upload_file(); } class Upload { /*作者:mckee 来自:www.phpddt.com*/ public $upload_name; //上传文件名 public $upload_tmp_name; //上传临时文件名 public $upload_final_name; //上传文件的最终文件名 public $upload_target_dir; //文件被上传到的目标目录 public $upload_target_path; //文件被上传到的最终路径 public $upload_filetype ; //上传文件类型 public $allow_uploadedfile_type; //允许的上传文件类型 public $upload_file_size; //上传文件的大小 public $allow_uploaded_maxsize=10000000; //允许上传文件的最大值 //构造函数 public function __construct() { $this->upload_name = $_FILES["file"]["name"]; //取得上传文件名 $this->upload_filetype = $_FILES["file"]["type"]; $this->upload_tmp_name = $_FILES["file"]["tmp_name"]; $this->allow_uploadedfile_type = array('jpeg','jpg','png','gif','bmp','doc','zip','rar','txt','wps'); $this->upload_file_size = $_FILES["file"]["size"]; //定义上传路径,现在的上传和upload.php在同级 $this->upload_target_dir="./"; } //文件上传 public function upload_file() { $upload_filetype = $this->getFileExt($this->upload_name); //对上传文件类型的限制,改成if(1)则没有限制 if(1) //in_array($upload_filetype,$this->allow_uploadedfile_type)) { if($this->upload_file_size < $this->allow_uploaded_maxsize) { if(!is_dir($this->upload_target_dir)) { mkdir($this->upload_target_dir); chmod($this->upload_target_dir,0777); } //定义服务器存储时的文件名(默认和上传的原始文件同名) $this->upload_final_name = $this->upload_name; //date("YmdHis").rand(0,100).'.'.$upload_filetype; $this->upload_target_path = $this->upload_target_dir."/".$this->upload_final_name; if(!move_uploaded_file($this->upload_tmp_name,$this->upload_target_path)) echo "文件上传失败!"; else echo "文件上传成功!"; } else { echo("文件太大,上传失败!"); } } else { echo("不支持此文件类型,请重新选择"); } } /** *获取文件扩展名 *@param String $filename 要获取文件名的文件 */ public function getFileExt($filename){ $info = pathinfo($filename); return $info["extension"]; } } ?>