閑著沒事，幫朋友寫了一個檔案夾遍曆類，但是寫到了一半，他說不用了，所以下邊是功能不是很全的代碼，但是準系統已經實現了
View Code 1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=GBK" /> 5 <title></title> 6 <meta name="keywords" content=" keywords" /> 7 <meta name="description" content="description" /> 8 </head> 9 <body> 10 <pre> 11 <?PHP 12 13 /* 14 * 15 * fileArray [0][0] 名稱 [1] 時間 [2] 類型 [3] 大小 [4] 可預覽性（txt、image） 16 * dirArray [0][0] 名稱 [1] 時間 [2] 類型(目錄) [3] 大小（-） 17 * @todo:以這個檔案為基準點，進去遍曆實現檔案遍曆 18 * 19 */ 20 class getIndex { 21 private $currentDir = ''; 22 private $parentDir = ''; 23 private $fileArray = array(); 24 private $dirArray = array(); 25 function __construct($dir = './'){ 26 $openDir = @opendir($dir); 27 while($fileName = readdir($openDir)){ 28 if($fileName!='.' && $fileName!='..'){ 29 if(is_file($dir.$fileName)){ 30 if($fileName == 'index.html' || $fileName == 'index.php'){ 31 continue; 32 } 33 $this->fileArray[][0] = $fileName; 34 }elseif(is_dir($dir.'/'.$fileName)){ 35 $this->dirArray[][0] = $fileName.'/'; 36 } 37 } 38 } 39 } 40 private function setDirInfo(){ 41 foreach($this->dirArray as $key=>$value){ 42 $this->dirArray[$key][1] = date('Y-m-d',filemtime($value[0])); 43 $this->dirArray[$key][2] = '目錄'; 44 $this->dirArray[$key][3] = '—'; 45 } 46 } 47 public function getDirInfo(){ 48 $this->setDirInfo(); 49 return $this->dirArray; 50 } 51 private function setFileInfo(){ 52 foreach($this->fileArray as $key=>$value){ 53 $this->fileArray[$key][1] = date('Y-m-d',filemtime($value[0])); 54 if(strrpos($value[0],'.')){ 55 $this->fileArray[$key][2] = substr($value[0],(strrpos($value[0],'.')+1)); 56 }else { 57 $this->fileArray[$key][2] = '—'; 58 } 59 $this->fileArray[$key][3] = $this->getSize($value[0]); 60 //@todo:preview 這裡擷取了檔案的預覽，可以更改一下 61 if($preview = $this->getPreview($value[0])){ 62 $this->fileArray[$key][4] = $preview; 63 } 64 } 65 } 66 public function getFileInfo(){ 67 $this->setFileInfo(); 68 return $this->fileArray; 69 } 70 private function getSize($fileName){ 71 if(!file_exists($fileName)||!is_readable($fileName)){ 72 return '—'; 73 } 74 $size = filesize($fileName); 75 $units=array('B','KB','MB','GB','TB'); 76 for($i=0;$size>=1024&&$i<4;$i++) 77 $size/=1024; 78 return round($size,2).$units[$i]; 79 } 80 /* 81 * 82 * @tip:出於安全考慮，只能預覽圖片檔案及普通文字檔 83 * 84 */ 85 static function getPreview($fileName){ 86 if(!file_exists($fileName) || !is_readable($fileName)){ 87 return '<script type="text/javascript">alert("檔案不存在或者不可讀");</script>'; 88 } 89 $imgTypeArray = array('jpg','png','gif','bmp','ico'); 90 $textTypeArray = array('txt','lrc','sql','xml'); 91 $type = substr($fileName,(strrpos($fileName,'.')+1)); 92 $type = trim($type); 93 if(in_array(strtolower($type),$imgTypeArray)){ 94 return '<img src="'.$fileName.'"/>'; 95 }elseif(in_array(strtolower($type),$textTypeArray)){ 96 $result = @file_get_contents($fileName); 97 if(mb_check_encoding($result,'utf-8')){ 98 $result = mb_convert_encoding($result,'gbk','utf-8'); 99 }100 return '<pre>'.$result.'</pre>';101 }else {102 return false;103 }104 105 }106 }107 $index = new getIndex();108 print_r($index->getFileInfo());109 110 ?>111 </pre>112 </body>113 </html>
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