簡單的php檔案上傳。一個檔案搞定。

來源:互聯網
上載者:User
有staff需要臨時上傳檔案作中轉,於是就寫了個uploads.php 這個來方便他上傳下載。 把下面代碼另存新檔uploads.php 然後放在www目錄即可  
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">  <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">  <head>      <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />      <meta name="author" content="xyl" />      <title>簡易檔案上傳</title>  </head>  <style type="text/css">  </style>  <body>  <form enctype="multipart/form-data" action="" method="post">  請選擇檔案: <br>      <input name="upload_file" type="file"><br>      <input type="submit" value="上傳檔案">  </form>  <br />  <br />  <br />  <br />  <?  /*   * uploads.php   * @name:       simeple php file upload && download tool   * @author:     rainysia   * @copyright:  Copyright (c) 2006 - 2013, BTROOT, Inc.   * @version:    Version 1.0   * @createTime: 2013-09-17 23:31:02   * @lastChange: 2013-10-17 15:55:40   */  function file_list($dir,$pattern=""){      $arr=array();      $dir_handle=opendir($dir);      if($dir_handle){          while(($file=readdir($dir_handle))!==false){              if($file==='.'  $file==='..'){                  continue;              }              $tmp=realpath($dir.'/'.$file);              if(is_dir($tmp)){                  $retArr=file_list($tmp,$pattern);                  if(!empty($retArr)){                      $arr[]=$retArr;                  }              } else {                  if($pattern===""  preg_match($pattern,$tmp)){                      $arr[]=$tmp;                  }              }          }          closedir($dir_handle);      }      return $arr;  }  $d_root = $_SERVER['DOCUMENT_ROOT'];  $store_dir = "$d_root/uploads/";// 上傳檔案的儲存位置  if (!is_dir($store_dir)) {      mkdir($store_dir,0777,true);  }  $file_arr = file_list($store_dir);  foreach ($file_arr as $v=>$k) {      $d_root_no = strlen($d_root);      $l = substr($k,$d_root_no);      echo $v.'號檔案下載地址為:  <a class="download_url" style="color:#01BCC8;text-decoration:none;font-size:16px;font-weight:bold;" href="'.$l.'">'.$_SERVER['SERVER_ADDR'].$l.'<a/><br />';  }  $upload_file=isset($_FILES['upload_file']['tmp_name'])?$_FILES['upload_file']['tmp_name']:'';  $upload_file_name=isset($_FILES['upload_file']['name'])?$_FILES['upload_file']['name']:'';  $upload_file_size=isset($_FILES['upload_file']['size'])?$_FILES['upload_file']['size']:'';  if($upload_file){      $file_size_max = 1000*1000*200;// 200M限制檔案上傳最大容量(bytes)      if (!is_dir($store_dir)) {          mkdir($store_dir,0777,true);      }      $accept_overwrite = 1;//是否允許覆蓋相同檔案      // 檢查檔案大小      if ($upload_file_size > $file_size_max) {          echo "對不起,你的檔案容量大於規定";          exit;      }      // 檢查讀寫檔案      if (file_exists($store_dir . $upload_file_name) && !$accept_overwrite) {          echo "存在相同檔案名稱的檔案";          exit;      }      //複製檔案到指定目錄      if (!move_uploaded_file($upload_file,$store_dir.$upload_file_name)) {          echo "複製檔案失敗";          exit;      }  }  if (isset($_FILES['upload_file'])) {      echo "<p>你上傳了檔案:";      echo isset($_FILES['upload_file']['name'])?$_FILES['upload_file']['name']:'';      echo "<br>";      //用戶端機器檔案的原名稱。        echo "檔案的 MIME 類型為:";      echo isset($_FILES['upload_file']['type'])?$_FILES['upload_file']['type']:'';      //檔案的 MIME 類型,需要瀏覽器提供該資訊的支援,例如“image/gif”。      echo "<br>";        echo "上傳檔案大小:";      echo isset($_FILES['upload_file']['size'])?$_FILES['upload_file']['size']:'';      //已上傳檔案的大小,單位為位元組。      echo "<br>";        echo "檔案上傳後被臨時儲存為:";      echo isset($_FILES['upload_file']['tmp_name'])?$_FILES['upload_file']['tmp_name']:'';      //檔案被上傳後在服務端儲存的臨時檔案名稱。      $erroe = isset($_FILES['upload_file']['error'])?$_FILES['upload_file']['error']:'';      switch($erroe){      case 0:          echo "上傳成功"; break;      case 1:          echo "上傳的檔案超過了 php.ini 中 upload_max_filesize 選項限制的值."; break;      case 2:          echo "上傳檔案的大小超過了 HTML 表單中 MAX_FILE_SIZE 選項指定的值。"; break;      case 3:          echo "檔案只有部分被上傳"; break;      case 4:          echo "沒有檔案被上傳"; break;      case 6:          echo "沒有緩衝目錄"; break;      case 7:          echo "上傳目錄不可讀"; break;      case 8:          echo "上傳停止"; break;      default :          echo "沒有選擇上傳檔案"; break;      }      echo "<script language=JavaScript>location.replace(location.href);</script>";  }  ?>  </body>  </html>  
  

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