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PHP code to implement uploading and downloading files

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Release： 2016-07-25 08:58:53
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  6. 文件上传下载-bbs.it-home.org
  9. enctype="multipart/form-data">


  18. $dir = 'upload/';
  19. if(is_dir($dir)) {
  20. if ($dh = opendir($dir)) {
  21. while (($file = readdir($dh)) !== false) {
  22. if($file!="." && $file!="..") {
  23. echo "
    24. ";
  24. }
  25. }
  26. closedir($dh);
  27. }
  28. }
  29. ?>
  30. ".$file."
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2，上传文件源代码 upload_file.php

  3. /**

  4. * File upload and download
  5. * edit bbs.it-home.org
  6. */
  7. if ($_FILES["file"]["error"] > 0)
  8. {
  9. echo "Return Code: " . $_FILES["file"]["error"] . "
    ";
  10. }
  11. else
  12. {
  13. echo "Upload: " . $_FILES["file"]["name"] . "
    ";
  14. echo "Type: " . $_FILES["file"]["type"] . "
    ";
  15. echo "Size: " . ($_FILES["file"]["size"] / 1024) . " Kb
    ";
  16. echo "Temp file: " . $_FILES["file"]["tmp_name"] . "
    ";
  18. if (file_exists("upload/" . $_FILES["file"]["name"]))
  19. {
  20. echo $_FILES["file"]["name"] . " already exists. ";
  21. }
  22. else
  23. {
  24. move_uploaded_file($_FILES["file"]["tmp_name"],
  25. "upload/" . $_FILES["file"]["name"]);
  26. echo "Stored in: " . "upload/" . $_FILES["file"]["name"];
  27. }
  28. }

  29. //下载文件

  30. header('HTTP/1.1 301 Moved Permanently');
  31. header('Location:files.php');
  32. ?>

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php实现上传与下载文件的一段代码
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