php封装图片上传类

来源：互联网发布：深圳unity3d培训编辑：程序博客网时间：2024/05/19 20:22

PHP中的类和对象十分有用，今天就来分享一下用PHP的封装的图片上传的类，妈妈再也不担心我上传图片了。哄哄

---------------》废话不多说，直接走代码《-------------------

<?phpheader('content-type:text/html;charset=utf-8');class UpImg{public $arrimg;//上传文件用到的数组。function __construct($ai){$this->arrimg=$ai;}function checktype(){//上传文件类型判断$extname=end(explode(".",$this->arrimg['name']));//取出上传文件的扩展名$brr=array("jpg","gif","png","jpeg");if(in_array($extname,$brr)){return $extname;}else{echo "上传文件类型错误，请修改正后上传。";exit;}}function checksize(){if($this->arrimg['size']>2000000){echo "文件太大，请调整后再上传。";exit;}}function createdir(){$filepath="upload/";if(!is_dir($filepath)){//目录不存在就创建它mkdir($filepath);}$filepath=$filepath.date("Ymd")."/";if(!is_dir($filepath)){mkdir($filepath);}$filename=$filepath.uniqid("is_ref_",true).".".$extname;return $filename;}function uploadimg(){if($this->arrimg['error']==0){$extname=$this->checktype();//判断类型$this->checksize();//判断大小$filename=$this->createdir();move_uploaded_file($this->arrimg["tmp_name"],$filename);return $filename;}else{echo "文件上传失败。";}}}?>

2 0