使用php 进行多文件的上传是学习php 必不可少的内容，因此我根据 慕课网上的教程改编了下，形成下面的代码，如若有什么问题，请指点指点我这个小菜鸟！
upload.class.php: 面向对象的类文件的封装
<?php
/**
* Created in upload.
* FileName: upload.class.php
* User: fanfan
* Date: 2015/7/30
* Time: 21:26
*/
//多文件上传封装
class upload
{
//protected $fileName;
protected $maxSize;
protected $allowMime;
protected $allowExt;
protected $uploadPath;
protected $imgFlag;
protected $fileInfo;
protected $error;
protected $ext;
protected $destination;
/**
* 定义构造函数
* @param string $fileName
* @param bool|true $imgFlag
* @param string $uploadPath
* @param int $maxSize
* @param array $allowExt
* @param array $allowMime
*/
public function __construct($fileInfo=null, $imgFlag = true, $uploadPath = './uploads', $maxSize = 5242880, $allowExt = array('jpeg', 'jpg', 'png', 'gif'), $allowMime = array('image/jpeg', 'image/jpg', 'image/png', 'image/gif'))
{
//$this->fileName = $fileName;
$this->maxSize = $maxSize;
$this->allowMime = $allowMime;
$this->allowExt = $allowExt;
$this->uploadPath = $uploadPath;
$this->imgFlag = $imgFlag;
$this->fileInfo = $fileInfo;
}
public function getFiles(){
$i=0;
foreach($_FILES as $file){
if(is_string($file['name'])){
$files[$i]=$file;
$i++;
}elseif(is_array($file['name'])){
foreach($file['name'] as $key=>$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 $files;
}
/**
* 检测上传文件是否出错
* @return bool
*/
protected function checkError()
{
if (!is_null($this->fileInfo)) {
if ($this->fileInfo['error'] > 0) {
switch ($this->fileInfo['error']) {
case 1:
$this->error = '超过了PHP配置文件中upload_max_filesize选项的值';
break;
case 2:
$this->error = '超过了表单中MAX_FILE_SIZE设置的值';
break;
case 3:
$this->error = '文件部分被上传';
break;
case 4:
$this->error = '没有选择上传文件';
break;
case 6:
$this->error = '没有找到临时目录';
break;
case 7:
$this->error = '文件不可写';
break;
case 8:
$this->error = '由于PHP扩展程序中断上传';
break;
}
return false;
} else {
return true;
}
} else {
echo $this->fileInfo['name'].'文件上传出错';
return false;
}
}
/**
* 检测文件大小
* @return bool
*/
protected function checkSize()
{
if ($this->fileInfo['size'] > $this->maxSize) {
$this->error = $this->fileInfo['name'].'上传的文件太大';
return false;
}
return true;
}
/**
* 检测文件上传方式
* @return bool
*/
protected function checkHTTPPost()
{
if (!is_uploaded_file($this->fileInfo['tmp_name'])) {
$this->error = $this->fileInfo['name'].'上传的文件不是用HTTP POST的方式上传的';
return false;
}
return true;
}
/**
* 检测扩展名
* @return bool
*/
protected function checkExt()
{
$this->ext = strtolower(pathinfo($this->fileInfo['name'], PATHINFO_EXTENSION));
if (!in_array($this->ext, $this->allowExt)) {
$this->error = $this->fileInfo['name'].'不允许的扩展名';
return false;
}
return true;
}
/**
* 检测文件类型
* @return bool
*/
protected function checkMime()
{
if (!in_array($this->fileInfo['type'], $this->allowMime)) {
$this->error = $this->fileInfo['name'].'不允许文件类型';
return false;
}
return true;
}
/**
* 检测是否是真实的图片
* @return bool
*/
protected function checkTrueImg()
{
if ($this->imgFlag) {
if (!@getimagesize($this->fileInfo['tmp_name'])) {
$this->error = $this->fileInfo['name'].'不是真实的图片';
return false;
}
}
return true;
}
/**
*检测目录是否存在则创建
*/
protected function uploadPath(){
if(!file_exists($this->uploadPath)){
mkdir($this->uploadPath,0777,true);
}
}
/**
* 产生唯一的名字
* @return string
*/
protected function uniName(){
return md5(uniqid(microtime(true),true));
}
/**
* 上传文件
* @return string
*/
public function uploadFile()
{
if ($this->checkError() && $this->checkSize() && $this->checkHTTPPost() && $this->checkExt() && $this->checkMime() && $this->checkTrueImg()) {
$this->uploadPath();
$this->destination=$this->uploadPath.'/'.$this->uniName().'.'.$this->ext;
if(@move_uploaded_file($this->fileInfo['tmp_name'],$this->destination)){
// return $this->fileInfo['name'].$this->destination.'上传成功';
return $this->fileInfo['name'].'上传成功';
}else{
$this->error=$this->fileInfo['name'].'文件移动失败';
return $this->error;
}
} else {
return $this->error;
}
}
}
upload.php : 上传文件所使用的 php文件
<?php
/**
* Created in upload.
* FileName: upload1.php
* User: fanfan
* Date: 2015/7/30
* Time: 22:39
*/
?>
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>upload index</title>
<link rel="stylesheet" href="bootstrap.css">
</head>
<body>
<div class="container">
<div class="row">
<form action="doAction.php" class="form" method="post" enctype="multipart/form-data">
<div class="group">
<label for="file">请上传文件</label>
<input type="file" name="file[]" id="file">
<input type="file" name="file[]" id="file">
<!-- <input type="file" name="file" id="file">-->
<!-- <input type="file" name="file" id="file" accept="image/png,image/jpg">-->
<!-- <input type="hidden" name="MAX_FILE_SIZE" value="4000">-->
</div>
<button type="submit" class="btn btn-default">提交</button>
</form>
</div>
</div>
</body>
</html>
doAction.php 执行upload.php 所上传的文件
<?php
/**
* Created in upload.
* FileName: doAction.php
* User: fanfan
* Date: 2015/7/30
* Time: 22:39
*/
header('content-type:text/html;charset=utf-8');
require_once 'upload.class1.php';
$getFiles= new upload();
$files=$getFiles->getFiles();
//每上传一个文件使用一次类和方法,感觉有点问题,请看到代码的同学给我指点指点
foreach($files as $fileInfo){
$upload= new upload($fileInfo);
echo '<hr />';
print_r($upload);
$dest=$upload->uploadFile();
echo $dest;
echo '<hr />';
}