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v1.2

php_study
/
friend.php

<?php
/**
* TestGuest Version1.0
* ================================================
* Copy 2019-2021 ljcollege
* Web: http://www.ljcollege.com
* ================================================
* Author: Luo
* Date: 2020-9-8
*/
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','friend');
//引入公共文件
require dirname(__FILE__).'/includes/common.inc.php';
//判断是否登录了
if (!isset($_COOKIE['username'])) {
	_alert_close('请先登录！');
}
//添加好友
if ($_GET['action'] == 'add') {
	_check_code($_POST['code'],$_SESSION['code']);
	if (!!$_rows = _fetch_array("SELECT
																tg_uniqid
												 FROM
																tg_user
											   WHERE
																tg_username='{$_COOKIE['username']}'
												   LIMIT
																1
	")) {
		_uniqid($_rows['tg_uniqid'],$_COOKIE['uniqid']);
	}
	include ROOT_PATH.'includes/check.func.php';
	$_clean = array();
	$_clean['touser'] = $_POST['touser'];
	$_clean['fromuser'] = $_COOKIE['username'];
	$_clean['content'] = _check_content($_POST['content']);
	$_clean = _mysql_string($_clean);
	//不能添加自己
	if ($_clean['touser'] == $_clean['fromuser']) {
		_alert_close('请不要添加自己！');
	}
	//数据库验证好友是否已经添加
	if (!!$_rows = _fetch_array("SELECT
																	tg_id
													  FROM
													  				tg_friend
													WHERE
																	(tg_touser='{$_clean['touser']}' AND tg_fromuser='{$_clean['fromuser']}')
															OR
																	(tg_touser='{$_clean['fromuser']}' AND tg_fromuser='{$_clean['touser']}')
														LIMIT
																	1
	")) {
		_alert_close('你们已经是好友了！或者是未验证的好友！无需添加！');
	} else {
		//添加好友信息
		_query("INSERT INTO tg_friend (
																tg_touser,
																tg_fromuser,
																tg_content,
																tg_date
															 )
											 VALUES (
											 					'{$_clean['touser']}',
											 					'{$_clean['fromuser']}',
											 					'{$_clean['content']}',
											 					NOW()
											 				)
		");
		if (_affected_rows() == 1) {
			_close();
			//_session_destroy();
			_alert_close('好友添加成功！请等待验证！');
		} else {
			_close();
			//_session_destroy();
			_alert_back('好友添加失败！');
		}
	}
}
//获取数据
if (isset($_GET['id'])) {
	if (!!$_rows = _fetch_array("SELECT
																	tg_username
													  FROM
																	tg_user
													WHERE
																	tg_id='{$_GET['id']}'
														LIMIT
																	1
	")) {
		$_html = array();
		$_html['touser'] = $_rows['tg_username'];
		$_html = _html($_html);
	} else {
		_alert_close('不存在此用户！');
	}
} else {
	_alert_close('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/message.js"></script>
</head>
<body>


<div id="message">
	<h3>添加好友</h3>
	<form method="post" action="?action=add">
	<input type="hidden" name="touser" value="<?php echo $_html['touser']?>" />
	<dl>
		<dd><input type="text" readonly="readonly" value="TO:<?php echo $_html['touser']?>" class="text" /></dd>
		<dd><textarea name="content">我非常想和你交朋友！</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="添加好友" /></dd>
	</dl>
	</form>
</div>


</body>
</html>