我正在尝试让this lightbox在我的网站上工作,但图片没有以原始尺寸as you can see here显示(点击“Galeria de fotos”)。如何编写以下代码来解决此问题?
function openModal() {
document.getElementById('myModal').style.display = "block";
}
function closeModal() {
document.getElementById('myModal').style.display = "none";
}
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("demo");
var captionText = document.getElementById("caption");
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";
captionText.innerHTML = dots[slideIndex-1].alt;
}
.row > .column {
padding: 0 8px;
}
.row:after {
content: "";
display: table;
clear: both;
}
.column {
float: left;
width: 33.3%;
}
/* The Modal (background) */
.modal {
display: none;
position: fixed;
z-index: 1;
padding-top: 100px;
left: 0;
top: 0;
width: 100%;
height: 100%;
overflow: auto;
background-color: black;
}
/* Modal Content */
.modal-content {
position: relative;
background-color: #fefefe;
margin: auto;
padding: 0;
width: 90%;
max-width: 1200px;
}
<div role="tabpanel" class="tab-pane" id="messages">
<div class="trip-tab-gallery">
<ul>
<div class="column">
<li><img src="images/tab-gallery-img-1.jpg" onclick="openModalhttps://s30.postimg.org/rxspwis5p/tab_gallery_img_1.jpgover-shadow">
</li>
</div>
<div class="column">
<li><img src="]https://s30.postimg.org/5n4uwjuvh/tab_gallery_img_2.jpg" onclick="openModal();currentSlide(2)" class="hover-shadow">
</li>
</div>
<div class="column">
<li><img src="https://s30.postimg.org/h0vzlhurx/tab_gallery_img_3.jpg" onclick="openModal();currentSlide(3)" class="hover-shadow">
</li>
</div>
<div class="column">
<li><img src="https://s30.postimg.org/eku67ncp9/tab_gallery_img_4.jpg" onclick="openModal();currentSlide(4)" class="hover-shadow">
</li>
</div>
</ul>
<div id="myModal" class="modal">
<span class="close cursor" onclick="closeModal()">×</span>
<div class="modal-content">
<div class="mySlides">
<div class="numbertext">1 / 4</div>
<img src="https://s30.postimg.org/rxspwis5p/tab_gallery_img_1.jpg" style="width:100%">
</div>
<div class="mySlides">
<div class="numbertext">2 / 4</div>
<img src="]https://s30.postimg.org/5n4uwjuvh/tab_gallery_img_2.jpg" style="width:100%">
</div>
<div class="mySlides">
<div class="numbertext">3 / 4</div>
<img src="https://s30.postimg.org/h0vzlhurx/tab_gallery_img_3.jpg" style="width:100%">
</div>
<div class="mySlides">
<div class="numbertext">4 / 4</div>
<img src="https://s30.postimg.org/eku67ncp9/tab_gallery_img_4.jpg" style="width:100%">
</div>
<a class="prev" onclick="plusSlides(-1)">❮</a>
<a class="next" onclick="plusSlides(1)">❯</a>
<div class="caption-container">
<p id="caption"></p>
</div>
<div class="column">
<img class="demo" src="https://s30.postimg.org/rxspwis5p/tab_gallery_img_1.jpg" onclick="currentSlide(1)" alt="Nature">
</div>
<div class="column">
<img class="demo" src="]https://s30.postimg.org/5n4uwjuvh/tab_gallery_img_2.jpg" onclick="currentSlide(2)" alt="Trolltunga">
</div>
<div class="column">
<img class="demo" src="https://s30.postimg.org/h0vzlhurx/tab_gallery_img_3.jpg" onclick="currentSlide(3)" alt="Mountains">
</div>
<div class="column">
<img class="demo" src="https://s30.postimg.org/eku67ncp9/tab_gallery_img_4.jpg" onclick="currentSlide(4)" alt="Lights">
</div>
</div>
</div>
</div>
</div>
答案 0 :(得分:0)
我在所有图片上都看到,宽度为100%:
<img src="https://s30.postimg.org/5n4uwjuvh/tab_gallery_img_2.jpg" style="width:100%">
将宽度设置为100%会强制图像扩展到容器的大小。将此更改为 max-width 应该可以解决该问题,同时确保图像不会超过容器。
<img src="https://s30.postimg.org/5n4uwjuvh/tab_gallery_img_2.jpg" style="max-width:100%">
在此之后,您可以查看图像居中的位置,并在图像很小时使其看起来很漂亮。
旁注:我注意到某些图片网址上有一个[
,我猜这是一个错字?
更新:要使图像与中心对齐并且背景“已移除”:
添加以下CSS:
.mySlides{
background: black;
text-align: center;
}
这会将背景设置为黑色,这样看起来不会让图片与中心对齐。