php普通表单多文件上传的代码

3. /*

4. * class: 文件上传类
5. * author: ZMM
6. * date: 2011.1.20
7. * email: [e-mail]
8. * link: http://bbs.it-home.org
9. */

10. class Upload {

11. public $up_ext=array(), $up_max=5210, $up_dir;
12. private $up_name, $up_rename=true, $up_num=0, $up_files=array(), $up_ret=array();

13. function __construct($name, $ext=array(), $rename=true) {

14. if (!empty($name)) {
15. $this->up_name = $name;
16. !empty($ext) && $this->up_ext = $ext;
17. $this->up_rename = $rename;
18. $this->up_dir = WEBSITE_DIRROOT.
19. $GLOBALS['cfg_upload_path'];
20. $this->InitUpload();
21. } else {
22. exit('upload文件域名称为空，初始化失败！');
23. }
24. }

25. private function InitUpload() {

26. if (is_array($_FILES[$this->up_name])) {
27. $up_arr = count($_FILES[$this->up_name]);
28. $up_all = count($_FILES[$this->up_name], 1);
29. $up_cnt = ($up_all - $up_arr) / $up_arr;
30. for ($i = 0; $i if ($_FILES[$this->up_name]['error'][$i] != 4) {
31. $this->up_files[] = array(
32. 'tmp_name' => $_FILES[$this->up_name]['tmp_name'][$i],
33. 'name' => $_FILES[$this->up_name]['name'][$i],
34. 'type' => $_FILES[$this->up_name]['type'][$i],
35. 'size' => $_FILES[$this->up_name]['size'][$i],
36. 'error' => $_FILES[$this->up_name]['error'][$i]
37. );
38. }
39. }
40. $this->up_num = count($this->up_files);
41. } else {
42. if (isset($_FILES[$this->up_name])) {
43. $this->up_files = array(
44. 'tmp_name' => $_FILES[$this->up_name]['tmp_name'],
45. 'name' => $_FILES[$this->up_name]['name'],
46. 'type' => $_FILES[$this->up_name]['type'],
47. 'size' => $_FILES[$this->up_name]['size'],
48. 'error' => $_FILES[$this->up_name]['error']
49. );
50. $this->up_num = 1;
51. } else {
52. exit('没找找到需要upload的文件！');
53. }
54. }

55. $this->ChkUpload();

56. }

57. private function ChkUpload() {

58. if (empty($this->up_ext)) {
59. $up_mime = array('image/wbmp', 'image/bmp', 'image/gif', 'image/pjpeg', 'image/x-png');
60. foreach ($this->up_files as $up_file) {
61. $up_allw = false;
62. foreach ($up_mime as $mime) {
63. if ($up_file['type'] == $mime) {
64. $up_allw = true; break;
65. }
66. }
67. !$up_allw && exit('不允许上传'.$up_file['type'].'格式的文件！');

68. if ($up_file['size'] / 1024 > $this->up_max) {

69. exit('不允许上传大于 '.$this->up_max.'K 的文件！');
70. }
71. }
72. } else {
73. foreach ($this->up_files as $up_file) {
74. $up_ext = end(explode('.', $up_file['name']));

75. $up_allw = false;

76. foreach ($this->up_ext as $ext) {
77. if ($up_ext == $ext) {
78. $up_allw = true; break;
79. }
80. }
81. !$up_allw && exit('不允许上传.'.$up_ext.'格式的文件！');

82. if ($up_file['size'] / 1024 > $this->up_max) {

83. exit('不允许上传大于 '.$this->up_max.'K 的文件！');
84. }
85. }
86. }

87. $this->Uploading();

88. }

89. private function Uploading() {

90. if (IO::DIRCreate($this->up_dir)) {
91. if (chmod($this->up_dir, 0777)) {
92. if (!empty($this->up_files)) {
93. foreach ($this->up_files as $up_file) {
94. if (is_uploaded_file($up_file['tmp_name'])) {
95. $file_name = $up_file['name'];
96. if ($this->up_rename) {
97. $file_ext = end(explode('.', $file_name));
98. $file_rnd = substr(md5(uniqid()), mt_rand(0, 26), 6);
99. $file_name = date('ymdHis').'_'.$file_rnd.'.'.$file_ext;
100. }
101. $file_name = $this->up_dir.'/'.$file_name;

102. if (move_uploaded_file($up_file['tmp_name'], $file_name)) {

103. $this->up_ret[] = str_replace(WEBSITE_DIRROOT, '', $file_name);
104. } else {
105. exit('文件上传失败！');
106. }
107. }
108. }
109. }
110. } else {
111. exit('未开启写入权限！');
112. }
113. } else {
114. exit('上传目录创建失败！');
115. }
116. }

117. public function GetUpload() {

118. return empty($this->up_ret) ? false : $this->up_ret;
119. }

120. function __destruct() {}

121. }
122. ?>

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