php上传文件

	

	
	
		
	

文件大小不能超过2M";
		}
	}
?>

 2*1024*1024){
		echo "文件过大,不能上传超过2M的文件
";
		echo "返回重新上传";
		exit();
	}
	
	$file_type = $_FILES['myfile']['type'];
	
	if($file_type != "image/jpg" && $file_type != "image/pjpeg"){
		echo "文件类型只能是jpg的";
		exit();
	}
	
// 	echo "
";
// 	print_r($_FILES);
// 	echo "
";
	
	if(is_uploaded_file($_FILES['myfile']['tmp_name'])){
		//把文件转存到你希望的目录;
		$upLoaded_file = $_FILES['myfile']['tmp_name'];
		
		$fileName = $_FILES['myfile']['name'];

		//给每个用户动态的创建一个文件夹
		$user_path = $_SERVER['DOCUMENT_ROOT']."/fileOpt/upLoadFiles/".$username;
		if(!file_exists($user_path)){
			mkdir($user_path);
		}
		
		//$destPath = $user_path."/".$fileName;
		$destPath = $user_path."/".(time().rand(0,1000)).substr($fileName,strrpos($fileName, "."));
		
		//如果目标文件存在，则被覆盖
		if(move_uploaded_file($upLoaded_file,$destPath)){
			echo  $_FILES['myfile']['name']." 上传成功！";
		}else{
			echo "上传失败！
";
			echo "返回重新上传";
		}
	}else{
			echo "上传失败！
";
			echo "返回重新上传";
	}
	
?>

以上就介绍了php 上传文件，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。