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;

width: 200px;

height: 320px;

float: left;

margin-right: 25px;

margin-bottom: 25px;

background-color: beige;

cursor: pointer;

}


<span class="hljs-selector-class">.car-tag</span> <span class="hljs-selector-tag">a</span><span class="hljs-selector-class">.router-link-active</span> {
    <span class="hljs-attribute">display</span>: block;
}

<span class="hljs-selector-class">.car-tag</span><span class="hljs-selector-pseudo">:nth-child(5n)</span> {  <span class="hljs-comment">/* 每五个car-tag右边距为0*/</span>
    <span class="hljs-attribute">margin-right</span>: <span class="hljs-number">0</span>;
}

<span class="hljs-selector-class">.car-tag</span> <span class="hljs-selector-tag">img</span> {
    <span class="hljs-attribute">height</span>: <span class="hljs-number">280px</span>;
    <span class="hljs-attribute">width</span>: <span class="hljs-number">100%</span>;
}

<span class="hljs-selector-class">.car-tag</span> <span class="hljs-selector-tag">h4</span> {
    <span class="hljs-attribute">margin</span>: <span class="hljs-number">5px</span> auto;
    <span class="hljs-attribute">text-align</span>: 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;

}


<span class="hljs-selector-class">.nav</span> <span class="hljs-selector-tag">ul</span> {
    <span class="hljs-attribute">width</span>: <span class="hljs-number">1100px</span>;
    <span class="hljs-attribute">margin</span>: <span class="hljs-number">0</span> auto;
}

<span class="hljs-selector-class">.nav</span> <span class="hljs-selector-tag">li</span> {
    <span class="hljs-attribute">float</span>: left;
    <span class="hljs-attribute">padding</span>: <span class="hljs-number">15px</span> <span class="hljs-number">20px</span> <span class="hljs-number">0</span>;
}

<span class="hljs-selector-class">.nav</span> <span class="hljs-selector-tag">a</span> {
    <span class="hljs-attribute">border-bottom</span>: <span class="hljs-number">3px</span> solid  transparent;
    <span class="hljs-attribute">padding</span>: <span class="hljs-number">1px</span>;
}

<span class="hljs-selector-class">.nav</span> <span class="hljs-selector-tag">a</span><span class="hljs-selector-class">.router-link-exact-active</span> {
    <span class="hljs-attribute">color</span>: darkblue;
    <span class="hljs-attribute">border-bottom-color</span>: 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;width: 200px;margin: auto">
                        <img :src="item.img" alt="" style="width: 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;

}


<span class="hljs-selector-tag">h1</span> <span class="hljs-selector-tag">sapn</span> {
    <span class="hljs-attribute">cursor</span>: pointer;
    <span class="hljs-attribute">font</span>: bold <span class="hljs-number">60px</span>/<span class="hljs-number">70px</span> <span class="hljs-string">'STSong'</span>;
}

<span class="hljs-selector-class">.el-carousel__item</span> <span class="hljs-selector-tag">h3</span> {
    <span class="hljs-attribute">color</span>: <span class="hljs-number">#475669</span>;
    <span class="hljs-attribute">font-size</span>: <span class="hljs-number">14px</span>;
    <span class="hljs-attribute">opacity</span>: <span class="hljs-number">0.75</span>;
    <span class="hljs-attribute">line-height</span>: <span class="hljs-number">150px</span>;
    <span class="hljs-attribute">margin</span>: <span class="hljs-number">0</span>;
}

<span class="hljs-selector-class">.block</span> {
    <span class="hljs-attribute">width</span>: <span class="hljs-number">800px</span>;
    <span class="hljs-attribute">margin</span>: auto;
}



<span class="hljs-selector-class">.el-carousel__item</span><span class="hljs-selector-pseudo">:nth-child(2n)</span> {
    <span class="hljs-attribute">background-color</span>: <span class="hljs-number">#99a9bf</span>;
}

<span class="hljs-selector-class">.el-carousel__item</span><span class="hljs-selector-pseudo">:nth-child(2n+1)</span> {
    <span class="hljs-attribute">background-color</span>: <span class="hljs-number">#d3dce6</span>;
}



</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;width: 200px;margin: auto">
                        <img :src="item.img" alt="" style="width: 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;

}


<span class="hljs-selector-tag">h1</span> <span class="hljs-selector-tag">sapn</span> {
    <span class="hljs-attribute">cursor</span>: pointer;
    <span class="hljs-attribute">font</span>: bold <span class="hljs-number">60px</span>/<span class="hljs-number">70px</span> <span class="hljs-string">'STSong'</span>;
}

<span class="hljs-selector-class">.el-carousel__item</span> <span class="hljs-selector-tag">h3</span> {
    <span class="hljs-attribute">color</span>: <span class="hljs-number">#475669</span>;
    <span class="hljs-attribute">font-size</span>: <span class="hljs-number">14px</span>;
    <span class="hljs-attribute">opacity</span>: <span class="hljs-number">0.75</span>;
    <span class="hljs-attribute">line-height</span>: <span class="hljs-number">150px</span>;
    <span class="hljs-attribute">margin</span>: <span class="hljs-number">0</span>;
}

<span class="hljs-selector-class">.block</span> {
    <span class="hljs-attribute">width</span>: <span class="hljs-number">800px</span>;
    <span class="hljs-attribute">margin</span>: auto;
}



<span class="hljs-selector-class">.el-carousel__item</span><span class="hljs-selector-pseudo">:nth-child(2n)</span> {
    <span class="hljs-attribute">background-color</span>: <span class="hljs-number">#99a9bf</span>;
}

<span class="hljs-selector-class">.el-carousel__item</span><span class="hljs-selector-pseudo">:nth-child(2n+1)</span> {
    <span class="hljs-attribute">background-color</span>: <span class="hljs-number">#d3dce6</span>;
}



</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.$settings.base_url + /get_car/<span class="hljs-subst">${pk}</span>/,

}).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(<span class="hljs-string">r'^media/(?P&lt;path&gt;.*)'</span>,serve,{<span class="hljs-string">'document_root'</span>: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()


<span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">Meta</span>:</span>
    db_table=<span class="hljs-string">'old_boy_car'</span> <span class="hljs-comment">#修改数据库表名</span>
    verbose_name=<span class="hljs-string">'汽车'</span>
    verbose_name_plural=verbose_name

<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">__str__</span><span class="hljs-params">(self)</span>:</span>
    <span class="hljs-keyword">return</span> self.title

作者：静默虚空
欢迎任何形式的转载，但请务必注明出处。
限于本人水平，如果文章和代码有表述不当之处，还请不吝赐教。