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這篇文章主要介紹了怎么用vue實現(xiàn)分頁組件的相關(guān)知識,內(nèi)容詳細易懂,操作簡單快捷,具有一定借鑒價值,相信大家閱讀完這篇怎么用vue實現(xiàn)分頁組件文章都會有所收獲,下面我們一起來看看吧。
首先使用基礎(chǔ) Vue 構(gòu)造器,創(chuàng)建一個“子類”,Vue.extend( options )
var barHtml = '<div class="page-bar">'+ '<ul>'+ '<li v-if="cur>1"><a v-on:click="cur--,pageClick()">上一頁</a></li>'+ '<li v-if="cur==1"><a class="banclick">上一頁</a></li>'+ '<li v-for="index in indexs" v-bind:class="{ active: cur == index}">'+ '<a v-on:click="btnclick(index)">{{ index }}</a>'+ '</li>'+ '<li v-if="cur!=all"><a v-on:click="cur++,pageClick()">下一頁</a></li>'+ '<li v-if="cur == all"><a class="banclick">下一頁</a></li>'+ '<li><a>共<i>{{all}}</i>頁</a></li>'+ '</ul>'+ '</div>'; var navBar = Vue.extend({ template:barHtml, props:['all','cur'], computed: { indexs: function(){ var left = 1; var right = this.all; var ar = []; if(this.all>= 5){ if(this.cur > 3 && this.cur < this.all-2){ left = this.cur - 2 right = this.cur + 2 }else{ if(this.cur<=3){ left = 1 right = 5 }else{ right = this.all left = this.all -4 } } } while (left <= right){ ar.push(left) left ++ } return ar } }, methods: { btnclick: function(data){ if(data != this.cur){ this.cur = data; this.$emit('btn-click',data); } }, pageClick: function(){ this.$emit('btn-click',this.cur); } }, }); window.pagenav = navBar;
這兒創(chuàng)建了一個全局的pagenav,可以在其它地方都可以調(diào)用。
html代碼
<div id="page"> <vue-nav :cur.sync="cur" :all.sync="all" v-on:btn-click="listenDate"></vue-nav> <p >{{msg}}</p> </div>
css代碼
.page-bar{ margin:40px; } ul,li{ margin: 0px; padding: 0px; } li{ list-style: none } .page-bar ul{ overflow: hidden; } .page-bar li{ float: left; } .page-bar li:first-child>a { margin-left: 0px } .page-bar a{ display: block; border: 1px solid #ddd; text-decoration: none; position: relative; padding: 6px 12px; margin-left: -1px; line-height: 1.42857143; color: #337ab7; cursor: pointer } .page-bar a:hover{ background-color: #eee; } .page-bar a.banclick{ cursor:not-allowed; } .page-bar .active a{ color: #fff; cursor: default; background-color: #337ab7; border-color: #337ab7; } .page-bar i{ font-style:normal; color: #d44950; margin: 0px 4px; font-size: 12px; }
新建一個vue對象實例
var pageBar = new Vue({ el: '#page', data: { all: 8, //總頁數(shù) cur: 1,//當(dāng)前頁碼 msg:'' }, components:{ 'vue-nav':pagenav }, watch: { cur: function(oldValue , newValue){ console.log('監(jiān)聽cur前與后的值:'); console.log(arguments); } }, methods:{ listenDate:function(data){ this.cur = data; this.msg = '你點擊了'+data+ '頁'; } } })
簡單的用js封裝了一下分頁組件。
<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"/> <meta charset="utf-8"> <title></title> <meta name="keywords" content="" /> <meta name="description" content="" /> <script type="text/javascript" src="js/vue.min2.js"></script> <style> .page-bar{ margin:40px; } ul,li{ margin: 0px; padding: 0px; } li{ list-style: none } .page-bar ul{ overflow: hidden; } .page-bar li{ float: left; } .page-bar li:first-child>a { margin-left: 0px } .page-bar a{ display: block; border: 1px solid #ddd; text-decoration: none; position: relative; padding: 6px 12px; margin-left: -1px; line-height: 1.42857143; color: #337ab7; cursor: pointer } .page-bar a:hover{ background-color: #eee; } .page-bar a.banclick{ cursor:not-allowed; } .page-bar .active a{ color: #fff; cursor: default; background-color: #337ab7; border-color: #337ab7; } .page-bar i{ font-style:normal; color: #d44950; margin: 0px 4px; font-size: 12px; } </style> </head> <body> <div id="page"> <vue-nav :cur.sync="cur" :all.sync="all" v-on:btn-click="listenDate"></vue-nav> <p >{{msg}}</p> </div> <script type="text/javascript"> var barHtml = '<div class="page-bar">'+ '<ul>'+ '<li v-if="cur>1"><a v-on:click="cur--,pageClick()">上一頁</a></li>'+ '<li v-if="cur==1"><a class="banclick">上一頁</a></li>'+ '<li v-for="index in indexs" v-bind:class="{ active: cur == index}">'+ '<a v-on:click="btnclick(index)">{{ index }}</a>'+ '</li>'+ '<li v-if="cur!=all"><a v-on:click="cur++,pageClick()">下一頁</a></li>'+ '<li v-if="cur == all"><a class="banclick">下一頁</a></li>'+ '<li><a>共<i>{{all}}</i>頁</a></li>'+ '</ul>'+ '</div>'; var navBar = Vue.extend({ template:barHtml, props:['all','cur'], computed: { indexs: function(){ var left = 1; var right = this.all; var ar = []; if(this.all>= 5){ if(this.cur > 3 && this.cur < this.all-2){ left = this.cur - 2 right = this.cur + 2 }else{ if(this.cur<=3){ left = 1 right = 5 }else{ right = this.all left = this.all -4 } } } while (left <= right){ ar.push(left) left ++ } return ar } }, methods: { btnclick: function(data){ if(data != this.cur){ this.cur = data; this.$emit('btn-click',data); } }, pageClick: function(){ this.$emit('btn-click',this.cur); } }, }); window.pagenav = navBar; var pageBar = new Vue({ el: '#page', data: { all: 8, //總頁數(shù) cur: 1,//當(dāng)前頁碼 msg:'' }, components:{ 'vue-nav':pagenav }, watch: { cur: function(oldValue , newValue){ console.log('監(jiān)聽cur前與后的值:'); console.log(arguments); } }, methods:{ listenDate:function(data){ this.cur = data; this.msg = '你點擊了'+data+ '頁'; } } }) </script> </body> </html>
Vue是一款友好的、多用途且高性能的JavaScript框架,使用vue可以創(chuàng)建可維護性和可測試性更強的代碼庫,Vue允許可以將一個網(wǎng)頁分割成可復(fù)用的組件,每個組件都包含屬于自己的HTML、CSS、JavaScript,以用來渲染網(wǎng)頁中相應(yīng)的地方,所以越來越多的前端開發(fā)者使用vue。
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