vue底部加载更多的实例代码


            要实现的效果如下：







<template>

 <div class="newsList">

  <div v-for="(items, index) in newsList">

   <div class="date">{{showDay(index)}}</div>

   <div class="list" >

    <ul>

     <li class="list-item" v-for="item in items">

      <span class="text">{{item.title}}</span>

      <img :src="attachImageUrl(item.images[0])" class="image"/>

     </li>

    </ul>

   </div>

  </div>

  <div class="infinite-scroll" v-show="loading">

   <svg class="loader-circular" viewBox="25 25 50 50">

    <circle class="loader-path" cx="50" cy="50" r="20" fill="none" stroke="rgb(53, 157, 218)" stroke-width="5"></circle>

   </svg>

   <span class="infinite-scroll-text">{{tips}}</span>

  </div>

 </div>

</template>

<script>

 import axios from 'axios';

 export default {

  data () {

   return {

    newsList: [],

    date: [],

    todayDate: '',

    REQUIRE: true,

    loading: false,

    tips: '努力加载中...'

   }

  },

  created () {

   // 获取今日新闻

   axios.get('http://zhihuapi.herokuapp.com/api/4/news/latest')

    .then( (res) => {

    this.newsList.push(res.data['stories'])

    this.date.push(res.data['date']);

    this.todayDate = res.data['date']

   })

  },

  mounted () {

   // 添加滚动事件，检测滚动到页面底部

   window.addEventListener('scroll', this.scrollBottom)

  },

  methods: {

   scrollBottom() {

    // 滚动到页面底部时，请求前一天的文章内容

    if (((window.screen.height + document.body.scrollTop) > (document.body.clientHeight)) && this.REQUIRE) {

     // 请求的数据未加载完成时，滚动到底部不再请求前一天的数据

     this.REQUIRE = false;

     this.loading = true;

     this.tips = '努力加载中...';

     axios.get('http://zhihuapi.herokuapp.com/api/4/news/before/' + this.todayDate).then((res) => {

      this.newsList.push(res.data['stories']);

     this.date.push(res.data['date']);

     this.todayDate = res.data['date'];

     // 请求的数据加载完成后，再次滚动到底部时，允许请求前一天数据

     this.$nextTick(() => {

      this.REQUIRE = true;

      this.loading = false;

     });

    }).catch(() => {

      this.tips = '连接失败，请稍后重试';

     // 请求失败时，将 REQUIRE 置为 true，滚动到底部时，再次请求

     this.REQUIRE = true;

    });

    }

   },

   showDay (index) {

    if (index === 0) {

     return '今日新闻'

    } else {

     return this.getToday(index)

    }

   },

   getToday (index) {

    let year = this.date[index].slice(0, 4);

    let month = this.date[index].slice(4, 6);

    let day = this.date[index].slice(6);

    let today = new Date(year + '/' + month + '/' + day);

    let week = ['日', '一', '二', '三', '四', '五', '六'];

    return month + '月' + day + '日' + ' 星期' + week[today.getDay()];

   },

   attachImageUrl (srcUrl) {

    if (srcUrl !== undefined) {

     return 'http://read.html5.qq.com/image?src=forum&q=5&r=0&imgflag=7&imageUrl=' + srcUrl.slice(0, 4) + srcUrl.slice(5);

    }

   }

  }

 }

</script>



总结



以上所述是小编给大家介绍的vue底部加载更多的实例代码，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对中文源码网网站的支持！