($filename);
//获取图片后缀
$mark_type = image_type_to_extension($mark[2], false); //创建图片资源句柄
$mark_func = 'imagecreatefrom' . $mark_type;
$image = $mark_func($filename); //合并,添加水印图片
imagecopymerge($image, $mark_image, 20, 30, 0, 0, $w, $h, 50); //销毁内存
imagedestroy($mark_image); //文字水印
$font = "MSYH.TTF";
$content = "this 文字";
//设置字体的颜色及透明图
$col = imagecolorallocatealpha($image, 45, 56, 123, 50);
//将文字写入图片
imagettftext($image, 20, 30, 400, 100, $col, $font, $content); //图片输出函数拼接
$outFunc = 'image'.$type; //设置文件路径
$ml = date('Ymd', time());//目录名称
$url = $ml.'/'.time().'.png';//存储的路径 //判断目录是否存在
if (file_exists($ml) == false){
//创建目录,并且设置最高权限
if (mkdir($ml, 0700, true)){
echo '创建目录成功';
}else{
echo '创建目录失败';
}
} //判断是http还是https
$http_type = ((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') || (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https')) ? 'https://' : 'http://';
//全路径
$urls = $http_type . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] . $url; //生成图片
if ($outFunc($image,$url)){
var_dump('压缩图片成功,图片路径为:'.$urls);
}else{
var_dump('压缩图片失败');
}
参考文章:https://blog.csdn.net/Just_shunjian/article/details/78392628