在VueJS中显示不带Jquery的Bootstrap4模式

<template>
  <div>
    <button class="btn btn-primary" @click="showModal">Open Modal</button>
    <div class="modal" ref="modal">
      <div class="modal-dialog">
        <div class="modal-content">
          <div class="modal-header">
            <h5 class="modal-title">Modal Title</h5>
            <button type="button" class="close" @click="hideModal">
              <span>&times;</span>
            </button>
          </div>
          <div class="modal-body">
            Modal Content
          </div>
          <div class="modal-footer">
            <button type="button" class="btn btn-secondary" @click="hideModal">Close</button>
            <button type="button" class="btn btn-primary">Save changes</button>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  mounted() {
    // 初始化Modal组件
    const modal = new bootstrap.Modal(this.$refs.modal);
    this.modal = modal;
  },
  methods: {
    showModal() {
      this.modal.show();
    },
    hideModal() {
      this.modal.hide();
    }
  }
}
</script>

<style>
/* 在这里可以使用Bootstrap4的样式 */
</style>