基于Django rest framework 和Vue实现简单的在线教育平台

 

一、基于api前端显示课程详细信息

1、调整Course.vue模块

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<template>
    <div>
        <h1>课程列表</h1>
        <div v-for="row in courseList">
            <div style="width:350px;float: left;">
                <!--<img src="" alt=""/>-->
                <h3><router-link :to="{name:'detail', params:{id:row.id}}">{{row.title}}</router-link></h3>
                <p>{{row.level}}</p>
            </div>
        </div>
    </div>
</template>
 
<script>
    export default {
        name: "index",
        data() {
            return {
                courseList: []
            }
        },
        mounted: function () {
            // vue页面刚加载时自动执行
            this.initCourse()
        },
        methods: {
            initCourse: function () {
                /*
                this.courseList = [
                  {id:1,title:'Python全栈'},
                  {id:2,title:'Linux运维'},
                  {id:3,title:'金融分析'},
                ]
                */
 
                // 通过ajax向接口发送请求,并获取课程列表
                // axios 发送ajax请求
                // npm install axios --save
                // 第一步:在main.js中配置
                // 第二步:使用axios发送请求
                var that = this;
 
                this.$axios.request({
                    url: 'http://127.0.0.1:8000/api/v1/course/',
                    method: "GET"
                }).then(function (ret) {
                    // ajax请求发送成功后,获取的响应内容
                    console.log(ret.data);
                    if (ret.data.code === 1000) {
                        // 注意这里的this已经不再是之前的this
                        that.courseList = ret.data.data
                    }else{
                        alert("获取数据失败");
                    }
                }).catch(function (ret) {
                    // ajax请求失败之后,获取响应的内容
                })
            }
        }
    }
</script>
 
<style scoped>
 
</style>

  显示效果:

  基于Django rest framework 和Vue实现简单的在线教育平台

2、调整Detail.vue模块

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<template>
    <div>
        <h1>课程详细页面</h1>
        <div>
            <p>{{detail.course}}</p>
            <p>{{detail.img}}</p>
            <p>{{detail.level}}</p>
            <p>{{detail.slogon}}</p>
            <p>{{detail.title}}</p>
            <p>{{detail.why}}</p>
            <div>
                <ul v-for="item in detail.chapter">
                    <li>{{item.name}}</li>
                </ul>
            </div>
 
            <div>
                <ul v-for="item in detail.recommends">
                    <li>{{item.title}}</li>
                </ul>
            </div>
        </div>
    </div>
</template>
 
<script>
    export default {
        name: "index",
        data() {
            return {
                detail: {     // 定义字典和相关的key
                    course: null,
                    img: null,
                    level: null,
                    slogon: null,
                    title: null,
                    why: null,
                    chapter: [],
                    recommends: [],
                }
            }
        },
        mounted() {
            this.initDetail()
        },
        methods: {
            initDetail() {
                var nid = this.$route.params.id;    // 获取当前id值(用于拼接url)
                var that = this;
                this.$axios.request({   // 发送axios请求
                    url: 'http://127.0.0.1:8000/api/v1/course/' + nid + '/',
                    method: 'GET'
                }).then(function (arg) {   // arg是返回的值:{code:1000, data:{...}}
                    // 将拿到的值赋值给detail
                    if (arg.data.code === 1000) {
                        that.detail = arg.data.data   // 注意这里的this已经不是原来的this
                    } else {
                        alert(arg.data.error)
                    }
                })
            }
        }
    }
</script>
 
<style scoped>
 
</style>

  显示效果:

  基于Django rest framework 和Vue实现简单的在线教育平台

二、推荐课程切换及详情展示

1、测试使用router-link是否合适

  对Detail.vue修改如下:

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<template>
    <div>
        <h1>课程详细页面</h1>
        <div>
            <p>{{detail.course}}</p>
            <p>{{detail.img}}</p>
            <p>{{detail.level}}</p>
            <p>{{detail.slogon}}</p>
            <p>{{detail.title}}</p>
            <p>{{detail.why}}</p>
            <div>
                <ul v-for="item in detail.chapter">
                    <li>{{item.name}}</li>
                </ul>
            </div>
 
            <div>
                <h3>推荐课程</h3>
                <ul v-for="item in detail.recommends">
                    <li><router-link :to="{name:'detail',params:{id:item.id}}">{{item.title}}</router-link></li>
                </ul>
            </div>
        </div>
    </div>
</template>

  给推荐课程添加链接地址,点击可以实现url切换,但是由于组件没有重新加载,this.initDetail()没有执行。

  因此页面的内容并不会发生切换。此方法不合适。

2、添加点击事件处理推荐课程点击切换

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<template>
    <div>
        <h1>课程详细页面</h1>
        <div>
            <p>{{detail.course}}</p>
            <p>{{detail.img}}</p>
            <p>{{detail.level}}</p>
            <p>{{detail.slogon}}</p>
            <p>{{detail.title}}</p>
            <p>{{detail.why}}</p>
            <div>
                <ul v-for="item in detail.chapter">
                    <li>{{item.name}}</li>
                </ul>
            </div>
 
            <div>
                <h3>推荐课程</h3>
                <ul v-for="item in detail.recommends">
                    <!--为推荐课程添加点击事件-->
                    <li @click="changeDetail(item.id)">{{item.title}}</li>
                </ul>
            </div>
        </div>
    </div>
</template>
 
<script>
    export default {
        name: "index",
        data() {
            return {
                detail: {     // 定义字典和相关的key
                    course: null,
                    img: null,
                    level: null,
                    slogon: null,
                    title: null,
                    why: null,
                    chapter: [],
                    recommends: [],
                }
            }
        },
        mounted() {
            var id = this.$route.params.id;    // 获取当前id值(用于拼接url)
            this.initDetail(id)
        },
        methods: {
            initDetail(nid) {
                var that = this;
                this.$axios.request({   // 发送axios请求
                    url: 'http://127.0.0.1:8000/api/v1/course/' + nid + '/',
                    method: 'GET'
                }).then(function (arg) {   // arg是返回的值:{code:1000, data:{...}}
                    // 将拿到的值赋值给detail
                    if (arg.data.code === 1000) {
                        that.detail = arg.data.data   // 注意这里的this已经不是原来的this
                    } else {
                        alert(arg.data.error)
                    }
                })
            },
            changeDetail(id){   // click拿到课程id重新加载就可以渲染成功了
                this.initDetail(id);   // 切换页面显示
                this.$router.push({name: 'detail', params: {id:id}});  // 修改url地址
            }
        }
    }
</script>
 
<style scoped>
 
</style>

  注意:这里将var id = this.$route.params.id; 操作提到了vue生命周期mounted方法中。因此initDetail(nid)函数接收的nid,有可能是从mounted中传递过来的id也可以是changeDetail传递的id。

  在 Vue 实例内部,你可以通过 $router 访问路由实例。因此你可以调用 this.$router.push

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this.$router.push({name: 'detail', params: {id:id}});   // 命名的路由

  显示效果如下所示:

  基于Django rest framework 和Vue实现简单的在线教育平台

  点击推荐课程可以*切换页面路径和页面显示。

三、用户登录功能实现

1、前端添加Login.vue模块

(1)App.vue和index.js添加Login模块

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############# App.vue ###############
<template>
  <div id="app">
    <router-link to="/index">首页</router-link>
    <router-link to="/course">课程</router-link>
    <router-link to="/micro">微职位</router-link>
    <router-link to="/news">深科技</router-link>
    <div>
        <router-link to="/login">登录</router-link>
    </div>
    <router-view/>
  </div>
</template>
 
 
############# index.js ###############
import Login from '../components/Login'
Vue.use(Router);
 
export default new Router({
    routes: [
        // 其他代码省略
        {
            path: '/login',
            name: 'login',
            component: Login
        },
    ]
})

(2)Login.vue构建

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<template>
    <div>
        <h2>用户登录</h2>
        <div>
            <p>
                <input type="text" placeholder="请输入用户名" v-model="username">
            </p>
            <p>
                <input type="password" placeholder="请输入密码" v-model="password">
            </p>
            <input type="button" value="登录" @click="doLogin">
        </div>
    </div>
</template>
 
<script>
    export default {
        data(){
            return {
                // 通过v-model双向绑定用户名和密码
                username:'',
                password:''
            }
        },
        methods: {
            doLogin(){
                this.$axios.request({
                    url:'http://127.0.0.1:8000/api/v1/auth/',
                    method:'POST',
                    data:{
                        user:this.username,
                        pwd:this.password
                    },
                    headers:{
                        'Content-Type': 'application/json'
                    }
                }).then(function (arg) {
                    // 拿回结果
                    console.log(arg)
                }).catch(function (arg) {
                    // 拿到错误信息
                    console.log("发生错误")
                })
            }
        }
    }
</script>
 
<style scoped>
 
</style>

  注意:这里是通过v-model双向绑定用户名和密码,并以此通过post请求来发送username和password。

2、django后台auth接口配置

(1)路由配置api/urls.py:

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urlpatterns = [
    """代码省略"""
    url(r'^(?P<version>[v1|v2]+)/auth/$', account.AuthView.as_view()),
 
]

(2)视图配置api/view/account.py:

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from rest_framework.views import APIView
from rest_framework.response import Response
 
class AuthView(APIView):
    def post(self, request, *args, **kwargs):
        print(request.data)
 
        return Response('...')

(3)在前台页面尝试登陆

  基于Django rest framework 和Vue实现简单的在线教育平台

  可以看到虽然配置的是post请求,但实际却发送的是OPTIONS请求。

3、跨域问题处理

(1)简单请求和非简单请求

  浏览器将CORS请求分成两类:简单请求(simple request)和非简单请求(not-so-simple request)。

  只要同时满足以下两大条件,就属于简单请求。

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(1) 请求方法是以下三种方法之一:
HEAD
GET
POST
(2)HTTP的头信息不超出以下几种字段:
Accept
Accept-Language
Content-Language
Last-Event-ID
Content-Type:只限于三个值application/x-www-form-urlencoded、multipart/form-data、text/plain

  凡是不同时满足上面两个条件,就属于非简单请求。

  如果是复杂请求,会先用options请求进行预检,通过之后才能发送post请求。

(2)配置修改account.py,添加options请求处理

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from rest_framework.views import APIView
from rest_framework.response import Response
from django.shortcuts import HttpResponse
 
class AuthView(APIView):
 
    def options(self, request, *args, **kwargs):
        # 进行预检
        obj = HttpResponse('')
        obj["Access-Control-Allow-Origin"] = "*"   # 允许你的域名来获取我的数据
        obj['Access-Control-Allow-Headers'] = "Content-Type"  # 允许你携带Content-Type请求头
        return obj
 
    def post(self, request, *args, **kwargs):
        print(request.data)
 
        # 同源策略禁止读取位于 http://127.0.0.1:8000/api/v1/auth/ 的远程资源。(原因:CORS 头缺少 'Access-Control-Allow-Origin')
        obj = Response("...")
        obj["Access-Control-Allow-Origin"] = "*"   # 允许你的域名来获取我的数据
 
        return obj  # 返回值再加上一个响应头

  再次访问登录页面,尝试登录操作,可以看到OPTIONS请求通过后,发送POST请求,python后端也打印出request.data中的数据。

  基于Django rest framework 和Vue实现简单的在线教育平台

(3)用中间件来处理跨域问题

  上面这种方式过于麻烦了,一般还是交给中间件来处理跨域问题,为所有请求都设置头。

  /api/cors.py:

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from django.utils.deprecation import MiddlewareMixin
 
class CORSMiddleware(MiddlewareMixin):
    """自定义中间件"""
 
    def process_response(self, request, response):
        # 添加响应头
 
        # 允许你的域名来获取我的数据
        response['Access-Control-Allow-Origin'] = "*"
        # 允许你携带Content-Type请求头,这里不能写*
        # response['Access-Control-Allow-Headers'] = "Content-Type"
        # 允许你发送GET/POST/DELETE/PUT
        # response['Access-Control-Allow-Methods'] = "GET, POST"
 
        if request.method == "OPTIONS":
            response["Access-Control-Allow-Headers"] = "Content-Type"
        return response

4、rest-framework登录验证

(1)给models.py添加User和Token模型

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class UserInfo(models.Model):
    user = models.CharField(max_length=32)
    pwd = models.CharField(max_length=64)
 
 
class UserToken(models.Model):
    user = models.OneToOneField(to="UserInfo", on_delete=models.CASCADE)
    token = models.CharField(max_length=64# 不仅可以配置token,还可以配置超时时间

  利用makemigrations和migrate完成数据迁移操作。在UserInfo表添加用户和密码。

(2)后端处理登录信息,更新并创建token信息

  重写/api/views/account.py如下所示:

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from rest_framework.views import APIView
from rest_framework.response import Response
from django.shortcuts import HttpResponse
from api import models
import uuid   # 网卡和时间生成的随机字符串
 
class AuthView(APIView):
 
    def post(self, request, *args, **kwargs):
        """
        用户登录认证
        :param request:
        :param args:
        :param kwargs:
        :return:
        """
        print(request.data)
        ret = {'code': 1000}
        # 用get方法取的话,不存在即为Null
        user = request.data.get("user")
        pwd = request.data.get("pwd")
        user = models.UserInfo.objects.filter(user=user, pwd=pwd).first()
        if not user:
            ret['code'] = 1001
            ret['error'] = "用户名或密码错误"
        else:
            uid = str(uuid.uuid4())  # 将生成的随机对象转化为随机字符串
            models.UserToken.objects.update_or_create(user=user, defaults={"token":uid})
            ret["token"] = uid
        return Response(ret)

(3)登录验证

  在vue前端登录,显示信息如下:

  基于Django rest framework 和Vue实现简单的在线教育平台

  在python后台打印request.data信息:{'user': 'asdw', 'pwd': 'asdw131'}、{'user': 'oldboy', 'pwd': '123'}。

5、用vuex实现在各个组件*享值

(1)全局变量配置

  1)创建/src/store文件夹,创建并编写store.js文件:

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import Vue from 'vue'
import Vuex from 'vuex'
// import Cookie from 'vue-cookies'
 
Vue.use(Vuex)
 
export default new Vuex.Store({
    // 组件中通过 this.$store.state.username 调用
    state: {
        username: null,
        token: null,
    },
})

  组件中通过 this.$store.state.username 调用。

  2)在main.js中引入store,并放入实例化组件中

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import Vue from 'vue'
import App from './App'
import router from './router'
import axios from 'axios'
import store from './store/store'
 
// 在vue的全局变量中设置了 $axios=axios
// 以后每个组件使用时:this.$axios
Vue.prototype.$axios = axios;
 
Vue.config.productionTip = false;
 
/* eslint-disable no-new */
new Vue({
    el: '#app',
    router,
    store,   // 放入实例化中
    components: {App},
    template: '<App/>'
})

(2)在所有组件中使用全局变量

  Login.vue:

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<script>
    export default {
        data(){
            return {
                // 通过v-model双向绑定用户名和密码
                username:'',
                password:''
            }
        },
        methods: {
            doLogin(){
                var that = this;
                this.$axios.request({
                    url:'http://127.0.0.1:8000/api/v1/auth/',
                    method:'POST',
                    data:{
                        user:this.username,
                        pwd:this.password
                    },
                    headers:{
                        'Content-Type': 'application/json'
                    }
                }).then(function (arg) {
                    // 拿回结果
                    if (arg.data.code === 1000){
                        // 成功的情况下
                        that.$store.state.token = arg.data.token;
                        that.$store.state.username = that.username;
 
                    }else {
                        alert(arg.data.error)
                    }
                }).catch(function (arg) {
                    // 拿到错误信息
                    console.log("发生错误")
                })
            }
        }
    }
</script>

  App.vue:

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<template>
    <div id="app">
 
        <router-link to="/index">首页</router-link>
        <router-link to="/course">课程</router-link>
        <router-link to="/micro">微职位</router-link>
        <router-link to="/news">深科技</router-link>
        <div v-if="this.$store.state.token">
            <a href="">{{this.$store.state.username}}</a>
        </div>
        <div v-else>
            <router-link to="/login">登录</router-link>
        </div>
        <router-view/>
    </div>
</template>
 
<script>
    export default {
        name: 'App'
    }
</script>

  如此就可以通过获取全局变量实现用户登录效果:

  基于Django rest framework 和Vue实现简单的在线教育平台

  但是这种登录状态,只要浏览器一刷新,登录状态就消失了,因此登录成功不仅要设置到全局变量,还要在cookie中放一份全局变量。

6、vue-cookies应用

(1)store.js

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import Vue from 'vue'
import Vuex from 'vuex'
import Cookie from 'vue-cookies'  // 引入cookie,npm install vue-cookies --save
 
Vue.use(Vuex);
 
export default new Vuex.Store({
    // 组件中通过 this.$store.state.username 调用
    state: {
        // 默认去cookie中取值
        username: Cookie.get("username"),
        token: Cookie.get("token"),
    },
    mutations: {
        // 组件中通过this.$store.commit(函数名, 参数)调用
        saveToken: function (state, userToken) {
            state.username = userToken.username;
            state.token = userToken.token;
            Cookie.set("username", userToken.username, "20min");
            Cookie.set("token", userToken.token, "20min");
        },
    }
})

  1)注意引入cookie的方法;

  2)注意mutations方法。更改 Vuex 的 store 中的状态的唯一方法是提交 mutation。Vuex 中的 mutation 非常类似于事件:每个 mutation 都有一个字符串的 事件类型 (type) 和 一个 回调函数 (handler)。

  3)组件中通过this.$store.commit(函数名, 参数)调用。

(2)Login.vue修改

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<script>
    export default {
        data(){
            return {
                // 通过v-model双向绑定用户名和密码
                username:'',
                password:''
            }
        },
        methods: {
            doLogin(){
                var that = this;
                this.$axios.request({
                    url:'http://127.0.0.1:8000/api/v1/auth/',
                    method:'POST',
                    data:{
                        user:this.username,
                        pwd:this.password
                    },
                    headers:{
                        'Content-Type': 'application/json'
                    }
                }).then(function (arg) {
                    // 拿回结果
                    if (arg.data.code === 1000){
                        // 成功的情况下
                        // that.$store.state.token = arg.data.token;
                        // that.$store.state.username = that.username;
                        that.$store.commit('saveToken',{token: arg.data.token, username: that.username});
                    }else {
                        alert(arg.data.error)
                    }
                }).catch(function (arg) {
                    // 拿到错误信息
                    console.log("发生错误")
                })
            }
        }
    }
</script>

(3)刷新仍在全局显示登录用户

  基于Django rest framework 和Vue实现简单的在线教育平台

(4)添加登出注销操作

  App.vue:

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<template>
    <div id="app">
 
        <router-link to="/index">首页</router-link>
        <router-link to="/course">课程</router-link>
        <router-link to="/micro">微职位</router-link>
        <router-link to="/news">深科技</router-link>
        <div v-if="this.$store.state.token">
            <a href="">{{this.$store.state.username}}</a>
            <a @click="logout">注销</a>
        </div>
        <div v-else>
            <router-link to="/login">登录</router-link>
        </div>
        <router-view/>
    </div>
</template>
 
<script>
    export default {
        name: 'App',
        methods:{
            logout(){   // 注销
                this.$store.commit('clearToken');
            }
        }
    }
</script>

  store.js:

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import Vue from 'vue'
import Vuex from 'vuex'
import Cookie from 'vue-cookies'  // 引入cookie,npm install vue-cookies --save
 
Vue.use(Vuex);
 
export default new Vuex.Store({
    // 组件中通过 this.$store.state.username 调用
    state: {
        // 默认去cookie中取值
        username: Cookie.get("username"),
        token: Cookie.get("token"),
    },
    mutations: {
        // 组件中通过this.$store.commit(函数名, 参数)调用
        saveToken: function (state, userToken) {
            state.username = userToken.username;
            state.token = userToken.token;
            Cookie.set("username", userToken.username, "20min");
            Cookie.set("token", userToken.token, "20min");
        },
        clearToken: function (state) {
            state.username = null;
            state.token = null;
            Cookie.remove("username");
            Cookie.remove("token");
        }
    }
})

  登出效果如下所示:

  基于Django rest framework 和Vue实现简单的在线教育平台

  点击注销后显示效果:

  基于Django rest framework 和Vue实现简单的在线教育平台

四、拦截器

  有些页面登录了才能访问,有些页面不需要登录即可访问。

1、页面访问登录判断

  这里以micro模块为例,给模块添加登录判断,用户未登录时访问微职业,直接跳转到登录页面。

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<template>
    <div>
        <h1>LuffyX学位</h1>
    </div>
</template>
 
<script>
    export default {
        name: "index",
        data() {
            return {
 
            }
        },
        mounted(){   // 刚加载即执行
            if(!this.$store.state.token){
                // 重定向返回登录页面
                this.$router.push({name:"login"})
            }
        }
    }
</script>
 
<style scoped>
 
</style>

  但是对于组件很多的网站却不能这么处理,而是应该使用vue自带的拦截器来处理。

2、添加拦截器

(1)在路由控制中给需要拦截的路由配置meta字段

  index.js:给需要拦截的路由配置meta字段

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export default new Router({
    routes: [
        {
            path: '/index',
            name: 'index',
            component: Index,
        },
        {
            path: '/course',
            name: 'course',
            component: Course
        },
        {
            path: '/detail/:id',   // 动态接收名字为id的值
            name: 'detail',
            component: Detail
        },
        {
            path: '/micro',
            name: 'micro',
            component: Micro,
            meta:{
                requireAuth:true    // 表示必须要登录
            }
        },
        {
            path: '/news',
            name: 'news',
            component: News,
            meta:{
                requireAuth:true    // 表示必须要登录
            }
        },
        {
            path: '/login',
            name: 'login',
            component: Login
        },
    ],
    mode: 'history'
})

(2)添加配置拦截器

  main.js:

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import Vue from 'vue'
import App from './App'
import router from './router'
import axios from 'axios'
import store from './store/store'
 
// 在vue的全局变量中设置了 $axios=axios
// 以后每个组件使用时:this.$axios
Vue.prototype.$axios = axios;
 
Vue.config.productionTip = false;
 
/* eslint-disable no-new */
new Vue({
    el: '#app',
    router,
    store,   // 放入实例化中
    components: {App},
    template: '<App/>'
});
 
// 拦截器  to:要去哪  next:去跳转  from:从哪来
router.beforeEach(function (to, from, next) {
    if (to.meta.requireAuth) {
        // 当前要去的url只有登录后才能访问
        if (store.state.token) {
            // token为true表示可以继续访问
            next()
        } else {
            // token不为true跳转到登录页面
            next({path:'/login',})
        }
    } else {
        // url不需要访问即可以访问
        next()
    }
});

3、登录后直接显示登录前页面

  比如在访问微职业时,由于没有登录跳转到了登录页面,输入账户密码登录后,显示的内容应该是微职业的内容。

(1)修改main.js中的拦截器

  在url地址中添加返回的url:

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// 拦截器  to:要去哪  next:去跳转  from:从哪来
router.beforeEach(function (to, from, next) {
    if (to.meta.requireAuth) {
        // 当前要去的url只有登录后才能访问
        if (store.state.token) {
            // token为true表示可以继续访问
            next()
        } else {
            // token不为true跳转到登录页面
            next({path:'/login', query:{backUrl: to.fullPath}})
        }
    } else {
        // url不需要访问即可以访问
        next()
    }
});

(2)Login.vue中修改登录操作

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<script>
    export default {
        data(){
            return {
                // 通过v-model双向绑定用户名和密码
                username:'',
                password:''
            }
        },
        methods: {
            doLogin(){
                var that = this;
                this.$axios.request({
                    url:'http://127.0.0.1:8000/api/v1/auth/',
                    method:'POST',
                    data:{
                        user:this.username,
                        pwd:this.password
                    },
                    headers:{
                        'Content-Type': 'application/json'
                    }
                }).then(function (arg) {
                    // 拿回结果
                    if (arg.data.code === 1000){
                        // 成功的情况下
                        that.$store.commit('saveToken',{token: arg.data.token, username: that.username});
                        var url = that.$route.query.backUrl;
                        if (url) {
                            that.$router.push({path:url})
                        } else {
                            that.$router.push({path:'/index'})
                        }
                    }else {
                        alert(arg.data.error)
                    }
                }).catch(function (arg) {
                    // 拿到错误信息
                    console.log("发生错误")
                })
            }
        }
    }
</script>

(3)登录验证

  基于Django rest framework 和Vue实现简单的在线教育平台

  登录成功后显示效果:

  基于Django rest framework 和Vue实现简单的在线教育平台

五、用户认证

1、通过token进行用户认证

(1)配置micro的url和视图

  api/urls.py:

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urlpatterns = [
    """省略"""
    url(r'^(?P<version>[v1|v2]+)/micro/$', course.MicroView.as_view()),
]

  Couse.py添加MicroView视图:

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class MicroView(APIView):
 
    def get(self, request, *args, **kwargs):
        token = request.query_params.get('token')   # 获取到token
        obj = models.UserToken.objects.filter(token=token)   # 与数据库中token检验
        if not obj:
            return Response("认证失败")
        return Response("微职位")

(2)配置Micro.vue向后端发送GET请求

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<script>
    export default {
        name: "index",
        data() {
            return {
                title:null
            }
        },
        mounted(){   // 刚加载即执行
            this.initMicro()
        },
        methods:{
            initMicro(){
                this.$axios.request({
                    url:'http://127.0.0.1:8000/api/v1/micro/',  // 这个地址如果被盗,任何人都可以获取数据
                    method:"GET",
                    params:{
                        token:this.$store.state.token
                    }
                }).then(function (arg) {
                    console.log(arg);
                })
            }
        }
    }
</script>

  这里需要注意不能只配置Url,这个地址如果被盗,则任何人都可以向后端发送请求获取数据。

  因此配置params参数,在url地址后拼接token参数来发送请求:

  基于Django rest framework 和Vue实现简单的在线教育平台

(3)django访问检验

  基于Django rest framework 和Vue实现简单的在线教育平台

  当token不正确时:

  基于Django rest framework 和Vue实现简单的在线教育平台

2、通过rest认证组件实现用户认证

(1) 在应用api下添加文件夹auth,添加auth.py文件

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from rest_framework.authentication import BaseAuthentication
from rest_framework.exceptions import AuthenticationFailed
from api import models
 
class LuffyAuth(BaseAuthentication):
 
    def authenticate(self, request):
        token = request.query_params.get("token")
        obj = models.UserToken.objects.filter(token=token).first()
        if not obj:
            raise AuthenticationFailed({"code":1001, "error": "认证失败"})
        return (obj.user.user, obj)   # 返回用户名和token对象

(2)在MicroVIew视图类中添加认证组件 

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from api.auth.auth import LuffyAuth
 
class MicroView(APIView):
 
    authentication_classes = [LuffyAuth]
 
    def get(self, request, *args, **kwargs):
        ret = {"code":1000, "title":"微职位"}
        return Response(ret)

  访问django页面验证:

  基于Django rest framework 和Vue实现简单的在线教育平台

(3)前端vue处理后端返回的数据

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<template>
    <div>
        <h1>LuffyX学位:{{title}}</h1>
    </div>
</template>
 
<script>
    export default {
        name: "index",
        data() {
            return {
                title:null
            }
        },
        mounted(){   // 刚加载即执行
            this.initMicro()
        },
        methods:{
            initMicro(){
                var that = this;
                this.$axios.request({
                    url:'http://127.0.0.1:8000/api/v1/micro/',  // 这个地址如果被盗,任何人都可以获取数据
                    method:"GET",
                    params:{
                        token:this.$store.state.token
                    }
                }).then(function (arg) {
                    if (arg.data.code === 1000) {
                        that.title = arg.data.title
                    }
                })
            }
        }
    }
</script>

  访问http://localhost:8080/micro,效果如下所示:

  基于Django rest framework 和Vue实现简单的在线教育平台

六、vue接口归总

1、在vuex中设置apiList字段归总所有rest接口

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import Vue from 'vue'
import Vuex from 'vuex'
import Cookie from 'vue-cookies'  // 引入cookie,npm install vue-cookies --save
 
Vue.use(Vuex);
 
export default new Vuex.Store({
    // 组件中通过 this.$store.state.username 调用
    state: {
        // 默认去cookie中取值
        username: Cookie.get("username"),
        token: Cookie.get("token"),
        apiList: {
            // 所有的接口
            course: 'http://127.0.0.1:8000/api/v1/course/',
            courseDetail: 'http://127.0.0.1:8000/api/v1/course/',
            auth: 'http://127.0.0.1:8000/api/v1/auth/',
            micro: "http://127.0.0.1:8000/api/v1/micro/",
        }
    },
    mutations: {
        /* 代码省略*/
    }
})

2、替换各个模块中的url地址

  均按照如下方法替换:

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url: this.store.state.apiList.micro,
url: this.store.state.apiList.course,
url: this.store.state.apiList.course + nid + '/',
url: this.store.state.apiList.auth,

  

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