Home Backend Development PHP Tutorial PHP单文件、多个单文件、多文件上传函数的打包

PHP单文件、多个单文件、多文件上传函数的打包

Jun 13, 2016 pm 12:19 PM
fileinfo name quot

PHP单文件、多个单文件、多文件上传函数的封装

//表单://s.php//要在选择上传文件时能一次选择多个文件,那么就加multiple="multiple" ,还有注意下name="myFile1"和name="myFile[]"的区别,单文件、多文件上传.<meta charset="utf-8"><title>无标题文档</title>
Copy after login





//上传函数的封装://ss.php$val){ $files[$i]['name']=$file['name'][$key]; $files[$i]['type']=$file['type'][$key]; $files[$i]['tmp_name']=$file['tmp_name'][$key]; $files[$i]['error']=$file['error'][$key]; $files[$i]['size']=$file['size'][$key]; $i++; } } } return $files;}//针对于单文件、多个单文件、多文件的上传//默认允许上传的文件只为图片类型,并且只有这些图片类型:$allowExt=array('jpeg','jpg','png','gif');并且检查上传的文件是否为真实的图片$flag=true//默认上传保存的文件夹为本地的'uploads'文件夹,允许上传文件的大小最大为2Mfunction uploadFile($fileInfo,$path='./uploads',$flag=true,$allowExt=array('jpeg','jpg','png','gif'),$maxSize=2097152){ //判断错误号 if($fileInfo['error']===UPLOAD_ERR_OK){ //检测上传文件的大小 if($fileInfo['size']>$maxSize){ $res['mes']=$fileInfo['name'].'上传文件过大'; } $ext=getExt($fileInfo['name']); //检测上传文件的文件类型 if(!in_array($ext,$allowExt)){ $res['mes']=$fileInfo['name'].'非法文件类型'; } //检测是否是真实的图片类型 if($flag){ if(!getimagesize($fileInfo['tmp_name'])){ $res['mes']=$fileInfo['name'].'不是真实图片类型'; } } //检测文件是否是通过HTTP POST上传上来的 if(!is_uploaded_file($fileInfo['tmp_name'])){ $res['mes']=$fileInfo['name'].'文件不是通过HTTP POST方式上传上来的'; } if( $res ) return $res; //如果要不显示错误信息的话,用if( @$res ) return $res; //$path='./uploads'; //如果没有这个文件夹,那么就创建一 if(!file_exists($path)){ mkdir($path,0777,true); chmod($path,0777); } //新文件名唯一 $uniName=getUniName(); $destination=$path.'/'.$uniName.'.'.$ext; [email protected],也可以删除 if([email protected]_uploaded_file($fileInfo['tmp_name'],$destination)){ $res['mes']=$fileInfo['name'].'文件移动失败'; } $res['mes']=$fileInfo['name'].'上传成功'; $res['dest']=$destination; return $res; }else{ //匹配错误信息 //注意!错误信息没有5 switch($fileInfo['error']){ case 1: $res['mes'] = '上传文件超过了PHP配置文件中upload_max_filesize选项的值'; break; case 2: $res['mes'] = '超过了HTML表单MAX_FILE_SIZE限制的大小'; break; case 3: $res['mes'] = '文件部分被上传'; break; case 4: $res['mes'] = '没有选择上传文件'; break; case 6: $res['mes'] = '没有找到临时目录'; break; case 7: $res['mes'] = '文件写入失败'; break; case 8: $res['mes'] = '上传的文件被PHP扩展程序中断'; break; } return $res; }}?>//common.ss.php//上传后文件的操作:'; $uploadFiles[]=$res['dest'];//如果要不显示错误信息的话,用@$uploadFiles[]=$res['dest'];}$uploadFiles=array_values(array_filter($uploadFiles));//这样便于保存到数据库print_r($uploadFiles);//打印查看上传保存的结果?>
2楼ltx06昨天 20:53
『PHP单文件上传原理及上传函数的封装』和n『PHP单文件、多个单文件、多文件上传函数的封装』都是看慕课网视频整理出来的,加上了我个人的注释;在网上搜索了好多关于php文件上传的,但是还是自己整理时的最清晰
1楼ltx06昨天 20:44
对于为什么要检测是否为真实的图片,因为,用户可以通过建一个txt文件,然后修改其后缀为.jpg/png等,从而为一个图片文件,但是,这不是一个真实的图片~
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

php提交表单通过后,弹出的对话框怎样在当前页弹出,该如何解决 php提交表单通过后,弹出的对话框怎样在当前页弹出,该如何解决 Jun 13, 2016 am 10:23 AM

php提交表单通过后,弹出的对话框怎样在当前页弹出php提交表单通过后,弹出的对话框怎样在当前页弹出而不是在空白页弹出?想实现这样的效果:而不是空白页弹出:------解决方案--------------------如果你的验证用PHP在后端,那么就用Ajax;仅供参考:HTML code

How to install php fileinfo extension How to install php fileinfo extension Sep 12, 2021 am 11:36 AM

How to install the php fileinfo extension: 1. Find the PHP installation source directory; 2. Parse and use phpize to release the fileinfo module; 3. Compile and install; 4. Restart PHP.

What should I do if php cannot get the name? What should I do if php cannot get the name? Nov 24, 2022 am 09:56 AM

PHP cannot get the name because when the name and id values ​​of the form element are different, the browser cannot recognize it. The solution: 1. Check whether some form elements and frame elements use name; 2. Check only Elements that can be assigned ID but not name; 3. For multi-select box checkbox, you can use "join(',', $__POST['name'])" to form data.

How to add name to setup in Vue3 How to add name to setup in Vue3 May 13, 2023 am 09:40 AM

What is the use of name in Vue3? 1. Name needs to be defined when making recursive components. 2. The component can be cached with keep-aliveincludeexclude. 3. When Vue reports an error or is debugging, you can see the name of the component. Vue3 defines name1. It is automatically generated as long as the setup syntax sugar mode single file component is turned on in the script. The corresponding name option will be automatically generated based on the file name. For example, Tree.vue, then its name will be automatically generated by Tree. This has a drawback. If you want to modify the name, you need to modify the component name. If there is a place to import the component, you need to modify it together. 2. Open a script to define name

不用数据库来实现用户的简单的下载,代码如下,但是却不能下载,请高手找下原因,文件路劲什么的没有关问题 不用数据库来实现用户的简单的下载,代码如下,但是却不能下载,请高手找下原因,文件路劲什么的没有关问题 Jun 13, 2016 am 10:15 AM

不用数据库来实现用户的简单的下载,代码如下,但是却不能下载,请高手找下原因,文件路劲什么的没问题。

图片消失怎么解决 图片消失怎么解决 Apr 07, 2024 pm 03:02 PM

图片消失如何解决先是图片文件上传$file=$_FILES['userfile'];  if(is_uploaded_file($file['tmp_name'])){$query=mysql_query("INSERT INTO gdb_banner(image_src ) VALUES ('images/{$file['name'

图片消失怎么解决 图片消失怎么解决 Jun 13, 2016 am 10:09 AM

图片消失如何解决先是图片文件上传$file=$_FILES['userfile'];  if(is_uploaded_file($file['tmp_name'])){$query=mysql_query("INSERT INTO gdb_banner(image_src ) VALUES ('images/{$file['name'

为什么小弟我在php上写的这个代码,在浏览器上什么都不显示 为什么小弟我在php上写的这个代码,在浏览器上什么都不显示 Jun 13, 2016 am 10:24 AM

为什么我在php上写的这个代码,在浏览器上什么都不显示啊

See all articles