<?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";

  }

 }

?>