swiper7-24. 动态添加轮播图片

<template>
  <div class="swiper-twenty-six">
    <div class="swiper mySwiper">
      <div class="swiper-wrapper">
        <div class="swiper-slide">Slide 1</div>
        <div class="swiper-slide">Slide 2</div>
        <div class="swiper-slide">Slide 3</div>
        <div class="swiper-slide">Slide 4</div>
      </div>
      <div class="swiper-button-next"></div>
      <div class="swiper-button-prev"></div>
      <div class="swiper-pagination"></div>
    </div>

    <p class="append-buttons">
      <button class="prepend-2-slides">Prepend 2 Slides</button>
      <button class="prepend-slide">Prepend Slide</button>
      <button class="append-slide">Append Slide</button>
      <button class="append-2-slides">Append 2 Slides</button>
    </p>
    <!-- 动态添加轮播图片 -->
  </div>
</template>
<script>
import Swiper from "swiper/swiper-bundle.min.js";
import "swiper/swiper-bundle.min.css";

export default {
  components: {},
  methods: {},
  mounted() {
    this.$nextTick(() => {
      // 创建swiper对象
      var swiper = new Swiper(".mySwiper", {
        slidesPerView: 3,
        centeredSlides: true,
        spaceBetween: 30,
        pagination: {
          el: ".swiper-pagination",
          type: "fraction",
        },
        navigation: {
          nextEl: ".swiper-button-next",
          prevEl: ".swiper-button-prev",
        },
      });

      var appendNumber = 4;
      var prependNumber = 1;
      document
        .querySelector(".prepend-2-slides")
        .addEventListener("click", function (e) {
          e.preventDefault();
          swiper.prependSlide([
            '<div class="swiper-slide">Slide ' + --prependNumber + "</div>",
            '<div class="swiper-slide">Slide ' + --prependNumber + "</div>",
          ]);
        });
      document
        .querySelector(".prepend-slide")
        .addEventListener("click", function (e) {
          e.preventDefault();
          swiper.prependSlide(
            '<div class="swiper-slide">Slide ' + --prependNumber + "</div>"
          );
        });
      document
        .querySelector(".append-slide")
        .addEventListener("click", function (e) {
          e.preventDefault();
          swiper.appendSlide(
            '<div class="swiper-slide">Slide ' + ++appendNumber + "</div>"
          );
        });
      document
        .querySelector(".append-2-slides")
        .addEventListener("click", function (e) {
          e.preventDefault();
          swiper.appendSlide([
            '<div class="swiper-slide">Slide ' + ++appendNumber + "</div>",
            '<div class="swiper-slide">Slide ' + ++appendNumber + "</div>",
          ]);
        });
    });
  },
};
</script>

<style>
html,
body {
  position: relative;
  height: 100%;
}

body {
  background: #eee;
  font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #000;
  margin: 0;
  padding: 0;
}
.swiper {
  width: 100%;
  height: 500px;
}

.swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;

  /* Center slide text vertically */
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
}

.swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.swiper {
  width: 100%;
  height: 300px;
  margin: 20px auto;
}
.append-buttons {
  text-align: center;
  margin-top: 20px;
}

.append-buttons button {
  display: inline-block;
  cursor: pointer;
  border: 1px solid #007aff;
  color: #007aff;
  text-decoration: none;
  padding: 4px 10px;
  border-radius: 4px;
  margin: 0 10px;
  font-size: 13px;
}
</style>