thinkphp5使用ZipArchive压缩多个文件夹带图片

使用的TP框架,以及PHP自带的压缩类ZipArchive
展示效果

image.png image.png image.png

    public function testzip()
    {
        $imgs = array(
            "4" => array(
                'https://ss3.baidu.com/9fo3dSag_xI4khGko9WTAnF6hhy/image/h%3D300/sign=b74adc2efddeb48fe469a7dec01e3aef/b812c8fcc3cec3fdb6b3e13ad888d43f869427eb.jpg',
                'https://ss2.baidu.com/-vo3dSag_xI4khGko9WTAnF6hhy/image/h%3D300/sign=8c46925c297f9e2f6f351b082f31e962/500fd9f9d72a605908e0c1a02634349b023bba93.jpg',
                'https://ss0.baidu.com/7Po3dSag_xI4khGko9WTAnF6hhy/image/h%3D300/sign=0fcb287ab4a1cd111ab674208913c8b0/b219ebc4b74543a97531368610178a82b9011456.jpg',
            ),
            "7" => array(
                'https://ss3.baidu.com/-fo3dSag_xI4khGko9WTAnF6hhy/image/h%3D300/sign=52ecd2493a9b033b3388fada25cf3620/77c6a7efce1b9d167b3c552cfddeb48f8d546480.jpg',
                'https://ss2.baidu.com/-vo3dSag_xI4khGko9WTAnF6hhy/image/h%3D300/sign=f978ff2b9aeef01f52141ec5d0ff99e0/c2fdfc039245d68899c8f4ebaac27d1ed31b24b2.jpg',
            )
        );
        $name = "test";
        $filename = ROOT_PATH . 'public/uploads/downzip/' . $name . '.zip';
        $downname = $name . '.zip';
        $zip = new \ZipArchive();
        if ($zip->open($filename, \ZIPARCHIVE::CREATE) !== TRUE) {
            exit('无法打开文件，或者文件创建失败');
            return 0;
        }
        foreach ($imgs as $key => $val) {
            $i = 1;
            foreach ($val as $k => $v) {
                $zip->addFromString($key . '/' . $i . '.jpg', file_get_contents($v));
                $i++;
            }
        }
        $zip->close();
        $fp = fopen($filename, "r");
        $file_size = filesize($filename);//获取文件的字节

        header("Content-type: application/octet-stream");
        header("Accept-Ranges: bytes");
        header("Accept-Length:" . $file_size);
        header("Content-Disposition: attachment; filename=$downname");
        $buffer = 1024; //设置一次读取的字节数，每读取一次，就输出数据（即返回给浏览器）
        $file_count = 0; //读取的总字节数
        while (!feof($fp) && $file_count < $file_size) {
            $file_con = fread($fp, $buffer);
            $file_count += $buffer;
            echo $file_con;
        }
        fclose($fp);

    }