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php面向对象文件上传

时间:2015-06-23 00:38:51      阅读:350      评论:0      收藏:0      [点我收藏+]

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文件上传类 Upload.class.php
  1. <?php
  2. class Upload {
  3. private $path;
  4. private $n;
  5. private $ext;
  6. private $length;
  7. public function __construct($path = ‘./‘, $n = 3, $ext = [‘jpg‘,‘gif‘,‘png‘,‘rar‘,‘ppt‘,‘doc‘], $length = 20971520) {
  8. $this->path = $path;
  9. $this->n = $n;
  10. $this->ext = $ext;
  11. $this->length = $length;
  12. }
  13. public function up() {
  14. $ufs = $_FILES;
  15. if (count ( $ufs ) <= 0) {
  16. return;
  17. } else {
  18. if (! file_exists ( $this->path )) {
  19. mkdir ( $this->path, 0777, true );
  20. }
  21. $uuu = [ ];
  22. foreach ( $ufs as $k => $v ) {
  23. if (is_array ( $v [‘name‘] )) {
  24. $ns = $v [‘name‘];
  25. $fs = $v [‘tmp_name‘];
  26. $ss = $v [‘size‘];
  27. foreach ( $fs as $kk => $vv ) {
  28. if ($ss [$kk] == 0) {
  29. continue;
  30. }
  31. $uf = iconv ( ‘utf-8‘, ‘gbk‘, $ns [$kk] );
  32. $et = strtolower ( substr ( $uf, strrpos ( $uf, ‘.‘ ) + 1 ) );
  33. if ($this->n == 1) {
  34. $uf = uniqid () . ‘.‘ . $et;
  35. } else if ($this->n == 2) {
  36. $uf = $this->uuid () . ‘.‘ . $et;
  37. } else if ($this->n == 3) {
  38. $nnn = substr ( $uf, 0, strrpos ( $uf, ‘.‘ ) );
  39. $t = 0;
  40. while ( file_exists ( $this->path . $uf ) ) {
  41. $uf = $nnn . (++ $t) . ‘.‘ . $et;
  42. }
  43. }
  44. if (in_array ( $et, $this->ext ) && $ss [$kk] <= $this->length) {
  45. move_uploaded_file ( $vv, $this->path . $uf );
  46. $uuu [] = $uf;
  47. }
  48. }
  49. } else {
  50. if ($v [‘size‘] == 0) {
  51. continue;
  52. }
  53. $uf = iconv ( ‘utf-8‘, ‘gbk‘, $v [‘name‘] );
  54. $et = strtolower ( substr ( $uf, strrpos ( $uf, ‘.‘ ) + 1 ) );
  55. if ($this->n == 1) {
  56. $uf = uniqid () . ‘.‘ . $et;
  57. } else if ($this->n == 2) {
  58. $uf = $this->uuid () . ‘.‘ . $et;
  59. } else if ($this->n == 3) {
  60. $nnn = substr ( $uf, 0, strrpos ( $uf, ‘.‘ ) );
  61. $t = 0;
  62. while ( file_exists ( $this->path . $uf ) ) {
  63. $uf = $nnn . (++ $t) . ‘.‘ . $et;
  64. }
  65. }
  66. if (in_array ( $et, $this->ext ) && $v [‘size‘] <= $this->length) {
  67. move_uploaded_file ( $v [‘tmp_name‘], $this->path . $uf );
  68. $uuu [] = $uf;
  69. }
  70. }
  71. }
  72. return $uuu;
  73. }
  74. }
  75. public function uuid($namespace = ‘‘) {
  76. $guid = $namespace;
  77. $uid = uniqid ( "", true );
  78. $data = $namespace;
  79. $data .= $_SERVER [‘REQUEST_TIME‘];
  80. $data .= $_SERVER [‘HTTP_USER_AGENT‘];
  81. $data .= $_SERVER [‘REMOTE_ADDR‘];
  82. $data .= $_SERVER [‘REMOTE_PORT‘];
  83. $hash = strtoupper ( hash ( ‘ripemd128‘, $uid . $guid . md5 ( $data ) ) );
  84. $guid = substr ( $hash, 0, 8 ) . ‘-‘ . substr ( $hash, 8, 4 ) . ‘-‘ . substr ( $hash, 12, 4 ) . ‘-‘ . substr ( $hash, 16, 4 ) . ‘-‘ . substr ( $hash, 20, 12 );
  85. return $guid;
  86. }
  87. public function __destruct() {
  88. }
  89. }
上传单个文件或者多个文件的html代码  uup.html
  1. <!DOCTYPE html>
  2. <html>
  3. <head>
  4. <meta charset="UTF-8">
  5. <title>Insert title here</title>
  6. </head>
  7. <body>
  8. <form action="up.php" method="post" enctype="multipart/form-data">
  9. 文件上传:<input type="file" name="f[]" multiple><br><!-- 上传多个文件 -->
  10. <!-- 上传文件:<input type="file" name="f" ><br> 上传单个文件 -->
  11. <input type="submit" value="提交">
  12. </form>
  13. </body>
  14. </html>
引入类和实例化类的代码up.php
  1. <?php
  2. include ‘inc/Upload.class.php‘;
  3. $u=new Upload(‘abc/‘,1);
  4. $uf=$u->up();
  5. echo ‘<pre>‘;
  6. print_r($uf);






php面向对象文件上传

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原文地址:http://www.cnblogs.com/lsr111/p/4594291.html

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