编程的艺术 php文件上传类
[php] view plaincopyprint?

1. <?php
2. header("Content-Type:text/html; charset=utf-8;");
3. echo "uploadclass<br/>";
4. echo "<br/>".$_FILES['file']["name"]."<br/>";
6. $nabc = new uploadclass($_FILES['file']);
7. echo "<br/>".$nabc->getname()."<br/>";//获取新的名字
10. class uploadclass {
11. var $location ;//设置存放文件的目录
12. var $max_size;//上传文件的大小
13. var $event; //初始值是success
14. var $filename;//获取保存在文件夹里的文件的文件名字
15. function uploadclass($file) {
16. $location = "./temp/";//设置存放文件的目录
17. $max_size = 1000000;//上传文件的大小
18. $event="success"; //初始值是success
19. //判断目录是否存在
20. if(! is_dir($location))
21. {
22. mkdir($location);
23. @chmod($location,777);
24. }
26. $oldFilename = $file["name"];
27. $filename = explode(".",$oldFilename);
28. $filenameext = $filename[count($filename) - 1];
29. $newFilename = "_".time()."_".rand(10000, 20000).".".$filenameext;
30. $this->filename = $newFilename;
32. echo "<br/>".$this->$filename."<br/>";
33. if(!$file['name']=="")
34. {
35. if($file['size']<$max_size)
36. {
37. echo "文件上传路径：".$location.$file['name'];
38. move_uploaded_file($file['tmp_name'], $location.$newFilename) or $event = "Failure";
39. }
40. else
41. {
42. $event="File too large";
43. }
44. }
45. }
47. public function getname()
48. {
49. return $this->filename;
50. }
51. }
52. ?>