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PHP ?? ?? ??? ???

Jul 25, 2016 am 08:45 AM
????, php
  1. /*
  2. ?? ??: /include/zip.php
  3. ???: Horace 2009/04/15
  4. */
  5. class PHPZip{
  6. var $dirInfo = array("0","0");
  7. var $rootDir = '';
  8. var $datasec = ??();
  9. var $ctrl_dir = ??();
  10. var $eof_ctrl_dir = "/x50/x4b/x05/x06/x00/x00/x00/x00";
  11. var $old_offset = 0;
  12. function downloadZip(){
  13. createZip($dir, $zipfilename, true);
  14. }
  15. function createZip($dir, $zipfilename, $autoDownload = false){
  16. if (@function_exists('gzcompress')){
  17. @set_time_limit("0");
  18. if (is_array($dir)){
  19. $fd = fopen ($dir, "r");
  21. $fileValue = fread($fd, ?? ??($filename));
  22. fclose($fd);
  23. if (is_array($dir)) $filename = basename($dir);
  24. $?? -> addFile($fileValue, "$filename");
  25. }else{
  26. $this->dirTree($dir,$dir);
  27. }
  28. $zipfilenametemp = time().$zipfilename;
  29. $out = $this -> ??zip();
  30. $fp = fopen($zipfilenametemp, "w");
  31. fwrite($fp, $out, strlen($out));
  32. fclose($fp);
  33. $filesize = ?? ??($zipfilenametemp);
  34. if ($filesize < 104857600) {
  35. if($autoDownload){
  36. header("??? ??: ??????/??-???");
  37. header("Content-disposition: attachment; filename=".$zipfilename);
  38. }
  39. echo $this -> ??zip();
  40. }else{
  41. echo "zip ?? ??!";
  42. }
  43. unlink($zipfilenametemp);
  44. }
  45. }
  46. //dir ?? ????..
  47. function dirTree($directory,$rootDir){
  48. global $_SERVER,$dirInfo,$rootDir;
  49. $fileDir=$rootDir;
  50. $myDir=dir($directory);
  51. while($file=$myDir->read()){
  54. if(is_dir("$directory/$file") ? $file!="." ? $file !=".."){
  55. $dirInfo[0] ;
  56. $rootDir ="$fileDir$file/";
  57. $?? -> addFile('', "$rootDir");
  58. //n?? ??? ??
  59. $this->dirTree("$directory/$file",$rootDir);
  60. }else{
  61. if($file!="." and $file!=".."){
  62. $dirInfo[1] ;
  63. //$fd = fopen ("$directory/$file", "r");
  64. $fileValue = file_get_contents("$directory/$file");
  65. //fclose($fd);
  66. $?? -> addFile($fileValue, "$fileDir$file");
  67. }
  68. }
  69. }
  70. $myDir->close();
  71. }
  72. function unix2DosTime($unixtime = 0) {
  73. $timearray = ($unixtime == 0) ? getdate() : getdate($unixtime);
  74. if ($timearray['??'] < 1980) {
  75. $timearray['??'] = 1980;
  76. $timearray['mon'] = 1;
  77. $timearray['mday'] = 1;
  78. $timearray['??'] = 0;
  79. $timearray['?'] = 0;
  80. $timearray['?'] = 0;
  83. } //
  84. ?? ?? return (($timearray['year'] - 1980) << 25) | ($timearray['mon'] << 21) | ($timearray['mday'] << 16) |
  85. ($timearray['hours'] << 11) | ($timearray['?'] << 5) | ($timearray['?'] >> 1);
  86. }
  87. function addFile($data, $name, $time = 0){
  88. $name = str_replace('//', '/', $name);
  89. $dtime = decex($this->unix2DosTime($time));
  90. $hexdtime = '/x' . $dtime[6] . $dtime[7]
  91. . '/x' . $dtime[4] . $dtime[5]
  92. . '/x' . $dtime[2] . $dtime[3]
  93. . '/x' . $dtime[0] . $dtime[1];
  94. eval('$hexdtime = "' . $hexdtime . '";');
  95. $fr = "/x50/x4b/x03/x04";
  96. $fr .= "/x14/x00"; //
  97. $fr .= "/x00/x00";? ???? ? ??? ?????. // ?? ?? ?? ???
  98. $fr .= "/x08/x00"; // ?? ??
  99. $fr .= $hexdtime; // ??? ?? ?? ? ??
  100. // "?? ?? ??" ????
  101. $unc_len = strlen($data);
  102. $crc = crc32($data);
  103. $zdata = gzcompress($data);
  106. $c_len = strlen($zdata);
  107. $zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2); // crc ?? ??
  108. $fr .= pack('V', $crc); // crc32
  109. $fr .= pack('V', $c_len); // ??? ?? ??
  110. $fr .= pack('V', $unc_len); // ???? ?? ?? ??
  111. $fr .= pack('v', strlen($name)); // ?? ?? ??
  112. $fr .= pack('v', 0); // ?? ?? ??
  113. $fr .= $name;
  114. // "?? ???" ????
  115. $fr .= $zdata;
  116. // "??? ???" ????(?? ????? ????? ?? ?? ???
  117. // ??? ???)
  118. $fr .= pack('V', $crc); // crc32
  119. $fr .= pack('V', $c_len); // ??? ?? ??
  120. $fr .= pack('V', $unc_len); // ???? ?? ?? ??
  121. // ? ??? ??? ?????
  122. $this -> ????[] = $fr;
  123. $new_offset = strlen(implode('', $this->datasec));
  124. // ?? ?? ???? ???? ?????.
  125. $cdrec = "/x50/x4b/x01/x02";
  126. $cdrec .= "/x00/x00"; //
  127. ? ?? ???? ?? $cdrec .= "/x14/x00"; //
  130. ? ???? ? ??? ?? $cdrec .= "/x00/x00"; // ?? ?? ?? ???
  131. $cdrec .= "/x08/x00"; // ?? ??
  132. $cdrec .= $hexdtime; // ??? ?? ?? ? ??
  133. $cdrec .= pack('V', $crc); // crc32
  134. $cdrec .= pack('V', $c_len); // ??? ?? ??
  135. $cdrec .= pack('V', $unc_len); // ???? ?? ?? ??
  136. $cdrec .= pack('v', strlen($name) ); // ?? ?? ??
  137. $cdrec .= pack('v', 0 ); // ?? ?? ??
  138. $cdrec .= pack('v', 0 ); // ?? ?? ??
  139. $cdrec .= pack('v', 0 ); // ??? ?? ??
  140. $cdrec .= pack('v', 0 ); // ?? ?? ??
  141. $cdrec .= pack('V', 32 ); // ?? ?? ?? - '????' ?? ??
  142. $cdrec .= pack('V', $this -> old_offset ); // ?? ??? ?? ???
  143. $this -> old_offset = $new_offset;
  144. $cdrec .= $??;
  145. // ??? ?? ??, ?? ??? ??? ?????.
  146. // ?? ????? ??
  147. $this -> ctrl_dir[] = $cdrec;
  148. }
  149. function filezip(){
  150. $data = implode('', $this -> datasec);
  151. $ctrldir = implode('', $this -> ctrl_dir);
  153. $data? ?????.
  154. $ctrldir .
  155. $?? -> eof_ctrl_dir .
  156. pack('v', sizeof($this -> ctrl_dir)) . // "? ???? ??" ??? ? ??
  157. pack('v', sizeof($this -> ctrl_dir)) . // ?? ??? ? ??
  158. pack('V', strlen($ctrldir)) . // ?? ????? ??
  159. pack('V', strlen($data)) . // ?? ???? ?? ???
  160. "/x00/x00"; // .zip ?? ?? ??
  161. }
  162. }
  163. ?>
  167. 還有另??個(gè)比較簡(jiǎn)單?
  169. [php] ?? ?? ??
  172. ??? createzip
  173. {
  174. /* @??? zip ??? ?????.
  175. * @destination 目標(biāo)文件的路徑 如"c:/androidyue.zip"
  176. * @$overwrite 是否為覆蓋與目標(biāo)文件???件
  177. * @Recorded By Androidyue
  178. * @Blog: http://thinkblog.sinaapp.com
  179. */
  180. function create_zip($files = array(),$destination = '',$overwrite = false)
  181. {
  182. //如果zip文件已經(jīng)存在并且設(shè)置為不返回false
  183. if(file_exists($destination) && !$overwrite) { return false; }
  184. $valid_files = array();
  185. //??? ??? ??...
  186. //?? ??? ?? ?? ????
  187. if(is_array($files)) {
  188. //? ??? ??
  189. foreach($files as $file) {
  190. //??? ????? ??
  191. if(file_exists($file)) {
  192. $valid_files[] = $file ;
  193. }
  194. }
  195. }
  196. //?? ??? ??? ?? ??
  197. if(count($valid_files))
  198. {
  199. //???? ??
  200. $zip = new ZipArchive();
  201. //??? ???. ??? ?? ??? ?????.
  202. if($zip->open($destination,$overwrite) ? ZIPARCHIVE::OVERWRITE : ZIPARCHIVE ::CREATE) !== true) {
  203. return false;
  204. }
  205. //?? ??? ?? ??
  206. foreach($valid_files as $file) {
  207. $zip-> ;addFile($file,$file);
  208. }
  209. //?? ??
  210. $zip->close()
  211. //??? ??? ?? exists
  212. return file_exists($destination );
  213. }
  214. else{
  215. //?? ??? ??? ??? false? ?????.
  216. return false;
  218. }
  219. /* ***
  220. //??? ??
  221. $files=array('temp.php','test.php')
  222. create_zip($files, 'myzipfile.zip', true); ****/
  223. ?>
  226. ?? ??

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