批改状态:合格
老师批语:预习原生多文件上传怎么处理
代码块
html
<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>Title</title></head><body><form action="upload.php" method="post" enctype="multipart/form-data"><fieldset><legend>单文件上传</legend><label for="my_file"></label><input type="file" name="my_file" id="my_file"><button type="submit">上传</button></fieldset></form></body></html>
php
<?php//printf('<pre>%s</pre>',print_r($_FILES,true));$file =$_FILES;a($file);function a($file){ini_set('error.log','./error.log');$error = $file['my_file']['error'];if ($error!=0) {switch ($error) {case 1:exit('上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值');case 2:exit('上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值');case 3:exit('文件只有部分被上传');case 4:exit('没有文件被上传');case 5:exit('上传文件大小为0');default:exit('系统错误');}}$fileName = $file['my_file']['name'];$type = $file['my_file']['type'];$tmpName = $file['my_file']['tmp_name'];$size = $file['my_file']['size'];if ($size/1024/1024 > 5) exit('文件大小不能超过5M');$type = explode('/',$type)[1];if (!in_array($type,['jpg','jpeg','png','wbmp','gif'] )) exit('文件格式只能是jpg,jpeg,png,wbmp,gif');if (!file_exists('uploads/')) mkdir('uploads/',0777,true);move_uploaded_file($tmpName,"uploads/".$fileName);exit('文件上传成功');}
效果图

Copyright 2014-2025 https://www.php.cn/ All Rights Reserved | php.cn | 湘ICP备2023035733号