php面向对象式多文件上传

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 ($this->imgFlag) {
            if ([email protected]($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 />‘;
}