php_study
/
upimg.php

<?php
/**
* TestGuest Version1.0
* ================================================
* Copy 2019-2021 ljcollege
* Web: http://www.ljcollege.com
* ================================================
* Author: Luo
* Date: 2020-8-12
*/
//定义个常量，用来授权调用includes里面的文件
define('IN_TG',true);
//定义个常量，用来指定本页的内容
define('SCRIPT','upimg');
//引入公共文件
require dirname(__FILE__).'/includes/common.inc.php';
//会员才能进入
if (!$_COOKIE['username']) {
	_alert_back('非法登录！');
}
//执行上传图片功能
if ($_GET['action'] == 'up') {
	if (!!$_rows = _fetch_array("SELECT
																	tg_uniqid
														FROM
																	tg_user
													 WHERE
																	tg_username='{$_COOKIE['username']}'
														 LIMIT
																	1"
	)) {
		_uniqid($_rows['tg_uniqid'],$_COOKIE['uniqid']);
		//设置上传图片的类型
		$_files = array('image/jpeg','image/pjpeg','image/png','image/x-png','image/gif');

		//判断类型是否是数组里的一种
		if (is_array($_files)) {
			if (!in_array($_FILES['userfile']['type'],$_files)) {
				_alert_back('上传图片必须是jpg,png,gif中的一种！');
			}
		}

		//判断文件错误类型
		if ($_FILES['userfile']['error'] > 0) {
			switch ($_FILES['userfile']['error']) {
				case 1: _alert_back('上传文件超过约定值1');
					break;
				case 2: _alert_back('上传文件超过约定值2');
					break;
				case 3: _alert_back('部分文件被上传');
					break;
				case 4: _alert_back('没有任何文件被上传！');
					break;
			}
			exit;
		}

		//判断配置大小
		if ($_FILES['userfile']['size'] > 1000000) {
			_alert_back('上传的文件不得超过1M');
		}

		//获取文件的扩展名 1.jpg
		$_n = explode('.',$_FILES['userfile']['name']);
		$_name = $_POST['dir'].'/'.time().'.'.$_n[1];


		//移动文件
		if (is_uploaded_file($_FILES['userfile']['tmp_name'])) {
			if	(!@move_uploaded_file($_FILES['userfile']['tmp_name'],$_name)) {
				_alert_back('移动失败');
			} else {
				//_alert_close('上传成功！');
				echo "<script>alert('上传成功！');window.opener.document.getElementById('url').value='$_name';window.close();</script>";
				exit();
			}
		} else {
			_alert_back('上传的临时文件不存在！');
		}

	} else {
		_alert_back('非法登录！');
	}
}
//接收dir
if (!isset($_GET['dir'])) {
	_alert_back('非法操作！');
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<?php
	require ROOT_PATH.'includes/title.inc.php';
?>
</head>
<body>

<div id="upimg" style="padding:20px;">
	<form enctype="multipart/form-data" action="upimg.php?action=up" method="post">
		<input type="hidden" name="MAX_FILE_SIZE" value="1000000" />
		<input type="hidden" name="dir" value="<?php echo $_GET['dir']?>" />
		选择图片: <input type="file" name="userfile" />
		<input type="submit" value="上传" />
	</form>
</div>


</body>
</html>