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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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  1. 文件上传下载-bbs.it-home.org
  2. enctype="multipart/form-data">


  3. $dir = 'upload/';
  4. if(is_dir($dir)) {
  5. if ($dh = opendir($dir)) {
  6. while (($file = readdir($dh)) !== false) {
  7. if($file!="." && $file!="..") {
  8. echo "
  9. ";
  10. }
  11. }
  12. closedir($dh);
  13. }
  14. }
  15. ?>
  16. ".$file."
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2,上传文件源代码 upload_file.php

  1. /**

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

  26. //下载文件

  27. header('HTTP/1.1 301 Moved Permanently');
  28. header('Location:files.php');
  29. ?>

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