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PHPz批改状态：合格
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<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title></head><body><form action="userUpload.php" method="post" enctype="multipart/form-data">单文件上传<input type="file" name="pic" id=""><input type="submit" value="上传"></form><form action="userUpload.php" method="post" enctype="multipart/form-data">多文件上传<input type="file" name="pic[]" multiple id=""><input type="submit" value="上传"></form></body></html>
<?php// 文件上传类/*** 1 判断上传过程中是否有错误* 2 验证上传文件的类型是否符合要求* 3 验证上传文件的大小是否符合要求* 4 判断上传路径和上传成功后要保存的文件名新名称* 5 将图片从垃圾目录中移除* 注意：* 如果是单文件上传$_FILES['表单名称']则是一个一维数组* 如果是多文件上传$_FILES['表单名称']则是一个二维数组，数组中name对应着每个上传文件的名称*/class Upload{//成员属性//将是检测上传过程的数组变量public $file;public $pic;public $path;public $size;public $type;public $newImg;public $pathInfo = array();//成员方法//构造方法 初始化成员属性值function __construct($pic,$path='./upload',$size = 5000000,array $type = array('image/jpeg','image/jpg','image/gif','image/png')){//初始化赋值$this->pic = $pic;$this->file= $_FILES[$pic];$this->path= $path;$this->size =$size;$this->type = $type;}//需要一个方法可以在外部调用进行上传文件操作public function do_upload($mutiple = false){if($mutiple === false){//用户使用单文件上传方式return $this->myExec();}else{$return = [];//用户使用多文件上传方式foreach($_FILES[$this->pic]['name'] as $k=>$v){$this->file['name'] = $v;$this->file['type'] = $_FILES[$this->pic]['type'][$k];$this->file['error'] = $_FILES[$this->pic]['error'][$k];$this->file['tmp_name'] = $_FILES[$this->pic]['tmp_name'][$k];$this->file['size'] = $_FILES[$this->pic]['size'][$k];$return[]= $this->myExec();}return $return;}}//6 制作一个方法将文件上传的过程调用执行private function myExec(){//需要将文件上传的5步都执行一次判断是否成功if($this->fileError() !==true){return $this->fileError();}elseif($this->patternType() !== true){return $this->patterType();}elseif($this->patternSize() !== true){return $this->patternSize();}elseif($this->reNameImage() !== true){return $this->reNameImage();}elseif($this->moveImg() !== true){return $this->moveImg();}else{return $this->moveImg();}}// 1 判断上传过程中是否有错误private function fileError(){//错误判断if($this->file['error']){switch($this->file['error']>0){case 1:return '超出PHP.INI 配置文件中的upload_max_filesize设置的值';case 2:return '超过了HTML表单中设置的max_file_size的值';case 3:return '只有部分文件被上传';case 4:return '没有文件上传';case 6:return '找不到临时目录';case 7:return '写入失败';}}return true;}//2 验证上传文件的类型是否符合要求private function patternType(){if(!in_array($this->file['type'],$this->type)){return '类型不合法';}return true;}// 3 验证上传文件的大小是否符合要求private function patternSize(){if($this->file['size']>$this->size){return '上传文件大小超过了预设的'.$this->size.'byte大小';}return true;}// 4 判断上传路径和上传成功后要保存的文件名新名称private function reNameImage(){//创建保存目录，可能会遇到upload/pic/nihao/if(!file_exists($this->path)){mkdir($this->path,0777,true);}//获取图片后缀名$suffix = strrchr($this->file['name'],'.');//判断名称是否重复do{//制作新名称$this->newImg = md5(time().mt_rand(1,1000).uniqid()).$suffix;}while(file_exists($this->path.$this->newImg));return true;}// 5 将图片从垃圾目录中移除private function moveImg(){if(move_uploaded_file($this->file['tmp_name'],$this->path.$this->newImg)){$this->pathInfo['pathInfo']= $this->path.$this->newImg;$this->pathInfo['name']= $this->newImg;$this->pathInfo['path'] = $this->path;return $this->pathInfo;}else{return '未知错误，请重新上传';}}}?>
<?php//包含上传类，创建上传文件对象echo '<pre>';var_dump($_FILES);include './upload.php';$upload = new Upload('pic');$res=$upload->do_upload(true);var_dump($res);
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