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vue2.0 移动端实现下拉刷新和上拉加载更多的示例

(编辑:jimmy 日期: 2024/5/8 浏览:3 次 )

本人正在基于 vue2.0 + webpack + es6 搭建前端架构,整理了部分插件,下面这个是下拉更新 上拉更多的,挺好用的,分享给大家。

直接上代码,不懂的多看几遍,下面我换会告诉大家如何使用。

<template lang="html">
 <div class="yo-scroll"
 :class="{'down':(state===0),'up':(state==1),refresh:(state===2),touch:touching}"
 @touchstart="touchStart($event)"
 @touchmove="touchMove($event)"
 @touchend="touchEnd($event)"
 @scroll="(onInfinite || infiniteLoading) ">
  <section class="inner" :style="{ transform: 'translate3d(0, ' + top + 'px, 0)' }">
   <header class="pull-refresh">
    <slot name="pull-refresh">
      <span class="down-tip">下拉更新</span>
      <span class="up-tip">松开更新</span>
      <span class="refresh-tip">更新中</span>
    </slot>
   </header>
   <slot></slot>
   <footer class="load-more">
    <slot name="load-more">
     <span>加载中……</span>
    </slot>
   </footer>
  </section>
 </div>
</template>

<script>
export default {
 props: {
  offset: {
   type: Number,
   default: 40
  },
  enableInfinite: {
   type: Boolean,
   default: true
  },
  enableRefresh: {
   type: Boolean,
   default: true
  },
  onRefresh: {
   type: Function,
   default: undefined,
   required: false
  },
  onInfinite: {
   type: Function,
   default: undefined,
   require: false
  }
 },
 data() {
  return {
   top: 0,
   state: 0,
   startY: 0,
   touching: false,
   infiniteLoading: false
  }
 },
 methods: {
  touchStart(e) {
   this.startY = e.targetTouches[0].pageY
   this.startScroll = this.$el.scrollTop || 0
   this.touching = true
  },
  touchMove(e) {
   if (!this.enableRefresh || this.$el.scrollTop > 0 || !this.touching) {
    return
   }
   let diff = e.targetTouches[0].pageY - this.startY - this.startScroll
   if (diff > 0) e.preventDefault()
   this.top = Math.pow(diff, 0.8) + (this.state === 2 "htmlcode">
<template>
 <div>
    <v-scroll :on-refresh="onRefresh" :on-infinite="onInfinite">
    <ul>
     <li v-for="(item,index) in listdata" >{{item.name}}</li>
     <li v-for="(item,index) in downdata" >{{item.name}}</li>
    </ul>
  </v-scroll>
 </div>
</template>
<script>
import Scroll from './y-scroll/scroll';

export default{
 data () {
  return {
   counter : 1, //默认已经显示出15条数据 count等于一是让从16条开始加载
   num : 15, // 一次显示多少条
   pageStart : 0, // 开始页数
   pageEnd : 0, // 结束页数
   listdata: [], // 下拉更新数据存放数组
   downdata: [] // 上拉更多的数据存放数组
  }
 },
 mounted : function(){
   this.getList();
 },
 methods: {
  getList(){
    let vm = this;
     vm.$http.get('https://api.github.com/repos/typecho-fans/plugins/contents/').then((response) => {
          vm.listdata = response.data.slice(0,15);
         }, (response) => {
          console.log('error');
        });
  },
  onRefresh(done) {
       this.getList();
    
       done() // call done
   
  },
  onInfinite(done) {
       let vm = this;
       vm.$http.get('https://api.github.com/repos/typecho-fans/plugins/contents/').then((response) => {
         vm.counter++;
         vm.pageEnd = vm.num * vm.counter;
         vm.pageStart = vm.pageEnd - vm.num;
         let arr = response.data;
           let i = vm.pageStart;
           let end = vm.pageEnd;
           for(; i<end; i++){
            let obj ={};
            obj["name"] = arr[i].name;
            vm.downdata.push(obj);
             if((i + 1) >= response.data.length){
             this.$el.querySelector('.load-more').style.display = 'none';
             return;
            }
            }
         done() // call done
          }, (response) => {
          console.log('error');
        });
      }
 },
 components : {
'v-scroll': Scroll
 }
}
</script>

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。

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