这篇文章主要为大家分享了一个适用于初学者的简易PHP文件上传类，具有一定的参考价值，感兴趣的小伙伴们可以参考一下，本文实例讲述了PHP多文件上传类，分享给大家供大家参考，具体如下：

1. <?php
2. class Test_Upload{
3. protected $_uploaded = array();
4. protected $_destination;
5. protected $_max = 1024000;
6. protected $_messages = array();
7. protected $_permited = array(
8. 'image/gif',
9. 'image/jpeg',
10. 'image/pjpeg',
11. 'image/png'
12. );
13. protected $_renamed = false;
14. /**
15. *
16. * @param mix $path
17. *
18. */
19. public function __construct($path){
20. if (!is_dir($path) || !is_writable($path)){
21. throw new Exception("文件名不可写，或者不是目录！");
22. }
23. $this->_destination = $path;
24. $this->_uploaded = $_FILES;
25. }
26. /**
27. * 移动文件
28. *
29. */
30. public function move(){
31. $filed = current($this->_uploaded);
32. $isOk = $this->checkError($filed['name'], $filed['error']);
33. //debug ok
34. if ($isOk){
35. $sizeOk = $this->checkSize($filed['name'], $filed['size']);
36. $typeOk = $this->checkType($filed['name'], $filed['type']);
37. if ($sizeOk && $typeOk){
38. $success = move_uploaded_file($filed['tmp_name'], $this->_destination.$filed['name']);
39. if ($success){
40. $this->_messages[] = $filed['name']."文件上传成功";
41. }else {
42. $this->_messages[] = $filed['name']."文件上传失败";
43. }
44. }
45. }
46. }
47. /**
48. * 查询messages数组内容
49. *
50. */
51. public function getMessages(){
52. return $this->_messages;
53. }
54. /**
55. * 检测上传的文件大小
56. * @param mix $string
57. * @param int $size
58. */
59. public function checkSize($filename, $size){
60. if ($size == 0){
61. return false;
62. }else if ($size > $this->_max){
63. $this->_messages[] = "文件超出上传限制大小".$this->getMaxsize();
64. return false;
65. }else {
66. return true;
67. }
68. }
69. /**
70. * 检测上传文件的类型
71. * @param mix $filename
72. * @param mix $type
73. */
74. protected function checkType($filename, $type){
75. if (!in_array($type, $this->_permited)){
76. $this->_messages[] = "该文件类型是不被允许的上传类型";
77. return false;
78. }else {
79. return true;
80. }
81. }
82. /**
83. * 获取文件大小
84. *
85. */
86. public function getMaxsize(){
87. return number_format($this->_max / 1024, 1).'KB';
88. }
89. /**
90. * 检测上传错误
91. * @param mix $filename
92. * @param int $error
93. *
94. */
95. public function checkError($filename, $error){
96. switch ($error){
97. case 0 : return true;
98. case 1 :
99. case 2 : $this->_messages[] = "文件过大！"; return true;
100. case 3 : $this->_messages[] = "错误上传文件！";return false;
101. case 4 : $this->_messages[] = "没有选择文件!"; return false;
102. default : $this->_messages[] = "系统错误!"; return false;
103. }
104. }
105. }
106. ?>