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郑州高端网站定制制作网站的时候，遇到百度编辑器需要添加水印，可是百度编辑器本身没有添加水印的功能，这个时候就需要添加了。以下是方法。
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1、找到config.json的文件，在第一行的时候，添加"iswatermark": "true",
2、找到这段代码
$base64 = "upload";
switch (htmlspecialchars($_GET['action'])) {
case 'uploadimage':
$config = array(
"pathFormat" => $CONFIG['imagepathFormat'],
"maxSize" => $CONFIG['imageMaxSize'],
"allowFiles" => $CONFIG['imageAllowFiles']
);
$fieldName = $CONFIG['imageFieldName'];
$watermark = $CONFIG['iswatermark'];
break;
3、找到这段代码
$up = new Uploader($fieldName, $config, $base64, $watermark);
4、找到Uploader.class.php这个文件
5、添加属性
private $water;
6、找到upFile()这个函数
在这个函数的最后一段代码后面添加
if($this->water){
$this->watermark($this->filepath,$this->filepath);
}
7、找到这个类里面的构造函数，修改这个头
public function __construct($fileField, $config, $type = "upload", $watermark = false )
8、在这个类里面的最后一个函数后面，添加两个函数
public function watermark($source, $target = '', $w_pos = '', $w_img = '', $w_text = 'www.aiyu.com',$w_font = 10, $w_color = '#CC0000') {
$this->w_img = src="/upload/article1/makk.png';//水印图片
$this->w_pos = 9;
$this->w_minwidth = 200;//最少宽度
$this->w_minheight = 100;//最少高度
$this->w_quality = 80;//图像质量
$this->w_pct = 85;//透明度
$w_pos = $w_pos ? $w_pos : $this->w_pos;
$w_img = $w_img ? $w_img : $this->w_img;
if(!$this->check($source)) return false;
if(!$target) $target = $source;
$source_info = getimagesize($source);//图片信息
$source_w = $source_info[0];//图片宽度
$source_h = $source_info[1];//图片高度
if($source_w < $this->w_minwidth || $source_h < $this->w_minheight) return false;
switch($source_info[2]) { //图片类型
case 1 : //GIF格式
$source_img = imagecreatefromgif($source);
break;
case 2 : //JpG格式
$source_img = imagecreatefromjpeg($source);
break;
case 3 : //pNG格式
$source_img = imagecreatefrompng($source);
//imagealphablending($source_img,false); //关闭混色模式
imagesavealpha($source_img,true); //设置标记以在保存 pNG 图像时保存完整的 alpha 通道信息（与单一透明色相反）
break;
default :
return false;
}
if(!empty($w_img) && file_exists($w_img)) { //水印图片有效
$ifwaterimage = 1; //标记
$water_info = getimagesize($w_img);
$width = $water_info[0];
$height = $water_info[1];
switch($water_info[2]) {
case 1 :
$water_img = imagecreatefromgif($w_img);
break;
case 2 :
$water_img = imagecreatefromjpeg($w_img);
break;
case 3 :
$water_img = imagecreatefrompng($w_img);
imagealphablending($water_img,false);
imagesavealpha($water_img,true);
break;
default :
return;
}
}else{
$ifwaterimage = 0;
$temp = imagettfbbox(ceil($w_font*2.5), 0, '../../texb.ttf', $w_text); //imagettfbbox返回一个含有 8 个单元的数组表示了文本外框的四个角
$width = $temp[2] - $temp[6];
$height = $temp[3] - $temp[7];
unset($temp);
}
switch($w_pos) {
case 1:
$wx = 5;
$wy = 5;
break;
case 2:
$wx = ($source_w - $width) / 2;
$wy = 0;
break;
case 3:
$wx = $source_w - $width;
$wy = 0;
break;
case 4:
$wx = 0;
$wy = ($source_h - $height) / 2;
break;
case 5:
$wx = ($source_w - $width) / 2;
$wy = ($source_h - $height) / 2;
break;
case 6:
$wx = $source_w - $width;
$wy = ($source_h - $height) / 2;
break;
case 7:
$wx = 0;
$wy = $source_h - $height;
break;
case 8:
$wx = ($source_w - $width) / 2;
$wy = $source_h - $height;
break;
case 9:
$wx = $source_w - ($width+5);
$wy = $source_h - ($height+5);
break;
case 10:
$wx = rand(0,($source_w - $width));
$wy = rand(0,($source_h - $height));
break;
default:
$wx = rand(0,($source_w - $width));
$wy = rand(0,($source_h - $height));
break;
}
if($ifwaterimage) {
if($water_info[2] == 3) {
imagecopy($source_img, $water_img, $wx, $wy, 0, 0, $width, $height);
}else{
imagecopymerge($source_img, $water_img, $wx, $wy, 0, 0, $width, $height, $this->w_pct);
}
}else{
if(!empty($w_color) && (strlen($w_color)==7)) {
$r = hexdec(substr($w_color,1,2));
$g = hexdec(substr($w_color,3,2));
$b = hexdec(substr($w_color,5));
}else{
return;
}
imagestring($source_img,$w_font,$wx,$wy,$w_text,imagecolorallocate($source_img,$r,$g,$b));
}
switch($source_info[2]) {
case 1 :
imagegif($source_img, $target);
//GIF 格式将图像输出到浏览器或文件(欲输出的图像资源, 指定输出图像的文件名)
break;
case 2 :
imagejpeg($source_img, $target, $this->w_quality);
break;
case 3 :
imagepng($source_img, $target);
break;
default :
return;
}
if(isset($water_info)){
unset($water_info);
}
if(isset($water_img)) {
imagedestroy($water_img);
}
unset($source_info);
imagedestroy($source_img);
return true;
}
public function check($image){
return extension_loaded('gd') && preg_match("/\.(jpg|jpeg|gif|png)/i", $image, $m) && file_exists($image) && function_exists('imagecreatefrom'.($m[1] == 'jpg' ? 'jpeg' : $m[1]));
}