模态库 - 此脚本的下一个和上一个按钮?

问题描述 投票:0回答:1

我有这个代码,当我想更改照片(不在预览中而是在模态中)时,我需要输入下一个和上一个按钮或链接到模态图像。对我来说,将它们输入到 HTML 脚本中不是问题,但问题是我不能使用太多 JS,所以我无法创建一个脚本,可以在单击下一步时无限循环地将图像从一个图像移动到另一个图像 /上一个按钮。我接受用最新的 JQuery(移动)编写的代码,因为我也在我的页面上使用它。非常感谢您的帮助。这是现在有效的链接 https://jsfiddle.net/8ryutc5g/2/

<div class="slideshow-container">
<div class="mySlides fade">
    <div class="numbertext">1 / 5</div>
    <img class="ImgThumbnail" src="http://srovnej.jednoduse.cz/img/svarec3.jpg" style="height:300px; width:100%;">
    <div class="text">Dělník</div>
  </div>

  <div class="mySlides fade">
    <div class="numbertext">2 / 5</div>
    <img class="ImgThumbnail" src="http://srovnej.jednoduse.cz/img/svarec.jpg" style="height:300px; width:100%;">
    <div class="text">Montér</div>
  </div>

  <div class="mySlides fade">
    <div class="numbertext">3 / 5</div>
    <img class="ImgThumbnail" src="http://srovnej.jednoduse.cz/img/svarec2.jpg" style="height:300px; width:100%;">
    <div class="text">Uklízečka</div>
  </div>
  <div class="mySlides fade">
    <div class="numbertext">4 / 5</div>
    <img class="ImgThumbnail" src="http://srovnej.jednoduse.cz/img/zamecnik.jpg" style="height:300px; width:100%;">
    <div class="text">kuchař</div>
  </div>
  <div class="mySlides fade">
    <div class="numbertext">5 / 5</div>
    <img class="ImgThumbnail" src="http://srovnej.jednoduse.cz/img/zamecnik2.jpg" style="height:300px; width:100%;">
    <div class="text">Striptérka</div>
  </div>

</div>

<br>

<!-- The dots/circles -->
<div style="text-align:center">
  <span class="dot" onclick="currentSlide(1)"></span>
  <span class="dot" onclick="currentSlide(2)"></span>
  <span class="dot" onclick="currentSlide(3)"></span>
  <span class="dot" onclick="currentSlide(4)"></span>
  <span class="dot" onclick="currentSlide(5)"></span>
</div>  

<div class="modal">
<span class="close">×</span>
<img class="modalImage" id="img01" style="max-height:800px; max-width:100%">
</div>



    <script>
var slideIndex = 1;
showSlides(slideIndex);

// Next/previous controls
function plusSlides(n) {
  showSlides(slideIndex += n);
}

// Thumbnail image controls
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";
}


var modalEle = document.querySelector(".modal");
var modalImage = document.querySelector(".modalImage");
Array.from(document.querySelectorAll(".ImgThumbnail")).forEach(item => {
   item.addEventListener("click", event => {
      modalEle.style.display = "block";
      modalImage.src = event.target.src;
   });
});
document.querySelector(".close").addEventListener("click", () => {
   modalEle.style.display = "none";
});
</script>
javascript jquery image photo-gallery
1个回答
-1
投票

“已成功合并模态库脚本,但目前缺少下一个和上一个按钮。有关如何添加这些导航功能以增强用户体验的任何建议?我们将非常感谢您的见解或示例。提前感谢您的帮助!”

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