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  • php面向对象文件上传

    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. 			
    23. 			foreach ( $ufs as $k => $v ) {
    24. 				if (is_array ( $v ['name'] )) {
    25. 					$ns = $v ['name'];
    26. 					$fs = $v ['tmp_name'];
    27. 					$ss = $v ['size'];
    28. 					foreach ( $fs as $kk => $vv ) {
    29. 						if ($ss [$kk] == 0) {
    30. 							continue;
    31. 						}
    32. 						$uf = iconv ( 'utf-8', 'gbk', $ns [$kk] );
    33. 						$et = strtolower ( substr ( $uf, strrpos ( $uf, '.' ) + 1 ) );
    34. 						
    35. 						if ($this->n == 1) {
    36. 							$uf = uniqid () . '.' . $et;
    37. 						} else if ($this->n == 2) {
    38. 							$uf = $this->uuid () . '.' . $et;
    39. 						} else if ($this->n == 3) {
    40. 							$nnn = substr ( $uf, 0, strrpos ( $uf, '.' ) );
    41. 							$t = 0;
    42. 							while ( file_exists ( $this->path . $uf ) ) {
    43. 								$uf = $nnn . (++ $t) . '.' . $et;
    44. 							}
    45. 						}
    46. 						if (in_array ( $et, $this->ext ) && $ss [$kk] <= $this->length) {
    47. 							move_uploaded_file ( $vv, $this->path . $uf );
    48. 							$uuu [] = $uf;
    49. 						}
    50. 					}
    51. 				} else {
    52. 					if ($v ['size'] == 0) {
    53. 						continue;
    54. 					}
    55. 					$uf = iconv ( 'utf-8', 'gbk', $v ['name'] );
    56. 					$et = strtolower ( substr ( $uf, strrpos ( $uf, '.' ) + 1 ) );
    57. 					if ($this->n == 1) {
    58. 						$uf = uniqid () . '.' . $et;
    59. 					} else if ($this->n == 2) {
    60. 						$uf = $this->uuid () . '.' . $et;
    61. 					} else if ($this->n == 3) {
    62. 						$nnn = substr ( $uf, 0, strrpos ( $uf, '.' ) );
    63. 						$t = 0;
    64. 						while ( file_exists ( $this->path . $uf ) ) {
    65. 							$uf = $nnn . (++ $t) . '.' . $et;
    66. 						}
    67. 					}
    68. 					if (in_array ( $et, $this->ext ) && $v ['size'] <= $this->length) {
    69. 						move_uploaded_file ( $v ['tmp_name'], $this->path . $uf );
    70. 						$uuu [] = $uf;
    71. 					}
    72. 				}
    73. 			}
    74. 			return $uuu;
    75. 		}
    76. 	}
    77. 	public function uuid($namespace = '') {
    78. 		$guid = $namespace;
    79. 		$uid = uniqid ( "", true );
    80. 		$data = $namespace;
    81. 		$data .= $_SERVER ['REQUEST_TIME'];
    82. 		$data .= $_SERVER ['HTTP_USER_AGENT'];
    83. 		$data .= $_SERVER ['REMOTE_ADDR'];
    84. 		$data .= $_SERVER ['REMOTE_PORT'];
    85. 		$hash = strtoupper ( hash ( 'ripemd128', $uid . $guid . md5 ( $data ) ) );
    86. 		$guid = substr ( $hash, 0, 8 ) . '-' . substr ( $hash, 8, 4 ) . '-' . substr ( $hash, 12, 4 ) . '-' . substr ( $hash, 16, 4 ) . '-' . substr ( $hash, 20, 12 );
    87. 		return $guid;
    88. 	}
    89. 	public function __destruct() {
    90. 		
    91. 	}
    92. }
    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);
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  • 原文地址：https://www.cnblogs.com/lsr111/p/4594291.html
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