3、完成基础前后台分类的数据展示类网站
封装导航栏Nav小组件，完成各页面的跳转，在需要导航栏的页面中渲染Nav小组件
在主页Home组件中，写一个轮播图(bs和element都要提供)，完成后台数据的轮播展示
将汽车主页数据渲染以及详情页数据渲染的数据，都放在后台（用mysql数据库存储），完成后台数据的渲染，前台父子组件以及组件间的传参
前端
vue main.js
import Vue from 'vue'
import App from './App.vue'
import router from './router'
import store from './store'
Vue.config.productionTip = false;
//全局css
require('@/assets/css/global.css');
//全局js
import settings from '@/assets/js/settings'
Vue.prototype.$settings=settings
//配置axios
import axios from 'axios'
Vue.prototype.$axios=axios;
//配置element-ui
import ElementUI from 'element-ui'
import 'element-ui/lib/theme-chalk/index.css'
Vue.use(ElementUI);
//配置bootstrap,前提是配置jQuery
import 'bootstrap'
import 'bootstrap/dist/css/bootstrap.css'
//或者
// import Bootstrap from'bootstrap'
// import 'bootstrap/dist/css/bootstrap.css'
// Vue.use(Bootstrap)
new Vue({
router,
store,
render: h => h(App)
}).$mount('#app')
vue CarTag.vue 小组件
<template>
<div class="car-tag">
<router-link :to="`/car/detail/${car.id}`">
<img :src="car.img" alt="">
<h4>
<span>{{ car.title }}</span>
</h4>
</router-link>
</div>
</template>
<script>
export default {
name: "CarTag",
props:['car']
}
</script>
<style scoped>
.car-tag {
border-radius: 10px;
overflow: hidden;
200px;
height: 320px;
float: left;
margin-right: 25px;
margin-bottom: 25px;
background-color: beige;
cursor: pointer;
}
.car-tag a.router-link-active {
display: block;
}
.car-tag:nth-child(5n) { /* 每五个car-tag右边距为0*/
margin-right: 0;
}
.car-tag img {
height: 280px;
100%;
}
.car-tag h4 {
margin: 5px auto;
text-align: center;
}
</style>
vue Nav.vue小组件
<template>
<div class="nav">
<ul>
<li>
<router-link to="/">主 页</router-link>
</li>
<li>
<router-link to="/car">汽 车</router-link>
</li>
</ul>
</div>
</template>
<script>
export default {
name: "Nav"
}
</script>
<style scoped>
.nav {
height: 60px;
background-color: aqua;
}
.nav ul {
1100px;
margin: 0 auto;
}
.nav li {
float: left;
padding: 15px 20px 0;
}
.nav a {
border-bottom: 3px solid transparent;
padding: 1px;
}
.nav a.router-link-exact-active {
color: darkblue;
border-bottom-color: orange;
}
</style>
vue Home.vue 页面
<template>
<div class="home">
<Nav></Nav>
<h1>
<span @click="goCarPage">欢迎来到汽车系统</span>
</h1>
<div class="block">
<span class="demonstration">默认 Hover 指示器触发</span>
<el-carousel height="320px" >
<el-carousel-item v-for="item in cars" :key="item">
<div style="height: 320px; 200px;margin: auto">
<img :src="item.img" alt="" style=" 100%">
</div>
</el-carousel-item>
</el-carousel>
</div>
</div>
</template>
<script>
import Nav from '../components/Nav'
export default {
name: "Home",
components: {
Nav
},
data() {
return {
cars:[]
}
},
methods: {
goCarPage() {
if (this.$router.path !== '/car') {
this.$router.push('/car')
}
}
},
created() {
this.$axios({
url: this.$settings.base_url + '/get_cars/',
method: 'post',
}).then(response => {
this.cars = response.data;
}).catch(error => {//网络状态码为4xx 5xx
console.log('异常', error.response)
})
}
}
</script>
<style scoped>
h1 {
text-align: center;
margin-top: 60px;
}
h1 sapn {
cursor: pointer;
font: bold 60px/70px 'STSong';
}
.el-carousel__item h3 {
color: #475669;
font-size: 14px;
opacity: 0.75;
line-height: 150px;
margin: 0;
}
.block {
800px;
margin: auto;
}
.el-carousel__item:nth-child(2n) {
background-color: #99a9bf;
}
.el-carousel__item:nth-child(2n+1) {
background-color: #d3dce6;
}
</style>
vue Car.vue 页面
<template>
<div class="home">
<Nav></Nav>
<h1>
<span @click="goCarPage">欢迎来到汽车系统</span>
</h1>
<div class="block">
<span class="demonstration">默认 Hover 指示器触发</span>
<el-carousel height="320px" >
<el-carousel-item v-for="item in cars" :key="item">
<div style="height: 320px; 200px;margin: auto">
<img :src="item.img" alt="" style=" 100%">
</div>
</el-carousel-item>
</el-carousel>
</div>
</div>
</template>
<script>
import Nav from '../components/Nav'
export default {
name: "Home",
components: {
Nav
},
data() {
return {
cars:[]
}
},
methods: {
goCarPage() {
if (this.$router.path !== '/car') {
this.$router.push('/car')
}
}
},
created() {
this.$axios({
url: this.$settings.base_url + '/get_cars/',
method: 'post',
}).then(response => {
this.cars = response.data;
}).catch(error => {//网络状态码为4xx 5xx
console.log('异常', error.response)
})
}
}
</script>
<style scoped>
h1 {
text-align: center;
margin-top: 60px;
}
h1 sapn {
cursor: pointer;
font: bold 60px/70px 'STSong';
}
.el-carousel__item h3 {
color: #475669;
font-size: 14px;
opacity: 0.75;
line-height: 150px;
margin: 0;
}
.block {
800px;
margin: auto;
}
.el-carousel__item:nth-child(2n) {
background-color: #99a9bf;
}
.el-carousel__item:nth-child(2n+1) {
background-color: #d3dce6;
}
</style>
vue CarDetail.vue页面
<template>
<div class="car-detail">
<h1>详情</h1>
<div v-if="car.msg">
<h1>{{ car.msg }}</h1>
</div>
<div v-else-if="car.id">
<img :src="car.img" alt="">
<h2>{{ car.title }}</h2>
<h3>{{ car.price }}</h3>
<h3>{{ car.info }}</h3>
</div>
</div>
</template>
<script>
export default {
name: "CarDetail",
data() {
return {
car: {}
}
},
created() {
//拿到路由传递来的car主键
let pk = this.$route.query.pk || this.$route.params.pk;
//主键不存在，就直接结束方法
if (!pk) return false;
console.log(pk);
//主键存在才请求后台
this.$axios({
url: this.$settings.base_url + `/get_car/${pk}/`,
}).then(response => {
this.car = response.data
}).catch(error => {
console.log(error.response)
})
}
}
</script>
<style scoped>
</style>
vue app.vue 页面
<template>
<div id="app">
<router-view/>
</div>
</template>
后端
django urls.py
from django.views.static import serve
from django.conf import settings
urlpatterns = [
url(r'^admin/', admin.site.urls),
url(r'^get_cars/$', views.get_cars),
url(r'^get_car/(?P<pk>d+)/$', views.get_car),
url(r'^media/(?P<path>.*)',serve,{'document_root':settings.MEDIA_ROOT})
]
django views.py
from django.shortcuts import render,redirect,HttpResponse
from django.http import JsonResponse
from . import models
from django.conf import settings
# Create your views here.
def get_cars(request,*args,**kwargs):
# print(request.method)
# return JsonResponse({'msg':'get ok'})
car_query=models.Car.objects.values('id','title','img')
car_list=list(car_query)
for car in car_list:
car['img']='%s%s%s'%('http://localhost:8000',settings.MEDIA_URL,str(car.get('img')))
return JsonResponse(car_list,safe=False)
def get_car(request,*args,**kwargs):
pk=kwargs.get('pk')
car_obj=models.Car.objects.filter(pk=pk).values('id','title','img','price','info').first()
print(car_obj)
if car_obj:
car_obj['img']='%s%s%s'%('http://localhost:8000',settings.MEDIA_URL,str(car_obj.get('img')))
return JsonResponse(car_obj,json_dumps_params={'ensure_ascii':False})
return JsonResponse({'msg':'数据不存在'})
django models.py
from django.db import models
# Create your models here.
class Car(models.Model):
title=models.CharField(max_length=64)
price=models.DecimalField(max_digits=11,decimal_places=2)
img=models.ImageField(upload_to='car',default='defult.jpg')
info=models.TextField()
class Meta:
db_table='old_boy_car' #修改数据库表名
verbose_name='汽车'
verbose_name_plural=verbose_name
def __str__(self):
return self.title