上传文件

<?php
header("Content-Type: text/html; charset=utf-8");
 // print_r($_FILES);

if(!is_dir('uploads'))
 {
  mkdir('uploads');
 }
 $t_name=$_FILES["files"]["tmp_name"];
 $name=$_FILES["files"]["name"];
 $a=explode(".", $name);
 $b=array_pop($a);
 $names=time().mt_rand();
 $ture_name=$names.".".$b;
 $path='uploads/'.$ture_name;
 if ($_FILES["files"]["error"]==0) {
  if (move_uploaded_file($t_name,$path)) {
   echo "上传成功";
  }
 }

?>