Vue技術開発におけるページング機能の実装方法

npm install vue-pagination

<template>
  <div>
    <ul>
      <li v-for="page in totalPages" :key="page" :class="{ active: page === currentPage }" @click="changePage(page)">
        {{ page }}
      </li>
    </ul>
  </div>
</template>

<script>
export default {
  props: {
    totalItems: {
      type: Number,
      required: true
    },
    itemsPerPage: {
      type: Number,
      default: 10
    }
  },
  data() {
    return {
      currentPage: 1
    }
  },
  computed: {
    totalPages() {
      return Math.ceil(this.totalItems / this.itemsPerPage)
    }
  },
  methods: {
    changePage(page) {
      this.currentPage = page
      // TODO: 根据页码加载数据
    }
  }
}
</script>

<style>
ul {
  list-style-type: none;
  display: flex;
  justify-content: center;
}

li {
  margin: 0 5px;
  cursor: pointer;
}

li.active {
  font-weight: bold;
}
</style>

<template>
  <div>
    <ul>
      <li v-for="item in paginatedData" :key="item.id">
        {{ item }}
      </li>
    </ul>
    <pagination :total-items="data.length" :items-per-page="10" @page-changed="loadData"></pagination>
  </div>
</template>

<script>
import Pagination from './Pagination.vue'

export default {
  components: {
    pagination: Pagination
  },
  data() {
    return {
      data: [] // 加载的数据列表
    }
  },
  computed: {
    paginatedData() {
      const startIndex = (this.$refs.pagination.currentPage - 1) * this.$refs.pagination.itemsPerPage
      const endIndex = startIndex + this.$refs.pagination.itemsPerPage
      return this.data.slice(startIndex, endIndex)
    }
  },
  methods: {
    loadData() {
      // TODO: 根据当前页码和每页展示的数据项数加载数据
    }
  }
}
</script>