这是一款完整的php文件上传实例代码,支持上传的类型可以创建类时自定义,可支持的上传文件类型,代码如下:

1. <form name="form1" enctype="multipart/form-data" method="post" action="">
2. <label for="filefield"></label>
3. <input type="file" name="filefield" >
4. <input type="submit" name="button" value="上传文件">
5. </form>
6. <?php
7. /*
8. * $name; 上传文件名
9. * $size： 上传文件大小
10. * $path; 文件原路径
11. * $newpath: 设置新路径
12. * $not: 禁止上传的文件类型数组
13. * $notsize: 限制文件大小的值
14. * $move: 上传文件源
15. *
16. */
17. class fileupload {
18. public $name;
19. public $size;
20. public $path;
21. public $newpath;
22. public $not = array();
23. public $notsize;
24. public $move;
25. public $allfile = array();
26. function __construct($name,$size,$path,$newpath,$not,$notsize) {
27. $this ->name = $name;
28. $this ->size = $size/1048576;
29. $this ->path = $path;
30. $this ->newpath = $newpath;
31. $this ->not = explode(',',$not);
32. $this ->notsize = $notsize;
33. $this ->upload();
34. }
35. /*
36. * 上传程序
37. * 首先判断目录是否存在
38. * 判断文件类型及大小
39. */
40. function upload(){
41. if(!file_exists($this->newpath)){
42. echo "<script>alert('该目录不存在！')</script>";
43. return;
44. }else{
45. $arr = explode('.',$this->name);
46. if(in_array($arr[1],$this->not)){
47. echo "<script>alert('该类型文件禁止上传!')</script>";
48. return;
49. }else if($this->name == ''){
50. echo "<script>alert('请选择上传的文件!')</script>";
51. return;
52. }else if($this->size>$this->notsize){
53. echo "<script>alert('上传文件超过规定大小!')</script>";
54. return;
55. }else if(file_exists("$this->newpath"."$this->name")){
56. echo "<script>alert('该文件已经存在!')</script>";
57. return;
58. }
59. else{
60. $this->move = move_uploaded_file($this->path,$this->newpath.$this->name);
61. $this->move();
62. }
63. }
64. }
65. /*
66. * 判断文件上传是否成功
67. */
68. function move(){
69. if($this->move){
70. echo "<script>alert('文件上传成功！')</script>";
71. return;
72. }else{
73. echo "<script>alert('上传失败！')</script>";
74. return;
75. }
76. }
77. }
78. $fu = new fileupload($array[name],$array[size],$array[tmp_name],'./www.phpfensi.com/','exe,rar',5);