<?php// +----------------------------------------------------------------------// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]// +----------------------------------------------------------------------// | Copyright (c) 2009 http://thinkphp.cn All rights reserved.// +----------------------------------------------------------------------// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )// +----------------------------------------------------------------------// | Author: liu21st <liu21st@gmail.com>// +----------------------------------------------------------------------// $Id$/** +------------------------------------------------------------------------------ * 文件上传类 +------------------------------------------------------------------------------ * @category ORG * @package ORG * @subpackage Net * @author liu21st <liu21st@gmail.com> * @version $Id$ +------------------------------------------------------------------------------ */class UploadFile{//类定义开始 // 上传文件的最大值 public $maxSize = -1; // 是否支持多文件上传 public $supportMulti = true; // 允许上传的文件后缀 // 留空不作后缀检查 public $allowExts = array(); // 允许上传的文件类型 // 留空不做检查 public $allowTypes = array(); // 使用对上传图片进行缩略图处理 public $thumb = true; // 缩略图最大宽度 public $thumbWidth=400; // 缩略图最大高度 public $thumbHeight=400; // 缩略图前缀 public $thumbPrefix = 'thumb_'; public $thumbSuffix = ','; // 缩略图保存路径 public $thumbPath = ''; // 缩略图文件名 public $thumbFile=''; // 是否移除原图 public $thumbRemoveOrigin =true; // 启用子目录保存文件 public $autoSub = false; // 子目录创建方式 可以使用hash date public $subType = 'date'; public $dateFormat = 'Ym'; public $hashLevel = 1; // hash的目录层次 // 上传文件保存路径 public $savePath = ''; public $autoCheck = true; // 是否自动检查附件 // 存在同名是否覆盖 public $uploadReplace = false; // 上传文件命名规则 // 例如可以是 time uniqid com_create_guid 等 // 必须是一个无需任何参数的函数名 可以使用自定义函数 public $saveRule = 'uniqid'; // 错误信息 private $error = ''; // 上传成功的文件信息 private $uploadFileInfo ; /** +---------------------------------------------------------- * 架构函数 +---------------------------------------------------------- * @access public +---------------------------------------------------------- */ public function __construct($maxSize='',$allowExts='',$allowTypes='',$savePath='',$saveRule='') { if(!empty($maxSize) && is_numeric($maxSize)) { $this->maxSize = $maxSize; } if(!empty($allowExts)) { if(is_array($allowExts)) { $this->allowExts = array_map('strtolower',$allowExts); }else { $this->allowExts = explode(',',strtolower($allowExts)); } } if(!empty($allowTypes)) { if(is_array($allowTypes)) { $this->allowTypes = array_map('strtolower',$allowTypes); }else { $this->allowTypes = explode(',',strtolower($allowTypes)); } } if(!empty($saveRule)) { $this->saveRule = $saveRule; } $this->savePath .= $savePath; } /** +---------------------------------------------------------- * 上传一个文件 +---------------------------------------------------------- * @access public +---------------------------------------------------------- * @param mixed $name 数据 * @param string $value 数据表名 +---------------------------------------------------------- * @return string +---------------------------------------------------------- * @throws ThinkExecption +---------------------------------------------------------- */ private function save(&$file) { $filename = $file['savepath'].$file['savename']; if(!$this->uploadReplace && is_file($filename)) { // 不覆盖同名文件 $this->error='文件已经存在！'.$filename; return false; } // 如果是图像文件 检测文件格式 if( in_array(strtolower($file['extension']),array('gif','jpg','jpeg','bmp','png','swf')) && false === getimagesize($file['tmp_name'])) { $this->error = '非法图像文件'; return false; } if(!move_uploaded_file($file['tmp_name'],$filename)) { $this->error = '文件上传保存错误！'; return false; } if($this->thumb && in_array(strtolower($file['extension']),array('gif','jpg','jpeg','bmp','png'))) { $image = getimagesize($filename); if(false !== $image) { //是图像文件生成缩略图 $thumbPath = $this->thumbPath?$this->thumbPath:$file['savepath']; $realFilename = $this->autoSub?basename($file['savename']):$file['savename']; $thumbname=$this->thumbPrefix.substr($realFilename,0,strrpos($realFilename, '.')).'.'.$file['extension']; if(Image::thumb($filename,$thumbPath.$thumbname,'',$this->thumbWidth,$this->thumbHeight,true)){ $file['thumb']=$thumbname; } if($this->thumbRemoveOrigin) { // 生成缩略图之后删除原图 unlink($filename); } } } return true; } /** +---------------------------------------------------------- * 上传所有文件 +---------------------------------------------------------- * @access public +---------------------------------------------------------- * @param string $savePath 上传文件保存路径 +---------------------------------------------------------- * @return string +---------------------------------------------------------- * @throws ThinkExecption +---------------------------------------------------------- */ public function upload($savePath ='') { //如果不指定保存文件名，则由系统默认 if(empty($savePath)) $savePath = $this->savePath; // 检查上传目录 if(!is_dir($savePath)) { // 检查目录是否编码后的 if(is_dir(base64_decode($savePath))) { $savePath=base64_decode($savePath); }else{ // 尝试创建目录 if(!mkdir($savePath)){ $this->error = '上传目录'.$savePath.'不存在'; return false; } } }else { if(!is_writeable($savePath)) { $this->error = '上传目录'.$savePath.'不可写'; return false; } } $fileInfo = array(); $isUpload = false; // 获取上传的文件信息 // 对$_FILES数组信息处理 $files = $this->dealFiles($_FILES); foreach($files as $key => $file) { //过滤无效的上传 if(!empty($file['name'])) { //登记上传文件的扩展信息 $file['key'] = $key; $file['extension'] = $this->getExt($file['name']); $file['savepath'] = $savePath; $file['savename'] = $this->getSaveName($file); // 自动检查附件 if($this->autoCheck) { if(!$this->check($file)) return false; } //保存上传文件 if(!$this->save($file)) return false; //上传成功后保存文件信息，供其他地方调用 unset($file['tmp_name'],$file['error']); $fileInfo[] = $file; $isUpload = true; } } if($isUpload) { $this->uploadFileInfo = $fileInfo; return true; }else { $this->error = '没有选择上传文件'; return false; } } /** +---------------------------------------------------------- * 上传单个上传字段中的文件 支持多附件 +---------------------------------------------------------- * @access public +---------------------------------------------------------- * @param array $file 上传文件信息 * @param string $savePath 上传文件保存路径 +---------------------------------------------------------- * @return string +---------------------------------------------------------- * @throws ThinkExecption +---------------------------------------------------------- */ public function uploadOne($file,$savePath=''){ //如果不指定保存文件名，则由系统默认 if(empty($savePath)) $savePath = $this->savePath; // 检查上传目录 if(!is_dir($savePath)) { // 尝试创建目录 if(!mkdir($savePath)){ $this->error = '上传目录'.$savePath.'不存在'; return false; } }else { if(!is_writeable($savePath)) { $this->error = '上传目录'.$savePath.'不可写'; return false; } } //过滤无效的上传 if(!empty($file['name'])) { $fileArray = array(); if(is_array($file['name'])) { $keys = array_keys($file); $count = count($file['name']); for ($i=0; $i<$count; $i++) { foreach ($keys as $key) $fileArray[$i][$key] = $file[$key][$i]; } }else{ $fileArray[] = $file; } $info = array(); foreach ($fileArray as $key=>$file){ //登记上传文件的扩展信息 $file['extension'] = $this->getExt($file['name']); $file['savepath'] = $savePath; $file['savename'] = $this->getSaveName($file); // 自动检查附件 if($this->autoCheck) { if(!$this->check($file)) return false; } //保存上传文件 if(!$this->save($file)) return false; unset($file['tmp_name'],$file['error']); $info[] = $file; $isUpload=true; } if($isUpload) { $this->uploadFileInfo = $info; return true; // 返回上传的文件信息 } }else { $this->error = '没有选择上传文件'; return false; } } /** +---------------------------------------------------------- * 转换上传文件数组变量为正确的方式 +---------------------------------------------------------- * @access private +---------------------------------------------------------- * @param array $files 上传的文件变量 +---------------------------------------------------------- * @return array +---------------------------------------------------------- */ private function dealFiles($files) { $fileArray = array(); $n = 0; foreach ($files as $file){ if(is_array($file['name'])) { $keys = array_keys($file); $count = count($file['name']); for ($i=0; $i<$count; $i++) { foreach ($keys as $key) $fileArray[$n][$key] = $file[$key][$i]; $n++; } }else{ $fileArray[$n] = $file; $n++; } } return $fileArray; } /** +---------------------------------------------------------- * 获取错误代码信息 +---------------------------------------------------------- * @access public +---------------------------------------------------------- * @param string $errorNo 错误号码 +---------------------------------------------------------- * @return void +---------------------------------------------------------- * @throws ThinkExecption +---------------------------------------------------------- */ protected function error($errorNo) { switch($errorNo) { case 1: $this->error = '上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值'; break; case 2: $this->error = '上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值'; break; case 3: $this->error = '文件只有部分被上传'; break; case 4: $this->error = '没有文件被上传'; break; case 6: $this->error = '找不到临时文件夹'; break; case 7: $this->error = '文件写入失败'; break; default: $this->error = '未知上传错误！'; } return ; } /** +---------------------------------------------------------- * 根据上传文件命名规则取得保存文件名 +---------------------------------------------------------- * @access private +---------------------------------------------------------- * @param string $filename 数据 +---------------------------------------------------------- * @return string +---------------------------------------------------------- */ private function getSaveName($filename) { $rule = $this->saveRule; if(empty($rule)) {//没有定义命名规则，则保持文件名不变 $saveName = $filename['name']; }else { if(function_exists($rule)) { //使用函数生成一个唯一文件标识号 $saveName = $rule().".".$filename['extension']; }else { //使用给定的文件名作为标识号 $saveName = $rule.".".$filename['extension']; } } if($this->autoSub) { // 使用子目录保存文件 $filename['savename'] = $saveName; $saveName = $this->getSubName($filename).'/'.$saveName; } return $saveName; } /** +---------------------------------------------------------- * 获取子目录的名称 +---------------------------------------------------------- * @access private +---------------------------------------------------------- * @param array $file 上传的文件信息 +---------------------------------------------------------- * @return string +---------------------------------------------------------- */ private function getSubName($file) { switch($this->subType) { case 'date': $dir = date($this->dateFormat,time()); break; case 'hash': default: $name = md5($file['savename']); $dir = ''; for($i=0;$i<$this->hashLevel;$i++) { $dir .= $name{$i}.'/'; } break; } if(!is_dir($file['savepath'].$dir)) { mkdir($file['savepath'].$dir); } return $dir; } /** +---------------------------------------------------------- * 检查上传的文件 +---------------------------------------------------------- * @access private +---------------------------------------------------------- * @param array $file 文件信息 +---------------------------------------------------------- * @return boolean +---------------------------------------------------------- */ private function check($file) { if($file['error']!== 0) { //文件上传失败 //捕获错误代码 $this->error($file['error']); return false; } //文件上传成功，进行自定义规则检查 //检查文件大小 if(!$this->checkSize($file['size'])) { $this->error = '上传文件大小不符！'; return false; } //检查文件Mime类型 if(!$this->checkType($file['type'])) { $this->error = '上传文件MIME类型不允许！'; return false; } //检查文件类型 if(!$this->checkExt($file['extension'])) { $this->error ='上传文件类型不允许'; return false; } //检查是否合法上传 if(!$this->checkUpload($file['tmp_name'])) { $this->error = '非法上传文件！'; return false; } return true; } /** +---------------------------------------------------------- * 检查上传的文件类型是否合法 +---------------------------------------------------------- * @access private +---------------------------------------------------------- * @param string $type 数据 +---------------------------------------------------------- * @return boolean +---------------------------------------------------------- */ private function checkType($type) { if(!empty($this->allowTypes)) return in_array(strtolower($type),$this->allowTypes); return true; } /** +---------------------------------------------------------- * 检查上传的文件后缀是否合法 +---------------------------------------------------------- * @access private +---------------------------------------------------------- * @param string $ext 后缀名 +---------------------------------------------------------- * @return boolean +---------------------------------------------------------- */ private function checkExt($ext) { if(!empty($this->allowExts)) return in_array(strtolower($ext),$this->allowExts,true); return true; } /** +---------------------------------------------------------- * 检查文件大小是否合法 +---------------------------------------------------------- * @access private +---------------------------------------------------------- * @param integer $size 数据 +---------------------------------------------------------- * @return boolean +---------------------------------------------------------- */ private function checkSize($size) { return !($size > $this->maxSize) || (-1 == $this->maxSize); } /** +---------------------------------------------------------- * 检查文件是否非法提交 +---------------------------------------------------------- * @access private +---------------------------------------------------------- * @param string $filename 文件名 +---------------------------------------------------------- * @return boolean +---------------------------------------------------------- */ private function checkUpload($filename) { return is_uploaded_file($filename); } /** +---------------------------------------------------------- * 取得上传文件的后缀 +---------------------------------------------------------- * @access private +---------------------------------------------------------- * @param string $filename 文件名 +---------------------------------------------------------- * @return boolean +---------------------------------------------------------- */ private function getExt($filename) { $pathinfo = pathinfo($filename); return $pathinfo['extension']; } /** +---------------------------------------------------------- * 取得上传文件的信息 +---------------------------------------------------------- * @access public +---------------------------------------------------------- * @return array +---------------------------------------------------------- */ public function getUploadFileInfo() { return $this->uploadFileInfo; } /** +---------------------------------------------------------- * 取得最后一次错误信息 +---------------------------------------------------------- * @access public +---------------------------------------------------------- * @return string +---------------------------------------------------------- */ public function getErrorMsg() { return $this->error; }}//类定义结束?><?php// +----------------------------------------------------------------------// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]// +----------------------------------------------------------------------// | Copyright (c) 2009 http://thinkphp.cn All rights reserved.// +----------------------------------------------------------------------// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )// +----------------------------------------------------------------------// | Author: liu21st <liu21st@gmail.com>// +----------------------------------------------------------------------// $Id$/** +------------------------------------------------------------------------------ * 图像操作类库 +------------------------------------------------------------------------------ * @category ORG * @package ORG * @subpackage Util * @author liu21st <liu21st@gmail.com> * @version $Id$ +------------------------------------------------------------------------------ */class Image{//类定义开始 /** +---------------------------------------------------------- * 取得图像信息 * +---------------------------------------------------------- * @static * @access public +---------------------------------------------------------- * @param string $image 图像文件名 +---------------------------------------------------------- * @return mixed +---------------------------------------------------------- */ static function getImageInfo($img) { $imageInfo = getimagesize($img); if ($imageInfo !== false) { $imageType = strtolower(substr(image_type_to_extension($imageInfo[2]), 1)); $imageSize = filesize($img); $info = array( "width" => $imageInfo[0], "height" => $imageInfo[1], "type" => $imageType, "size" => $imageSize, "mime" => $imageInfo['mime'] ); return $info; } else { return false; } } /** +---------------------------------------------------------- * 为图片添加水印 +---------------------------------------------------------- * @static public +---------------------------------------------------------- * @param string $source 原文件名 * @param string $water 水印图片 * @param string $$savename 添加水印后的图片名 * @param string $alpha 水印的透明度 +---------------------------------------------------------- * @return string +---------------------------------------------------------- * @throws ThinkExecption +---------------------------------------------------------- */ static public function water($source, $water, $savename=null, $alpha=80) { //检查文件是否存在 if (!file_exists($source) || !file_exists($water)) return false; //图片信息 $sInfo = self::getImageInfo($source); $wInfo = self::getImageInfo($water); //如果图片小于水印图片，不生成图片 if ($sInfo["width"] < $wInfo["width"] || $sInfo['height'] < $wInfo['height']) return false; //建立图像 $sCreateFun = "imagecreatefrom" . $sInfo['type']; $sImage = $sCreateFun($source); $wCreateFun = "imagecreatefrom" . $wInfo['type']; $wImage = $wCreateFun($water); //设定图像的混色模式 imagealphablending($wImage, true); //图像位置,默认为右下角右对齐 $posY = $sInfo["height"] - $wInfo["height"]; $posX = $sInfo["width"] - $wInfo["width"]; //生成混合图像 imagecopymerge($sImage, $wImage, $posX, $posY, 0, 0, $wInfo['width'], $wInfo['height'], $alpha); //输出图像 $ImageFun = 'Image' . $sInfo['type']; //如果没有给出保存文件名，默认为原图像名 if (!$savename) { $savename = $source; @unlink($source); } //保存图像 $ImageFun($sImage, $savename); imagedestroy($sImage); return true; } /** +---------------------------------------------------------- * 生成缩略图 +---------------------------------------------------------- * @static * @access public +---------------------------------------------------------- * @param string $image 原图 * @param string $type 图像格式 * @param string $thumbname 缩略图文件名 * @param string $maxWidth 宽度 * @param string $maxHeight 高度 * @param string $position 缩略图保存目录 * @param boolean $interlace 启用隔行扫描 +---------------------------------------------------------- * @return void +---------------------------------------------------------- */ static function thumb($image, $thumbname, $type='', $maxWidth=200, $maxHeight=50, $interlace=true) { // 获取原图信息 $info = Image::getImageInfo($image); if ($info !== false) { $srcWidth = $info['width']; $srcHeight = $info['height']; $type = empty($type) ? $info['type'] : $type; $type = strtolower($type); $interlace = $interlace ? 1 : 0; unset($info); $scale = min($maxWidth / $srcWidth, $maxHeight / $srcHeight); // 计算缩放比例 if ($scale >= 1) { // 超过原图大小不再缩略 $width = $srcWidth; $height = $srcHeight; } else { // 缩略图尺寸 $width = (int) ($srcWidth * $scale); $height = (int) ($srcHeight * $scale); } // 载入原图 $createFun = 'ImageCreateFrom' . ($type == 'jpg' ? 'jpeg' : $type); $srcImg = $createFun($image); //创建缩略图 if ($type != 'gif' && function_exists('imagecreatetruecolor')) $thumbImg = imagecreatetruecolor($width, $height); else $thumbImg = imagecreate($width, $height); // 复制图片 if (function_exists("ImageCopyResampled")) imagecopyresampled($thumbImg, $srcImg, 0, 0, 0, 0, $width, $height, $srcWidth, $srcHeight); else imagecopyresized($thumbImg, $srcImg, 0, 0, 0, 0, $width, $height, $srcWidth, $srcHeight); if ('gif' == $type || 'png' == $type) { //imagealphablending($thumbImg, false);//取消默认的混色模式 //imagesavealpha($thumbImg,true);//设定保存完整的 alpha 通道信息 $background_color = imagecolorallocate($thumbImg, 0, 255, 0); // 指派一个绿色 imagecolortransparent($thumbImg, $background_color); // 设置为透明色，若注释掉该行则输出绿色的图 } // 对jpeg图形设置隔行扫描 if ('jpg' == $type || 'jpeg' == $type) imageinterlace($thumbImg, $interlace); //$gray=ImageColorAllocate($thumbImg,255,0,0); //ImageString($thumbImg,2,5,5,"ThinkPHP",$gray); // 生成图片 $imageFun = 'image' . ($type == 'jpg' ? 'jpeg' : $type); $imageFun($thumbImg, $thumbname); imagedestroy($thumbImg); imagedestroy($srcImg); return $thumbname; } return false; } }//类定义结束?><?phpheader("Content-type:text/html;charset=utf-8");require "UploadFile.class.php"; require "Image.class.php";
$upload=new UploadFile();if(!$upload->uploadOne($_FILES['name'],ROOT.'upload/')){$upload->getErrorMsg();}else{ $list=$upload->getUploadFileInfo(); $info=array(); foreach ($list as $val){ $info=$val; } $water=ROOT.'data/logo.png'; $source=$info['savepath'].$info['thumb']; $savename='water'.$info['savename']; if(Image::water($source, $water)){ } var_dump($info); }?>
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