ElementUI案例演示:导航、布局、加载动画

知识点

1.vue-router之嵌套路由 
http://router.vuejs.org/zh-cn/essentials/nested-routes.html 

2.element-ui 

导航组件、布局组件、加载动画 
http://element.eleme.io/#/zh-CN/component/menu 
http://element.eleme.io/#/zh-CN/component/layout 
http://element.eleme.io/#/zh-CN/component/loading


 


 

el-nav.vue:

<template>
<el-menu theme="dark" default-active="1" class="el-menu-demo" mode="horizontal" :router="true">
<el-menu-item index="/elindex/hot">处理中心</el-menu-item>
<el-submenu index="2">
<template slot="title">我的工作台</template>
<el-menu-item index="2-1">选项1</el-menu-item>
<el-menu-item index="2-2">选项2</el-menu-item>
<el-menu-item index="2-3">选项3</el-menu-item>
</el-submenu>
<el-menu-item index="3">订单管理</el-menu-item>
</el-menu>
</template>

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el-index:

<template>
<div>
<el-row>
<el-col :span="24"><div class="grid-content bg-purple-dark"></div></el-col>
<!--使用组件-->
<elnav></elnav>
</el-row>
<!--嵌套路由-->
<router-view></router-view>
</div>
</template>

<script>
// 引入elmenetui的导航组件
import elnav from "./el-nav.vue";

export default {
//加载组件
components:{elnav}
}
</script>

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el-hot.vue:

<template>
<div>
<el-row v-for="hotNews in this.$store.state.ele.hot" justify="start" :gutter="2" align="middle">
<el-col :span="6">
<div class="grid-content bg-purple-dark hotimg">
<img :src="hotNews.image"/>
</div>
</el-col>
<el-col :span="18">
<div class="grid-content bg-purple-dark hotcontent">
<h2>{{hotNews.title}}</h2>
<p>{{hotNews.desc}}</p>
</div>
</el-col>
</el-row>
</div>
</template>

<script>
export default{
mounted(){
this.$store.dispatch("getHot");
},
data(){
return {msg:"hello vue"}
}
}
</script>

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eleModule.js:

import Vue from "vue";
export default{
state:{
hot:[] //用来装请求回来的数据
},
mutations:{
//写个方法给hot数组设置数据
setHot(state, data){
state.hot = data;
}
},
actions:{
//写个方法,做http请求
getHot(content){
//loading效果
let loading = Vue.prototype.$loading({text:"玩命加载中..."});

Vue.http.get("http://localhost/eleui.php",{},{emulateJSON:true})
.then(
function (res) { //请求成功的回调函数
//先结束loading效果
loading.close();
//调用设置hot数据的方法,把请求成功的数据给hot数组
content.commit("setHot",res.body);
},function(){}
);
}
}
}

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入口文件jssrc/index.js:

import Vue from "vue";

import pagenav from "./../components/page-nav.vue";
import newsdetail from "./../components/news-detail.vue";

// 引入
import validate from "./../components/validate";
// 使用
Vue.use(validate);

import VueRouter from 'vue-router';
Vue.use(VueRouter); // 全局使用插件

import VueResource from 'vue-resource';
Vue.use(VueResource);

import UserModule from "./../store/modules/UserModule";
import NewsModule from "./../store/modules/NewsModule";
import EleModule from "./../store/modules/eleModule";

import Vuex from 'vuex';
Vue.use(Vuex);

import ElementUI from 'element-ui';
import 'element-ui/lib/theme-default/index.css';
Vue.use(ElementUI);

import eltable from "./../components/el-table.vue";
import elindex from "./../components/elmentui/el-index.vue";
import elhot from "./../components/elmentui/el-hot.vue";

const  vuex_store = new Vuex.Store({
modules:{
users:UserModule,
news:NewsModule,
ele:EleModule
}
})

const userlogin = resolve => {
// 成功之后的回调
resolve(require("./../components/user-login.vue")); // 这就是异步加载的方式
}

const newslist = resolve => {
// 成功之后的回调
resolve(require("./../components/news-list.vue")); // 这就是异步加载的方式
}

const routerConfig = new VueRouter({
routes: [
{ path: '/', component: userlogin},
{ path: '/news', component: newslist, name:"newslist"},
{ path: '/news/:newsid', component: newsdetail, name:"newsdetail"},
{ path: '/login', component: userlogin,name:"userlogin" },
{ path: '/eltable', component: eltable,name:"eltable" },
{ path: '/elindex', component: elindex,name:"elindex", children:[
{path:"hot",component:elhot,name:"elhot"}
]}
]
})

// 全局组件,不加入路由管理
Vue.component("page-nav",pagenav);

let myvue = new Vue({
el:".container",
store:vuex_store, //注入到vue
router:routerConfig,
});

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代码分析

1、ele-nav导航组件 是嵌套在 ele-index组件里的，ele-index里加载导航组件

import elnav from "./el-nav.vue";
components:{elnav}

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<!--使用组件-->
<elnav></elnav>

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2、创建了eleModule模块之后，需要在入库文件里加载

//引入
import EleModule from "./../store/modules/eleModule";
// 使用
const  vuex_store = new Vuex.Store({
modules:{
users:UserModule,
news:NewsModule,
ele:EleModule
}
})

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3、给ele配置路由

// 引入
import elindex from "./../components/elmentui/el-index.vue";
import elhot from "./../components/elmentui/el-hot.vue";

// 配置
const routerConfig = new VueRouter({
routes: [
{ path: '/', component: userlogin},
{ path: '/news', component: newslist, name:"newslist"},
{ path: '/news/:newsid', component: newsdetail, name:"newsdetail"},
{ path: '/login', component: userlogin,name:"userlogin" },
{ path: '/eltable', component: eltable,name:"eltable" },
{ path: '/elindex', component: elindex,name:"elindex", children:[
{path:"hot",component:elhot,name:"elhot"}
]}
]
})

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这里用到了嵌套路由：

{ path: '/elindex', component: elindex,name:"elindex", children:[
{path:"hot",component:elhot,name:"elhot"}
]}

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嵌套路由在组件里也需要配合：

<!--嵌套路由-->
<router-view></router-view>

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/elindex/hot

效果演示

 
PHP代码:

<?php

// 指定允许其他域名访问
header('Access-Control-Allow-Origin:*');
// 响应类型
header('Access-Control-Allow-Methods:GET');
header('Access-Control-Allow-Headers:x-requested-with,content-type');
//测试数据
header("content-type:application/json"); //这句话TM很重要哦，否则到前端获取时 只是普通字符串，不会自动识别

$data=[
["title"=>"SpaceX发射重启计划推迟 明年1月发射一箭十星","desc"=>"今年9月1日，搭载有以色列Amos-6通信卫星的猎鹰9号火箭，在东海岸佛罗里达州卡纳维拉尔角40号发射台进行静态点火测试前准备工作时突然起火爆炸，火箭连同价值2亿美元的Amos-6通信卫星一并被炸毁，40号发射台也需要进行大修，随后SpaceX公司被暂停了所有发射。","image"=>"http://inews.gtimg.com/newsapp_ls/0/884972898_300240/0"],
["title"=>"iPhone炸完iPad炸 苹果要重蹈三星覆辙？","desc"=>"宁波林先生怎么也没想到，这么悲催的事情居然发生在自己头上：他用了一年多的iPad半夜在充电时爆炸了，不仅写字台被炸开了一个洞，iPad零件更是炸得整个房间到处都是。” ","image"=>"http://inews.gtimg.com/newsapp_ls/0/884809358_300240/0"],
["title"=>"遭唱衰的苹果接连公布利好：AppStore上月营收创纪录","desc"=>"腾讯科技讯 目前的苹果，已经进入了库克接手之后最困难的阶段，几乎全部电子产品销售出现同比下跌，财年收入出现了十多年来首次下滑。另外今年推出的新手机也遭遇了类似去年的低迷命运。” ","image"=>"http://inews.gtimg.com/newsapp_ls/0/885233382_300240/0"]
];

sleep(2); //模拟网速很卡
echo json_encode($data,JSON_UNESCAPED_UNICODE);//精选

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