php_study
/
article_modify.php

<?php
/**
* TestGuest Version1.0
* ================================================
* Copy 2019-2021 ljcollege
* Web: http://www.ljcollege.com
* ================================================
* Author: Luo
* Date: 2020-8-11
*/
session_start();
//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','article_modify');
//引入公共文件
require dirname(__FILE__).'/includes/common.inc.php';
//登陆后才可以发帖
if (!isset($_COOKIE['username'])) {
	_location('发帖前，必须登录','login.php');
}
//修改,还需要判断一下权限
if ($_GET['action'] == 'modify') {
	_check_code($_POST['code'],$_SESSION['code']); //验证码判断
	if (!!$_rows = _fetch_array("SELECT
																tg_uniqid
													FROM
																tg_user
												 WHERE
																tg_username='{$_COOKIE['username']}'
													 LIMIT
																1"
		)) {
		_uniqid($_rows['tg_uniqid'],$_COOKIE['uniqid']);

		//开始修改
		include ROOT_PATH.'includes/check.func.php';
		$_clean = array();
		$_clean['id'] = $_POST['id'];
		$_clean['type'] = $_POST['type'];
		$_clean['title'] = _check_post_title($_POST['title'],2,40);
		$_clean['content'] = _check_post_content($_POST['content'],10);
		$_clean = _mysql_string($_clean);

		//执行SQL
		_query("UPDATE tg_article SET
																tg_type='{$_clean['type']}',
																tg_title='{$_clean['title']}',
																tg_content='{$_clean['content']}',
																tg_last_modify_date=NOW()
													WHERE
																tg_id='{$_clean['id']}'
		");
		if (_affected_rows() == 1) {
			_close();
			//_session_destroy();
			_location('帖子修改成功！','article.php?id='.$_clean['id']);
		} else {
			_close();
			//_session_destroy();
			_alert_back('帖子修改失败！');
		}
	} else {
		_alert_back('非法登录！');
	}
}
//读取数据
if (isset($_GET['id'])) {
		if (!!$_rows = _fetch_array("SELECT
																	tg_username,
																	tg_title,
																	tg_type,
																	tg_content
													  FROM
																	tg_article
													WHERE
																	tg_reid=0
															AND
																	tg_id='{$_GET['id']}'")) {
			$_html = array();
			$_html['id'] = $_GET['id'];
			$_html['username'] = $_rows['tg_username'];
			$_html['title'] = $_rows['tg_title'];
			$_html['type'] = $_rows['tg_type'];
			$_html['content'] = $_rows['tg_content'];
			$_html = _html($_html);

			//判断权限
			if (!$_SESSION['admin']) {
				if ($_COOKIE['username'] != $_html['username']) {
					_alert_back('你没有权限修改！');
				}
			}

		} else {
			_alert_back('不存在此帖子！');
		}
} else {
	_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';
?>
<script type="text/javascript" src="js/code.js"></script>
<script type="text/javascript" src="js/post.js"></script>
</head>
<body>
<?php
	require ROOT_PATH.'includes/header.inc.php';
?>

<div id="post">
	<h2>修改帖子</h2>
	<form method="post" name="post" action="?action=modify">
		<input type="hidden" value="<?php echo $_html['id']?>" name="id" />
		<dl>
			<dt>请认真修改以下内容</dt>
			<dd>
				类　　型：
				<?php
					foreach (range(1,16) as $_num) {
						if ($_num == $_html['type']) {
							echo '<label for="type'.$_num.'"><input type="radio" id="type'.$_num.'" name="type" value="'.$_num.'" checked="checked" /> ';
						} else {
							echo '<label for="type'.$_num.'"><input type="radio" id="type'.$_num.'" name="type" value="'.$_num.'" /> ';
						}
						echo ' <img src="images/icon'.$_num.'.gif" alt="类型" /></label>';
						if ($_num == 8) {
							echo '<br />　　　 　　';
						}
					}
				?>
			</dd>
			<dd>标　　题：<input type="text" name="title" value="<?php echo $_html['title']?>" class="text" /> (*必填，2-40位)</dd>
			<dd id="q">贴　　图：　<a href="javascript:;">Q图系列[1]</a>　 <a href="javascript:;">Q图系列[2]</a>　 <a href="javascript:;">Q图系列[3]</a></dd>
			<dd>
				<?php include ROOT_PATH.'includes/ubb.inc.php'?>
				<textarea name="content" rows="9"><?php echo $_html['content']?></textarea>
			</dd>
			<dd>验 证 码：<input type="text" name="code" class="text yzm"  /> <img src="code.php" id="code" onclick="javascript:this.src='code.php?tm='+Math.random();" /> <input type="submit" class="submit" value="修改帖子" /></dd>
		</dl>
	</form>
</div>

<?php
	require ROOT_PATH.'includes/footer.inc.php';
?>
</body>
</html>