Simple example of uploading files in php

WBOY
Release: 2016-07-25 08:57:32
Original
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  1. /**
  2. * php upload file
  3. * edit: bbs.it-home.org
  4. */
  5. if ((($_FILES["file"]["type"] == "image/gif")
  6. || ($_FILES["file"]["type"] == "image/jpeg")
  7. || ($_FILES["file"]["type"] == "image/pjpeg"))
  8. && ($_FILES["file"]["size"] < 20000))
  9. {
  10. if ($_FILES["file"]["error"] > 0)
  11. {
  12. echo "Return Code: " . $_FILES["file"]["error"] . "
    ";
  13. }
  14. else
  15. {
  16. echo "Upload: " . $_FILES["file"]["name"] . "
    ";
  17. echo "Type: " . $_FILES["file"]["type"] . "
    ";
  18. echo "Size: " . ($_FILES["file"]["size"] / 1024) . " Kb
    ";
  19. echo "Temp file: " . $_FILES["file"]["tmp_name"] . "
    ";
  20. if (file_exists("upload/" . $_FILES["file"]["name"]))
  21. {
  22. echo $_FILES["file"]["name"] . " already exists. ";
  23. }
  24. else
  25. {
  26. move_uploaded_file($_FILES["file"]["tmp_name"], "upload/" . $_FILES["file"]["name"]);//注释
  27. echo "Stored in: " . "upload/" . $_FILES["file"]["name"];
  28. }
  29. }
  30. }
  31. else
  32. {
  33. echo "Invalid file";
  34. }
  35. ?>
复制代码

代码说明: php上传文件时会将文件存在一个临时文件夹,如果没有对此临时文件进行移动,那么本脚本结束后会自动删除该临时文件。 以上注释那行代码是对上传文件进行保存。 保存的目录为:当前目录下的upload文件夹下。



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