我不知道这是不是你需要的。我引用了别人的代码，并根据你的要求修改了它。
联系我们

<div class="slideshow-container">
  <div class="mySlides fade">
    <div class="img">AAA</div>
    <div class="text">A</div>
  </div>

  <div class="mySlides fade">
    <div class="img">BBB</div>
    <div class="text">Two</div>
  </div>

  <div class="mySlides fade">
    <div class="img">CCC</div>
    <div class="text">Three</div>
  </div>

  <div class="mySlides fade">
    <div class="img">DDD</div>
    <div class="text">Four</div>
  </div>

  <a class="prev" onclick="plusSlides(-1)">❮</a>
  <a class="next" onclick="plusSlides(1)">❯</a>
</div>

css：

body {
  font-family: "Arial", "sans-serif";
  margin: 0 auto;
}

.mySlides {
  display: none;
  width: 100%;
  height: 100%;
  background: gray;
}

.img {
  color: #f2f2f2;
  font-size: 36px;
  padding: 5px 10px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.5);
}

/* Slideshow container */
.slideshow-container {
  width: 512px;
  height: 300px;
  position: relative;
  margin: 0 auto;
}

/* Next & previous buttons */
.prev,
.next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  transform: translate(0%, -50%);
  width: auto;
  padding: 16px;
  color: white;
  font-weight: bold;
  font-size: 18px;
  border-radius: 10px;
  user-select: none;
}

/* Position the "next button" to the right */
.next {
  right: 0;
}

/* 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);
}

/* Caption text */
.text {
  color: #f2f2f2;
  font-size: 15px;
  padding: 5px 10px;
  position: absolute;
  bottom: 0px;
  left: 50%;
  transform: translate(-50%, 0%);
  text-align: center;
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.5);
}

/* Number text (1/3 etc) */
.numbertext {
  color: #f2f2f2;
  font-size: 12px;
  padding: 5px 10px;
  position: absolute;
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.7);
  top: 0;
}

/* The dots/bullets/indicators */
.dot {
  cursor: pointer;
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
}

.active,
.dot:hover {
  background-color: #717171;
}

/* Fading animation */
@keyframes fade {
  from {
    opacity: 0.4;
  }

  to {
    opacity: 1;
  }
}

/* On smaller screens, decrease text size */
@media only screen and (max-width: 512px) {
  .prev,
  .next,
  .text {
    font-size: 12px;
  }
}

javascript：

let slideIndex = 1;
showSlides(slideIndex);

function plusSlides(n) {
  showSlides((slideIndex += n));
}

function showSlides(n) {
  let i;
  let slides = document.getElementsByClassName("mySlides");
  if (n > slides.length) {
    slideIndex = 1;
  }
  if (n < 1) {
    slideIndex = slides.length;
  }
  for (i = 0; i < slides.length; i++) {
    slides[i].style.display = "none";
  }
  slides[slideIndex - 1].style.display = "block";
}

希望能对你有所帮助。