就是这一句：<input type="text" id="up_txt" class="Txt" value="请输入你的QQ账号或Email">
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>QQ拖拽效果</title>
</head>
<link rel="stylesheet" type="text/css" href="css/main.css">
<!-- <script type="text/javascript" src="js/script.js"></script> -->
<body>
<section id="main">
<section id="bg_close"></section>
<section id="bg_login_up"></section>
<section id="up">
<span id="up_txt">账号</span>
<input type="text" id="up_txt" value="请输入你的QQ账号或Email">
</section>
<section id="down">
<span id="down_txt">密码</span>
<input type="text" id="txt2" value="请输入你的密码">
</section>
<section id="bg_login_down"></section>
<section id="state">
<section id="state_img"></section>
<section id="state_img1"></section>
<span id="state_txt">我在线上</span>
<ul id="list">
<li id="online">
<div id="online_img"></div>
<span id="online_txt">我在线上</span>
</li>
<li id="talk">
<div id="talk_img"></div>
<span id="talk_txt">Q我吧</span>
</li>
<li id="away">
<div id="away_img"></div>
<span id="away_txt">离开</span>
</li>
<li id="busy">
<div id="busy_img"></div>
<span id="busy_txt">忙碌</span>
</li>
<li id="noplay">
<div id="noplay_img"></div>
<span id="noplay_txt">请勿打扰</span>
</li>
<li id="nosee">
<div id="nosee_img"></div>
<span id="nosee_txt">隐身</span>
</li>
</ul>
</section>
</section>
</body>
</html>
就是这样
这不是显示了吗