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? ??? ?? PHP ???? PHP ??? ??? ???? ???? ?? ?? ?? ???? ???? ?? ?? ???? ?????.

PHP ??? ??? ???? ???? ?? ?? ?? ???? ???? ?? ?? ???? ?????.

Jul 25, 2016 am 08:46 AM
??? ???, PHP
{Y}{m}{n}? ???? ?? ??? ??? ? ????
  1. set_dir(dirname(__FILE__).'/upload/','{y}/{m} '); //?? ??, {y}{m}wjcelcm34c ?? ??
  2. $up->set_thumb(100,80); //??? ?? ??? ??
  3. $up- >set_watermark(dirname(__FILE__).'/jblog/images/watermark.png',6,90); //???? ??
  4. $fs = $up->execute() //?? ??
  6. var_dump($fs); //???? ??? ??
  7. }
  8. ?>
  9. /////?? ??---------
  11. test
  13. //?? ??? ??? ??
  19. */
  20. class upload {
  22. var $dir; //????? ???? ??? ????
  23. var $time; //?? ??? ?? ??
  24. var $allow_types; //???? ?? ??? ??
  25. var $field; > var $maxsize; //?? ?? ?? ??(KB)
  27. var $thumb_width; //??? ??
  28. var $thumb_height; //??? ??
  30. // ???? ??? ??
  31. var $watermark_pos; //???? ??
  32. var $watermark_trans;//???? ???
  34. //Constructor
  35. //$types: ???? ? ?? ?? ??, $ maxsize: ??? ??, $field: ??? ?? ??, $time: ??? ?? ??? ??
  36. function upload($types = 'jpg|png', $maxsize = 1024, $field = 'attach', $time = '' ) {
  37. $this->allow_types =explore('|',$types)
  38. $this->maxsize = $maxsize * 1024; $this ->field = $field;
  39. $this->time = $time ? $time : time()
  40. }
  42. //??? ???? ?? ????? ???? ?????.
  43. //$basedir : ?? ????, ?? ???? ???
  44. //$filedir: ??? ?? ?? ????, ?? ??? ???? {y}, {m}, wjcelcm34c
  45. function set_dir($basedir,$filedir = '') {
  46. $dir = $basedir;
  47. !is_dir($dir) && @mkdir($dir,0777)
  48. if (!empty($filedir)) {
  49. $ filedir = str_replace(array( '{y}','{m}','wjcelcm34c'),array(date('Y',$this->time),date('m',$this- >time),date ('d',$this->time)),strtolower($filedir));//string_replace? ???? {y} {m} wjcelcm34c ?? ??
  50. $ dirs =explore('/',$ filedir);
  51. foreach ($dirs as $d) {
  52. !empty($d) && $dir .= $d.'/'
  53. !is_dir ($dir) && @mkdir($ dir,0777);
  54. }
  55. }
  56. $this->dir = $dir;
  57. }
  59. //?? ??? ??, ???? ?? ?? ??? ??? ????. ???
  60. //$width: ??? ??, $height: ??? ??
  61. function set_thumb ($width = 0, $height = 0) {
  62. $this ->thumb_width = $width; $this->thumb_height = $height;
  63. }
  65. //?? ???? ??, ????? ???? ??? ?? ?? ??
  66. // $file: ???? ???, $pos: ???? position, $trans: ???? ???
  67. function set_watermark ($file, $pos = 6, $trans = 80) {
  68. $this->watermark_file = $file
  69. $this->watermark_pos = $pos
  70. $this->watermark_trans = $trans
  71. }
  73. /*————————————————————————-
  74. ?? ???? ???? ??? ??? ??? ?? ?? ??? ?????. ?? ? ??.
  75. ? ? name? ?? ?????. ???? ??? ???? ?? ?? ?????. ???? ???? ?? ??? ???? ?? ?? ?????.
  76. ??? ???? ????
  77. ???? ???? ?? ????. 1? ??? ????, -1? ?? ??? ???? ??? ????, -2? ?? ???
  78. ? ???? ?????. —————— —————————————— ——–*/
  79. function excute() {
  80. $files = array(); //?? ?? ??? ??
  81. $field = $ this->field
  82. $keys = array_keys( $_FILES[$field]['name']);
  83. foreach ($keys as $key) {
  84. if (!$_FILES[$field ]['name'][$key]) ??; ??>
  85. $fileext = $this->fileext($_FILES[$field]['name'][$key]); //?? ??? ????
  86. $filename = date('Ymdhis', $this->time).mt_rand(10,99).'.'.$fileext; //??? ??
  87. $filedir = $this- >dir; //????? ??? ?? ????
  88. $filesize = $_FILES[$field]['size'][$key]; //?? ??
  90. //?? ??? ???? ????
  91. if (!in_array($fileext,$this ->allow_types)) {
  92. $files[$key]['name'] = $_FILES[$field]['name'][$key]; $files[$key]['flag '] = -1;
  93. ??;
  94. }
  96. //?? ?? ??
  97. if ($filesize > $this-> ;maxsize) {
  98. $files[$ ?]['??'] = $_FILES[$??]['??'][$key]
  99. $files[$key]['name'] = $filesize; ]['flag'] = -2;
  100. ??;
  101. }
  103. $files[$key]['name'] = $filename ; 'dir'] = $filedir;
  104. $files[$key]['size'] = $filesize;
  106. //???? ??? ???? ?? ??? ?????.
  107. if (is_uploaded_file( $_FILES[$field]['tmp_name'][$key])) {
  108. move_uploaded_file($_FILES[$field]['tmp_name'][$key],$filedir .$filename)
  109. @ unlink($_FILES[$field]['tmp_name'][$key]);
  110. $files[$key]['flag'] = 1;
  112. //??? ????? ???? ??? ??? jpg ? png? ?????(gif? ???? ???? ?????)
  113. if (in_array($fileext,array('jpg','png') )) {
  114. if ($this->thumb_width) {
  115. if ($this->create_thumb($filedir.$filename,$filedir.'thumb_'.$filename)) {
  116. $ ??[$key][ 'thumb'] = 'thumb_'.$filename; //??? ?? ??
  117. }
  118. }
  119. $this->create_watermark($filedir.$filename);
  120. }
  122. return $files;
  123. }
  125. //??? ??, ??? ???? ???? ??? ??
  126. // $src_file: ?? ??? ??, $thumb_file: ??? ??
  127. function create_thumb ($src_file,$thumb_file) {
  128. $t_width = $this->thumb_width;
  129. $t_height = $this-> Thumb_height; file_exists($src_file)) return false
  131. $src_info = getImageSize($src_file);
  133. //?? ???? ????? ??? ?? ?? ?? ???? ??? ?? ?????. ??? ?? ?? ???
  134. if ($src_info[0] <= $t_width && $src_info[1] <= $t_height) {
  135. if (!copy($src_file ,$thumb_file) ) {
  136. return false
  137. }
  138. return true
  139. }
  141. //??? ??? ????? ??
  142. if (($src_info[0 ]-$t_width) > ; ($src_info[1]-$t_height)) {
  143. $t_height = ($t_width / $src_info[0]) * $src_info[1]
  144. } else {
  145. $t_width = ($ t_height / $src_info[1]) * $src_info[0]
  146. }
  148. //?? ??? ????
  149. $fileext = $this->fileext($src_file)
  151. switch ($fileext) {
  152. case 'jpg' :
  153. $src_img = ImageCreateFromJPEG($src_file);
  154. ??? 'png' :
  155. $src_img = ImageCreateFromPNG($src_file)
  156. ??? 'gif' :
  157. $src_img = ImageCreateFromGIF ($src_file); break;
  159. //?? ?? ??? ??? ??
  160. $thumb_img = @ImageCreateTrueColor($t_width,$t_height) / ??? /ImageCopyResampled ??? ???? ????? ? ?? ????? ?????.
  161. if (function_exists('imagecopyresampled')) {
  162. @ImageCopyResampled($thumb_img,$src_img,0,0,0,0,$t_width,$ t_height,$src_info[0],$src_info[1]);
  163. } else {
  164. @ImageCopyReized($thumb_img,$src_img,0,0,0,0,$t_width,$t_height,$src_info[ 0],$src_info[1])
  165. }
  167. //??? ??
  168. switch ($fileext) {
  169. case 'jpg' :
  170. ImageJPEG($thumb_img, $ Thumb_file);
  171. Case 'gif' :
  172. ImageGIF($thumb_img,$thumb_file); break;
  173. ImagePNG($thumb_img,$thumb_file); ??> }
  175. //?? ??? ??
  176. @ImageDestroy($src_img);
  177. @ImageDestroy($thumb_img)
  179. return true;
  181. //??? ???? ??
  182. //$file : ????? ??? ??
  183. function create_watermark ($file) {
  185. //??? ??? ??
  186. if (!file_exists($this->watermark_file) || !file_exists($file)) return
  187. if (!function_exists('getImageSize')) return
  189. //?? GD ???? ?? ??
  190. $gd_allow_types = array();
  191. if (function_exists('ImageCreateFromGIF')) $gd_allow_types['image/gif'] = 'ImageCreateFromGIF'
  192. if (function_exists('ImageCreateFromPNG') )) $gd_allow_types['image/png'] = 'ImageCreateFromPNG';
  193. if (function_exists('ImageCreateFromJPEG')) $gd_allow_types['image/jpeg'] = 'ImageCreateFromJPEG'
  195. // ?? ?? ????
  196. $fileinfo = getImageSize($file)
  197. $wminfo = getImageSize($this->watermark_file)
  199. if ($fileinfo[0] < $wminfo[0 ] || $fileinfo[1] < $wminfo[1]) return
  201. if (array_key_exists($fileinfo['mime'],$gd_allow_types)) {
  202. if (array_key_exists($wminfo) ['mime'],$gd_allow_types)) {
  204. //???? ??? ??
  205. $temp = $gd_allow_types[$fileinfo['mime']]($file)
  206. $temp_wm = $gd_allow_types[$wminfo['mime']]($this->watermark_file);
  208. //???? ??
  209. ???($this->watermark_pos) {
  210. ?? 1: //?? ??
  211. $dst_x = 0; $dst_y = 0; break;
  212. ?? 2 : //?? ??
  213. $dst_x = ($fileinfo[0] - $wminfo[0])/2 ; $dst_y = 0;
  214. ??? 3 : //??? ?
  215. $dst_x = $dst_y = 0;
  216. ??? 4 : //??
  217. $dst_x = 0; $dst_y = $fileinfo[1];
  218. ?? 5 : // ?? ??
  219. $dst_x = ($fileinfo[0] - $wminfo[0]) / 2; = $fileinfo[1]; ??;
  220. ?? 6: //??? ??
  221. $dst_x = $fileinfo[0]-$wminfo[0]; ]; ??;
  222. ??? : //Random
  223. $dst_x = mt_rand(0,$fileinfo[0]-$wminfo[0]) $dst_y = mt_rand(0,$fileinfo[1]- $wminfo [1]) }
  225. if (function_exists('ImageAlphaBlending')) ImageAlphaBlending($temp_wm,True); //??? ??? ?? ??
  226. if (function_exists(' ImageSaveAlpha') ) ImageSaveAlpha($temp_wm,True); //?? ?? ?? ?? ??
  228. //???? ???? ??
  229. if (function_exists('imageCopyMerge')) {
  230. ImageCopyMerge( $temp ,$temp_wm,$dst_x,$dst_y,0,0,$wminfo[0],$wminfo[1],$this->watermark_trans)
  231. }else {
  232. ImageCopyMerge($temp,$temp_wm,$dst_x,$dst_y,0,0,$wminfo[0],$wminfo[1])
  233. }
  235. //?? image
  236. ???($fileinfo['mime']) {
  237. ??? 'image/jpeg' :
  238. @imageJPEG($temp,$file)
  239. break
  240. ??? 'image/ png ' :
  241. @imagePNG($temp,$file);
  242. break
  243. case 'image/gif' :
  244. @imageGIF($temp,$file); ?? > }
  245. //???? ??? ??
  246. @imageDestroy($temp)
  247. @imageDestroy($temp_wm)
  248. }
  249. }
  250. }
  252. / /?? ??? ????
  253. function fileext($filename) {
  254. return strtolower(substr(strrchr($filename,'.'),1,10))
  255. }
  256. }
  257. ?>
?? ??
? ??? Xiaobei? 2015-11-18 08:23? ??????
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