纯php多文件上传

本例就一个php,适合学习,本例可以添加到数据库的代码

上传多个文件时候请一次选择多个文件，支持doc jpg pdf等

本站里面比较实用的多文件上传有很多，这边推荐一个《jQuery ajax 无刷新多图片上传并记录到数据库》

2. if(isset($_FILES['files'])){
3. $res = upload_multiple_file($_FILES['files'],"../upload");
4. echo $res;
5. }
8. function upload_multiple_file($file,$file_dir="../upload") {
10. $overwrite=0;
11. $allowed_file_type= array("pdf","ppt","pptx","xls","xlxs","doc","docx","jpg", "jpeg", "png", "gif");
12. $max_file_size = 2097152;
14. foreach($_FILES['files']['name'] as $fkey=> $fname){
16. $ext = pathinfo($fname, PATHINFO_EXTENSION);
17. if (!in_array($ext, $allowed_file_type)) {
19. return "unsupported file format";
20. break;
21. }
24. }
26. foreach($_FILES['files']['tmp_name'] as $key => $tmp_name ){
29. $file_name = $_FILES['files']['name'][$key];
32. $file_size =$_FILES['files']['size'][$key];
35. $file_tmp_name =$_FILES['files']['tmp_name'][$key];
38. $file_type=$_FILES['files']['type'][$key];
41. if($file_size >0) {
42. if($file_size > $max_file_size){
44. $fsize=$max_file_size/1048576;
45. return 'File size must be less than '.$fsize.' MB';
46. break;
48. }
49. }
52. if(is_dir($file_dir)==false){
54. $status = mkdir("$file_dir", 0700);
56. if($status < 1){
58. return "unable to create diractory $file_dir ";
60. }
62. }
64. if(is_dir($file_dir)){
66. if($overwrite < 1){
68. move_uploaded_file($file_tmp_name,"$file_dir/".$file_name);
70. }
72. }
74. // $file_upload_query="INSERT into user_uploads (`u_id`,`file_name`,`file_type`) VALUES('$user_id','$file_name','$file_size','$file_type'); ";
75. //mysql_query($file_upload_query);
78. }
80. return "Success";
82. }
84. ?>
85. 
    原文地址:http://www.freejs.net/article_biaodan_103.html