php 上传类upload.class.php
2015-04-11 PHP 970
每次使用上传时发现总有些,不太好用,不能直接拿来用的上传类
今天整理了一个。
<?php
/*
[UCenter] (C)2001-2099 Comsenz Inc.
This is NOT a freeware, use is subject to license terms
$Id: uplo
每次使用上传时发现总有些,不太好用,不能直接拿来用的上传类
今天整理了一个。
<?php /* [UCenter] (C)2001-2099 Comsenz Inc. This is NOT a freeware, use is subject to license terms $Id: upload.class.php 1059 2011-03-01 07:25:09Z monkey $ */ class upload{ var $dir; var $thumb_width; var $thumb_height; var $thumb_ext; var $watermark_file; var $watermark_pos; var $watermark_alpha; var $time; var $filetypedata = array(); var $filetypeids = array(); var $filetypes = array(); function upload($type='image',$time = 0) { $this->time = $time ? $time : time(); $this->filetypedata = array( 'av' => array('av', 'wmv', 'wav'), 'real' => array('rm', 'rmvb'), 'binary' => array('dat'), 'flash' => array('swf'), 'html' => array('html', 'htm'), 'image' => array('gif', 'jpg', 'jpeg', 'png', 'bmp'), 'office' => array('doc', 'xls', 'ppt'), 'pdf' => array('pdf'), 'rar' => array('rar', 'zip'), 'text' => array('txt'), 'bt' => array('bt'), 'zip' => array('tar', 'rar', 'zip', 'gz'), ); $this->filetypeids = array_keys($this->filetypedata); foreach($this->filetypedata as $data) { $this->filetypes = array_merge($this->filetypes, $data); } } /** * @desc 设定上传地址 * */ function set_dir($dir) { $this->dir = $dir; } /** * @desc 设定上传类型 */ public function set_file_type($type_str='image,text',$extend=array()){ $type = explode(',',$type_str); $filetypes = array(); if(!empty($type)){ foreach($type as $v){ $filetypes = array_merge($filetypes,$this->filetypedata[$v]); } } //自定义扩展类型 if(!empty($extend)){ $filetypes = array_merge($filetypes,$extend); } $this->filetypes = $filetypes; } function set_thumb($width, $height, $ext = '') { $this->thumb_width = $width; $this->thumb_height = $height; $this->thumb_ext = $ext; } function set_watermark($file, $pos = 9, $alpha = 100) { $this->watermark_file = $file; $this->watermark_pos = $pos; $this->watermark_alpha = $alpha; } function execute() { $arr = array(); $keys = array_keys($_FILES['attach']['name']); foreach($keys as $key) { if(!$_FILES['attach']['name'][$key]) { continue; } $file = array( 'name' => $_FILES['attach']['name'][$key], 'tmp_name' => $_FILES['attach']['tmp_name'][$key] ); $fileext = $this->fileext($file['name']); if(!in_array($fileext, $this->filetypes)) { $fileext = '_'.$fileext; } $tfilename = $this->time.rand(100, 999); $filename = '1'.$tfilename.'.'.$fileext; $filethumb = '0'.$tfilename.'.'.($this->thumb_ext ? $this->thumb_ext : $fileext); $this->copy($file['tmp_name'], $this->dir.'/'.$filename); $arr[$key]['file'] = $filename; if(in_array($fileext, array('jpg', 'gif', 'png'))) { if($this->thumb_width) { if($this->thumb($this->thumb_width, $this->thumb_height, $this->dir.'/'.$filename, $this->dir.'/'.$filethumb, ($this->thumb_ext ? $this->thumb_ext : $fileext))) { $arr[$key]['thumb'] = $filethumb; } } if($this->watermark_file) { $this->waterfile($this->dir.'/'.$filename, $this->watermark_file, $fileext, $this->watermark_pos, $this->watermark_alpha); } } } return $arr; } function mkdir_by_date($date, $dir = '.') { list($y, $m, $d) = explode('-', date('Y-m-d', $date)); !is_dir("$dir/$y") && mkdir("$dir/$y", 0777); !is_dir("$dir/$y/$m$d") && mkdir("$dir/$y/$m$d", 0777); return "$y/$m$d"; } function mkdir_by_hash($s, $dir = '.') { $s = md5($s); !is_dir($dir.'/'.$s[0]) && mkdir($dir.'/'.$s[0], 0777); !is_dir($dir.'/'.$s[0].'/'.$s[1]) && mkdir($dir.'/'.$s[0].'/'.$s[1], 0777); !is_dir($dir.'/'.$s[0].'/'.$s[1].'/'.$s[2]) && mkdir($dir.'/'.$s[0].'/'.$s[1].'/'.$s[2], 0777); return $s[0].'/'.$s[1].'/'.$s[2]; } function mkdir_by_uid($uid, $dir = '.') { $uid = sprintf("%09d", $uid); $dir1 = substr($uid, 0, 3); $dir2 = substr($uid, 3, 2); $dir3 = substr($uid, 5, 2); !is_dir($dir.'/'.$dir1) && mkdir($dir.'/'.$dir1, 0777); !is_dir($dir.'/'.$dir1.'/'.$dir2) && mkdir($dir.'/'.$dir1.'/'.$dir2, 0777); !is_dir($dir.'/'.$dir1.'/'.$dir2.'/'.$dir3) && mkdir($dir.'/'.$dir1.'/'.$dir2.'/'.$dir3, 0777); return $dir1.'/'.$dir2.'/'.$dir3; } function copy($sourcefile, $destfile) { move_uploaded_file($sourcefile, $destfile); @unlink($sourcefile); } function watermark($target, $watermark_file, $ext, $watermarkstatus=9, $watermarktrans=50) { $gdsurporttype = array(); if(function_exists('imageAlphaBlending') && function_exists('getimagesize')) { if(function_exists('imageGIF')) $gdsurporttype[]='gif'; if(function_exists('imagePNG')) $gdsurporttype[]='png'; if(function_exists('imageJPEG')) { $gdsurporttype[]='jpg'; $gdsurporttype[]='jpeg'; } } if($gdsurporttype && in_array($ext, $gdsurporttype) ) { $attachinfo = getimagesize($target); $watermark_logo = imageCreateFromGIF($watermark_file); $logo_w = imageSX($watermark_logo); $logo_h = imageSY($watermark_logo); $img_w = $attachinfo[0]; $img_h = $attachinfo[1]; $wmwidth = $img_w - $logo_w; $wmheight = $img_h - $logo_h; $animatedgif = 0; if($attachinfo['mime'] == 'image/gif') { $fp = fopen($target, 'rb'); $targetcontent = fread($fp, 9999999); fclose($fp); $animatedgif = strpos($targetcontent, 'NETSCAPE2.0') === FALSE ? 0 : 1; } if($watermark_logo && $wmwidth > 10 && $wmheight > 10 && !$animatedgif) { switch ($attachinfo['mime']) { case 'image/jpeg': $dst_photo = imageCreateFromJPEG($target); break; case 'image/gif': $dst_photo = imageCreateFromGIF($target); break; case 'image/png': $dst_photo = imageCreateFromPNG($target); break; } switch($watermarkstatus) { case 1: $x = +5; $y = +5; break; case 2: $x = ($logo_w + $img_w) / 2; $y = +5; break; case 3: $x = $img_w - $logo_w-5; $y = +5; break; case 4: $x = +5; $y = ($logo_h + $img_h) / 2; break; case 5: $x = ($logo_w + $img_w) / 2; $y = ($logo_h + $img_h) / 2; break; case 6: $x = $img_w - $logo_w; $y = ($logo_h + $img_h) / 2; break; case 7: $x = +5; $y = $img_h - $logo_h-5; break; case 8: $x = ($logo_w + $img_w) / 2; $y = $img_h - $logo_h; break; case 9: $x = $img_w - $logo_w-5; $y = $img_h - $logo_h-5; break; } imageAlphaBlending($watermark_logo, FALSE); imagesavealpha($watermark_logo,TRUE); imageCopyMerge($dst_photo, $watermark_logo, $x, $y, 0, 0, $logo_w, $logo_h, $watermarktrans); switch($attachinfo['mime']) { case 'image/jpeg': imageJPEG($dst_photo, $target); break; case 'image/gif': imageGIF($dst_photo, $target); break; case 'image/png': imagePNG($dst_photo, $target); break; } } } } function thumb($forcedwidth, $forcedheight, $sourcefile, $destfile, $destext, $imgcomp = 0) { $g_imgcomp=100-$imgcomp; $g_srcfile=$sourcefile; $g_dstfile=$destfile; $g_fw=$forcedwidth; $g_fh=$forcedheight; $ext = strtolower(substr(strrchr($sourcefile, '.'), 1, 10)); if(file_exists($g_srcfile)) { $g_is = getimagesize($g_srcfile); if($g_is[0] < $forcedwidth && $g_is[1] < $forcedheight) { copy($sourcefile, $destfile); return filesize($destfile);; } if (($g_is[0] - $g_fw) >= ($g_is[1] - $g_fh)){ $g_iw=$g_fw; $g_ih=($g_fw/$g_is[0])*$g_is[1]; } else { $g_ih=$g_fh; $g_iw=($g_ih/$g_is[1])*$g_is[0]; } switch ($ext) { case 'jpg': $img_src = @imagecreatefromjpeg($g_srcfile); !$img_src && $img_src = imagecreatefromgif($g_srcfile); break; case 'gif': $img_src = imagecreatefromgif($g_srcfile); break; case 'png': $img_src = imagecreatefrompng($g_srcfile); break; } $img_dst = imagecreatetruecolor($g_iw, $g_ih); imagecopyresampled($img_dst, $img_src, 0, 0, 0, 0, $g_iw, $g_ih, $g_is[0], $g_is[1]); switch($destext) { case 'jpg': imagejpeg($img_dst, $g_dstfile, $g_imgcomp); break; case 'gif': imagegif($img_dst, $g_dstfile, $g_imgcomp); break; } imagedestroy($img_dst); return filesize($destfile); } else { return false; } } function fileext($filename) { return substr(strrchr($filename, '.'), 1, 10); } function get_filetype($ext) { foreach($this->filetypedata as $k => $v) { if(in_array($ext, $v)) { return $k; } } return 'common'; } } /* //demo -- $file_path = date('Ymd'); //上传后的直接访问路径 $path = '/images/'.$file_path; $dir_path = './images/'.$file_path; //目录 无则创建 if(!is_dir($dir_path)){ @mkdir($dir_path,0777); } $Upload = new upload(); $Upload->set_dir('./'.$file_path); $Upload->set_file_type('image'); $images = $Upload->execute(); $ret = array(); if(!empty($images)){ foreach($images as $key=>$value){ $ret[] = $path.'/'.$value['file']; } } */ ?>
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