在使用css滚动的时候，在顶部设置一个导航条

I am trying to make my nav bar move with the page but stick to the top if the user scrolls down. Could anyone provide any examples or how to? Much appreciated. (I'm hopeless in any other language). I tried using the css sticky but it didn't work.

我试着让我的导航条与页面移动，但如果用户向下滚动，我将坚持到顶部。有人能举些例子吗?感谢。(我对其他任何语言都没有希望)。我试过使用css sticky，但是它并不好用。

<div class="headercss">
    <div class="headerlogo"></div>
    <div class="nav">
        <ul>
            <li><a href="#home"> <br>BLINK</a></li>
            <li><a href="#news"><br>ADVERTISING WITH BLINK</a></li>
            <li><a href="#contact"><br>EDUCATING WITH BLINK</a></li>
            <li><a href="#about"><br>ABOUT US</a></li>
        </ul>
    </div>
</div>

 

 

/* www..com
Blinx Service
Created by Pierre Chedraoui
(c) Copyright 2015
*/

/* BODY */

body {
    margin: 0px;
    background-color: #000000;
    height: 2000px;
}


/* 1. HEADER */

.headercss {
    width: auto;
    height: 320px;
    background-color: #000000;
    position: relative;
}

.headerlogo {
    width: auto;
    height: 250px;
    background-color: #272727;
    position: relative;
}

.nav {
    width: auto;
    height: 70px;
    background-color: #272727;
    position: relative;
    overflow: hidden;
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    float:left;
    width:100%;
    overflow: hidden;
}


li {
    float: left;
    width:25%;
    min-width: 243px;
    overflow: hidden;
}

a:link, a:visited {
    display: block;
    height: 68px;
    min-width: 243px;
    font-size: 12px;
    color: #FFFFFF;
    border-right: 1px solid #000000;
    border-top: 1px solid #000000;
    background-color: #272727;
    text-align: center;
    text-decoration: none;
    font-family: 'Raleway', Arial;
    letter-spacing: 2pt;
    line-height: 200%;
    overflow: hidden;
}

a:hover, a:active {
    background-color: #242424;
}

11 个解决方案

#1

$(document).ready(function() {
  
  $(window).scroll(function () {
      //if you hard code, then use console
      //.log to determine when you want the 
      //nav bar to stick.  
      console.log($(window).scrollTop())
    if ($(window).scrollTop() > 280) {
      $('#nav_bar').addClass('navbar-fixed');
    }
    if ($(window).scrollTop() < 281) {
      $('#nav_bar').removeClass('navbar-fixed');
    }
  });
});

html, body {
	height: 4000px;
}

.navbar-fixed {
    top: 0;
    z-index: 100;
  position: fixed;
    width: 100%;
}

#body_div {
	top: 0;
	position: relative;
    height: 200px;
    background-color: green;
}

#banner {
	width: 100%;
	height: 273px;
    background-color: gray;
	overflow: hidden;
}

#nav_bar {
	border: 0;
	background-color: #202020;
	border-radius: 0px;
	margin-bottom: 0;
    height: 30px;
}

.nav_links {
    margin: 0;
}

.nav_links li {
	display: inline-block;
    margin-top: 4px;
}
.nav_links li a {
	padding: 0 15.5px;
	color: #3498db;
	text-decoration: none;
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="banner">
     <h2>put what you want here</h2>
     <p>just adjust javascript size to match this window</p>
  </div>

  <nav id='nav_bar'>
    <ul class='nav_links'>
      <li><a href="url">Nav Bar</a></li>
      <li><a href="url">Sign In</a></li>
      <li><a href="url">Blog</a></li>
      <li><a href="url">About</a></li>
    </ul>
  </nav>
<div id='body_div'>
    <p style='margin: 0; padding-top: 50px;'>and more stuff to continue scrolling here</p>
</div>

#2

add to your .nav css block the

添加到你的。nav css块

position: fixed

and it will work

它会工作

#3

I hope this can help someone. Determine the nav offset through js and then apply sticky position css to nav:

我希望这能帮助到一个人。通过js确定导航偏移量，然后将粘贴位置css应用到nav:

But first, we will define the styles in the stylesheet, like so.

但是首先，我们将在样式表中定义样式，如下所示。

.sticky {
    position: fixed;
    width: 100%;
    left: 0;
    top: 0;
    z-index: 100;
    border-top: 0;
}

Then, we will apply that class to the navigation conditionally with jQuery.

然后，我们将用jQuery有条件地应用该类到导航。

$(document).ready(function() {
  var stickyNavTop = $('.nav').offset().top;

  var stickyNav = function(){
    var scrollTop = $(window).scrollTop();

    if (scrollTop > stickyNavTop) { 
      $('.nav').addClass('sticky');
    } else {
      $('.nav').removeClass('sticky'); 
    }
  };

  stickyNav();

  $(window).scroll(function() {
    stickyNav();
  });
});

#4

CSS:

CSS:

.headercss {
    width: 100%;
    height: 320px;
    background-color: #000000;
    position: fixed;
}

Attribute position: fixed will keep it stuck, while other content will be scrollable. Don't forget to set width:100% to make it fill fully to the right.

属性位置:固定不变，其他内容可滚动。不要忘记设置宽度:100%使它完全向右填充。

Example

例子

#5

Give headercss position fixed.

给headercss位置固定。

.headercss {
    width: 100%;
    height: 320px;
    background-color: #000000;
    position: fixed;
    top:0
}

Then give the content container a 320px padding-top, so it doesn't get behind the header.

然后给内容容器一个320px的页眉，这样它就不会出现在页眉后面。

#6

Just use z-index CSS property as described in the highest liked answer and the nav bar will stick to the top.

只需使用z-index CSS属性，就像在最喜欢的答案中描述的那样，导航条就会粘在顶部。

Example:

例子:

<div class="navigation">
 <nav>
   <ul>
    <li>Home</li>
    <li>Contact</li>
   </ul>
 </nav>

.navigation {
   /* fixed keyword is fine too */
   position: sticky;
   top: 0;
   z-index: 100;
   /* z-index works pretty much like a layer:
   the higher the z-index value, the greater
   it will allow the navigation tag to stay on top
   of other tags */
}

#7

You can do it with CSS only by creating your menu twice. It's not ideal but it gives you the opportunity have a different design for the menu once it's on top and you'll have nothing else than CSS, no jquery. Here is an example with DIV (you can of course change it to NAV if you prefer):

您只能通过创建两次菜单来使用CSS。它并不理想，但它给了你一个机会，让你有一个不同的设计，一旦它在顶部，你将除了CSS，没有jquery。这里有一个DIV的例子(如果你喜欢的话，当然可以把它改成NAV):

<div id="hiddenmenu">
 THIS IS MY HIDDEN MENU
</div>
<div id="header">
 Here is my header with a lot of text and my main menu
</div>
<div id="body">
 MY BODY
</div>

And then have the following CSS:

然后有以下CSS:

#hiddenmenu {
position: fixed;
top: 0;
z-index:1;
 }
#header {
top: 0;
position:absolute;
z-index:2;
 }
#body {
padding-top: 80px;
position:absolute;
z-index: auto;
 }

Here is a fiddle for you to see: https://jsfiddle.net/brghtk4z/1/

这里有一个小提琴给你看:https://jsfiddle.net/brghtk4z/1/

#8

/* Add css in your style */


.sticky-header {
    position: fixed;
    width: 100%;
    left: 0;
    top: 0;
    z-index: 100;
    border-top: 0;
    transition: 0.3s;
}


/* and use this javascript code: */

$(document).ready(function() {

  $(window).scroll(function () {
    if ($(window).scrollTop() > ) {
      $('.headercss').addClass('sticky-header');
    } else{
      $('.headercss').removeClass('sticky-header');
    }
  });
});

#9

I would recommend to use Bootstrap. http://getbootstrap.com/. This approach is very straight-forward and light weight.

我建议使用Bootstrap。http://getbootstrap.com/。这种方法非常直接，重量很轻。

<div class="navbar navbar-inverse navbar-fixed-top">
   <div class="container">
      <div class="navbar-collapse collapse">
         <ul class="nav navbar-nav navbar-fixed-top">
            <li><a href="#home"> <br>BLINK</a></li>
                <li><a href="#news"><br>ADVERTISING WITH BLINK</a></li>
                <li><a href="#contact"><br>EDUCATING WITH BLINK</a></li>
                <li><a href="#about"><br>ABOUT US</a></li>
            </ul>
        </div>
    </div>
</div>

You need to include the Bootstrap into your project, which will include the necessary scripts and styles. Then just call the class 'navbar-fixed-top'. This will do the trick. See above example

您需要将引导程序包含到您的项目中，这将包括必要的脚本和样式。然后就叫这个类为“navbar-fixed-top”。这就行了。看到上面的例子

#10

Just Call this code and call it to your nave bar for sticky navbar

只需调用此代码，并将其调用到您的nave bar以获取粘性navbar

  .sticky {
        /*css for  stickey navbar*/
        position: sticky;
        top: 0; 
        z-index: 100;
    }

#11

To make header sticky, first you have to give position: fixed; for header in css. Then you can adjust width and height etc. I would highly recommand to follow this article. How to create a sticky website header

要使页眉有粘性，首先你必须给出位置:固定;头的css。然后你可以调整宽度和高度等。我强烈推荐你阅读这篇文章。如何创建一个粘性的网站标题

Here is code as well to work around on header to make it sticky.

这里还有一些代码用于处理header，使其具有粘性。

header { 
   position: fixed; 
   right: 0; 
   left: 0; 
   z-index: 999;
}

This code above will go inside your styles.css file.

上面的代码将进入您的样式。css文件。