可以用{Y}{m}{n}變成現(xiàn)在的日期
- set_dir(dirname(__FILE__).'/upload/','{y}/{m} '); //儲(chǔ)存路徑,支援{y}{m}wjcelcm34c這幾個(gè)選項(xiàng)
- $up->set_thumb(100,80); //縮圖大小設(shè)定.單位為像素
- $ up->set_watermark(dirname(__FILE__).'/jblog/images/watermark.png',6,90); //水印設(shè)定
- $fs = $up->execute(); //開始執(zhí)行
-
- var_dump($fs); //測(cè)試用查看類別的情況
- }
- ?>
- /////視圖表單---------
-
- test
-
- //支援多張圖片上傳
-
-
-
-
-
- */
- upload {
-
-
- var $ dir; //附件存放實(shí)體目錄
- var $time; //自訂檔案上傳時(shí)間
- var $allow_types; //允許上傳附件類型
- var $field; //上傳控制項(xiàng)名稱
- var $maxsize; //最大允許檔案大小，單位為KB
-
- var $thumb_width; //縮圖寬度
- var $thumb_height; //縮圖高度
-
- var $watermark_file ; //浮水印圖片位址
- var $watermark_pos; //水印位置
- var $watermark_trans;//水印透明度
-
- //建構(gòu)子
- //$types : 允許上傳的檔案類型, $maxsize : 允許大小, $field : 上傳控制項(xiàng)名稱, $time : 自訂上傳時(shí)間
- function upload($types = 'jpg|png', $maxsize = 1024, $field = 'attach', $ time = '') {
- $this->allow_types = explode('|',$types);
- $this->maxsize = $maxsize * 1024;
- $this->field = $field ;
- $this->time = $time ? $time : time();
- }
-
- //設(shè)定並建立檔案特定存放的目錄
- //$basedir : 基底目錄，必須為實(shí)體路徑
- //$filedir : 自訂子目錄，可用參數(shù){y}、{m}、wjcelcm34c
- function set_dir($basedir,$filedir = '') {
- $dir = $basedir;
- !is_dir($dir) && @mkdir($dir,0777);
- if (!empty($filedir)) {
- $filedir = str_replace(array($filedir)) {
- $filedir = str_replace(array($） y}','{m}','wjcelcm34c'),array(date('Y',$this->time),date('m',$this->time),date('d' ,$this->time)),strtolower($filedir));//用string_replace把{y} {m} wjcelcm34c幾個(gè)標(biāo)籤進(jìn)行替換
- $dirs = explode('/',$filedir) ;
- foreach ($dirs as $d) {
- !empty($d) && $dir .= $d.'/';
- !is_dir($dir) && @mkdir($dir, 0777);
- }
- }
- $this->dir = $dir;
- }
-
- //圖片縮圖設(shè)置，如果不產(chǎn)生縮圖則不用設(shè)定
- //$width : 縮圖寬度, $height : 縮圖高度
- function set_thumb ($width = 0, $height = 0) {
- $this->thumb_width = $width;
- $this
- $this
- $this
- $this
- $this
- $this
- $this
- $this $this $this $this $this $this $this $this $this $this thumb_height = $height; } //圖片浮水印設(shè)置，如果不產(chǎn)生添加水印則不用設(shè)置 //$file : 水印圖片, $pos : 水印位置, $trans : 水印透明度 function set_watermark ($file, $pos = 6, $trans = 80) { $this->watermark_file = $file; $this->watermark_pos = $pos; $this->watermark_trans = $trans; }
-
- /*—————————————————————-
- 執(zhí)行檔上傳，處理完返回一個(gè)包含上傳成功或失敗的檔案資訊數(shù)組，
- 其中：name 為檔案名，上傳成功時(shí)是上傳到伺服器上的檔案名，上傳失敗則是本地的檔案名稱
- dir 為伺服器上存放該附件的實(shí)體路徑，上傳失敗則是本地的檔案名稱
- dir 為伺服器上存放該附件的實(shí)體路徑，上傳失敗不存在該值
- size 為附件大小，上傳失敗不存在該值
- flag 為狀態(tài)標(biāo)識(shí)，1表示成功，-1表示文件類型不允許，-2表示文件大小超出
- —————— ———————————————–*/
- function execute() {
- $files = array(); //成功上傳的檔案資訊
- $field = $ this->field;
- $keys = array_keys($_FILES[$field]['name']);
- foreach ($keys as $key) {
- if (!$_FILES[$field] ['name'][$key]) continue;
-
- $fileext = $this->fileext($_FILES[$field]['name'][$key]); //取得檔案副檔名
- $filename = date('Ymdhis',$this->time).mt_rand(10,99).'.'.$fileext; //產(chǎn)生檔名
- $filedir = $this->dir; //附件實(shí)際存放目錄
- $filesize = $_FILES[$field]['size'][$key]; //檔案大小
-
- //檔案類型不允許
- if (! in_array($fileext,$this->allow_types)) {
- $files[$key]['name'] = $_FILES[$field]['name'][$key];
- $files[ $key]['flag'] = -1;
- continue;
- }
-
- //檔案大小超出
- if ($filesize > $this->maxsize) {
- $files[$key]['name'] = $_FILES[$field]['name'][$key];
- $files[$key]['name'] = $filesize;
- $ files[$key]['flag'] = -2;
- continue;
- }
-
- $files[$key]['name'] = $filename;
- $files[ $key]['dir'] = $filedir;
- $files[$key]['size'] = $filesize;
-
- //儲(chǔ)存上傳檔案並刪除暫存檔案
- if ( is_uploaded_file($_FILES[$field]['tmp_name'][$key])) {
- move_uploaded_file($_FILES[$field]['tmp_name'][$key],$filedir.$filename);
- @unlink($_FILES[$field]['tmp_name'][$key]);
- $files[$key]['flag'] = 1;
-
- //對(duì)圖片加浮水印和產(chǎn)生縮圖,這裡示範(fàn)只支援jpg和png(gif產(chǎn)生的話會(huì)沒了幀的)
- if (in_array($fileext,array('jpg','png'))) {
- if ($this->thumb_width) {
- if ($this->create_thumb($filedir.$filename,$filedir.'thumb_'.$filename)) {
- $files[$key]['thumb' ] = 'thumb_'.$filename; //縮圖檔名
- }
- }
- $this->create_watermark($filedir.$filename);
- }
- }
- }
- }
-
- return $files;
- }
-
- //建立縮圖,以相同的副檔名產(chǎn)生縮圖
- //$src_file : 來源映像路徑, $thumb_file :縮圖路徑
- function create_thumb ($src_file,$thumb_file) {
- $t_width = $this->thumb_width;
- $t_height = $this->thumb_height;width;
- $t_height = $this->thumb_height; ($src_file)) return false;
-
- $src_info = getImageSize($src_file);
-
- //如果來源影像小於或等於縮圖則拷貝來源影像作為縮圖,免去操作
- if ($src_info[0] if (!copy($src_file,$thumb_file)) {
- return false;
- }
- return true;
- }
-
- //按比例計(jì)算縮圖大小
- if (($src_info[0]-$t_width) > ($src_info[1]-$ t_height)) {
- $t_height = ($t_width / $src_info[0]) * $src_info[1];
- } else {
- $t_width = ($t_height / $src_info[1]) * $src_info[0]; }
-
- //取得檔案副檔名
- $fileext = $this->fileext($src_file);
-
- switch ($fileext) {
- case 'jpg' :
- $src_img = ImageCreateFromJPEG($src_file); break;
- case 'png' :
- $src_img = ImageCreateFromPNG($src_file); break;
- case 'frem; $src_file); break;
- }
-
- //建立一個(gè)真彩色的縮圖圖
- $thumb_img = @ImageCreateTrueColor($t_width,$t_height);
-
- // ImageCopyResampled函數(shù)拷貝的圖像平滑度較好，優(yōu)先考慮
- if (function_exists('imagecopyresampled')) {
- @ImageCopyResampled($thumb_img,$src_img,0,0,0,000,0,0$ ,$src_info[0],$src_info[1]);
- } else {
- @ImageCopyResized($thumb_img,$src_img,0,0,0,0,$t_width,$t_height,$src_info[000 ],$src_info[1]);
- }
-
- //產(chǎn)生縮圖
- switch ($fileext) {
- case 'jpg' :
- ImageJPEG($thumb_img,$ thumb_file); break;
- case 'gif' :
- ImageGIF($thumb_img,$thumb_file); break;
- case 'png' :
- ImagePNG($thumb_breakimg,$thumb_breakimg, }
-
- //銷毀臨時(shí)圖像
- @ImageDestroy($src_img);
- @ImageDestroy($thumb_img);
-
- return true;
-
- //為圖片加上浮水印
- //$file : 要加入浮水印的檔案
- function create_watermark ($file) {
-
- //檔案不存在則回傳
- if (!file_exists($this->watermark_file) || !file_exists($file)) return;
- if (!function_exists('getImageSize')) return;
-
- //GD檢查支援的檔案類型
- $gd_allow_types = array();
- if (function_exists('ImageCreateFromGIF')) $gd_allow_types['image/gif'] = 'ImageCreateFromGIF'; if (function_exists('ImageCreateFromJPEG')) $gd_allow_types['image/jpeg'] = 'ImageCreate> 取得檔位;訊息
- $fileinfo = getImageSize($file);
- $wminfo = getImageSize($this->watermark_file);
-
- if ($fileinfo[0]
- if (array_key_exists($fileinfo['mime'],$gd_allow_types)) {
- if (array_key_exists($wminfo['mime'] ,$gd_allow_types)) {
-
- //從檔案建立映像
- $temp = $gd_allow_types[$fileinfo['mime']]($file);
- $temp_wm = $gd_allow_types[$ wminfo['mime']]($this->watermark_file);
-
- //水印位置
- switch ($this->watermark_pos) {
- case 1 : //頂部居左
- $dst_x = 0; $dst_y = 0; break;
- case 2 : //頂部居中
- $dst_x = ($fileinfo[0] - $wminfo[0])/2; $dst_y = 0; break ;
- case 3 : //頂部居右
- $dst_x = $fileinfo[0]; $dst_y = 0; break;
- case 4 : //底部居左
- $dst_x = 0; $ dst_y = $fileinfo[1]; break;
- case 5 : //底部居中
- $dst_x = ($fileinfo[0] - $wminfo[0]) / 2; $dst_y = $fileinfo[1] ; break;
- case 6 : //底部居右邊
- $dst_x = $fileinfo[0]-$wminfo[0]; $dst_y = $fileinfo[1]-$wminfo[1]; break;
- default : //隨機(jī)
- $dst_x = mt_rand(0,$fileinfo[0]-$wminfo[0]); $dst_y = mt_rand(0,$fileinfo[1]-$wminfo[1]);
- }
-
- if (function_exists('ImageAlphaBlending')) ImageAlphaBlending($temp_wm,True); //設(shè)定影像的混色模式
- if (function_exists('ImaveAlalphas('ImaveSphaists('ImaveSphaists('Im))Spha; temp_wm,True); //儲(chǔ)存完整的alpha 頻道資訊
-
- //為影像新增浮水印
- if (function_exists('imageCopyMerge')) {
- ImageCopyMerge($temp,$temp_wm,$$temp_wm,$ dst_x,$dst_y,0,0,$wminfo[0],$wminfo[1],$this->watermark_trans);
- }else {
- ImageCopyMerge($temp,$temp_wm,$dst_x,$dst_y,0,0,$wminfo[0],$wminfo[1]);
- }
-
- //儲(chǔ)存圖片
- switch ($fileinfo['mime']) {
- case 'image/jpeg' :
- @imageJPEG($temp,$file);
- break;
- case 'image/png ' :
- @imagePNG($temp,$file);
- break;
- case 'image/gif' :
- @imageGIF($temp,$file);
- break;
- }
- //銷毀零時(shí)圖片
- @imageDestroy($temp);
- @imageDestroy($temp_wm);
- }
- }
- }
-
- }
- }
- }
-
- }
- }
}
} } }
| }
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