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今日内容，luffy项目课程详情页前后端

时间：2022-11-18 21:13:11浏览次数：77  
标签：课程 item color margin bottom course 详情页 luffy border

  • 课程详情页接口

路由

router.register('chapter', views.CourseChapterView, 'chapter')

视图类

class CourseChapterView(GenericViewSet, CommonListModelMixin):
    queryset = CourseChapter.objects.all().filter(is_delete=False, is_show=True).order_by('orders')
    serializer_class = CourseChapterSerializer
    filter_backends = [DjangoFilterBackend]
    filterset_fields = ['course']

序列化类

class CourseSectionSerializer(serializers.ModelSerializer):
    class Meta:
        model = CourseSection
        fields = '__all__'


class CourseChapterSerializer(serializers.ModelSerializer):
    # 三种：序列化类中写，表模型中写，子序列化
    # 一个章节下，有很多课时，课时是多条，子序列化的时候，一定不要忘了many=True
    coursesections = CourseSectionSerializer(many=True)

    class Meta:
        model = CourseChapter
        fields = ['id', 'chapter', 'name', 'summary', 'coursesections']

  • 课程列表前端

<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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;选:</li>
            <li class="default" :class="(filter.ordering=='id' || filter.ordering=='-id')?'this':''"
                @click="filter.ordering='orders'">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="'/free/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="[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: "orders",    // 数据的排序方式，默认值是orders，表示对于id进行降序排列
        size: 2,       // 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.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.$settings.BASE_URL}course/category/`).then(response => {
        this.category_list = response.data.result;
      }).catch(() => {
        this.$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.size = this.filter.size;
      } else {
        filters.size = 5;
      }

      // 设置当前页码
      if (this.filter.page > 1) {
        filters.page = this.filter.page;
      } else {
        filters.page = 1;
      }
      // 构造出查询数据
      //filters:{ordering:orders,page:1,size:5,course_category:0}

      // 获取课程列表信息
      this.$axios.get(`${this.$settings.BASE_URL}course/list/`, {
        params: filters
      }).then(response => {
        // console.log(response.data);
        this.course_list = response.data.results;
        this.course_total = response.data.count;
        // console.log(this.course_list);
      }).catch(() => {
        this.$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 详情前端
**视频播放器**

如果用不了，使用这个：https://www.cnblogs.com/liuqingzheng/p/16204851.html

前端使用视频播放器：

cnpm install vue-video-player@5

main.js中配置

import 'video.js/dist/video-js.css'
import 'vue-video-player/src/custom-theme.css'
import VideoPlayer from 'vue-video-player'
Vue.use(VideoPlayer);

视频的配置参数

export default {
  data() {
    return {
      playerOptions: {
        playbackRates: [0.5, 1.0, 1.5, 2.0], // 可选的播放速度
        autoplay: false, // 如果为true,浏览器准备好时开始回放。
        muted: false, // 默认情况下将会消除任何音频。
        loop: false, // 是否视频一结束就重新开始。
        preload: 'auto', // 建议浏览器在<video>加载元素后是否应该开始下载视频数据。auto浏览器选择最佳行为,立即开始加载视频（如果浏览器支持）
        language: 'zh-CN',
        aspectRatio: '16:9', // 将播放器置于流畅模式，并在计算播放器的动态大小时使用该值。值应该代表一个比例 - 用冒号分隔的两个数字（例如"16:9"或"4:3"）
        fluid: true, // 当true时，Video.js player将拥有流体大小。换句话说，它将按比例缩放以适应其容器。
        sources: [{
          type: "video/mp4", // 类型   type: "application/x-mpegURL"直播流
          src: '' // url地址
        }],
        poster: '', // 封面地址
        notSupportedMessage: '此视频暂无法播放，请稍后再试', // 允许覆盖Video.js无法播放媒体源时显示的默认信息。
        controlBar: {
          timeDivider: true, // 当前时间和持续时间的分隔符
          durationDisplay: true, // 显示持续时间
          remainingTimeDisplay: false, // 是否显示剩余时间功能
          fullscreenToggle: true // 是否显示全屏按钮
        }
      }
    }
  }
}

**课程详情页前端vue**

**视频托管**
```python
# 课程视频，比较多，如果传到自己服务器放到media文件夹

#文件存储服务器
	-ceph
    -fastdfs
    -go-fastdfs
    -MinIO
    -第三方存储
# 阿里oss:
# 第三方七牛云：
	-上海公司
    -技术驱动型公司：ceo 许式伟 -国内第一批使用go语言的，全线go语言 
    -go+ 语言 
    
    -七牛云：
    	-注册账号
        -创建空间（桶）
        -上传文件：
        	-1 直接上传
            -2 使用代码上传
            	-python：sdk
                -前端上传:js代码案例
# 公司内部存储：fastdfs
	https://zhuanlan.zhihu.com/p/372286804
    
# MinIO
	-部署完：http://docs.minio.org.cn/docs/master/minio-docker-quickstart-guide
    -web管理页面：类似于七牛云
    -python的sdk上传

  • 搜索导航栏

Header.vue

<form class="search">
    <div class="tips" v-if="is_search_tip">
        <span @click="search_action('Python')">Python</span>
        <span @click="search_action('Linux')">Linux</span>
    </div>
    <input type="text" :placeholder="search_placeholder" @focus="on_search" @blur="off_search" v-model="search_word">
    <button type="button" class="glyphicon glyphicon-search" @click="search_action(search_word)"></button>
</form>

<script>
    export default {
        data() {
            return {
                is_search_tip: true,
                search_placeholder: '',
                search_word: ''
            }
        },
        methods: {
            search_action(search_word) {
                if (!search_word) {
                    this.$message('请输入要搜索的内容');
                    return
                }
                if (search_word !== this.$route.query.word) {
                    this.$router.push(`/course/search?word=${search_word}`);
                }
                this.search_word = '';
            },
            on_search() {
                this.search_placeholder = '请输入想搜索的课程';
                this.is_search_tip = false;
            },
            off_search() {
                this.search_placeholder = '';
                this.is_search_tip = true;
            },
        },
    }
</script>

<style scoped>
    .search {
        float: right;
        position: relative;
        margin-top: 22px;
        margin-right: 10px;
    }

    .search input, .search button {
        border: none;
        outline: none;
        background-color: white;
    }

    .search input {
        border-bottom: 1px solid #eeeeee;
    }

    .search input:focus {
        border-bottom-color: orange;
    }

    .search input:focus + button {
        color: orange;
    }

    .search .tips {
        position: absolute;
        bottom: 3px;
        left: 0;
    }

    .search .tips span {
        border-radius: 11px;
        background-color: #eee;
        line-height: 22px;
        display: inline-block;
        padding: 0 7px;
        margin-right: 3px;
        cursor: pointer;
        color: #aaa;
        font-size: 14px;

    }

    .search .tips span:hover {
        color: orange;
    }
</style>

  • 搜索后台接口

路由

router.register('search', views.CourseSearchView, 'search')

视图函数

# es:分布式的全文检索引擎，实现像百度搜索的样子
class CourseSearchView(GenericViewSet, ListModelMixin):
    queryset = Course.objects.all().filter(is_delete=False, is_show=True).order_by('orders')
    serializer_class = CourseSerializer
    pagination_class =PageNumberPagination
    filter_backends=[SearchFilter]
    # 加过滤：按课程分类过滤-- django-filter实现
    search_fields=['name']
    # 目前只能搜实战课 ：轻课，实战课，免费课

    # def list(self, request, *args, **kwargs):
    #     res=super().list( request, *args, **kwargs)
    #     # res.data   是搜出来的实战课课程
    #
    #     #搜轻课
    #     words=request.query_params.get('search')
    #     # 去轻课表搜
    #     # 去免费课表搜
    #
    #     #{code:100,msg:成功，actual_list:[{},{},{}],free_list:[{},{},{}],light_list:[{},{},{}]}
    #
    #     return APIResponse(code=100,msg='成功',actual_list=res.data,free_list='',light_list='')

  • 搜索前端页面

路由配置

{
    path: '/course/search',
    name: 'search',
    component: SearchView
},

<template>
  <div class="search-course course">
    <Header/>
    <div class="main">
      <div v-if="course_list.length > 0" 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="'/free/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 v-else style="text-align: center; line-height: 60px">
        没有搜索结果
      </div>
      <div class="course_pagination block">
        <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page.sync="filter.page"
            :page-sizes="[2, 3, 5, 10]"
            :page-size="filter.page_size"
            layout="sizes, prev, pager, next"
            :total="course_total">
        </el-pagination>
      </div>
    </div>
  </div>
</template>

<script>
import Header from '../components/Header'

export default {
  name: "SearchCourse",
  components: {
    Header,
  },
  data() {
    return {
      course_list: [],
      course_total: 0,
      filter: {
        page_size: 10,
        page: 1,
        search: '',
      }
    }
  },
  created() {
    this.get_course()
  },
  watch: {
    '$route.query'() {
      this.get_course()
    }
  },
  methods: {
    handleSizeChange(val) {
      // 每页数据量发生变化时执行的方法
      this.filter.page = 1;
      this.filter.page_size = val;
    },
    handleCurrentChange(val) {
      // 页码发生变化时执行的方法
      this.filter.page = val;
    },
    get_course() {
      // 获取搜索的关键字
      this.filter.search = this.$route.query.word || this.$route.query.wd;

      // 获取课程列表信息
      this.$axios.get(`${this.$settings.BASE_URL}course/search/`, {
        params: this.filter
      }).then(response => {
        // 如果后台不分页，数据在response.data中；如果后台分页，数据在response.data.results中
        this.course_list = response.data.results;
        this.course_total = response.data.count;
      }).catch(() => {
        this.$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>

标签：课程,item,color,margin,bottom,course,详情页,luffy,border
From： https://www.cnblogs.com/tai-yang77/p/16904886.html

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