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How to implement web paging components in Vue

亚连
亚连Original
2018-06-23 17:44:001150browse

This article mainly introduces in detail the implementation method of Vue to implement web paging components. It has certain reference value. Interested friends can refer to it.

The examples in this article share the Vue implementation with everyone. The specific code of the web paging component is for your reference. The specific content is as follows

Effect demonstration

Source code

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>测试分页 - www.maoyupeng.com</title>
 <style type="text/css">
  body{padding:0; margin: 0; broder:none; } #app {width: 500px; height: 200px; margin: 0 auto; text-align: center; background-color: #cccccc; } #mylink {color: #efefef; } .pagination{list-style: none; text-align: center; height: 50px; padding-top: 50px; } .pagination > li {float: left; margin: 0 5px; } [v-cloak] {display: none; } </style>
</head>
<body>
 <p id="app" v-cloak>
  <ul class="pagination">
   <li>
    <a v-if="currentPage == 1" >首页</a>
    <a v-else href="javascript:;" @click="next(1)">首页</a>
   </li>
   <li v-if="currentPage<=1"><a>上一页</a></li>
   <li v-else><a href="javascript:;" @click="next(currentPage-1)">上一页</a></li>


   <li v-for="item in pagingList">
    <a v-if="currentPage==item.key || sign ==item.key" >{{item.key}}</a>
    <a v-else href="javascript:;" @click="next(item.value)">{{item.key}}</a>
   </li>

   <li v-if="currentPage>=totalPageCount"><a>下一页</a></li>
   <li v-else><a href="javascript:;" @click="next(currentPage+1)">下一页</a></li>
   <li>
    <a v-if="totalPageCount == currentPage">尾页</a>
    <a v-else href="javascript:;" @click="next(totalPageCount)">尾页</a>
   </li>
  </ul>
  <p>共:{{totalPageCount||0}}页,当前页为第{{currentPage||0}}页   设置总页数:<input style="width:20px;" v-model="totalPageCount"></p>
  <a href="http://www.maoyupeng.com/web-pagination-component-for-vue.html" target="_blank" id="mylink">http://www.maoyupeng.com 带注解版本</a>
 </p>

 <script src="https://unpkg.com/vue/dist/vue.js"></script>
 <script type="text/javascript">
  var app = new Vue({
   el: &#39;#app&#39;,
   data: {
   // 省略的符号
   sign:&#39;...&#39;,
   // 省略号位置
   signIndex:4,
   // 总页数
   totalPageCount: 4,
   // 当前页
   currentPage:1,
   // 显示在页面的数组列表
   pagingList:[]
   },
   watch: {
   totalPageCount (val) {
    var that = this
    if (!val || val == &#39;&#39;) return;
    that.currentPage = 1;
    that.init()
   },
   currentPage (val) {
    var that = this
    that.init()
   }
   },
   methods: {
   // 跳转到某页码
   next (num) {
    var that = this
    if (num <= 1) that.currentPage = 1;
    else if (num >= that.totalPageCount) that.currentPage = that.totalPageCount;
    else that.currentPage = num;
   },
   // 初始化数据
   fetchData () {
    var that = this

    that.pagingList = [];
    var tmp = null;


    if ((that.totalPageCount) > 6) {
     if (((that.totalPageCount-1) == (that.totalPageCount - that.currentPage)) && (that.totalPageCount - that.currentPage) > 5) {
      for (var i=1;i<7;i++) {
       if (i < that.signIndex) {
        tmp = {key:i, value:i }
       } else if (i== that.signIndex) {
        tmp = {key:that.sign, value:0 }
       } else if (i == (that.signIndex + 1) ) {
        tmp = {key:that.totalPageCount - 1, value:that.totalPageCount - 1 }
       } else {
        tmp = {key:that.totalPageCount, value:that.totalPageCount }
       }
       that.pagingList.push(tmp)
      }
     } else if (((that.totalPageCount - that.currentPage) <= that.signIndex)){
      var starNum = that.totalPageCount - 5;
      for (var i=starNum;i<starNum+6;i++) {
       tmp = {key:i, value:i }
       that.pagingList.push(tmp)
      }
     } else {
      var starNum = that.currentPage - 1;
      for (var i=1;i<7;i++) {
       if (i < that.signIndex) {
        tmp = {key:(starNum - 1) + i, value:(starNum - 1) + i }
       } else if (i== that.signIndex) {
        tmp = {key:that.sign, value:0 }
       } else if (i == (that.signIndex + 1) ) {
        tmp = {key:that.totalPageCount - 1, value:that.totalPageCount - 1 }
       } else {
        tmp = {key:that.totalPageCount, value:that.totalPageCount }
       }
       that.pagingList.push(tmp)
      }
     }
    } else {
     for (var i =0; i <that.totalPageCount; i++) {
      tmp = {key:i+1, value:i+1 }
      that.pagingList.push(tmp)
     }
    }
   },
   init () {
    var that = this

    that.fetchData()
   }
   },
   mounted () {
   var that = this

   that.init()
   }
  }) 
 </script>
</body>
</html>

The above is what I compiled For everyone, I hope it will be helpful to everyone in the future.

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