简单的php文件上传。一个文件搞定。_PHP教程

有staff需要临时上传文件作中转，于是就写了个uploads.php 这个来方便他上传下载。
把下面代码另存为uploads.php 然后放在www目录即可
<!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>简易文件上传</title>  </head>  <style type="text/css">  </style>  <body>  <form enctype="multipart/form-data" action="" method="post">  请选择文件： <br>      <input name="upload_file" type="file"><br>      <input type="submit" value="上传文件">  </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/";// 上传文件的储存位置  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 $v.'号文件下载地址为:  <a class="download_url" style="color:#01BCC8;text-decoration:none;font-size:16px;font-weight:bold;" href="'.$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){      $file_size_max = 1000*1000*200;// 200M限制文件上传最大容量(bytes)      if (!is_dir($store_dir)) {          mkdir($store_dir,0777,true);      }      $accept_overwrite = 1;//是否允许覆盖相同文件      // 检查文件大小      if ($upload_file_size > $file_size_max) {          echo "对不起，你的文件容量大于规定";          exit;      }      // 检查读写文件      if (file_exists($store_dir . $upload_file_name) && !$accept_overwrite) {          echo "存在相同文件名的文件";          exit;      }      //复制文件到指定目录      if (!move_uploaded_file($upload_file,$store_dir.$upload_file_name)) {          echo "复制文件失败";          exit;      }  }  if (isset($_FILES['upload_file'])) {      echo "<p>你上传了文件:";      echo isset($_FILES['upload_file']['name'])?$_FILES['upload_file']['name']:'';      echo "<br>";      //客户端机器文件的原名称。        echo "文件的 MIME 类型为:";      echo isset($_FILES['upload_file']['type'])?$_FILES['upload_file']['type']:'';      //文件的 MIME 类型，需要浏览器提供该信息的支持，例如“image/gif”。      echo "<br>";        echo "上传文件大小:";      echo isset($_FILES['upload_file']['size'])?$_FILES['upload_file']['size']:'';      //已上传文件的大小，单位为字节。      echo "<br>";        echo "文件上传后被临时储存为:";      echo isset($_FILES['upload_file']['tmp_name'])?$_FILES['upload_file']['tmp_name']:'';      //文件被上传后在服务端储存的临时文件名。      $erroe = isset($_FILES['upload_file']['error'])?$_FILES['upload_file']['error']:'';      switch($erroe){      case 0:          echo "上传成功"; break;      case 1:          echo "上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值."; break;      case 2:          echo "上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值。"; break;      case 3:          echo "文件只有部分被上传"; break;      case 4:          echo "没有文件被上传"; break;      case 6:          echo "没有缓存目录"; break;      case 7:          echo "上传目录不可读"; break;      case 8:          echo "上传停止"; break;      default :          echo "没有选择上传文件"; break;      }      echo "<script language=JavaScript>location.replace(location.href);</script>";  }  ?>  </body>  </html>
简单的php文件上传。一个文件搞定。_PHP教程_编程技术
