如何让页脚始终在底部

Question

我正在制作一个网站，我试图让页脚始终位于底部。我希望页脚始终位于浏览器 window 的底部，但如果内容足够长，它会将页脚推到看不见的底部。现在，页脚始终紧跟在其上方的内容之后。

我试过设置display: flex, flex-direction, align-items: flex-end, margin-bottom: 0px，但没用。我也在努力避免设置固定高度。

相关代码

Footer.js

<footer className='footer'>
    <div className='icons'>
        <span><a href='/'><img src={LinkedIn} alt='LinkedIn'/></a></span>
        <span><a href='/'><img src={Mail} alt='Email' /></a></span>
        <span><a href='/'><img src={Resume} alt='Resume' /></a></span>
    </div>
    <div>
        <span className='footer-link'><a href='/'>Home</a></span>
        <span className='footer-link'><a href='/about'>About</a></span>
        <span className='footer-link'><a href='/blog'>Blog</a></span>
        <span className='footer-link'><a href='/contact'>Contact</a></span>
    </div>
    <div className='footer-copyright'>2020 Daniel Zhang. This site was made by Daniel Zhang from scratch with React.</div>
</footer>

.footer {
    align-items: center;
    border-top: 1px solid grey;
    border-width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    font-size: 12px;
    margin: 0px auto;
    padding: 10px 0px;
    text-align: center;
}

.icons img {
    display: inline-block;
    padding: 10px;
    width: 25px;
}

.footer-link {
    padding: 0px 5px;
}

.footer-link a {
    color: grey;
    text-decoration: none;
}

.footer-link a:hover {
    color: black;
    text-decoration: none;
}

.footer-copyright {
    padding: 5px 0px;
}

App.js

<NavBar />
<Router>
  <Switch>
    <Route exact path='/' render={() => <Home />} />
    <Route exact path='/about' render={() => <About />} />
    <Route exact path='/blog' render={() => <Blog />} />
    <Route exact path='/contact' render={() => <Contact />} />
    {/* Adds page not found. */}
    <Route render={() => <Home />} />
  </Switch>
</Router>
<Footer />

App.css

* {
    font-family: 'Lato', sans-serif;
}

html, body {
    height: 100%;
    margin: 0px;
}

body {
    display: flex;
    flex-direction: column;
}

.container {
    flex: 1 0 auto;
    margin: 0px auto;
    width: 65%;
}

Answer 1

您可以利用 bootstrap 并使用下面的 class。

<div className="fixed-bottom">

Answer 2

你可以使用属性位置：固定；

body {
  min-height: 100vh;
}
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
}

Answer 3

请尝试此代码。

body{
padding-bottom:50px; //same to the height of footer to avoid overlapping with fixed element
}

.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height:50px; //set height as per your requirement
    z-index:10;
    overflow:hidden;
}

Answer 4

尝试flex-direction: column;。

document.getElementById('add').addEventListener('click', e => {
  document.getElementById('content').innerHTML += '<br />content<br />content<br />content';
});

html,
body {
  margin: 0;
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
}

.content {
  flex: 1 0 auto;
}

.footer {
  background: #999;
  flex-shrink: 0;
}

<body>
  <div class="content">
    <button id="add">Add Content</button>
    <p id="content">content</p>
  </div>
  <footer class="footer">footer</footer>
</body>

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