<?php header("Content-type: text/html; charset=utf-8");
//上传文件代码
if($_FILES["file"]["error"] > 0)
{ echo "错误：" . $_FILES["file"]["error"];}else{ echo "文件名:" . $_FILES["file"]["name"] . "<br />"; echo "类型:" . $_FILES["file"]["type"] . "<br />"; echo "大小:" . ($_FILES["file"]["size"] / 1024) . " Kb<br />"; echo "存储位置:" . $_FILES["file"]["tmp_name"] . "<br /><br />"; //判断目录aaa是否存在，否则创建目录 if(!is_dir("aaa/")) { mkdir("aaa/", "0777"); echo "创建目录成功!"; } if(file_exists("update/" . $_FILES["file"]["name"])) { echo $_FILES["file"]["name"] . " 已存在!"; } else { $file_name = md5(date("YmdGis")) . $_FILES["file"]["name"]; move_uploaded_file($_FILES["file"]["tmp_name"], "update/" . $file_name); echo "文件成功存储到：" . "update/" . $file_name; }}?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>无标题文档</title></head><body><form action="update_file.php" method="post" enctype="multipart/form-data">文件名：<input type="file" name="file" id="file" /><br /><input type="submit" name="submit" value="提交" /></form></body></html>