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upload文件上传
秋闲独醉
Original
388 people have browsed it

单文件上传

  1. <?php
  2. if(isset($_FILES['userfile'])){
  3. $error = $_FILES['userfile']['error'];
  4. // var_dump($error);
  5. if($error){
  6. switch($error){
  7. case 1: echo "上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值.";
  8. break;
  9. 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.";
  10. break;
  11. case 3: echo "文件只有部分被上传。";
  12. break;
  13. case 4: echo "没有文件被上传。";
  14. break;
  15. case 6: echo "找不到临时文件夹。";
  16. break;
  17. case 7: echo "文件写入失败。";
  18. default: echo "未知错误";
  19. }
  20. }else{
  21. $name =pathinfo($_FILES['userfile']['name'])['filename'];
  22. $ext = pathinfo($_FILES['userfile']['name'])['extension'];
  23. $newFileName = 'upload/'.md5($name).'.'.$ext;
  24. // var_dump($newFileName,$_FILES['userfile']['tmp_name']);
  25. if(move_uploaded_file($_FILES['userfile']['tmp_name'],"$newFileName")){
  26. echo "上传成功";
  27. }else{
  28. echo '123';
  29. }
  30. }
  31. }
  32. ?>
  33. <!DOCTYPE html>
  34. <html lang="en">
  35. <head>
  36. <meta charset="UTF-8">
  37. <meta http-equiv="X-UA-Compatible" content="IE=edge">
  38. <meta name="viewport" content="width=device-width, initial-scale=1.0">
  39. <title>文件上传功能</title>
  40. </head>
  41. <body>
  42. <h1>单文件上传功能</h1>
  43. <form action="demo.php" method="POST" enctype="multipart/form-data">
  44. <input type="hidden" name="MAX_FILE_SIZE" value="1048576">
  45. <input type="file" name="userfile" id="">
  46. <button>上传</button>
  47. </form>
  48. </body>
  49. </html>

多文件上传

  1. <?php
  2. // var_dump($_FILES);
  3. $message = "";
  4. foreach($_FILES['userfile']['error'] as $key => $value){
  5. if(!$value){
  6. switch($value){
  7. case 1: $message .="第{$key}个文件上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值。"."<br>";
  8. break;
  9. case 2: $message .="第{$key}个文件上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值。"."<br>";
  10. break;
  11. case 3: $message .="第{$key}个文件文件只有部分被上传。"."<br>";
  12. break;
  13. case 4: $message .="第{$key}个文件没有文件被上传。"."<br>";
  14. break;
  15. case 6: $message .="第{$key}个文件找不到临时文件夹。"."<br>";
  16. break;
  17. case 7: $message .="第{$key}个文件文件写入失败。"."<br>";
  18. // default: echo "未知错误";
  19. }
  20. }
  21. }
  22. if($message){
  23. echo $message;
  24. exit;
  25. }
  26. foreach($_FILES['userfile']['error'] as $key => $value){
  27. if(is_uploaded_file($_FILES['userfile']['tmp_name'][$key])){
  28. $newFileName = 'upload/'.$_FILES['userfile']['name'][$key];
  29. $oldFileName = $_FILES['userfile']['tmp_name'][$key];
  30. move_uploaded_file($oldFileName,$newFileName);
  31. echo "上传成功";
  32. }else{
  33. echo "未知错误";
  34. }
  35. }
  36. ?>
  37. <!DOCTYPE html>
  38. <html lang="en">
  39. <head>
  40. <meta charset="UTF-8">
  41. <meta http-equiv="X-UA-Compatible" content="IE=edge">
  42. <meta name="viewport" content="width=device-width, initial-scale=1.0">
  43. <title>文件上传功能</title>
  44. </head>
  45. <body>
  46. <h1>多文件上传功能</h1>
  47. <form action="demo.php" method="POST" enctype="multipart/form-data">
  48. <!-- <input type="hidden" name="MAX_FILE_SIZE" value="1048576"> -->
  49. <input type="file" name="userfile[]" id="" multiple>
  50. <button>上传</button>
  51. </form>
  52. </body>
  53. </html>
Correcting teacher:PHPzPHPz

Correction status:qualified

Teacher's comments:
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