课程详情页接口与页面搭建
from utils.common_response import APIResponse from rest_framework.mixins import ListModelMixin class CommonListModelMixin(ListModelMixin): def list(self,request,*args,**kwargs): res=super().list(request,*args,**kwargs) return APIResponse(data=res.data)
# 课程分类接口（Python/Linux） from rest_framework.viewsets import GenericViewSet from .serializer import CourseCategorySerializer from utils.common_view import CommonListModelMixin from .models import CourseCategory class CourseCategoryView(GenericViewSet,CommonListModelMixin): queryset = CourseCategory.objects.filter(is_delete=False,is_show=True).order_by('orders') serializer_class = CourseCategorySerializer
# course/serializer.py from rest_framework.serializers import ModelSerializer from .models import CourseCategory class CourseCategorySerializer(ModelSerializer): class Meta: model = CourseCategory fields= ['id','name']
from rest_framework.routers import SimpleRouter from . import views router = SimpleRouter() # 访问 http://127.0.0.1:8000/api/v1/course/category/ router.register('category', views.CourseCategoryView, 'category') urlpatterns = [ ] urlpatterns += router.urls
class CourseView(GenericViewSet,CommonListModelMixin,RetrieveModelMixin): queryset = Course.objects.filter(is_delete=False,is_show=True).order_by('orders') serializer_class = CourseSerializer # 分页 pagination_class = BookPagination # 排序 filter_backends = [OrderingFilter,DjangoFilterBackend] ordering_fields = ['price','students'] # 过滤，根据分类过滤，第三方过滤django_filters filterset_fields =['course_category'] # 按课程分类过滤 # 同一分类下的所有课程 def retrieve(self, request, *args, **kwargs): res = super().retrieve(request,*args,**kwargs) return APIResponse(data=res.data)
# 老师的序列化类 class TeacherSerializer(ModelSerializer): class Meta: model = Teacher fields= ['id','name','role_name','title','signature','image','brief'] class CourseSerializer(ModelSerializer): # 通过子序列化引入老师字段 teacher = TeacherSerializer() # 子序列化 class Meta: model = Course fields = [ 'id', 'name', 'course_img', 'brief', # 课程介绍 'attachment_path', # 课程课件路径 'pub_sections', # 更新了多少课时 'price', # 价格 'students', # 学习人数 'period', # 建议学习周期 'sections', # 总课时数量 'course_type_name', # 定制返回格式，在序列化类中或表模型中写方法 表模型中写的方法 'level_name', # 等级名字 'status_name', # 课程状态 'teacher', # 老师 ： 表模型中写 序列化类中 子序列化：给Teacher表写个序列化类 'section_list', # 表模型中写 （DDD:领域驱动模型） ]
class Course(BaseModel): ... def __str__(self): return "%s" % self.name def course_type_name(self): return self.get_course_type_display() # 返回choice对应的名字 def level_name(self): return self.get_level_display() # 返回choice对应的名字 def status_name(self): return self.get_status_display() # 返回choice对应的名字 def section_list(self): ''' # 逻辑： #1 先根据课程，拿到所有章节 #2 循环所有章节，拿出每个章节下的课时 #3 拼到一个列表中 # 4 判断一下列表长度是否大于等于四，直接 return ''' # 反向查询，拿到所有章节 表名小写_set.all() 这个拿不到 # course_chapter_list=self.coursechapter_set.all() l = [] course_chapter_list = self.coursechapters.all() for course_chapter in course_chapter_list: # 根据章节，拿出所有课时 course_section_list = course_chapter.coursesections.all() for course_section in course_section_list: l.append({ 'name': course_section.name, 'section_link': course_section.section_link, 'duration': course_section.duration, 'free_trail': course_section.free_trail, }) if len(l) >= 4: return l return l # 老师表 class Teacher(BaseModel): ... def __str__(self): return "%s" % self.name def role_name(self): return self.get_role_display()
from rest_framework.routers import SimpleRouter from . import views router = SimpleRouter() # 访问 http://127.0.0.1:8000/api/v1/course/course/ router.register('course', views.CourseView, 'course')
<template> <div class="course"> <Header></Header> <div class="main"> <!-- 筛选条件 --> <div class="condition"> <ul class="cate-list"> <li class="title">课程分类:</li> <li :class="filter.course_category==0?'this':''" @click="filter.course_category=0">全部</li> <li :class="filter.course_category==category.id?'this':''" v-for="category in category_list" @click="filter.course_category=category.id" :key="category.name">{{ category.name }} </li> </ul> <div class="ordering"> <ul> <li class="title">筛 选:</li> <li class="default" :class="(filter.ordering=='id' || filter.ordering=='-id')?'this':''" @click="filter.ordering='-id'">默认 </li> <li class="hot" :class="(filter.ordering=='students' || filter.ordering=='-students')?'this':''" @click="filter.ordering=(filter.ordering=='-students'?'students':'-students')">人气 </li> <li class="price" :class="filter.ordering=='price'?'price_up this':(filter.ordering=='-price'?'price_down this':'')" @click="filter.ordering=(filter.ordering=='-price'?'price':'-price')">价格 </li> </ul> <p class="condition-result">共{{ course_total }}个课程</p> </div> </div> <!-- 课程列表 --> <div class="course-list"> <div class="course-item" v-for="course in course_list" :key="course.name"> <div class="course-image"> <img :src="course.course_img" alt=""> </div> <div class="course-info"> <h3> <router-link :to="'/course/detail/'+course.id">{{ course.name }}</router-link> <span><img src="@/assets/img/avatar1.svg" alt="">{{ course.students }}人已加入学习</span> </h3> <p class="teather-info"> {{ course.teacher.name }} {{ course.teacher.title }} {{ course.teacher.signature }} <span v-if="course.sections>course.pub_sections">共{{ course.sections }}课时/已更新{{ course.pub_sections }}课时</span> <span v-else>共{{ course.sections }}课时/更新完成</span> </p> <ul class="section-list"> <li v-for="(section, key) in course.section_list" :key="section.name"><span class="section-title">0{{ key + 1 }} | {{ section.name }}</span> <span class="free" v-if="section.free_trail">免费</span></li> </ul> <div class="pay-box"> <div v-if="course.discount_type"> <span class="discount-type">{{ course.discount_type }}</span> <span class="discount-price">￥{{ course.real_price }}元</span> <span class="original-price">原价：{{ course.price }}元</span> </div> <span v-else class="discount-price">￥{{ course.price }}元</span> <span class="buy-now">立即购买</span> </div> </div> </div> </div> <div class="course_pagination block"> <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page.sync="filter.page" :page-sizes="[1, 2, 3, 5, 10]" :page-size="filter.page_size" layout="sizes, prev, pager, next" :total="course_total"> </el-pagination> </div> </div> <Footer></Footer> </div> </template> <script> import Header from "@/components/Header" import Footer from "@/components/Footer" export default { name: "Course", data() { return { category_list: [], // 课程分类列表 course_list: [], // 课程列表 course_total: 0, // 当前课程的总数量 filter: { course_category: 0, // 当前用户选择的课程分类，刚进入页面默认为全部，值为0 ordering: "-id", // 数据的排序方式，默认值是-id，表示对于id进行降序排列 page_size: 1, // 单页数据量 page: 1, } } }, created() { this.get_category(); this.get_course(); }, components: { Header, Footer, }, watch: { "filter.course_category": function () { this.filter.page = 1; this.get_course(); }, "filter.ordering": function () { this.get_course(); }, "filter.page_size": function () { this.get_course(); }, "filter.page": function () { this.get_course(); } }, methods: { handleSizeChange(val) { // 每页数据量发生变化时执行的方法 this.filter.page = 1; this.filter.page_size = val; }, handleCurrentChange(val) { // 页码发生变化时执行的方法 this.filter.page = val; }, get_category() { // 获取课程分类信息 this.$axios.get(`${this.$settings.BASE_URL}/course/category/`).then(response => { console.log(response.data) this.category_list = response.data.data; }).catch(() => { this.$message({ message: "获取课程分类信息有误，请联系客服工作人员", }) }) }, get_course() { // 排序 let filters = { ordering: this.filter.ordering, // 排序 }; // 判决是否进行分类课程的展示 if (this.filter.course_category > 0) { filters.course_category = this.filter.course_category; } // 设置单页数据量 if (this.filter.page_size > 0) { filters.page_size = this.filter.page_size; } else { filters.page_size = 5; } // 设置当前页码 if (this.filter.page > 1) { filters.page = this.filter.page; console.log(filters.page) } else { filters.page = 1; } // 获取课程列表信息 this.$axios.get(`${this.$settings.BASE_URL}/course/course/`, { params: filters }).then(response => { console.log(response.data); this.course_list = response.data.data.results; this.course_total = response.data.data.count; // console.log(this.course_list); }).catch(() => { this.$message({ message: "获取课程信息有误，请联系客服工作人员" }) }) } } } </script> <style scoped> .course { background: #f6f6f6; } .course .main { width: 1100px; margin: 35px auto 0; } .course .condition { margin-bottom: 35px; padding: 25px 30px 25px 20px; background: #fff; border-radius: 4px; box-shadow: 0 2px 4px 0 #f0f0f0; } .course .cate-list { border-bottom: 1px solid #333; border-bottom-color: rgba(51, 51, 51, .05); padding-bottom: 18px; margin-bottom: 17px; } .course .cate-list::after { content: ""; display: block; clear: both; } .course .cate-list li { float: left; font-size: 16px; padding: 6px 15px; line-height: 16px; margin-left: 14px; position: relative; transition: all .3s ease; cursor: pointer; color: #4a4a4a; border: 1px solid transparent; /* transparent 透明 */ } .course .cate-list .title { color: #888; margin-left: 0; letter-spacing: .36px; padding: 0; line-height: 28px; } .course .cate-list .this { color: #ffc210; border: 1px solid #ffc210 !important; border-radius: 30px; } .course .ordering::after { content: ""; display: block; clear: both; } .course .ordering ul { float: left; } .course .ordering ul::after { content: ""; display: block; clear: both; } .course .ordering .condition-result { float: right; font-size: 14px; color: #9b9b9b; line-height: 28px; } .course .ordering ul li { float: left; padding: 6px 15px; line-height: 16px; margin-left: 14px; position: relative; transition: all .3s ease; cursor: pointer; color: #4a4a4a; } .course .ordering .title { font-size: 16px; color: #888; letter-spacing: .36px; margin-left: 0; padding: 0; line-height: 28px; } .course .ordering .this { color: #ffc210; } .course .ordering .price { position: relative; } .course .ordering .price::before, .course .ordering .price::after { cursor: pointer; content: ""; display: block; width: 0px; height: 0px; border: 5px solid transparent; position: absolute; right: 0; } .course .ordering .price::before { border-bottom: 5px solid #aaa; margin-bottom: 2px; top: 2px; } .course .ordering .price::after { border-top: 5px solid #aaa; bottom: 2px; } .course .ordering .price_up::before { border-bottom-color: #ffc210; } .course .ordering .price_down::after { border-top-color: #ffc210; } .course .course-item:hover { box-shadow: 4px 6px 16px rgba(0, 0, 0, .5); } .course .course-item { width: 1100px; background: #fff; padding: 20px 30px 20px 20px; margin-bottom: 35px; border-radius: 2px; cursor: pointer; box-shadow: 2px 3px 16px rgba(0, 0, 0, .1); /* css3.0 过渡动画 hover 事件操作 */ transition: all .2s ease; } .course .course-item::after { content: ""; display: block; clear: both; } /* 顶级元素 父级元素 当前元素{} */ .course .course-item .course-image { float: left; width: 423px; height: 210px; margin-right: 30px; } .course .course-item .course-image img { max-width: 100%; max-height: 210px; } .course .course-item .course-info { float: left; width: 596px; } .course-item .course-info h3 a { font-size: 26px; color: #333; font-weight: normal; margin-bottom: 8px; } .course-item .course-info h3 span { font-size: 14px; color: #9b9b9b; float: right; margin-top: 14px; } .course-item .course-info h3 span img { width: 11px; height: auto; margin-right: 7px; } .course-item .course-info .teather-info { font-size: 14px; color: #9b9b9b; margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px solid #333; border-bottom-color: rgba(51, 51, 51, .05); } .course-item .course-info .teather-info span { float: right; } .course-item .section-list::after { content: ""; display: block; clear: both; } .course-item .section-list li { float: left; width: 44%; font-size: 14px; color: #666; padding-left: 22px; /* background: url("路径") 是否平铺 x轴位置 y轴位置 */ background: url("/src/assets/img/play-icon-gray.svg") no-repeat left 4px; margin-bottom: 15px; } .course-item .section-list li .section-title { /* 以下3句，文本内容过多，会自动隐藏，并显示省略符号 */ text-overflow: ellipsis; overflow: hidden; white-space: nowrap; display: inline-block; max-width: 200px; } .course-item .section-list li:hover { background-image: url("/src/assets/img/play-icon-yellow.svg"); color: #ffc210; } .course-item .section-list li .free { width: 34px; height: 20px; color: #fd7b4d; vertical-align: super; margin-left: 10px; border: 1px solid #fd7b4d; border-radius: 2px; text-align: center; font-size: 13px; white-space: nowrap; } .course-item .section-list li:hover .free { color: #ffc210; border-color: #ffc210; } .course-item { position: relative; } .course-item .pay-box { position: absolute; bottom: 20px; width: 600px; } .course-item .pay-box::after { content: ""; display: block; clear: both; } .course-item .pay-box .discount-type { padding: 6px 10px; font-size: 16px; color: #fff; text-align: center; margin-right: 8px; background: #fa6240; border: 1px solid #fa6240; border-radius: 10px 0 10px 0; float: left; } .course-item .pay-box .discount-price { font-size: 24px; color: #fa6240; float: left; } .course-item .pay-box .original-price { text-decoration: line-through; font-size: 14px; color: #9b9b9b; margin-left: 10px; float: left; margin-top: 10px; } .course-item .pay-box .buy-now { width: 120px; height: 38px; background: transparent; color: #fa6240; font-size: 16px; border: 1px solid #fd7b4d; border-radius: 3px; transition: all .2s ease-in-out; float: right; text-align: center; line-height: 38px; position: absolute; right: 0; bottom: 5px; } .course-item .pay-box .buy-now:hover { color: #fff; background: #ffc210; border: 1px solid #ffc210; } .course .course_pagination { margin-bottom: 60px; text-align: center; } </style>
# 课程章节接口 class CourseChapterView(GenericViewSet,CommonListModelMixin): queryset = CourseChapter.objects.filter(is_delete=False,is_show=True).order_by('orders') serializer_class = CourseChapterSerializer filter_backends = [DjangoFilterBackend] filterset_fields = ['course'] # 按课程过滤
# 课时的序列化类 class CourseSectionSerializer(ModelSerializer): class Meta: model = CourseSection fields = [ 'id', 'name', # 时间名字 'orders', # 课时排序 'section_link', # 课时视频链接 'duration', # 课时简介 'free_trail' # 是否免费 ] # 章节的序列化类 class CourseChapterSerializer(ModelSerializer): # 通过子序列化引入课时字段 coursesections = CourseSectionSerializer(many=True) class Meta: model = CourseChapter fields = [ 'id', 'name', # 章节名字 'chapter', # 第几章 'summary', # 章节介绍 'coursesections' # 章节下所有课时，子序列化 ]
<template> <div class="detail"> <Header/> <div class="main"> <div class="course-info"> <div class="wrap-left"> <vue-core-video-player src="https://video.pearvideo.com/mp4/third/20230307/cont-1779481-10023871-222053-hd.mp4" @play="onPlayerPlay" @pause="onPlayerPause" title="课程名字" controls='auto' > </vue-core-video-player> </div> <div class="wrap-right"> <h3 class="course-name">{{ course_info.name }}</h3> <p class="data"> {{ course_info.students }}人在学 课程总时长：{{ course_info.sections }}课时/{{ course_info.pub_sections }}小时 难度：{{ course_info.level_name }}</p> <div class="sale-time"> <p class="sale-type">价格 <span class="original_price">¥{{ course_info.price }}</span></p> <p class="expire"></p> </div> <div class="buy"> <div class="buy-btn"> <button class="buy-now">立即购买</button> <button class="free">免费试学</button> </div> <!--<div class="add-cart" @click="add_cart(course_info.id)">--> <!--<img src="@/assets/img/cart-yellow.svg" alt="">加入购物车--> <!--</div>--> </div> </div> </div> <div class="course-tab"> <ul class="tab-list"> <li :class="tabIndex==1?'active':''" @click="tabIndex=1">详情介绍</li> <li :class="tabIndex==2?'active':''" @click="tabIndex=2">课程章节 <span :class="tabIndex!=2?'free':''">(试学)</span> </li> <li :class="tabIndex==3?'active':''" @click="tabIndex=3">用户评论</li> <li :class="tabIndex==4?'active':''" @click="tabIndex=4">常见问题</li> </ul> </div> <div class="course-content"> <div class="course-tab-list"> <div class="tab-item" v-if="tabIndex==1"> <div class="course-brief" v-html="course_info.brief_text"></div> </div> <div class="tab-item" v-if="tabIndex==2"> <div class="tab-item-title"> <p class="chapter">课程章节</p> <p class="chapter-length">共{{ course_chapters.length }}章 {{ course_info.sections }}个课时</p> </div> <div class="chapter-item" v-for="chapter in course_chapters" :key="chapter.name"> <p class="chapter-title"><img src="@/assets/img/enum.svg" alt="">第{{ chapter.chapter }}章·{{ chapter.name }} </p> <ul class="section-list"> <li class="section-item" v-for="section in chapter.coursesections" :key="section.name"> <p class="name"><span class="index">{{ chapter.chapter }}-{{ section.orders }}</span> {{ section.name }}<span class="free" v-if="section.free_trail">免费</span></p> <p class="time">{{ section.duration }} <img src="@/assets/img/chapter-player.svg"></p> <button class="try" v-if="section.free_trail">立即试学</button> <button class="try" v-else>立即购买</button> </li> </ul> </div> </div> <div class="tab-item" v-if="tabIndex==3"> 用户评论 </div> <div class="tab-item" v-if="tabIndex==4"> 常见问题 </div> </div> <div class="course-side"> <div class="teacher-info"> <h4 class="side-title"><span>授课老师</span></h4> <div class="teacher-content"> <div class="cont1"> <img :src="course_info.teacher.image"> <div class="name"> <p class="teacher-name">{{ course_info.teacher.name }} {{ course_info.teacher.title }}</p> <p class="teacher-title">{{ course_info.teacher.signature }}</p> </div> </div> <p class="narrative">{{ course_info.teacher.brief }}</p> </div> </div> </div> </div> </div> <Footer/> </div> </template> <script> import Header from "@/components/Header" import Footer from "@/components/Footer" export default { name: "Detail", data() { return { tabIndex: 2, // 当前选项卡显示的下标 course_id: 0, // 当前课程信息的ID course_info: { teacher: {}, }, // 课程信息 course_chapters: [], // 课程的章节课时列表 } }, created() { this.get_course_id(); this.get_course_data(); this.get_chapter(); }, methods: { onPlayerPlay() { // 当视频播放时，执行的方法 console.log('视频开始播放') }, onPlayerPause() { // 当视频暂停播放时，执行的方法 console.log('视频暂停，可以打开广告了') }, get_course_id() { // 获取地址栏上面的课程ID this.course_id = this.$route.params.pk || this.$route.query.pk; if (this.course_id < 1) { let _this = this; _this.$alert("对不起，当前视频不存在！", "警告", { callback() { _this.$router.go(-1); } }); } }, get_course_data() { // ajax请求课程信息，根据课程id号获取相应的课程详情 // http://127.0.0.1:8000/course/course/?course=(pk) this.$axios.get(`${this.$settings.BASE_URL}/course/course/${this.course_id}/`).then(response => { // window.console.log(response.data); this.course_info = response.data.data; console.log(this.course_info) }).catch(() => { this.$message({ message: "对不起，访问页面出错！请联系客服工作人员！" }); }) }, get_chapter() { // 获取当前课程对应的章节课时信息 this.$axios.get(`${this.$settings.BASE_URL}/course/coursechapter/`, { params: { "course": this.course_id, } }).then(response => { this.course_chapters = response.data.data; }).catch(error => { window.console.log(error.response); }) }, }, components: { Header, Footer, } } </script> <style scoped> .main { background: #fff; padding-top: 30px; } .course-info { width: 1200px; margin: 0 auto; overflow: hidden; } .wrap-left { float: left; width: 690px; height: 388px; background-color: #000; } .wrap-right { float: left; position: relative; height: 388px; } .course-name { font-size: 20px; color: #333; padding: 10px 23px; letter-spacing: .45px; } .data { padding-left: 23px; padding-right: 23px; padding-bottom: 16px; font-size: 14px; color: #9b9b9b; } .sale-time { width: 464px; background: #fa6240; font-size: 14px; color: #4a4a4a; padding: 10px 23px; overflow: hidden; } .sale-type { font-size: 16px; color: #fff; letter-spacing: .36px; float: left; } .sale-time .expire { font-size: 14px; color: #fff; float: right; } .sale-time .expire .second { width: 24px; display: inline-block; background: #fafafa; color: #5e5e5e; padding: 6px 0; text-align: center; } .course-price { background: #fff; font-size: 14px; color: #4a4a4a; padding: 5px 23px; } .discount { font-size: 26px; color: #fa6240; margin-left: 10px; display: inline-block; margin-bottom: -5px; } .original { font-size: 14px; color: #9b9b9b; margin-left: 10px; text-decoration: line-through; } .buy { width: 464px; padding: 0px 23px; position: absolute; left: 0; bottom: 20px; overflow: hidden; } .buy .buy-btn { float: left; } .buy .buy-now { width: 125px; height: 40px; border: 0; background: #ffc210; border-radius: 4px; color: #fff; cursor: pointer; margin-right: 15px; outline: none; } .buy .free { width: 125px; height: 40px; border-radius: 4px; cursor: pointer; margin-right: 15px; background: #fff; color: #ffc210; border: 1px solid #ffc210; } .add-cart { float: right; font-size: 14px; color: #ffc210; text-align: center; cursor: pointer; margin-top: 10px; } .add-cart img { width: 20px; height: 18px; margin-right: 7px; vertical-align: middle; } .course-tab { width: 100%; background: #fff; margin-bottom: 30px; box-shadow: 0 2px 4px 0 #f0f0f0; } .course-tab .tab-list { width: 1200px; margin: auto; color: #4a4a4a; overflow: hidden; } .tab-list li { float: left; margin-right: 15px; padding: 26px 20px 16px; font-size: 17px; cursor: pointer; } .tab-list .active { color: #ffc210; border-bottom: 2px solid #ffc210; } .tab-list .free { color: #fb7c55; } .course-content { width: 1200px; margin: 0 auto; background: #FAFAFA; overflow: hidden; padding-bottom: 40px; } .course-tab-list { width: 880px; height: auto; padding: 20px; background: #fff; float: left; box-sizing: border-box; overflow: hidden; position: relative; box-shadow: 0 2px 4px 0 #f0f0f0; } .tab-item { width: 880px; background: #fff; padding-bottom: 20px; box-shadow: 0 2px 4px 0 #f0f0f0; } .tab-item-title { justify-content: space-between; padding: 25px 20px 11px; border-radius: 4px; margin-bottom: 20px; border-bottom: 1px solid #333; border-bottom-color: rgba(51, 51, 51, .05); overflow: hidden; } .chapter { font-size: 17px; color: #4a4a4a; float: left; } .chapter-length { float: right; font-size: 14px; color: #9b9b9b; letter-spacing: .19px; } .chapter-title { font-size: 16px; color: #4a4a4a; letter-spacing: .26px; padding: 12px; background: #eee; border-radius: 2px; display: -ms-flexbox; display: flex; -ms-flex-align: center; align-items: center; } .chapter-title img { width: 18px; height: 18px; margin-right: 7px; vertical-align: middle; } .section-list { padding: 0 20px; } .section-list .section-item { padding: 15px 20px 15px 36px; cursor: pointer; justify-content: space-between; position: relative; overflow: hidden; } .section-item .name { font-size: 14px; color: #666; float: left; } .section-item .index { margin-right: 5px; } .section-item .free { font-size: 12px; color: #fff; letter-spacing: .19px; background: #ffc210; border-radius: 100px; padding: 1px 9px; margin-left: 10px; } .section-item .time { font-size: 14px; color: #666; letter-spacing: .23px; opacity: 1; transition: all .15s ease-in-out; float: right; } .section-item .time img { width: 18px; height: 18px; margin-left: 15px; vertical-align: text-bottom; } .section-item .try { width: 86px; height: 28px; background: #ffc210; border-radius: 4px; font-size: 14px; color: #fff; position: absolute; right: 20px; top: 10px; opacity: 0; transition: all .2s ease-in-out; cursor: pointer; outline: none; border: none; } .section-item:hover { background: #fcf7ef; box-shadow: 0 0 0 0 #f3f3f3; } .section-item:hover .name { color: #333; } .section-item:hover .try { opacity: 1; } .course-side { width: 300px; height: auto; margin-left: 20px; float: right; } .teacher-info { background: #fff; margin-bottom: 20px; box-shadow: 0 2px 4px 0 #f0f0f0; } .side-title { font-weight: normal; font-size: 17px; color: #4a4a4a; padding: 18px 14px; border-bottom: 1px solid #333; border-bottom-color: rgba(51, 51, 51, .05); } .side-title span { display: inline-block; border-left: 2px solid #ffc210; padding-left: 12px; } .teacher-content { padding: 30px 20px; box-sizing: border-box; } .teacher-content .cont1 { margin-bottom: 12px; overflow: hidden; } .teacher-content .cont1 img { width: 54px; height: 54px; margin-right: 12px; float: left; } .teacher-content .cont1 .name { float: right; } .teacher-content .cont1 .teacher-name { width: 188px; font-size: 16px; color: #4a4a4a; padding-bottom: 4px; } .teacher-content .cont1 .teacher-title { width: 188px; font-size: 13px; color: #9b9b9b; white-space: nowrap; } .teacher-content .narrative { font-size: 14px; color: #666; line-height: 24px; } </style>
<template> <div class="course"> <Header></Header> <div class="main"> <!-- 筛选条件 --> <div class="condition"> <ul class="cate-list"> <li class="title">课程分类:</li> <li :class="filter.course_category==0?'this':''" @click="filter.course_category=0">全部</li> <li :class="filter.course_category==category.id?'this':''" v-for="category in category_list" @click="filter.course_category=category.id" :key="category.name">{{ category.name }} </li> </ul>
<div class="ordering"> <ul> <li class="title">筛 选:</li> <li class="default" :class="(filter.ordering=='id' || filter.ordering=='-id')?'this':''" @click="filter.ordering='-id'">默认 </li> <li class="hot" :class="(filter.ordering=='students' || filter.ordering=='-students')?'this':''" @click="filter.ordering=(filter.ordering=='-students'?'students':'-students')">人气 </li> <li class="price" :class="filter.ordering=='price'?'price_up this':(filter.ordering=='-price'?'price_down this':'')" @click="filter.ordering=(filter.ordering=='-price'?'price':'-price')">价格 </li> </ul> <p class="condition-result">共{{ course_total }}个课程</p> </div>
</div> <!-- 课程列表 --> <div class="course-list"> <div class="course-item" v-for="course in course_list" :key="course.name"> <div class="course-image"> <img :src="course.course_img" alt=""> </div> <div class="course-info"> <h3> <router-link :to="'/course/detail/'+course.id">{{ course.name }}</router-link> <span><img src="@/assets/img/avatar1.svg" alt="">{{ course.students }}人已加入学习</span> </h3> <p class="teather-info"> {{ course.teacher.name }} {{ course.teacher.title }} {{ course.teacher.signature }} <span v-if="course.sections>course.pub_sections">共{{ course.sections }}课时/已更新{{ course.pub_sections }}课时</span> <span v-else>共{{ course.sections }}课时/更新完成</span> </p> <ul class="section-list"> <li v-for="(section, key) in course.section_list" :key="section.name"><span class="section-title">0{{ key + 1 }} | {{ section.name }}</span> <span class="free" v-if="section.free_trail">免费</span></li> </ul> <div class="pay-box"> <div v-if="course.discount_type"> <span class="discount-type">{{ course.discount_type }}</span> <span class="discount-price">￥{{ course.real_price }}元</span> <span class="original-price">原价：{{ course.price }}元</span> </div> <span v-else class="discount-price">￥{{ course.price }}元</span> <span class="buy-now">立即购买</span> </div> </div> </div> </div> <div class="course_pagination block"> <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page.sync="filter.page" :page-sizes="[1, 2, 3, 5, 10]" :page-size="filter.page_size" layout="sizes, prev, pager, next" :total="course_total"> </el-pagination> </div> </div> <Footer></Footer> </div></template>
<script>import Header from "@/components/Header"import Footer from "@/components/Footer"
export default { name: "Course", data() { return { category_list: [], // 课程分类列表 course_list: [], // 课程列表 course_total: 0, // 当前课程的总数量 filter: { course_category: 0, // 当前用户选择的课程分类，刚进入页面默认为全部，值为0 ordering: "-id", // 数据的排序方式，默认值是-id，表示对于id进行降序排列 page_size: 1, // 单页数据量 page: 1, } } }, created() { this.get_category(); this.get_course(); }, components: { Header, Footer, }, watch: { "filter.course_category": function () { this.filter.page = 1; this.get_course(); }, "filter.ordering": function () { this.get_course(); }, "filter.page_size": function () { this.get_course(); }, "filter.page": function () { this.get_course(); } }, methods: {
handleSizeChange(val) { // 每页数据量发生变化时执行的方法 this.filter.page = 1; this.filter.page_size = val; }, handleCurrentChange(val) { // 页码发生变化时执行的方法 this.filter.page = val; }, get_category() { // 获取课程分类信息 this.$axios.get(`${this.$settings.BASE_URL}/course/category/`).then(response => { console.log(response.data) this.category_list = response.data.data; }).catch(() => { this.$message({ message: "获取课程分类信息有误，请联系客服工作人员", }) }) }, get_course() { // 排序 let filters = { ordering: this.filter.ordering, // 排序 }; // 判决是否进行分类课程的展示 if (this.filter.course_category > 0) { filters.course_category = this.filter.course_category; }
// 设置单页数据量 if (this.filter.page_size > 0) { filters.page_size = this.filter.page_size; } else { filters.page_size = 5; }
// 设置当前页码 if (this.filter.page > 1) { filters.page = this.filter.page; console.log(filters.page) } else { filters.page = 1; }
// 获取课程列表信息 this.$axios.get(`${this.$settings.BASE_URL}/course/course/`, { params: filters }).then(response => { console.log(response.data); this.course_list = response.data.data.results; this.course_total = response.data.data.count;
// console.log(this.course_list); }).catch(() => { this.$message({ message: "获取课程信息有误，请联系客服工作人员" }) }) } }}</script>
<style scoped>.course { background: #f6f6f6;}
.course .main { width: 1100px; margin: 35px auto 0;}
.course .condition { margin-bottom: 35px; padding: 25px 30px 25px 20px; background: #fff; border-radius: 4px; box-shadow: 0 2px 4px 0 #f0f0f0;}
.course .cate-list { border-bottom: 1px solid #333; border-bottom-color: rgba(51, 51, 51, .05); padding-bottom: 18px; margin-bottom: 17px;}
.course .cate-list::after { content: ""; display: block; clear: both;}
.course .cate-list li { float: left; font-size: 16px; padding: 6px 15px; line-height: 16px; margin-left: 14px; position: relative; transition: all .3s ease; cursor: pointer; color: #4a4a4a; border: 1px solid transparent; /* transparent 透明 */}
.course .cate-list .title { color: #888; margin-left: 0; letter-spacing: .36px; padding: 0; line-height: 28px;}
.course .cate-list .this { color: #ffc210; border: 1px solid #ffc210 !important; border-radius: 30px;}
.course .ordering::after { content: ""; display: block; clear: both;}
.course .ordering ul { float: left;}
.course .ordering ul::after { content: ""; display: block; clear: both;}
.course .ordering .condition-result { float: right; font-size: 14px; color: #9b9b9b; line-height: 28px;}
.course .ordering ul li { float: left; padding: 6px 15px; line-height: 16px; margin-left: 14px; position: relative; transition: all .3s ease; cursor: pointer; color: #4a4a4a;}
.course .ordering .title { font-size: 16px; color: #888; letter-spacing: .36px; margin-left: 0; padding: 0; line-height: 28px;}
.course .ordering .this { color: #ffc210;}
.course .ordering .price { position: relative;}
.course .ordering .price::before,.course .ordering .price::after { cursor: pointer; content: ""; display: block; width: 0px; height: 0px; border: 5px solid transparent; position: absolute; right: 0;}
.course .ordering .price::before { border-bottom: 5px solid #aaa; margin-bottom: 2px; top: 2px;}
.course .ordering .price::after { border-top: 5px solid #aaa; bottom: 2px;}
.course .ordering .price_up::before { border-bottom-color: #ffc210;}
.course .ordering .price_down::after { border-top-color: #ffc210;}
.course .course-item:hover { box-shadow: 4px 6px 16px rgba(0, 0, 0, .5);}
.course .course-item { width: 1100px; background: #fff; padding: 20px 30px 20px 20px; margin-bottom: 35px; border-radius: 2px; cursor: pointer; box-shadow: 2px 3px 16px rgba(0, 0, 0, .1); /* css3.0 过渡动画 hover 事件操作 */ transition: all .2s ease;}
.course .course-item::after { content: ""; display: block; clear: both;}
/* 顶级元素 父级元素 当前元素{} */.course .course-item .course-image { float: left; width: 423px; height: 210px; margin-right: 30px;}
.course .course-item .course-image img { max-width: 100%; max-height: 210px;}
.course .course-item .course-info { float: left; width: 596px;}
.course-item .course-info h3 a { font-size: 26px; color: #333; font-weight: normal; margin-bottom: 8px;}
.course-item .course-info h3 span { font-size: 14px; color: #9b9b9b; float: right; margin-top: 14px;}
.course-item .course-info h3 span img { width: 11px; height: auto; margin-right: 7px;}
.course-item .course-info .teather-info { font-size: 14px; color: #9b9b9b; margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px solid #333; border-bottom-color: rgba(51, 51, 51, .05);}
.course-item .course-info .teather-info span { float: right;}
.course-item .section-list::after { content: ""; display: block; clear: both;}
.course-item .section-list li { float: left; width: 44%; font-size: 14px; color: #666; padding-left: 22px; /* background: url("路径") 是否平铺 x轴位置 y轴位置 */ background: url("/src/assets/img/play-icon-gray.svg") no-repeat left 4px; margin-bottom: 15px;}
.course-item .section-list li .section-title { /* 以下3句，文本内容过多，会自动隐藏，并显示省略符号 */ text-overflow: ellipsis; overflow: hidden; white-space: nowrap; display: inline-block; max-width: 200px;}
.course-item .section-list li:hover { background-image: url("/src/assets/img/play-icon-yellow.svg"); color: #ffc210;}
.course-item .section-list li .free { width: 34px; height: 20px; color: #fd7b4d; vertical-align: super; margin-left: 10px; border: 1px solid #fd7b4d; border-radius: 2px; text-align: center; font-size: 13px; white-space: nowrap;}
.course-item .section-list li:hover .free { color: #ffc210; border-color: #ffc210;}
.course-item { position: relative;}
.course-item .pay-box { position: absolute; bottom: 20px; width: 600px;}
.course-item .pay-box::after { content: ""; display: block; clear: both;}
.course-item .pay-box .discount-type { padding: 6px 10px; font-size: 16px; color: #fff; text-align: center; margin-right: 8px; background: #fa6240; border: 1px solid #fa6240; border-radius: 10px 0 10px 0; float: left;}
.course-item .pay-box .discount-price { font-size: 24px; color: #fa6240; float: left;}
.course-item .pay-box .original-price { text-decoration: line-through; font-size: 14px; color: #9b9b9b; margin-left: 10px; float: left; margin-top: 10px;}
.course-item .pay-box .buy-now { width: 120px; height: 38px; background: transparent; color: #fa6240; font-size: 16px; border: 1px solid #fd7b4d; border-radius: 3px; transition: all .2s ease-in-out; float: right; text-align: center; line-height: 38px; position: absolute; right: 0; bottom: 5px;}
.course-item .pay-box .buy-now:hover { color: #fff; background: #ffc210; border: 1px solid #ffc210;}
.course .course_pagination { margin-bottom: 60px; text-align: center;}</style>
