一.介绍
Vue.js 是什么
Vue (读音 /vjuː/,类似于 view) 是一套用于构建用户界面的渐进式框架。与其它大型框架不同的是,Vue 被设计为可以自底向上逐层应用。Vue 的核心库只关注视图层,不仅易于上手,还便于与第三方库或既有项目整合。另一方面,当与现代化的工具链以及各种支持类库结合使用时,Vue 也完全能够为复杂的单页应用提供驱动。
二.创建初始化项目
这里不在详细说明,我们的分页演示只需要vue和vue-router就可以了,我们直接构建项目和设置配置。
main.js:
import Vue from \'vue\' import App from \'./App.vue\' import VueRouter from \'vue-router\' import pageHome from \'./pageHome.vue\' import pageNews from \'./pageNews.vue\' import pageInfo from \'./pageInfo.vue\' //路由配置 Vue.use(VueRouter); var routes = [ { path: \'/\', component: pageHome}, { path: \'/pageNews\', component: pageNews}, { path: \'/pageInfo\', component: pageInfo} ] var router = new VueRouter({ routes: routes // (缩写)相当于 routes: routes }) new Vue({ el: \'#app\', router, render: h => h(App) })
App.vue:
<template> <div id=\"app\"> <h3>{{msg}}</h3> <ul> <li><router-link to=\"/\">pageHome</router-link></li> <li><router-link to=\"/pageNews\">pageNews</router-link></li> <li><router-link to=\"/pageInfo\">pageInfo</router-link></li> </ul> <div> <router-view></router-view> </div> </div> </template> <script> export default { name: \'app\', data () { return { msg: \'分页组件:DiVuePage \' } } } </script> <style> #app { font-family: \'Avenir\', Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-align: center; color: #2c3e50; margin-top: 60px; } </style>
pageHome.vue:
<template> <div class=\"page\"> <p>//模拟ajax数据 1-7页</p> <ul class=\"ull\"> <li v-for=\"(item,index) in list\"><span class=\"l\">id:{{item.id}}</span> <span class=\"r\">内容:{{item.text}}</span></li> </ul> </div> </template> <script> export default { name: \'pageHome\', data () { return { currentpage:0, list: [], allpage:\"\", nextpage:false } }, methods:{ getajaxlist:function(currentpage){ var that=this; var list=[]; var allpage=\"\"; var nextpage=\"\"; //模拟ajax数据 1-7页 setTimeout(function(){ if(currentpage==1){ list=[ {id:1,text:\"111111\"}, {id:2,text:\"222222\"}, {id:3,text:\"3333333333\"}, {id:4,text:\"44444444444\"}, {id:5,text:\"555555555\"}, ] allpage=7 nextpage=true; }else if(currentpage==2){ list=[ {id:1,text:\"66666666\"}, {id:2,text:\"7777777777\"}, {id:3,text:\"8888888888\"}, {id:4,text:\"99999999999\"}, {id:5,text:\"101010\"}, ] allpage=7 nextpage=true; }else if(currentpage==3){ list=[ {id:1,text:\"111111111111111\"}, {id:2,text:\"121212\"}, {id:3,text:\"131313\"}, {id:4,text:\"141414\"}, {id:5,text:\"15515\"}, ] allpage=7 nextpage=true; }else if(currentpage==4){ list=[ {id:1,text:\"161616\"}, {id:2,text:\"171717\"}, {id:3,text:\"181818\"}, {id:4,text:\"191919\"}, {id:5,text:\"202020\"}, ] allpage=7 nextpage=true; }else if(currentpage==5){ list=[ {id:1,text:\"2121\"}, {id:2,text:\"22222\"}, {id:3,text:\"232323\"}, {id:4,text:\"242424\"}, {id:5,text:\"252525\"}, ] allpage=7 nextpage=true; }else if(currentpage==6){ list=[ {id:1,text:\"2626\"}, {id:2,text:\"2727\"}, {id:3,text:\"2828\"}, {id:4,text:\"2929\"}, {id:5,text:\"3030\"}, ] allpage=7 nextpage=true; }else if(currentpage==7){ list=[ {id:1,text:\"3131\"}, {id:2,text:\"3232\"} ] allpage=7 nextpage=false; }; that.currentpage=currentpage; that.list=list; that.allpage=allpage; that.nextpage=nextpage; },200); } }, created:function(){ //模拟生成第一页数据 this.getajaxlist(1); } } </script> <style> ul{ list-style:none;} ull{ margin:100px auto; width:1000px;line-height:30px;} li{height:30px;} .l{float:left;width:300px;} .r{float:left;width:600px;} </style>
pageInfo.vue:
<template> <div class=\"page\"> <p>//模拟ajax数据 1-3页</p> <ul class=\"ull\"> <li v-for=\"(item,index) in list\"><span class=\"l\">id:{{item.id}}</span> <span class=\"r\">内容:{{item.text}}</span></li> </ul> </div> </template> <script> export default { name: \'pageInfo\', data () { return { currentpage:0, list: [], allpage:\"\", nextpage:false } }, methods:{ getajaxlist:function(currentpage){ var that=this; var list=[]; var allpage=\"\"; var nextpage=\"\"; //模拟ajax数据 1-3页 setTimeout(function(){ if(currentpage==1){ list=[ {id:1,text:\"111111\"}, {id:2,text:\"222222\"}, {id:3,text:\"3333333333\"}, {id:4,text:\"44444444444\"}, {id:5,text:\"555555555\"}, ] allpage=3 nextpage=true; }else if(currentpage==2){ list=[ {id:1,text:\"66666666\"}, {id:2,text:\"7777777777\"}, {id:3,text:\"8888888888\"}, {id:4,text:\"99999999999\"}, {id:5,text:\"101010\"}, ] allpage=3 nextpage=true; }else if(currentpage==3){ list=[ {id:1,text:\"111111111111111\"}, {id:2,text:\"121212\"}, {id:3,text:\"131313\"}, {id:4,text:\"141414\"}, {id:5,text:\"15515\"}, ] allpage=3 nextpage=false; } that.currentpage=currentpage; that.list=list; that.allpage=allpage; that.nextpage=nextpage; },200); } }, created:function(){ //模拟生成第一页数据 this.getajaxlist(1); } } </script> <style> ul{ list-style:none;} ull{ margin:100px auto; width:1000px;line-height:30px;} li{height:30px;} .l{float:left;width:300px;} .r{float:left;width:600px;} </style>
pageNews.vue:
<template> <div class=\"page\"> <p>模拟ajax数据 1页</p> <ul class=\"ull\"> <li v-for=\"(item,index) in list\"><span class=\"l\">id:{{item.id}}</span> <span class=\"r\">内容:{{item.text}}</span></li> </ul> </div> </template> <script> export default { name: \'pageNews\', data () { return { currentpage:0, list: [], allpage:\"\", nextpage:false } }, methods:{ getajaxlist:function(currentpage){ var that=this; var list=[]; var allpage=\"\"; var nextpage=\"\"; //模拟ajax数据 1页 setTimeout(function(){ if(currentpage==1){ list=[ {id:1,text:\"111111\"}, {id:2,text:\"222222\"}, {id:3,text:\"3333333333\"} ] allpage=1 nextpage=false; } that.currentpage=currentpage; that.list=list; that.allpage=allpage; that.nextpage=nextpage; },200); } }, created:function(){ //模拟生成第一页数据 this.getajaxlist(1); } } </script> <style> ul{ list-style:none;} ull{ margin:100px auto; width:1000px;line-height:30px;} li{height:30px;} .l{float:left;width:300px;} .r{float:left;width:600px;} </style>
预览效果:
三.分页静态结构和样式
divuePage.vue:
<template> <div class=\"DiReactPage\"> <div class=\"DiReactPage-btn\">第一页</div> <div class=\"DiReactPage-btn disable\">上一页</div> <div class=\"DiReactPage-page\"> <span class=\"active\">1</span> <span>2</span> <span>3</span> <span>4</span> </div> <div class=\"DiReactPage-btn\">下一页</div> <div class=\"DiReactPage-btn\">最后一页</div> <div class=\"DiReactPage-btn\">总4页</div> <input class=\"DiReactPage-input\" type=\"text\" /> <button class=\"DiReactPage-btn\">跳转</button> </div> </template> <script> export default { name: \'divuePage\', data () { return { pages:[1,2,3,4,5] } }, methods:{ } } </script> <style> .DiReactPage{ height:30px; line-height:30px; text-align:center;} .DiReactPage .DiReactPage-btn{ display:inline-block; height:30px; line-height:30px; padding:0 5px; margin:0 5px; border-radius:4px; background:#09F; cursor:pointer;} .DiReactPage .DiReactPage-btn.disable{ background:#999;cursor:not-allowed;} .DiReactPage .DiReactPage-page{ display:inline-block; height:30px; line-height:30px; margin:0 20px;} .DiReactPage .DiReactPage-page span{display:inline-block; height:30px; line-height:30px; padding:0 5px; margin:0 5px; color:#000; cursor:pointer;} .DiReactPage .DiReactPage-page span.active{ color:#09F; } .DiReactPage .iReactPage-input{ width:100px; border:1px solid #666; border-radius:4px;height:30px; line-height:30px; } </style>
main.js注册:
import Vue from \'vue\' import App from \'./App.vue\' import VueRouter from \'vue-router\' import pageHome from \'./pageHome.vue\' import pageNews from \'./pageNews.vue\' import pageInfo from \'./pageInfo.vue\' //注册组件 import divuePage from \'./divuePage.vue\' Vue.component(\'divue-page\', divuePage) //路由配置 Vue.use(VueRouter); var routes = [ { path: \'/\', component: pageHome}, { path: \'/pageNews\', component: pageNews}, { path: \'/pageInfo\', component: pageInfo} ] var router = new VueRouter({ routes: routes // (缩写)相当于 routes: routes }) new Vue({ el: \'#app\', router, render: h => h(App) })
pageHome.vue引用:
<template> <div class=\"page\"> <p>//模拟ajax数据 1-7页</p> <ul class=\"ull\"> <li v-for=\"(item,index) in list\"><span class=\"l\">id:{{item.id}}</span> <span class=\"r\">内容:{{item.text}}</span></li> </ul> <divue-page></divue-page> </div> </template> <script> export default { name: \'pageHome\', data () { return { currentpage:0, list: [], allpage:\"\", nextpage:false } }, methods:{ getajaxlist:function(currentpage){ var that=this; var list=[]; var allpage=\"\"; var nextpage=\"\"; //模拟ajax数据 1-7页 setTimeout(function(){ if(currentpage==1){ list=[ {id:1,text:\"111111\"}, {id:2,text:\"222222\"}, {id:3,text:\"3333333333\"}, {id:4,text:\"44444444444\"}, {id:5,text:\"555555555\"}, ] allpage=7 nextpage=true; }else if(currentpage==2){ list=[ {id:1,text:\"66666666\"}, {id:2,text:\"7777777777\"}, {id:3,text:\"8888888888\"}, {id:4,text:\"99999999999\"}, {id:5,text:\"101010\"}, ] allpage=7 nextpage=true; }else if(currentpage==3){ list=[ {id:1,text:\"111111111111111\"}, {id:2,text:\"121212\"}, {id:3,text:\"131313\"}, {id:4,text:\"141414\"}, {id:5,text:\"15515\"}, ] allpage=7 nextpage=true; }else if(currentpage==4){ list=[ {id:1,text:\"161616\"}, {id:2,text:\"171717\"}, {id:3,text:\"181818\"}, {id:4,text:\"191919\"}, {id:5,text:\"202020\"}, ] allpage=7 nextpage=true; }else if(currentpage==5){ list=[ {id:1,text:\"2121\"}, {id:2,text:\"22222\"}, {id:3,text:\"232323\"}, {id:4,text:\"242424\"}, {id:5,text:\"252525\"}, ] allpage=7 nextpage=true; }else if(currentpage==6){ list=[ {id:1,text:\"2626\"}, {id:2,text:\"2727\"}, {id:3,text:\"2828\"}, {id:4,text:\"2929\"}, {id:5,text:\"3030\"}, ] allpage=7 nextpage=true; }else if(currentpage==7){ list=[ {id:1,text:\"3131\"}, {id:2,text:\"3232\"} ] allpage=7 nextpage=false; }; that.currentpage=currentpage; that.list=list; that.allpage=allpage; that.nextpage=nextpage; },200); } }, created:function(){ //模拟生成第一页数据 this.getajaxlist(1); } } </script> <style> ul{ list-style:none;} ull{ margin:100px auto; width:1000px;line-height:30px;} li{height:30px;} .l{float:left;width:300px;} .r{float:left;width:600px;} </style>
效果预览:
四.分页组件实现逻辑分析
我们分析一下如何实现我们的分页组件:
从分页组件考虑:
分页组件需要显示页数,那么就需要传递给分页组件总用多少页这个状态,
上一页和下一页存在不可用状态,在第一页上一页不可用,所以要把当前所在页数传递,同样页数的焦点位置也需要它判断,
然后就是方法,我们页数和按钮的点击都是发起请求,携带的参数就是当前点击的页数,
1.总页数,当前所在页,可在父组件传递进入
2.发起请求的方法可以通过组件交互通信实现
1的数据都是接口会返回给我们的,我们直接以属性传递即可:
2的实现也很简单,我们其实已经处理模拟使用过了:
我们只需要自定义事件,让分页组件$emit即可:
pageHome.vue:
<template> <div class=\"page\"> <p>//模拟ajax数据 1-7页</p> <ul class=\"ull\"> <li v-for=\"(item,index) in list\"><span class=\"l\">id:{{item.id}}</span> <span class=\"r\">内容:{{item.text}}</span></li> </ul> <divue-page v-bind:currentpage=\"currentpage\" v-bind:allpage=\"allpage\" v-on:getajaxlist=\"getajaxlist\"></divue-page> </div> </template> <script> export default { name: \'pageHome\', data () { return { currentpage:0, list: [], allpage:\"\", nextpage:false } }, methods:{ getajaxlist:function(currentpage){ var that=this; var list=[]; var allpage=\"\"; var nextpage=\"\"; //模拟ajax数据 1-7页 setTimeout(function(){ if(currentpage==1){ list=[ {id:1,text:\"111111\"}, {id:2,text:\"222222\"}, {id:3,text:\"3333333333\"}, {id:4,text:\"44444444444\"}, {id:5,text:\"555555555\"}, ] allpage=7 nextpage=true; }else if(currentpage==2){ list=[ {id:1,text:\"66666666\"}, {id:2,text:\"7777777777\"}, {id:3,text:\"8888888888\"}, {id:4,text:\"99999999999\"}, {id:5,text:\"101010\"}, ] allpage=7 nextpage=true; }else if(currentpage==3){ list=[ {id:1,text:\"111111111111111\"}, {id:2,text:\"121212\"}, {id:3,text:\"131313\"}, {id:4,text:\"141414\"}, {id:5,text:\"15515\"}, ] allpage=7 nextpage=true; }else if(currentpage==4){ list=[ {id:1,text:\"161616\"}, {id:2,text:\"171717\"}, {id:3,text:\"181818\"}, {id:4,text:\"191919\"}, {id:5,text:\"202020\"}, ] allpage=7 nextpage=true; }else if(currentpage==5){ list=[ {id:1,text:\"2121\"}, {id:2,text:\"22222\"}, {id:3,text:\"232323\"}, {id:4,text:\"242424\"}, {id:5,text:\"252525\"}, ] allpage=7 nextpage=true; }else if(currentpage==6){ list=[ {id:1,text:\"2626\"}, {id:2,text:\"2727\"}, {id:3,text:\"2828\"}, {id:4,text:\"2929\"}, {id:5,text:\"3030\"}, ] allpage=7 nextpage=true; }else if(currentpage==7){ list=[ {id:1,text:\"3131\"}, {id:2,text:\"3232\"} ] allpage=7 nextpage=false; }; that.currentpage=currentpage; that.list=list; that.allpage=allpage; that.nextpage=nextpage; },200); } }, created:function(){ //模拟生成第一页数据 this.getajaxlist(1); } } </script> <style> ul{ list-style:none;} ull{ margin:100px auto; width:1000px;line-height:30px;} li{height:30px;} .l{float:left;width:300px;} .r{float:left;width:600px;} </style>
五.分页组件逻辑编写
divuePage.vue我们接受了这些传递的内容,总页数和当前所在页,然后点击第一页触发自定义事件,传递给父组件一个1,获取第一页数据:
<template> <div class=\"DiReactPage\"> <div class=\"DiReactPage-btn\" v-on:click=\"clickFirst\">第一页</div> <div class=\"DiReactPage-btn disable\">上一页</div> <div class=\"DiReactPage-page\"> <span class=\"active\">1</span> <span>2</span> <span>3</span> <span>4</span> </div> <div class=\"DiReactPage-btn\">下一页</div> <div class=\"DiReactPage-btn\">最后一页</div> <div class=\"DiReactPage-btn\">总4页</div> <input class=\"DiReactPage-input\" type=\"text\" /> <button class=\"DiReactPage-btn\">跳转</button> </div> </template> <script> export default { name: \'divuePage\', props:[\"currentpage\",\"allpage\"], methods:{ clickFirst:function(){//点击第一页 this.$emit(\"getajaxlist\",1); } } } </script> <style> .DiReactPage{ height:30px; line-height:30px; text-align:center;} .DiReactPage .DiReactPage-btn{ display:inline-block; height:30px; line-height:30px; padding:0 5px; margin:0 5px; border-radius:4px; background:#09F; cursor:pointer;} .DiReactPage .DiReactPage-btn.disable{ background:#999;cursor:not-allowed;} .DiReactPage .DiReactPage-page{ display:inline-block; height:30px; line-height:30px; margin:0 20px;} .DiReactPage .DiReactPage-page span{display:inline-block; height:30px; line-height:30px; padding:0 5px; margin:0 5px; color:#000; cursor:pointer;} .DiReactPage .DiReactPage-page span.active{ color:#09F; } .DiReactPage .iReactPage-input{ width:100px; border:1px solid #666; border-radius:4px;height:30px; line-height:30px; } </style>
1.页数显示
我们的首要工作就是把页数显示出来,我们已经接收了总页数,其实这个问题很容易解决,我们设置一个计算属性,属性依据总页数生成一个数组,从1到n即可:
显示:
这样还不够健壮,还有一个就是总页数5做分界线,大于5就显示当前到后4个,
比如在第3页,显示:3 4 5 6 7
第2页,显示:2 3 4 5 6
好了我们加入一些小的逻辑判断:
我们要给当前页加一个类名标识,已经获取当前的页数了,我们加一个判断就可以了,在v-for中:
我们在加入点击事件,拿到点击的item就是要请求后台数据的参数page:
定义这个方法:
完整代码:
<template> <div class=\"DiReactPage\"> <div class=\"DiReactPage-btn\" v-on:click=\"clickFirst\">第一页</div> <div class=\"DiReactPage-btn disable\">上一页</div> <div class=\"DiReactPage-page\"> <span v-for=\"(item,index) in pages\" v-bind:class=\"{active:currentpage==item}\" v-on:click=\"clickCurrent(item)\">{{item}}</span> </div> <div class=\"DiReactPage-btn\">下一页</div> <div class=\"DiReactPage-btn\">最后一页</div> <div class=\"DiReactPage-btn\">总4页</div> <input class=\"DiReactPage-input\" type=\"text\" /> <button class=\"DiReactPage-btn\">跳转</button> </div> </template> <script> export default { name: \'divuePage\', computed:{ pages:function(){ var arr=[]; if(this.allpage>5){ if(this.currentpage+5>this.allpage){ for(var i=this.currentpage;i<=this.allpage;i++){ arr.push(i); }; }else{ for(var i=this.currentpage;i<this.currentpage+5;i++){ arr.push(i); }; }; }else{ for(var i=1;i<=this.allpage;i++){ arr.push(i); }; } return arr; } }, props:[\"currentpage\",\"allpage\"], methods:{ clickFirst:function(){//点击第一页 this.$emit(\"getajaxlist\",1); }, clickCurrent:function(item){ this.$emit(\"getajaxlist\",item); } } } </script> <style> .DiReactPage{ height:30px; line-height:30px; text-align:center;} .DiReactPage .DiReactPage-btn{ display:inline-block; height:30px; line-height:30px; padding:0 5px; margin:0 5px; border-radius:4px; background:#09F; cursor:pointer;} .DiReactPage .DiReactPage-btn.disable{ background:#999;cursor:not-allowed;} .DiReactPage .DiReactPage-page{ display:inline-block; height:30px; line-height:30px; margin:0 20px;} .DiReactPage .DiReactPage-page span{display:inline-block; height:30px; line-height:30px; padding:0 5px; margin:0 5px; color:#000; cursor:pointer;} .DiReactPage .DiReactPage-page span.active{ color:#09F; } .DiReactPage .iReactPage-input{ width:100px; border:1px solid #666; border-radius:4px;height:30px; line-height:30px; } </style>
效果测试:
2.第一页和最后一页处理
这个很简单,只是传递page参数,我们已经获取总页数,直接设置即可!
3.上一页和下一页处理
这个对比第一页需要加入特殊的处理,当前是第一页,这个按钮就不可用状态,下一页一样的逻辑判断当前是不是在最后一页:
调用位置加入事件,在加一个是否可用的类名:
全部代码:
<template> <div class=\"DiReactPage\"> <div class=\"DiReactPage-btn\" v-on:click=\"clickFirst\">第一页</div> <div class=\"DiReactPage-btn\" v-on:click=\"clickPrev\" v-bind:class=\"{disable:currentpage==1}\">上一页</div> <div class=\"DiReactPage-page\"> <span v-for=\"(item,index) in pages\" v-bind:class=\"{active:currentpage==item}\" v-on:click=\"clickCurrent(item)\">{{item}}</span> </div> <div class=\"DiReactPage-btn\" v-on:click=\"clickNext\" v-bind:class=\"{disable:currentpage==allpage}\">下一页</div> <div class=\"DiReactPage-btn\" v-on:click=\"clickLast\">最后一页</div> <div class=\"DiReactPage-btn\">总4页</div> <input class=\"DiReactPage-input\" type=\"text\" /> <button class=\"DiReactPage-btn\">跳转</button> </div> </template> <script> export default { name: \'divuePage\', computed:{ pages:function(){ var arr=[]; if(this.allpage>5){ if(this.currentpage+5>this.allpage){ for(var i=this.currentpage;i<=this.allpage;i++){ arr.push(i); }; }else{ for(var i=this.currentpage;i<this.currentpage+5;i++){ arr.push(i); }; }; }else{ for(var i=1;i<=this.allpage;i++){ arr.push(i); }; } return arr; } }, props:[\"currentpage\",\"allpage\"], methods:{ clickFirst:function(){//点击第一页 this.$emit(\"getajaxlist\",1); }, clickCurrent:function(item){ this.$emit(\"getajaxlist\",item); }, clickLast:function(){//点击最后一页 this.$emit(\"getajaxlist\",this.allpage); }, clickPrev:function(){//点击上一页 if(this.currentpage-1<1){ return false; } this.$emit(\"getajaxlist\",this.currentpage-1); }, clickNext:function(){//点击下一页 if(this.currentpage+1>this.allpage){ return false; } this.$emit(\"getajaxlist\",this.currentpage+1); } } } </script> <style> .DiReactPage{ height:30px; line-height:30px; text-align:center;} .DiReactPage .DiReactPage-btn{ display:inline-block; height:30px; line-height:30px; padding:0 5px; margin:0 5px; border-radius:4px; background:#09F; cursor:pointer;} .DiReactPage .DiReactPage-btn.disable{ background:#999;cursor:not-allowed;} .DiReactPage .DiReactPage-page{ display:inline-block; height:30px; line-height:30px; margin:0 20px;} .DiReactPage .DiReactPage-page span{display:inline-block; height:30px; line-height:30px; padding:0 5px; margin:0 5px; color:#000; cursor:pointer;} .DiReactPage .DiReactPage-page span.active{ color:#09F; } .DiReactPage .iReactPage-input{ width:100px; border:1px solid #666; border-radius:4px;height:30px; line-height:30px; } </style>
效果测试:
4.跳页处理
这个我们获取输入框的值,直接调用,不过对输入的内容必须有一些判断限制:
加一个data:
使用位置:
5.显示总页数
这个是最简单的:
六.分页全部代码和测试
divuePage.vue:
<template> <div class=\"DiReactPage\"> <div class=\"DiReactPage-btn\" v-on:click=\"clickFirst\">第一页</div> <div class=\"DiReactPage-btn\" v-on:click=\"clickPrev\" v-bind:class=\"{disable:currentpage==1}\">上一页</div> <div class=\"DiReactPage-page\"> <span v-for=\"(item,index) in pages\" v-bind:class=\"{active:currentpage==item}\" v-on:click=\"clickCurrent(item)\">{{item}}</span> </div> <div class=\"DiReactPage-btn\" v-on:click=\"clickNext\" v-bind:class=\"{disable:currentpage==allpage}\">下一页</div> <div class=\"DiReactPage-btn\" v-on:click=\"clickLast\">最后一页</div> <div class=\"DiReactPage-btn\">总{{allpage}}页</div> <input class=\"DiReactPage-input\" type=\"text\" v-model=\"skipvalue\" /> <button class=\"DiReactPage-btn\" v-on:click=\"clickSkip\">跳转</button> </div> </template> <script> export default { name: \'divuePage\', computed:{ pages:function(){ var arr=[]; if(this.allpage>5){ if(this.currentpage+5>this.allpage){ for(var i=this.currentpage;i<=this.allpage;i++){ arr.push(i); }; }else{ for(var i=this.currentpage;i<this.currentpage+5;i++){ arr.push(i); }; }; }else{ for(var i=1;i<=this.allpage;i++){ arr.push(i); }; } return arr; } }, data:function(){ return { skipvalue:\"\" } }, props:[\"currentpage\",\"allpage\"], methods:{ clickFirst:function(){//点击第一页 this.$emit(\"getajaxlist\",1); }, clickCurrent:function(item){ this.$emit(\"getajaxlist\",item); }, clickLast:function(){//点击最后一页 this.$emit(\"getajaxlist\",this.allpage); }, clickPrev:function(){//点击上一页 if(this.currentpage-1<1){ return false; } this.$emit(\"getajaxlist\",this.currentpage-1); }, clickNext:function(){//点击下一页 if(this.currentpage+1>this.allpage){ return false; } this.$emit(\"getajaxlist\",this.currentpage+1); }, clickSkip:function(){//点击下一页 if(isNaN(this.skipvalue)){ console.log(\"必须是数字\") return false; } if(this.skipvalue<1 || this.skipvalue>this.allpage){ console.log(\"超过范围\") return false; } this.$emit(\"getajaxlist\",this.skipvalue); } } } </script> <style> .DiReactPage{ height:30px; line-height:30px; text-align:center;} .DiReactPage .DiReactPage-btn{ display:inline-block; height:30px; line-height:30px; padding:0 5px; margin:0 5px; border-radius:4px; background:#09F; cursor:pointer;} .DiReactPage .DiReactPage-btn.disable{ background:#999;cursor:not-allowed;} .DiReactPage .DiReactPage-page{ display:inline-block; height:30px; line-height:30px; margin:0 20px;} .DiReactPage .DiReactPage-page span{display:inline-block; height:30px; line-height:30px; padding:0 5px; margin:0 5px; color:#000; cursor:pointer;} .DiReactPage .DiReactPage-page span.active{ color:#09F; } .DiReactPage .iReactPage-input{ width:100px; border:1px solid #666; border-radius:4px;height:30px; line-height:30px; } </style>
我们现在在pageHome.vue做了使用,这个模拟数据包含7页,我们在另外两个组件也使用分页组件,测试小于5页和只有1页的效果:
<divue-page v-bind:currentpage=\"currentpage\" v-bind:allpage=\"allpage\" v-on:getajaxlist=\"getajaxlist\"></divue-page>
直接粘贴就可以在另外的组件使用。
只有1页:
小于5页:
测试没有太大问题!
七.优化和改进建议
当然不是样式的优化,这个需要设计的参与,我们还是显示的优化和改进,比如:
我们是不是该有一个…
还有就是…
可以参考别的分页效果,然后你可以不断的改进!
八.完整代码
main.js:
import Vue from \'vue\' import App from \'./App.vue\' import VueRouter from \'vue-router\' import pageHome from \'./pageHome.vue\' import pageNews from \'./pageNews.vue\' import pageInfo from \'./pageInfo.vue\' //注册组件 import divuePage from \'./divuePage.vue\' Vue.component(\'divue-page\', divuePage) //路由配置 Vue.use(VueRouter); var routes = [ { path: \'/\', component: pageHome}, { path: \'/pageNews\', component: pageNews}, { path: \'/pageInfo\', component: pageInfo} ] var router = new VueRouter({ routes: routes // (缩写)相当于 routes: routes }) new Vue({ el: \'#app\', router, render: h => h(App) })
App.vue:
<template> <div id=\"app\"> <h3>{{msg}}</h3> <ul> <li><router-link to=\"/\">pageHome</router-link></li> <li><router-link to=\"/pageNews\">pageNews</router-link></li> <li><router-link to=\"/pageInfo\">pageInfo</router-link></li> </ul> <div> <router-view></router-view> </div> </div> </template> <script> export default { name: \'app\', data () { return { msg: \'分页组件:DiVuePage \' } } } </script> <style> #app { font-family: \'Avenir\', Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-align: center; color: #2c3e50; margin-top: 60px; } </style>
divuePage.vue:
<template> <div class=\"DiReactPage\"> <div class=\"DiReactPage-btn\" v-on:click=\"clickFirst\">第一页</div> <div class=\"DiReactPage-btn\" v-on:click=\"clickPrev\" v-bind:class=\"{disable:currentpage==1}\">上一页</div> <div class=\"DiReactPage-page\"> <span v-for=\"(item,index) in pages\" v-bind:class=\"{active:currentpage==item}\" v-on:click=\"clickCurrent(item)\">{{item}}</span> </div> <div class=\"DiReactPage-btn\" v-on:click=\"clickNext\" v-bind:class=\"{disable:currentpage==allpage}\">下一页</div> <div class=\"DiReactPage-btn\" v-on:click=\"clickLast\">最后一页</div> <div class=\"DiReactPage-btn\">总{{allpage}}页</div> <input class=\"DiReactPage-input\" type=\"text\" v-model=\"skipvalue\" /> <button class=\"DiReactPage-btn\" v-on:click=\"clickSkip\">跳转</button> </div> </template> <script> export default { name: \'divuePage\', computed:{ pages:function(){ var arr=[]; if(this.allpage>5){ if(this.currentpage+5>this.allpage){ for(var i=this.currentpage;i<=this.allpage;i++){ arr.push(i); }; }else{ for(var i=this.currentpage;i<this.currentpage+5;i++){ arr.push(i); }; }; }else{ for(var i=1;i<=this.allpage;i++){ arr.push(i); }; } return arr; } }, data:function(){ return { skipvalue:\"\" } }, props:[\"currentpage\",\"allpage\"], methods:{ clickFirst:function(){//点击第一页 this.$emit(\"getajaxlist\",1); }, clickCurrent:function(item){ this.$emit(\"getajaxlist\",item); }, clickLast:function(){//点击最后一页 this.$emit(\"getajaxlist\",this.allpage); }, clickPrev:function(){//点击上一页 if(this.currentpage-1<1){ return false; } this.$emit(\"getajaxlist\",this.currentpage-1); }, clickNext:function(){//点击下一页 if(this.currentpage+1>this.allpage){ return false; } this.$emit(\"getajaxlist\",this.currentpage+1); }, clickSkip:function(){//点击下一页 if(isNaN(this.skipvalue)){ console.log(\"必须是数字\") return false; } if(this.skipvalue<1 || this.skipvalue>this.allpage){ console.log(\"超过范围\") return false; } this.$emit(\"getajaxlist\",this.skipvalue); } } } </script> <style> .DiReactPage{ height:30px; line-height:30px; text-align:center;} .DiReactPage .DiReactPage-btn{ display:inline-block; height:30px; line-height:30px; padding:0 5px; margin:0 5px; border-radius:4px; background:#09F; cursor:pointer;} .DiReactPage .DiReactPage-btn.disable{ background:#999;cursor:not-allowed;} .DiReactPage .DiReactPage-page{ display:inline-block; height:30px; line-height:30px; margin:0 20px;} .DiReactPage .DiReactPage-page span{display:inline-block; height:30px; line-height:30px; padding:0 5px; margin:0 5px; color:#000; cursor:pointer;} .DiReactPage .DiReactPage-page span.active{ color:#09F; } .DiReactPage .iReactPage-input{ width:100px; border:1px solid #666; border-radius:4px;height:30px; line-height:30px; } </style>
pageHome.vue:
<template> <div class=\"page\"> <p>//模拟ajax数据 1-7页</p> <ul class=\"ull\"> <li v-for=\"(item,index) in list\"><span class=\"l\">id:{{item.id}}</span> <span class=\"r\">内容:{{item.text}}</span></li> </ul> <divue-page v-bind:currentpage=\"currentpage\" v-bind:allpage=\"allpage\" v-on:getajaxlist=\"getajaxlist\"></divue-page> </div> </template> <script> export default { name: \'pageHome\', data () { return { currentpage:0, list: [], allpage:\"\", nextpage:false } }, methods:{ getajaxlist:function(currentpage){ var that=this; var list=[]; var allpage=\"\"; var nextpage=\"\"; //模拟ajax数据 1-7页 setTimeout(function(){ if(currentpage==1){ list=[ {id:1,text:\"111111\"}, {id:2,text:\"222222\"}, {id:3,text:\"3333333333\"}, {id:4,text:\"44444444444\"}, {id:5,text:\"555555555\"}, ] allpage=7 nextpage=true; }else if(currentpage==2){ list=[ {id:1,text:\"66666666\"}, {id:2,text:\"7777777777\"}, {id:3,text:\"8888888888\"}, {id:4,text:\"99999999999\"}, {id:5,text:\"101010\"}, ] allpage=7 nextpage=true; }else if(currentpage==3){ list=[ {id:1,text:\"111111111111111\"}, {id:2,text:\"121212\"}, {id:3,text:\"131313\"}, {id:4,text:\"141414\"}, {id:5,text:\"15515\"}, ] allpage=7 nextpage=true; }else if(currentpage==4){ list=[ {id:1,text:\"161616\"}, {id:2,text:\"171717\"}, {id:3,text:\"181818\"}, {id:4,text:\"191919\"}, {id:5,text:\"202020\"}, ] allpage=7 nextpage=true; }else if(currentpage==5){ list=[ {id:1,text:\"2121\"}, {id:2,text:\"22222\"}, {id:3,text:\"232323\"}, {id:4,text:\"242424\"}, {id:5,text:\"252525\"}, ] allpage=7 nextpage=true; }else if(currentpage==6){ list=[ {id:1,text:\"2626\"}, {id:2,text:\"2727\"}, {id:3,text:\"2828\"}, {id:4,text:\"2929\"}, {id:5,text:\"3030\"}, ] allpage=7 nextpage=true; }else if(currentpage==7){ list=[ {id:1,text:\"3131\"}, {id:2,text:\"3232\"} ] allpage=7 nextpage=false; }; that.currentpage=currentpage; that.list=list; that.allpage=allpage; that.nextpage=nextpage; },200); } }, created:function(){ //模拟生成第一页数据 this.getajaxlist(1); } } </script> <style> ul{ list-style:none;} ull{ margin:100px auto; width:1000px;line-height:30px;} li{height:30px;} .l{float:left;width:300px;} .r{float:left;width:600px;} </style>
pageInfo.vue:
<template> <div class=\"page\"> <p>//模拟ajax数据 1-3页</p> <ul class=\"ull\"> <li v-for=\"(item,index) in list\"><span class=\"l\">id:{{item.id}}</span> <span class=\"r\">内容:{{item.text}}</span></li> </ul> <divue-page v-bind:currentpage=\"currentpage\" v-bind:allpage=\"allpage\" v-on:getajaxlist=\"getajaxlist\"></divue-page> </div> </template> <script> export default { name: \'pageInfo\', data () { return { currentpage:0, list: [], allpage:\"\", nextpage:false } }, methods:{ getajaxlist:function(currentpage){ var that=this; var list=[]; var allpage=\"\"; var nextpage=\"\"; //模拟ajax数据 1-3页 setTimeout(function(){ if(currentpage==1){ list=[ {id:1,text:\"111111\"}, {id:2,text:\"222222\"}, {id:3,text:\"3333333333\"}, {id:4,text:\"44444444444\"}, {id:5,text:\"555555555\"}, ] allpage=3 nextpage=true; }else if(currentpage==2){ list=[ {id:1,text:\"66666666\"}, {id:2,text:\"7777777777\"}, {id:3,text:\"8888888888\"}, {id:4,text:\"99999999999\"}, {id:5,text:\"101010\"}, ] allpage=3 nextpage=true; }else if(currentpage==3){ list=[ {id:1,text:\"111111111111111\"}, {id:2,text:\"121212\"}, {id:3,text:\"131313\"}, {id:4,text:\"141414\"}, {id:5,text:\"15515\"}, ] allpage=3 nextpage=false; } that.currentpage=currentpage; that.list=list; that.allpage=allpage; that.nextpage=nextpage; },200); } }, created:function(){ //模拟生成第一页数据 this.getajaxlist(1); } } </script> <style> ul{ list-style:none;} ull{ margin:100px auto; width:1000px;line-height:30px;} li{height:30px;} .l{float:left;width:300px;} .r{float:left;width:600px;} </style>
pageNews.vue:
<template> <div class=\"page\"> <p>模拟ajax数据 1页</p> <ul class=\"ull\"> <li v-for=\"(item,index) in list\"><span class=\"l\">id:{{item.id}}</span> <span class=\"r\">内容:{{item.text}}</span></li> </ul> <divue-page v-bind:currentpage=\"currentpage\" v-bind:allpage=\"allpage\" v-on:getajaxlist=\"getajaxlist\"></divue-page> </div> </template> <script> export default { name: \'pageNews\', data () { return { currentpage:0, list: [], allpage:\"\", nextpage:false } }, methods:{ getajaxlist:function(currentpage){ var that=this; var list=[]; var allpage=\"\"; var nextpage=\"\"; //模拟ajax数据 1页 setTimeout(function(){ if(currentpage==1){ list=[ {id:1,text:\"111111\"}, {id:2,text:\"222222\"}, {id:3,text:\"3333333333\"} ] allpage=1 nextpage=false; } that.currentpage=currentpage; that.list=list; that.allpage=allpage; that.nextpage=nextpage; },200); } }, created:function(){ //模拟生成第一页数据 this.getajaxlist(1); } } </script> <style> ul{ list-style:none;} ull{ margin:100px auto; width:1000px;line-height:30px;} li{height:30px;} .l{float:left;width:300px;} .r{float:left;width:600px;} </style>
以上所述是小编给大家介绍的Vue.js分页组件实现:diVuePagination的使用详解,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对网站的支持!
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