通过 w3 学校,我能够制作此幻灯片并添加它并使其在我的网页上运行。除了按钮的位置外,一切都运行顺利。目前它们在自己的 div 中,但我希望它们位于底部中心的图像顶部。到目前为止,我已经尝试删除 div 并调整位置,但这对我不起作用。下面是代码,这里是一个Codepen。实际的幻灯片在示例中可能不起作用(现在只是在输入代码段时发现这一点),但我只是在寻找如何定位<span class="dot"图像顶部的 3 个点提前致谢!var slideIndex = 1;showSlides(slideIndex);function plusSlides(n) { showSlides(slideIndex += n);}function currentSlide(n) { showSlides(slideIndex = n);}function showSlides(n) { var i; var slides = document.getElementsByClassName("mySlides"); var dots = document.getElementsByClassName("dot"); if (n > slides.length) {slideIndex = 1} if (n < 1) {slideIndex = slides.length} for (i = 0; i < slides.length; i++) { slides[i].style.display = "none"; } for (i = 0; i < dots.length; i++) { dots[i].className = dots[i].className.replace(" active", ""); } slides[slideIndex-1].style.display = "block"; dots[slideIndex-1].className += " active";}/* SLIDESHOW */#slideshow { height: 400px; width: 100%; position: relative; margin: auto; overflow: hidden;}#slideshow img { height: 400px; width: 100%;}/* Next & previous buttons */.prev, .next { cursor: pointer; position: absolute; top: 50%; width: auto; padding: 16px; margin-top: -22px; color: white; font-weight: bold; font-size: 18px; transition: 0.4s ease; border-radius: 0 3px 3px 0; user-select: none;}/* Position the "next button" to the right */.next { right: 0; border-radius: 3px 0 0 3px;}/* On hover, add a black background color with a little bit see-through */.prev:hover, .next:hover { background-color: rgba(0,0,0,0.8);}/* The dots/bullets/indicators */.dot { cursor: pointer; height: 15px; width: 15px; margin: 0 2px; background-color: #bbb; border-radius: 50%; display: inline-block; transition: background-color 0.6s ease;}.active, .dot:hover { background-color: #717171;}.fade { -webkit-animation-name: fade; -webkit-animation-duration: 1.5s; animation-name: fade; animation-duration: 1.5s;}
1 回答
倚天杖
TA贡献1828条经验 获得超3个赞
将点放在#slideshow div 的底部,并带有一个类名为“dots”的父 div。然后将此css添加到“点”div。
.dots {
width: 100px;
position: absolute;
bottom: 0;
left: 50%;
margin-left: -50px;
}
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