PHP Image::thumb方法代码示例

function upload()
{
    $path = "./uploads/";
    //设置图片上传路径
    $up = new FileUpload($path);
    //创建文件上传类对象
    if ($up->upload('pic')) {
        //上传图片
        $filename = $up->getFileName();
        //获取上传后的图片名
        $img = new Image($path);
        //创建图像处理类对象
        $img->thumb($filename, 300, 300, "");
        //将上传的图片都缩放至在300X300以内
        $img->thumb($filename, 80, 80, "icon_");
        //缩放一个80x80的图标，使用icon_作前缀
        $img->watermark($filename, "logo.gif", 5, "");
        //为上传的图片加上图片水印
        return array(true, $filename);
        //如果成功返回成功状态和图片名称
    } else {
        return array(false, $up->getErrorMsg());
        //如果失败返回失败状态和错误消息
    }
}

 public function index()
 {
     echo ROOT_PATH . '/code.jpeg';
     $img = new Image('/code.jpeg');
     $img->thumb(100, 200);
     $img->out();
 }

 private function save($file)
 {
     $filename = $file['savepath'] . $file['savename'];
     if (!$this->uploadReplace && is_file($filename)) {
         $this->error = LParse(L('_FILE_REPLACE_ERROR_'), array($filename));
         return false;
     }
     if (!move_uploaded_file($file['tmp_name'], auto_charset($filename, 'utf-8', 'gbk'))) {
         $this->error = L('_FILE_MOVE_ERROR_');
         return false;
     }
     if ($this->thumb) {
         import("ORG.Util.Image");
         $image = Image::getImageInfo($filename);
         if (false !== $image) {
             $thumbWidth = explode(',', $this->thumbMaxWidth);
             $thumbHeight = explode(',', $this->thumbMaxHeight);
             $thumbPrefix = explode(',', $this->thumbPrefix);
             $thumbSuffix = explode(',', $this->thumbSuffix);
             $thumbPath = $this->thumbPath ? $this->thumbPath : $file['savepath'];
             for ($i = 0, $len = count($thumbWidth); $i < $len; $i++) {
                 $thumbname = $thumbPath . $thumbPrefix[$i] . substr($file['savename'], 0, strrpos($file['savename'], '.')) . $thumbSuffix[$i] . '.' . $file['extension'];
                 Image::thumb($filename, '', $thumbname, $thumbWidth[$i], $thumbHeight[$i], true);
             }
         }
     }
     if ($this->zipImages) {
         // TODO Image compression package on-line decompression
     }
     return true;
 }

 private function thumb_href($source_path, $width, $height)
 {
     if (!file_exists($source_path)) {
         return null;
     }
     $name = 'thumb-' . sha1($source_path) . '-' . $width . 'x' . $height . '.jpg';
     $thumb_path = $this->thumbs_path . '/' . $name;
     $thumb_href = $this->thumbs_href . '/' . $name;
     if (!file_exists($thumb_path) || filemtime($source_path) >= filemtime($thumb_path)) {
         $image = new Image();
         $et = false;
         if ($this->setup->get('HAS_PHP_EXIF') && $this->context->query_option('thumbnails.exif', false) === true && $height != 0) {
             $et = @exif_thumbnail($source_path);
         }
         if ($et !== false) {
             file_put_contents($thumb_path, $et);
             $image->set_source($thumb_path);
             $image->normalize_exif_orientation($source_path);
         } else {
             $image->set_source($source_path);
         }
         $image->thumb($width, $height);
         $image->save_dest_jpeg($thumb_path, 80);
     }
     return file_exists($thumb_path) ? $thumb_href : null;
 }

 private function thumb_href($source_abs_path, $mode, $width, $height)
 {
     if (!file_exists($source_abs_path)) {
         return null;
     }
     if (!is_dir($this->thumbs_path)) {
         @mkdir($this->thumbs_path, 0755, true);
     }
     $name = "thumb-" . sha1("{$source_abs_path}-{$width}-{$height}-{$mode}") . ".jpg";
     $thumb_abs_path = $this->thumbs_path . "/" . $name;
     $thumb_abs_href = $this->thumbs_href . "/" . $name;
     if (!file_exists($thumb_abs_path) || filemtime($source_abs_path) >= filemtime($thumb_abs_path)) {
         $image = new Image();
         $et = false;
         $opts = $this->app->get_options();
         if ($opts["thumbnails"]["exif"] === true && function_exists("exif_thumbnail")) {
             $et = @exif_thumbnail($source_abs_path);
         }
         if ($et !== false) {
             file_put_contents($thumb_abs_path, $et);
             $image->set_source($thumb_abs_path);
             $image->normalize_exif_orientation($source_abs_path);
         } else {
             $image->set_source($source_abs_path);
         }
         $image->thumb($mode, $width, $height);
         $image->save_dest_jpeg($thumb_abs_path, 80);
     }
     return file_exists($thumb_abs_path) ? $thumb_abs_href : null;
 }

function Thumb($img, $width = '', $height = '')
{
    $thumb_img = 'Public/thumb.jpg';
    if ($img) {
        $img = substr($img, 1);
        $is_img = GetImageSize('./' . $img);
        //设置宽高 生成缩略图
        if (!empty($width) && !empty($height)) {
            import('ORG.Util.Image');
            $Image = new Image();
            $filename = 'Uploads/thumb/' . $width . '_' . $height . '/';
            //缩略图存储路径
            $new_name = strtr($img, array('/' => '_'));
            if (!file_exists($filename)) {
                @mkdir($filename, 0755);
            }
            if ($is_img) {
                $is_thumb = GetImageSize('./' . $filename . $new_name);
                if ($is_thumb) {
                    $thumb_img = $filename . $new_name;
                } else {
                    $Image->thumb($img, $filename . $new_name, '', $width, $height);
                    $thumb_img = $filename . $new_name;
                }
            }
        } else {
            if ($is_img) {
                $thumb_img = $img;
            }
        }
    }
    return '/' . $thumb_img;
}

 public function upload()
 {
     if (isset($_FILES['userfile']['tmp_name'])) {
         switch ($_POST['type']) {
             case 'face':
                 $width = 99;
                 $height = 100;
                 $info = '头像上传成功';
                 break;
             case 'ok':
                 $width = 300;
                 $height = 300;
                 $info = '图片上传成功';
                 break;
             case 'rotator':
                 $width = 1200;
                 $height = 530;
                 $info = '轮播器图片上传成功';
                 break;
             default:
                 exit('非法操作');
         }
         $upload = new UploadFile('userfile', $_POST['MAX_FILE_SIZE']);
         $path = $upload->getPath();
         $thumb = new Image($path);
         $thumb->thumb($width, $height);
         $thumb->outImage();
         $upload->alertThumbClose($info, $path);
     } else {
         Tool::alertBack('警告：未知错误');
     }
 }

 public function down_img($url, $mid = 'video')
 {
     $chr = strrchr($url, '.');
     $imgUrl = uniqid();
     $imgPath = $mid . '/' . date(C('upload_style'), time()) . '/';
     $imgPath_s = './' . C('upload_path') . '-s/' . $imgPath;
     $filename = './' . C('upload_path') . '/' . $imgPath . $imgUrl . $chr;
     $get_file = get_collect_file($url);
     if ($get_file) {
         write_file($filename, $get_file);
         //是否添加水印
         if (C('upload_water')) {
             import('ORG.Util.Image');
             Image::water($filename, C('upload_water_img'), '', C('upload_water_pct'), C('upload_water_pos'));
         }
         //是否生成缩略图
         if (C('upload_thumb')) {
             mkdirss($imgPath_s);
             import('ORG.Util.Image');
             Image::thumb($filename, $imgPath_s . $imgUrl . $chr, '', C('upload_thumb_w'), C('upload_thumb_h'), true);
         }
         //是否上传远程
         if (C('upload_ftp')) {
             $this->ftp_upload($imgPath . $imgUrl . $chr);
         }
         return $imgPath . $imgUrl . $chr;
     } else {
         return $url;
     }
 }

 private function thumb_href($source_path, $width, $height)
 {
     if (!file_exists($source_path)) {
         return null;
     }
     $name = "thumb-" . sha1("{$source_path}") . "-" . $width . "x" . $height . ".jpg";
     $thumb_path = $this->thumbs_path . "/" . $name;
     $thumb_url = $this->thumbs_href . "/" . $name;
     if (!file_exists($thumb_path) || filemtime($source_path) >= filemtime($thumb_path)) {
         $image = new Image();
         $et = false;
         $opts = $this->app->get_options();
         if (HAS_PHP_EXIF && $opts["thumbnails"]["exif"] === true && $height != 0) {
             $et = @exif_thumbnail($source_path);
         }
         if ($et !== false) {
             file_put_contents($thumb_path, $et);
             $image->set_source($thumb_path);
             $image->normalize_exif_orientation($source_path);
         } else {
             $image->set_source($source_path);
         }
         $image->thumb($width, $height);
         $image->save_dest_jpeg($thumb_path, 80);
     }
     return file_exists($thumb_path) ? $thumb_url : null;
 }

 public function uploadImg()
 {
     if (!$this->is_login()) {
         return;
     }
     import('ORG.Net.UploadFile');
     import('ORG.Util.Image');
     $where['id'] = array('in', array('1', '2', '3', '7', '8', '9', '10', '11', '12', '13', '14', '15', '16', '48'));
     $setInfo = $this->uploadSet->where($where)->select();
     $imgAllowExts = explode(',', $setInfo[2]['value']);
     $thumbMax = explode('x', $setInfo[5]['value']);
     $imageMax = explode('x', $setInfo[4]['value']);
     if (!file_exists('./' . $setInfo[0]['value'])) {
         mkdir('./' . $setInfo[0]['value']);
     }
     $savepath = './' . $setInfo[0]['value'];
     if ('1' == $setInfo[1]['value']) {
         $savepath = $savepath . '/' . date('Ymd') . '/';
     } else {
         if (!file_exists($savepath . '/' . date('Ym'))) {
             mkdir($savepath . '/' . date('Ym'));
         }
         $savepath = $savepath . '/' . date('Ym') . '/' . date('d') . '/';
     }
     if (!file_exists($savepath)) {
         mkdir($savepath);
     }
     $config = array('maxSize' => $setInfo[3]['value'] * 1024, 'supportMulti' => true, 'allowExts' => $imgAllowExts, 'thumb' => true, 'thumbMaxWidth' => $thumbMax[0], 'thumbMaxHeight' => $thumbMax[1], 'thumbPrefix' => 'thumb_', 'thumbSuffix' => '', 'thumbPath' => $savepath, 'thumbFile' => '', 'thumbExt' => '', 'thumbRemoveOrigin' => false, 'zipImages' => false, 'autoSub' => false, 'subType' => 'hash', 'dateFormat' => 'Ymd', 'hashLevel' => 1, 'savePath' => $savepath, 'autoCheck' => true, 'uploadReplace' => false, 'saveRule' => 'uniqid', 'hashType' => 'md5_file');
     $upload = new UploadFile($config);
     // 实例化上传类
     $image = new Image();
     if (!$upload->upload()) {
         // 上传错误提示错误信息
         $msg = $upload->getErrorMsg();
         print_r("{\"status\": 0, \"msg\":\"" . $msg . "\"}");
     } else {
         // 上传成功 获取上传文件信息
         $info = $upload->getUploadFileInfo();
         // 			$imgPath = substr($info[0]['savepath'].$info[0]['savename'],1);
         $imgPath = $info[0]['savepath'] . $info[0]['savename'];
         $thumb = $info[0]['savepath'] . 'thumb_' . $info[0]['savename'];
         $image->thumb($imgPath, $info[0]['savepath'] . 'headb_' . $info[0]['savename'], '', 160, 160);
         $image->thumb($imgPath, $info[0]['savepath'] . 'headm_' . $info[0]['savename'], '', 60, 60);
         print_r("{\"status\": 1,\"thumb\":\"" . substr($thumb, 1) . "\", \"path\": \"" . substr($imgPath, 1) . "\"}");
     }
 }

 public function create($force = 0)
 {
     if ($force === 2 || $force === 1 && !file_exists($this->path) || file_exists($this->path) && filemtime($this->srcAbsPath) >= filemtime($this->path)) {
         $image = new Image();
         $image->setSource($this->srcAbsPath);
         $image->thumb($this->mode, $this->width, $this->height);
         $image->saveDest($this->path);
     }
 }

 function saveAvatar($uid, $faceurl)
 {
     $this->uid = $uid;
     $original = $this->getSavePath() . "/original.jpg";
     $big = $this->getSavePath() . "/big.jpg";
     $small = $this->getSavePath() . "/small.jpg";
     include SITE_PATH . '/addons/libs/Image.class.php';
     Image::thumb($faceurl, $original, '', 150, 150);
     Image::thumb($faceurl, $big, '', 120, 120);
     Image::thumb($faceurl, $small, '', 50, 50);
 }

 public function upload()
 {
     echo '<div style="font-size:12px; height:30px; line-height:30px">';
     $uppath = './' . C('upload_path') . '/';
     $uppath_s = './' . C('upload_path') . '-s/';
     $mid = trim($_POST['mid']);
     $fileback = !empty($_POST['fileback']) ? trim($_POST['fileback']) : 'picurl';
     if ($mid) {
         $uppath .= $mid . '/';
         $uppath_s .= $mid . '/';
         $backpath = $mid . '/';
     }
     import("ORG.Net.UploadFile");
     $up = new UploadFile();
     //$up->maxSize = 3292200;
     $up->savePath = $uppath;
     $up->saveRule = uniqid;
     $up->uploadReplace = true;
     $up->allowExts = explode(',', C('cms_exts'));
     $up->autoSub = true;
     $up->subType = date;
     $up->dateFormat = C('upload_style');
     if (!$up->upload()) {
         $error = $up->getErrorMsg();
         if ($error == '上传文件类型不允许') {
             $error .= ',可上传<font color=red>' . C('cms_exts') . '</font>';
         }
         exit($error . ' [<a href="?s=Admin/Upload/Show/mid/' . $mid . '/fileback/' . $fileback . '">重新上传</a>]');
         //dump($up->getErrorMsg());
     }
     $uploadList = $up->getUploadFileInfo();
     //是否添加水印
     if (C('upload_water')) {
         import("ORG.Util.Image");
         Image::water($uppath . $uploadList[0]['savename'], C('upload_water_img'), '', C('upload_water_pct'), C('upload_water_pos'));
     }
     //是否生成缩略图
     if (C('upload_thumb')) {
         $thumbdir = substr($uploadList[0]['savename'], 0, strrpos($uploadList[0]['savename'], '/'));
         mkdirss($uppath_s . $thumbdir);
         import("ORG.Util.Image");
         Image::thumb($uppath . $uploadList[0]['savename'], $uppath_s . $uploadList[0]['savename'], '', C('upload_thumb_w'), C('upload_thumb_h'), true);
     }
     //是否远程图片
     if (C('upload_ftp')) {
         $img = D('Down');
         $img->ftp_upload($backpath . $uploadList[0]['savename']);
     }
     echo "<script type='text/javascript'>parent.document.getElementById('" . $fileback . "').value='" . $backpath . $uploadList[0]['savename'] . "';</script>";
     echo '文件<a href="' . $uppath . $uploadList[0]['savename'] . '" target="_blank"><font color=red>' . $uploadList[0]['savename'] . '</font></a>上传成功　[<a href="?s=Admin/Upload/Show/mid/' . $mid . '/fileback/' . $fileback . '">重新上传</a>]';
     echo '</div>';
 }

 public function upLoad()
 {
     if (isset($_POST['send'])) {
         $_fileupload = new FileUpload('pic', $_POST['MAX_FILE_SIZE']);
         $_path = $_fileupload->getPath();
         $_img = new Image($_path);
         $_img->thumb(300, 300);
         $_img->out();
         $_fileupload->alertOpenerClose('图片上传成功', '.' . $_path);
     } else {
         exit('警告：文件过大或者其他未知错误导致浏览器崩溃');
     }
 }

function thumb_images($pic)
{
    $array_dir = explode('/', $pic);
    $date_dir = $array_dir[3];
    $image_name = $array_dir[5];
    //组装缩略图路径
    $big = C('Goods_image_path') . '/' . $date_dir . '/big/b_' . $image_name;
    $middle = C('Goods_image_path') . '/' . $date_dir . '/middle/m_' . $image_name;
    $small = C('Goods_image_path') . '/' . $date_dir . '/small/s_' . $image_name;
    import("ORG.Util.Image");
    Image::thumb($pic, $big, '', C('Goods_big_width'), C('Goods_big_height'));
    Image::thumb($pic, $middle, '', C('Goods_middle_width'), C('Goods_middle_width'));
    Image::thumb($pic, $small, '', C('Goods_small_width'), C('Goods_small_width'));
}