图片可以显示但是不显示水印文字，封装好的压缩图片和没有封装的文字水印都能运行

<?php 

    require "imageClass.php";

    $src = '250px-Wtybill.jpeg';

    $image = new Image($src);

$font_url = "msyh.ttc";

$content = "wtybill";

$color = array(

0=>255,

1=>225,

2=>225,

);

$transparency = 30;

$size = 20;

$rotate = 10;

$move = array(

'x'=>20,

'y'=>30

);

    $image->fontMark($font_url,$content,$color,$transparency,$Size,$rotate,$move);

    $image->show();

$image->save(success);

?>

<title>封装-压缩图片</title>

<?php

class Image{

private $info;

public $image;

public function __construct($str){

$info = getimagesize($str);

$this->info = array(

'width'=>$info[0],

'height'=>$info[1],

'type'=>image_type_to_extension($info[2],false),

'mime'=>$info['mime'],

);

$fun = "imagecreatefrom{$this->info['type']}";

$this->image = $fun($str);

}

public function thumb($width,$height){

$image_thumb = imagecreatetruecolor(300,200);

imagecopyresampled($image_thumb,$this->image,0,0,0,0,$width,$height,$this->info['width'],$this->info['height']);

imagedestroy($this->image);

$this->image =$image_thumb; 

}

public function fontMark($font_url,$content,$color,$transparency,$Size,$rotate,$move){

$col = imagecolorallocatealpha($this->image,$color[0],$color[1],$color[2],$transparency);

imagettftext($this->image,$size,$rotate,$move['x'],$move['y'],$col,$font_url,$content);

}

public function show(){

ob_clean();

header("content-type:".$this->info['mime']);

$funs = "image{$this->info['type']}";

$funs($this->image);

}

public function save($newname){

$funs = "image{$this->info['type']}";

$funs($this->image,$newname.".".$this->info['type']);

}

public function __destruct(){     

                imagedestroy($this->image);  

        }

}

?>