public function img() { //实例化图像处理类,默认为GD库 $image = new Image(); //加载一张预处理的图片 $image->open('./Public/images/1.jpg'); //上面两句,可以用一句话包含 //$image = new Image(Image::IMAGE_GD, './Public/images/1.jpg'); //获取图片信息 $arr['width'] = $image->width(); $arr['height'] = $image->height(); $arr['type'] = $image->type(); $arr['mime'] = $image->mime(); $arr['size'] = $image->size(); //裁剪图片,高400,宽400 $image->crop(400, 400)->save('./Public/images/1.jpg'); $image->open('./Public/images/2.jpg'); $image->thumb(300, 300, Image::IMAGE_THUMB_CENTER)->save('./Public/images/2.jpg'); //在图片右下角添加水印并生成 $image->open('./Public/images/3.jpg'); $image->water('./Public/images/logo.png')->save('./Public/images/3.jpg'); echo '<pre>' . print_r($arr, 1) . '</pre>'; }
private function do_upload() { // Make sure file is not cached (as it happens for example on iOS devices) header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); header("Cache-Control: no-store, no-cache, must-revalidate"); header("Cache-Control: post-check=0, pre-check=0", false); header("Pragma: no-cache"); if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') { exit; // finish preflight CORS requests here } if (!empty($_REQUEST['debug'])) { $random = rand(0, intval($_REQUEST['debug'])); if ($random === 0) { header("HTTP/1.0 500 Internal Server Error"); exit; } } @set_time_limit(5 * 60); $uploadBaseDir = DOCUMENT_ROOT . DIRECTORY_SEPARATOR . 'uploads' . DIRECTORY_SEPARATOR; $targetDir = $uploadBaseDir . 'tmp'; $uploadDir = $uploadBaseDir . date('Y' . DIRECTORY_SEPARATOR . 'm'); $cleanupTargetDir = true; // Remove old files $maxFileAge = 5 * 3600; // Temp file age in seconds // Create target dir if (!file_exists($targetDir)) { @mkdir($targetDir); } // Create target dir if (!file_exists($uploadDir)) { @mkdir($uploadDir, 0777, true); } // Get a file name // if (isset($_REQUEST["name"])) { // $fileName = $_REQUEST["name"]; // } elseif (!empty($_FILES)) { // $fileName = $_FILES["file"]["name"]; // } else { // $fileName = uniqid("file_"); // } $fileName = uniqid("pic_") . '.jpg'; $md5File = @file($uploadBaseDir . 'md5list2.txt', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); $md5File = $md5File ? $md5File : array(); if (isset($_REQUEST["md5"]) && array_search($_REQUEST["md5"], $md5File) !== FALSE) { die('{"jsonrpc" : "2.0", "result" : null, "id" : "id", "exist": 1}'); } $filePath = $targetDir . DIRECTORY_SEPARATOR . $fileName; $uploadPath = $uploadDir . DIRECTORY_SEPARATOR . $fileName; // Chunking might be enabled $chunk = isset($_REQUEST["chunk"]) ? intval($_REQUEST["chunk"]) : 0; $chunks = isset($_REQUEST["chunks"]) ? intval($_REQUEST["chunks"]) : 0; // Remove old temp files if ($cleanupTargetDir) { if (!is_dir($targetDir) || !($dir = opendir($targetDir))) { die('{"jsonrpc" : "2.0", "error" : {"code": 100, "message": "Failed to open temp directory."}, "id" : "id"}'); } while (($file = readdir($dir)) !== false) { $tmpfilePath = $targetDir . DIRECTORY_SEPARATOR . $file; // If temp file is current file proceed to the next if ($tmpfilePath == "{$filePath}.part") { continue; } // Remove temp file if it is older than the max age and is not the current file if (preg_match('/\\.part$/', $file) && filemtime($tmpfilePath) < time() - $maxFileAge) { @unlink($tmpfilePath); } } closedir($dir); } // Open temp file if (!($out = @fopen("{$filePath}.part", $chunks ? "ab" : "wb"))) { die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}'); } if (!empty($_FILES)) { if ($_FILES["file"]["error"] || !is_uploaded_file($_FILES["file"]["tmp_name"])) { die('{"jsonrpc" : "2.0", "error" : {"code": 103, "message": "Failed to move uploaded file."}, "id" : "id"}'); } // Read binary input stream and append it to temp file if (!($in = @fopen($_FILES["file"]["tmp_name"], "rb"))) { die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}'); } } else { if (!($in = @fopen("php://input", "rb"))) { die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}'); } } while ($buff = fread($in, 4096)) { fwrite($out, $buff); } @fclose($out); @fclose($in); // Check if file has been uploaded if (!$chunks || $chunk == $chunks - 1) { // Strip the temp .part suffix off rename("{$filePath}.part", $filePath); rename($filePath, $uploadPath); array_push($md5File, $this->mymd5($uploadPath)); $md5File = array_unique($md5File); file_put_contents($uploadBaseDir . 'md5list2.txt', join($md5File, "\n")); } // Return Success JSON-RPC response $img = new Image(); $img->open($uploadPath); $img->thumb(800, 800); $img->save($uploadPath); $imgSize = $img->size(); $file_path = strtr($uploadPath, array(DOCUMENT_ROOT => '', '\\' => '/')); $photoData = array('uid' => $this->uid, 'file_path' => $file_path, 'status' => 1, 'w' => $imgSize[0], 'h' => $imgSize[1]); $pid = D('Photo')->add($photoData); $this->responseSuccess(compact('pid') + $photoData); }