• 课程搜索接口


    课程搜索接口

    # 搜索接口
    class CourseSearchView(GenericViewSet, ListModelMixin):
        queryset = models.Course.objects.filter(is_delete=False, is_show=True).order_by('orders')
        serializer_class = serializer.CourseModelSerializer
        # pagination_class = PageNumberPagination
    
        filter_backends = [SearchFilter]
        search_fields = ['name']
        
    #可以用django-filter自定义扩展过滤类
    

    前台搜索页面

    # 0 在Head.vue中相应的配置
    
    
    # 1  vue带给另一个页面值
        -路由:path: '/free/detail/:pk',this.$route.params.pk  从路径中取值
    	-search?word=dsa  去this.$route.query.word   从?后面的取
        
        
    # 2 样式
    <template>
        <div class="search-course course">
            <Header/>
            <h1>总共搜索到 {{course_total}}课程</h1>
            <!-- 课程列表 -->
            <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/Head'
    
        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 {
             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;
             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 {
             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;
             423px;
            height: 210px;
            margin-right: 30px;
        }
    
        .course .course-item .course-image img {
            max- 100%;
            max-height: 210px;
        }
    
        .course .course-item .course-info {
            float: left;
             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 {
             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;
             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- 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 {
             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;
             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 {
             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>  
    

  • 相关阅读:
    Java FileInputStream与FileReader的区别
    java 保存和读取本地json文件
    java写文件时往末尾追加文件(而不是覆盖原文件),的两种方法总结
    Java魔法堂:注解用法详解——@SuppressWarnings
    使用Restlet Client发送各种Get和Post请求
    postman VS restlet client基本使用
    Java获取请求客户端的真实IP地址
    dom4j解析xml字符串实例
    C++ Boost库简介(一些自己的感受)
    打仗其实最讲成本核算,大炮轰的都是黄金,日军在中国就是不断赔本
  • 原文地址:https://www.cnblogs.com/surpass123/p/13394666.html
Copyright © 2020-2023  润新知