【vue实现原理】基于vue实现分页/翻页组件paginator示例

更新时间:2021-07-15    来源:组件控件开发    手机版     字体:

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项目需要自己写了一个基于vue的paginator分享出来,欢迎各路好汉来指教


当页数小于999(包括999)页



页数大于999页



首页或尾页disabled



10页之内显示



Usage


参数


pageCount: 整数,代表总页数


监听事件


@togglePage: 监听切换页面事件,可以获取到当前前往页的页数


父组件调用方法 index.vue






 

<template lang="html">
  <div>
    <paginator :pageCount="pageCount"@togglePage="togglePage($event)"></paginator>
  </div>
</template>
 
<script>
exportdefault{
  data(){
    return{
      //总页数
      pageCount: 24
    }
  },
  methods:{
    togglePage(indexPage){
      //打印出当前页数
      console.log(indexPage);
    },
  }
}
</script>

 




分页组件 paginator.vue



 

<template lang="html">
  <div class="pagination">
    <ul>
      <li :class="{disabled: curPage == 1}"@click="prevPage"v-if="pageCount > 1">上一页</li>
      <li :class="{active: curPage == 1}"@click="page(1)">1</li>
      <li class="ellipsis"v-show="curPage > 5 && pageCount > 10">...</li>
      <li  :class="{active: curPage == index+offset}"v-for="(item,index) in  middlePages"@click="page(index+offset)">{{index+offset}}</li>
      <li class="ellipsis"v-show="curPage < bigLimit && pageCount > 10">...</li>
      <li :class="{active: curPage == pageCount}"@click="page(pageCount)"v-if="pageCount > 1">{{pageCount}}</li>
      <li :class="{disabled: curPage == pageCount}"@click="nextPage"v-if="pageCount > 1">下一页</li>
    </ul>
  </div>
</template>
 
<script>
  exportdefault{
    props:['pageCount'],
    data(){
      return{
        curPage: 1,
      };
    },
    computed:{
      middlePages(){
        if(this.pageCount <= 2){
          return0;
        }elseif(this.pageCount> 2 &&this.pageCount <= 10){
          returnthis.pageCount-2;
        }else{
          returnthis.curPage > 999 ? 5 : 8;
        }
      },
      bigLimit(){
        returnthis.middlePages > 5 ?this.pageCount-6 :this.pageCount -3;
      },
      offset(){
        if(this.curPage <= 5){
          return2;
        }elseif(this.curPage >=this.bigLimit){
          returnthis.bigLimit-2;
        }else{
          returnthis.middlePages > 5 ?this.curPage-3 :this.curPage-2;
        }
      }
    },
    methods:{
      page(indexPage){
        this.$emit('togglePage',indexPage);
        this.curPage = indexPage;
      },
      prevPage(){
        if(this.curPage != 1){
          this.page(this.curPage-1);
        }
      },
      nextPage(){
        if(this.curPage !=this.pageCount){
          this.page(this.curPage+1);
        }
      }
    }
  };
</script>
 
<style lang="css"scoped>
  @import'styles/vars.css';
  .pagination{
    width: 660px;
    text-align: center;
    ul{
      margin: 40px 0 60px 0;
      li{
        cursor: pointer;
        display: inline-block;
        padding: 5px 9px;
        border: 1px solid#e1e1eb;
        margin-right: 5px;
        &.active{
          background:#4078c0;
          color:#fff;
        }
        &.ellipsis{
          border: none;
        }
        &.disabled{
          color:#dcdcdc;
        }
      }
    }
  }
</style>

 

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