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Vue实现web分页组件详解

2019-11-19 14:50:40
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本文实例为大家分享了Vue实现web分页组件的具体代码,供大家参考,具体内容如下

效果演示

源代码

<!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> <div 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> </div> <script src="https://unpkg.com/vue/dist/vue.js"></script> <script type="text/javascript">  var app = new Vue({   el: '#app',   data: {   // 省略的符号   sign:'...',   // 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 == '') 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>

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