使用 Html、CSS 和 jquery 以及一些插件在滑动登录面板上工作。
如您所见，该栏在激活时会向下推动内容（单击右上角的登录）。如果您在第一个屏幕上，那就太好了。但是，如果您在第二个屏幕上然后尝试按登录，则该栏不存在。
我在概念上很难在这里做什么，以便登录按钮像菜单的其余部分一样固定在顶部，但无论您在页面上的哪个位置，仍然会将内容向下推。
HTML
<!-- Panel -->
<div id="toppanel">
<div id="panel">
<div class="content clearfix">
<div class="left">
<!-- Login Form -->
<form class="clearfix" action="#" method="post">
<h1>Sign In</h1>
<label class="grey" for="log">Username:</label>
<input class="field" type="text" name="log" id="log" value="" size="23" />
<label class="grey" for="pwd">Password:</label>
<input class="field" type="password" name="pwd" id="pwd" size="23" />
<label><input name="rememberme" id="rememberme" type="checkbox" checked="checked" value="forever" /> Remember me</label>
<div class="clear"></div>
<input type="submit" name="submit" value="Login" class="bt_login" />
<a class="lost-pwd" href="#">Lost your password?</a>
</form>
</div>
<div class="left right">
<!-- Register Form -->
<form action="#" method="post">
<h1>Not a member yet? Sign Up!</h1>
<label class="grey" for="signup">Username:</label>
<input class="field" type="text" name="signup" id="signup" value="" size="23" />
<label class="grey" for="email">Email:</label>
<input class="field" type="text" name="email" id="email" size="23" />
<label>A password will be e-mailed to you.</label>
<input type="submit" name="submit" value="Register" class="bt_register" />
</form>
</div>
</div>
</div> <!-- /login -->
<!-- The tab on top -->
<div class="tab">
<ul class="login">
<li class="left"> </li>
<li id="toggle">
<a id="open" class="open" href="#?signin">Log In | Register</a>
<a id="close" style="display: none;" class="close" href="#">Close Panel</a>
</li>
<li class="right"> </li>
</ul>
</div> <!-- / top -->
</div> <!--panel -->
CSS
/* sliding panel */
#toppanel {
position: relative; /*Panel will overlap content */
/*position: relative;*/ /*Panel will "push" the content down */
top: 0;
width: 100%;
z-index: 999;
text-align: center;
margin-left: auto;
margin-right: auto;
}
Javascript
$(document).ready(function() {
// Expand Panel
$("#open").click(function(){
$("div#panel").slideDown("slow");
});
// Collapse Panel
$("#close").click(function(){
$("div#panel").slideUp("slow");
});
// Switch buttons from "Log In | Register" to "Close Panel" on click
$("#toggle a").click(function () {
$("#toggle a").toggle();
});
});