swiper7-3.添加指示點（就是小點點）

<template>
  <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 class="swiper-slide">Slide 5</div>
      <div class="swiper-slide">Slide 6</div>
      <div class="swiper-slide">Slide 7</div>
      <div class="swiper-slide">Slide 8</div>
      <div class="swiper-slide">Slide 9</div>
    </div>
    <!-- 增加指示點標志 -->
    <div class="swiper-pagination"></div>
  </div>
</template>
<script>
import Swiper from "swiper/swiper-bundle.min.js";
import "swiper/swiper-bundle.min.css";

export default {
  components: {},
  methods: {},
  mounted() {
    this.$nextTick(() => {
      // 創建swiper對象
      const swiper = new Swiper(".mySwiper", {
        pagination: {
          // 增加指示點；使用分頁器導航。分頁器可使用小圓點樣式（默認）、分式樣式或進度條樣式。
          el: ".swiper-pagination",
          // dynamicBullets: true, // 開啟這個后，如果你的分頁小點過多的話就會隱藏部分
          // type: "progressbar", // 分頁器的類型:  ‘bullets’  圓點（默認） ‘fraction’  分式 ‘progressbar’  進度條‘custom’ 自定義
          clickable: true, // 開啟這個，指示點可以點擊了
          renderBullet: function (index, className) {
            // renderBullet。這個參數允許完全自定義分頁器的指示點
            return '<span class="' + className + '">' + (index + 1) + "</span>";
          },
        },
      });
    });
  },
};
</script>

<style lang="scss" scoped>
.swiper {
  width: 100%;
  height: 700px;
}

.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 讓圖片適應容器，但是設置寬高百分百，還有必要設置這個屬性嗎  */
  object-fit: cover;
}
</style>