1500字范文 > Django框架项目之课程主页——课程页页面课程表分析课程表数据课程页面课程接

Django框架项目之课程主页——课程页页面课程表分析课程表数据课程页面课程接

时间：2023-01-07 02:35:14

文章目录

1-课程页页面课程组件 2 课程主页之课程表分析课程表分析免费课案例创建models：course/models.py注册models：course/adminx.py数据库迁移 3-课程主页之课程表数据资源手动迁移老师表分类表课程表章节表课时表 4-课程主页之课程页面课程组件 5-课程主页之课程接口路由：course/urls.py视图：course/views.py分类区间过滤：filters.py分页：paginations.py模型：course/models.py序列化：course/serializers.py补充 6-课程详情页之前台详情页组件依赖：在luffycity目录下的命令配置：main.js资源：图片放置assrts/img文件夹路由：router.js组件 7-课程详情页之后台详情页后台路由：source/urls.py视图：source/views.py序列化：source/serializers.py

1-课程页页面

课程组件

<template><div class="course"><Header></Header><div class="main"><div class="condition"><ul class="cate-list"><li class="title">课程分类:</li><li class="this">全部</li><li>Python</li><li>Linux运维</li><li>Python进阶</li><li>开发工具</li><li>Go语言</li><li>机器学习</li><li>技术生涯</li></ul><div class="ordering"><ul><li class="title">筛        选:</li><li class="default this">默认</li><li class="hot">人气</li><li class="price">价格</li></ul><p class="condition-result">共21个课程</p></div></div><div class="course-list"><div class="course-item"><div class="course-image"><img src="@/assets/img/course-cover.jpeg" alt=""></div><div class="course-info"><h3>Python开发21天入门 <span><img src="@/assets/img/avatar1.svg" alt="">100人已加入学习</span></h3><p class="teather-info">Alex 金角大王老男孩Python教学总监 <span>共154课时/更新完成</span></p><ul class="lesson-list"><li><span class="lesson-title">01 | 第1节：初识编码</span> <span class="free">免费</span></li><li><span class="lesson-title">01 | 第1节：初识编码初识编码</span> <span class="free">免费</span></li><li><span class="lesson-title">01 | 第1节：初识编码</span></li><li><span class="lesson-title">01 | 第1节：初识编码初识编码</span></li></ul><div class="pay-box"><span class="discount-type">限时免费</span><span class="discount-price">￥0.00元</span><span class="original-price">原价：9.00元</span><span class="buy-now">立即购买</span></div></div></div><div class="course-item"><div class="course-image"><img src="@/assets/img/course-cover.jpeg" alt=""></div><div class="course-info"><h3>Python开发21天入门 <span><img src="@/assets/img/avatar1.svg" alt="">100人已加入学习</span></h3><p class="teather-info">Alex 金角大王老男孩Python教学总监 <span>共154课时/更新完成</span></p><ul class="lesson-list"><li><span class="lesson-title">01 | 第1节：初识编码</span> <span class="free">免费</span></li><li><span class="lesson-title">01 | 第1节：初识编码初识编码</span> <span class="free">免费</span></li><li><span class="lesson-title">01 | 第1节：初识编码</span></li><li><span class="lesson-title">01 | 第1节：初识编码初识编码</span></li></ul><div class="pay-box"><span class="discount-type">限时免费</span><span class="discount-price">￥0.00元</span><span class="original-price">原价：9.00元</span><span class="buy-now">立即购买</span></div></div></div><div class="course-item"><div class="course-image"><img src="@/assets/img/course-cover.jpeg" alt=""></div><div class="course-info"><h3>Python开发21天入门 <span><img src="@/assets/img/avatar1.svg" alt="">100人已加入学习</span></h3><p class="teather-info">Alex 金角大王老男孩Python教学总监 <span>共154课时/更新完成</span></p><ul class="lesson-list"><li><span class="lesson-title">01 | 第1节：初识编码</span> <span class="free">免费</span></li><li><span class="lesson-title">01 | 第1节：初识编码初识编码</span> <span class="free">免费</span></li><li><span class="lesson-title">01 | 第1节：初识编码</span></li><li><span class="lesson-title">01 | 第1节：初识编码初识编码</span></li></ul><div class="pay-box"><span class="discount-type">限时免费</span><span class="discount-price">￥0.00元</span><span class="original-price">原价：9.00元</span><span class="buy-now">立即购买</span></div></div></div><div class="course-item"><div class="course-image"><img src="@/assets/img/course-cover.jpeg" alt=""></div><div class="course-info"><h3>Python开发21天入门 <span><img src="@/assets/img/avatar1.svg" alt="">100人已加入学习</span></h3><p class="teather-info">Alex 金角大王老男孩Python教学总监 <span>共154课时/更新完成</span></p><ul class="lesson-list"><li><span class="lesson-title">01 | 第1节：初识编码</span> <span class="free">免费</span></li><li><span class="lesson-title">01 | 第1节：初识编码初识编码</span> <span class="free">免费</span></li><li><span class="lesson-title">01 | 第1节：初识编码</span></li><li><span class="lesson-title">01 | 第1节：初识编码初识编码</span></li></ul><div class="pay-box"><span class="discount-type">限时免费</span><span class="discount-price">￥0.00元</span><span class="original-price">原价：9.00元</span><span class="buy-now">立即购买</span></div></div></div></div></div></div></template><script>import Header from "@/components/Header"// import Footer from "@/components/Footer"export default {name: "Course",data() {return {category: 0,}},components: {Header,// Footer,}}</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 .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 {width: 100%;}.course .course-item .course-info {float: left;width: 596px;}.course-item .course-info h3 {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 .lesson-list::after {content: "";display: block;clear: both;}.course-item .lesson-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 .lesson-list li .lesson-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 .lesson-list li:hover {background-image: url("/src/assets/img/play-icon-yellow.svg");color: #ffc210;}.course-item .lesson-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 .lesson-list li:hover .free {color: #ffc210;border-color: #ffc210;}.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;}.course-item .pay-box .buy-now:hover {color: #fff;background: #ffc210;border: 1px solid #ffc210;}</style>

2 课程主页之课程表分析

课程表分析

class Course(models.Model):name = models.CharField(max_length=64)title = models.CharField(max_length=64)students = models.IntegerField(default=0)level = models.IntegerField(choices=((0, '入门'), (1, '进阶')), default=0)time = models.IntegerField(default=0)detail = models.TextField() # 可以关联详情表type = models.IntegerField(choices=((0, 'Python'), (1, 'Linux')), default=0)is_show = models.BooleanField(default=False)class Meta:abstract = True# 免费课class FreeCourse(Course):image = models.ImageField(upload_to='course/free')attachment = models.FileField(upload_to='attachment')# 实战课class ActualCourse(Course):image = models.ImageField(upload_to='course/actual')price = models.DecimalField(max_digits=7, decimal_places=2)cost = models.DecimalField(max_digits=7, decimal_places=2)# 轻课class LightCourse(Course):image = models.ImageField(upload_to='course/light')price = models.DecimalField(max_digits=7, decimal_places=2)cost = models.DecimalField(max_digits=7, decimal_places=2)period = models.IntegerField(verbose_name='学习建议周期(month)', default=0)# 评论表：分三个表、(id，ctx，date，user_id，free_course_id, comment_id)# 老师表：在课程表建立多对一外键# 章节表：在章节表建立多对一外键关联课程# 课时表：在课时表建立多对一外键关联章节

免费课案例

创建models：course/models.py

class CourseCategory(BaseModel):"""分类"""name = models.CharField(max_length=64, unique=True, verbose_name="分类名称")class Meta:db_table = "luffy_course_category"verbose_name = "分类"verbose_name_plural = verbose_namedef __str__(self):return "%s" % self.name

class Course(BaseModel):"""课程"""course_type = ((0, '付费'),(1, 'VIP专享'),(2, '学位课程'))level_choices = ((0, '初级'),(1, '中级'),(2, '高级'),)status_choices = ((0, '上线'),(1, '下线'),(2, '预上线'),)name = models.CharField(max_length=128, verbose_name="课程名称")course_img = models.ImageField(upload_to="courses", max_length=255, verbose_name="封面图片", blank=True, null=True)course_type = models.SmallIntegerField(choices=course_type, default=0, verbose_name="付费类型")# 使用这个字段的原因brief = models.TextField(max_length=2048, verbose_name="详情介绍", null=True, blank=True)level = models.SmallIntegerField(choices=level_choices, default=0, verbose_name="难度等级")pub_date = models.DateField(verbose_name="发布日期", auto_now_add=True)period = models.IntegerField(verbose_name="建议学习周期(day)", default=7)attachment_path = models.FileField(upload_to="attachment", max_length=128, verbose_name="课件路径", blank=True,null=True)status = models.SmallIntegerField(choices=status_choices, default=0, verbose_name="课程状态")course_category = models.ForeignKey("CourseCategory", on_delete=models.SET_NULL, db_constraint=False, null=True, blank=True,verbose_name="课程分类")students = models.IntegerField(verbose_name="学习人数", default=0)sections = models.IntegerField(verbose_name="总课时数量", default=0)pub_sections = models.IntegerField(verbose_name="课时更新数量", default=0)price = models.DecimalField(max_digits=6, decimal_places=2, verbose_name="课程原价", default=0)teacher = models.ForeignKey("Teacher", on_delete=models.DO_NOTHING, null=True, blank=True, verbose_name="授课老师")class Meta:db_table = "luffy_course"verbose_name = "课程"verbose_name_plural = "课程"def __str__(self):return "%s" % self.name

class Teacher(BaseModel):"""导师"""role_choices = ((0, '讲师'),(1, '导师'),(2, '班主任'),)name = models.CharField(max_length=32, verbose_name="导师名")role = models.SmallIntegerField(choices=role_choices, default=0, verbose_name="导师身份")title = models.CharField(max_length=64, verbose_name="职位、职称")signature = models.CharField(max_length=255, verbose_name="导师签名", help_text="导师签名", blank=True, null=True)image = models.ImageField(upload_to="teacher", null=True, verbose_name="导师封面")brief = models.TextField(max_length=1024, verbose_name="导师描述")class Meta:db_table = "luffy_teacher"verbose_name = "导师"verbose_name_plural = verbose_namedef __str__(self):return "%s" % self.name

class CourseChapter(BaseModel):"""章节"""course = models.ForeignKey("Course", related_name='coursechapters', on_delete=models.CASCADE, verbose_name="课程名称")chapter = models.SmallIntegerField(verbose_name="第几章", default=1)name = models.CharField(max_length=128, verbose_name="章节标题")summary = models.TextField(verbose_name="章节介绍", blank=True, null=True)pub_date = models.DateField(verbose_name="发布日期", auto_now_add=True)class Meta:db_table = "luffy_course_chapter"verbose_name = "章节"verbose_name_plural = verbose_namedef __str__(self):return "%s:(第%s章)%s" % (self.course, self.chapter, self.name)

class CourseSection(BaseModel):"""课时"""section_type_choices = ((0, '文档'),(1, '练习'),(2, '视频'))chapter = models.ForeignKey("CourseChapter", related_name='coursesections', on_delete=models.CASCADE,verbose_name="课程章节")name = models.CharField(max_length=128, verbose_name="课时标题")orders = models.PositiveSmallIntegerField(verbose_name="课时排序")section_type = models.SmallIntegerField(default=2, choices=section_type_choices, verbose_name="课时种类")section_link = models.CharField(max_length=255, blank=True, null=True, verbose_name="课时链接",help_text="若是video，填vid,若是文档，填link")duration = models.CharField(verbose_name="视频时长", blank=True, null=True, max_length=32) # 仅在前端展示使用pub_date = models.DateTimeField(verbose_name="发布时间", auto_now_add=True)free_trail = models.BooleanField(verbose_name="是否可试看", default=False)class Meta:db_table = "luffy_course_Section"verbose_name = "课时"verbose_name_plural = verbose_namedef __str__(self):return "%s-%s" % (self.chapter, self.name)

注册models：course/adminx.py

import xadminfrom . import modelsxadmin.site.register(models.CourseCategory)xadmin.site.register(models.Course)xadmin.site.register(models.Teacher)xadmin.site.register(models.CourseChapter)xadmin.site.register(models.CourseSection)

数据库迁移

>: python manage.py makemigrations>: python manage.py migrate

3-课程主页之课程表数据

资源手动迁移

# 头像图片放在 media/teacher 文件夹下# 课程图片放在 media/course 文件夹下

老师表

INSERT INTO luffy_teacher(id, orders, is_show, is_delete, created_time, updated_time, name, role, title, signature, image, brief) VALUES (1, 1, 1, 0, '-07-14 13:44:19.661327', '-07-14 13:46:54.246271', 'Alex', 1, '老男孩Python教学总监', '金角大王', 'teacher/alex_icon.png', '老男孩教育CTO & CO-FOUNDER 国内知名PYTHON语言推广者 51CTO学院\度最受学员喜爱10大讲师之一多款开源软件作者曾任职公安部、飞信、中金公司、NOKIA中国研究院、华尔街英语、ADVENT、汽车之家等公司');INSERT INTO luffy_teacher(id, orders, is_show, is_delete, created_time, updated_time, name, role, title, signature, image, brief) VALUES (2, 2, 1, 0, '-07-14 13:45:25.092902', '-07-14 13:45:25.092936', 'Mjj', 0, '前美团前端项目组架构师', NULL, 'teacher/mjj_icon.png', '是马JJ老师, 一个集美貌与才华于一身的男人，搞过几年IOS，又转了前端开发几年，曾就职于美团网任高级前端开发，后来因为不同意王兴(美团老板)的战略布局而出家做老师去了，有丰富的教学经验，开起车来也毫不含糊。一直专注在前端的前沿技术领域。同时，爱好抽烟、喝酒、烫头(锡纸烫)。我的最爱是前端，因为前端妹子多。');INSERT INTO luffy_teacher(id, orders, is_show, is_delete, created_time, updated_time, name, role, title, signature, image, brief) VALUES (3, 3, 1, 0, '-07-14 13:46:21.997846', '-07-14 13:46:21.997880', 'Lyy', 0, '老男孩Linux学科带头人', NULL, 'teacher/lyy_icon.png', 'Linux运维技术专家，老男孩Linux金牌讲师，讲课风趣幽默、深入浅出、声音洪亮到爆炸');

分类表

INSERT INTO luffy_course_category(id, orders, is_show, is_delete, created_time, updated_time, name) VALUES (1, 1, 1, 0, '-07-14 13:40:58.690413', '-07-14 13:40:58.690477', 'Python');INSERT INTO luffy_course_category(id, orders, is_show, is_delete, created_time, updated_time, name) VALUES (2, 2, 1, 0, '-07-14 13:41:08.249735', '-07-14 13:41:08.249817', 'Linux');

课程表

INSERT INTO luffy_course(id, orders, is_show, is_delete, created_time, updated_time, name, course_img, course_type, brief, level, pub_date, period, attachment_path, status, students, sections, pub_sections, price, course_category_id, teacher_id) VALUES (1, 1, 1, 0, '-07-14 13:54:33.095201', '-07-14 13:54:33.095238', 'Python开发21天入门', 'courses/alex_python.png', 0, 'Python从入门到入土&&&Python从入门到入土&&&Python从入门到入土&&&Python从入门到入土&&&Python从入门到入土&&&Python从入门到入土&&&Python从入门到入土&&&Python从入门到入土&&&Python从入门到入土&&&Python从入门到入土&&&Python从入门到入土&&&Python从入门到入土', 0, '-07-14', 21, '', 0, 231, 120, 120, 0.00, 1, 1);INSERT INTO luffy_course(id, orders, is_show, is_delete, created_time, updated_time, name, course_img, course_type, brief, level, pub_date, period, attachment_path, status, students, sections, pub_sections, price, course_category_id, teacher_id) VALUES (2, 2, 1, 0, '-07-14 13:56:05.051103', '-07-14 13:56:05.051142', 'Python项目实战', 'courses/mjj_python.png', 0, '', 1, '-07-14', 30, '', 0, 340, 120, 120, 99.00, 1, 2);INSERT INTO luffy_course(id, orders, is_show, is_delete, created_time, updated_time, name, course_img, course_type, brief, level, pub_date, period, attachment_path, status, students, sections, pub_sections, price, course_category_id, teacher_id) VALUES (3, 3, 1, 0, '-07-14 13:57:21.190053', '-07-14 13:57:21.190095', 'Linux系统基础5周入门精讲', 'courses/lyy_linux.png', 0, '', 0, '-07-14', 25, '', 0, 219, 100, 100, 39.00, 2, 3);

章节表

INSERT INTO luffy_course_chapter(id, orders, is_show, is_delete, created_time, updated_time, chapter, name, summary, pub_date, course_id) VALUES (1, 1, 1, 0, '-07-14 13:58:34.867005', '-07-14 14:00:58.276541', 1, '计算机原理', '', '-07-14', 1);INSERT INTO luffy_course_chapter(id, orders, is_show, is_delete, created_time, updated_time, chapter, name, summary, pub_date, course_id) VALUES (2, 2, 1, 0, '-07-14 13:58:48.051543', '-07-14 14:01:22.024206', 2, '环境搭建', '', '-07-14', 1);INSERT INTO luffy_course_chapter(id, orders, is_show, is_delete, created_time, updated_time, chapter, name, summary, pub_date, course_id) VALUES (3, 3, 1, 0, '-07-14 13:59:09.878183', '-07-14 14:01:40.048608', 1, '项目创建', '', '-07-14', 2);INSERT INTO luffy_course_chapter(id, orders, is_show, is_delete, created_time, updated_time, chapter, name, summary, pub_date, course_id) VALUES (4, 4, 1, 0, '-07-14 13:59:37.448626', '-07-14 14:01:58.709652', 1, 'Linux环境创建', '', '-07-14', 3);

课时表

INSERT INTO luffy_course_Section(id, is_show, is_delete, created_time, updated_time, name, orders, section_type, section_link, duration, pub_date, free_trail, chapter_id) VALUES (1, 1, 0, '-07-14 14:02:33.779098', '-07-14 14:02:33.779135', '计算机原理上', 1, 2, NULL, NULL, '-07-14 14:02:33.779193', 1, 1);INSERT INTO luffy_course_Section(id, is_show, is_delete, created_time, updated_time, name, orders, section_type, section_link, duration, pub_date, free_trail, chapter_id) VALUES (2, 1, 0, '-07-14 14:02:56.657134', '-07-14 14:02:56.657173', '计算机原理下', 2, 2, NULL, NULL, '-07-14 14:02:56.657227', 1, 1);INSERT INTO luffy_course_Section(id, is_show, is_delete, created_time, updated_time, name, orders, section_type, section_link, duration, pub_date, free_trail, chapter_id) VALUES (3, 1, 0, '-07-14 14:03:20.493324', '-07-14 14:03:52.329394', '环境搭建上', 1, 2, NULL, NULL, '-07-14 14:03:20.493420', 0, 2);INSERT INTO luffy_course_Section(id, is_show, is_delete, created_time, updated_time, name, orders, section_type, section_link, duration, pub_date, free_trail, chapter_id) VALUES (4, 1, 0, '-07-14 14:03:36.472742', '-07-14 14:03:36.472779', '环境搭建下', 2, 2, NULL, NULL, '-07-14 14:03:36.472831', 0, 2);INSERT INTO luffy_course_Section(id, is_show, is_delete, created_time, updated_time, name, orders, section_type, section_link, duration, pub_date, free_trail, chapter_id) VALUES (5, 1, 0, '-07-14 14:04:19.338153', '-07-14 14:04:19.338192', 'web项目的创建', 1, 2, NULL, NULL, '-07-14 14:04:19.338252', 1, 3);INSERT INTO luffy_course_Section(id, is_show, is_delete, created_time, updated_time, name, orders, section_type, section_link, duration, pub_date, free_trail, chapter_id) VALUES (6, 1, 0, '-07-14 14:04:52.895855', '-07-14 14:04:52.895890', 'Linux的环境搭建', 1, 2, NULL, NULL, '-07-14 14:04:52.895942', 1, 4);

4-课程主页之课程页面

课程组件

<template><div class="course"><Header></Header><div class="main"><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><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"><spanclass="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></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0ordering: "-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: 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.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.$settings.base_url}/course/categories/`).then(response => {this.category_list = response.data;}).catch(() => {this.$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;} else {filters.page = 1;}// 获取课程列表信息this.$axios.get(`${this.$settings.base_url}/course/free/`, {params: filters}).then(response => {// console.log(response.data);this.course_list = response.data.results;this.course_total = response.data.count;// console.log(this.course_list);}).catch(() => {this.$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>

5-课程主页之课程接口

路由：course/urls.py

router.register('categories', views.CourseCategoryViewSet, 'categories') # 分类router.register('free', views.CourseViewSet, 'free') # 课程

视图：course/views.py

from rest_framework.viewsets import GenericViewSetfrom rest_framework.mixins import ListModelMixinfrom . import models, serializers# 课程分类群查class CourseCategoryViewSet(GenericViewSet, ListModelMixin):queryset = models.CourseCategory.objects.filter(is_delete=False, is_show=True).all()serializer_class = serializers.CourseCategorySerializer# 课程群查# 分页组件：基础分页(采用)、偏移分页、游标分页(了解)from . import pagination# 过滤组件：搜索功能、排序功能from rest_framework.filters import SearchFilter, OrderingFilter# django-filter插件：分类功能from django_filters.rest_framework import DjangoFilterBackendfrom .filters import CourseFilterSet# 前台携带所有过滤规则的请求url：# http://127.0.0.1:8000/course/free/?page=1&page_size=10&search=python&ordering=-price&min_price=30&count=1class CourseViewSet(GenericViewSet, ListModelMixin):queryset = models.Course.objects.filter(is_delete=False, is_show=True).all()serializer_class = serializers.CourseSerializer# 分页组件pagination_class = pagination.PageNumberPagination# 过滤组件：实际开发，有多个过滤条件时，要把优先级高的放在前面filter_backends = [SearchFilter, OrderingFilter, DjangoFilterBackend]# 参与搜索的字段search_fields = ['name', 'id', 'brief']# 允许排序的字段ordering_fields = ['id', 'price', 'students']# 过滤类：分类过滤、区间过滤filter_class = CourseFilterSet

分类区间过滤：filters.py

# django-filter插件过滤类from django_filters.filterset import FilterSetfrom . import modelsfrom django_filters import filtersclass CourseFilterSet(FilterSet):# 区间过滤：field_name关联的Model字段；lookup_expr设置规则；gt是大于，gte是大于等于；min_price = filters.NumberFilter(field_name='price', lookup_expr='gte')max_price = filters.NumberFilter(field_name='price', lookup_expr='lte')class Meta:model = models.Course# 如果过滤条件仅仅就是Model已有的字段，方式一更好# 但是方式二可以自定义过滤字段fields = ['course_category', 'min_price', 'max_price']

分页：paginations.py

from rest_framework.pagination import PageNumberPagination as DrfPageNumberPaginationclass PageNumberPagination(DrfPageNumberPagination):# 默认一页显示的条数page_size = 2# url中携带页码的keypage_query_param = 'page'# url中用户携带自定义一页条数的keypage_size_query_param = 'page_size'# 用户最大可自定义一页的条数max_page_size = 10

模型：course/models.py

class Course(BaseModel):# ...@propertydef course_type_name(self):return self.get_course_type_display()@propertydef level_name(self):return self.get_level_display()@propertydef status_name(self):return self.get_status_display()# 连表序列化字段@propertydef section_list(self):# 检索所以章节所以课时，返回前4课时，不足4课时全部返回temp_section_list = []for chapter in self.coursechapters.all():for section in chapter.coursesections.all():temp_section_list.append({'name': section.name,'section_link': section.section_link,'duration': section.duration,'free_trail': section.free_trail,})if len(temp_section_list) >= 4:return temp_section_list # 最多4条return temp_section_list # 不足4条class Teacher(BaseModel):# ...@propertydef role_name(self):return self.get_role_display()

序列化：course/serializers.py

from rest_framework import serializersfrom . import modelsclass CourseCategorySerializer(serializers.ModelSerializer):class Meta:model = models.CourseCategoryfields = ('id', 'name')# 子序列化class TeacherSerializer(serializers.ModelSerializer):class Meta:model = models.Teacherfields = ('name', 'role_name', 'title', 'signature', 'image', 'brief')class CourseSerializer(serializers.ModelSerializer):teacher = TeacherSerializer(many=False)class Meta:model = models.Coursefields = ('id','name','course_img','brief','attachment_path','pub_sections','price','students','period','sections','course_type_name','level_name','status_name','teacher','section_list',)

补充

"""GenericAPIView：额外的两个属性两个方法filter_backends：配置过滤类们filter_queryset()：调用配置的过滤类完成过滤（都是在群查接口中完成，传入queryset，接收过滤后的queryset）# 源码使用queryset = self.filter_queryset(self.get_queryset())pagination_class：配置分页类paginate_queryset()：调用配置的分页类完成分页（都是在群查接口中完成，传入queryset，接收分页滤后的分页对象）# 源码使用page = self.paginate_queryset(queryset)if page is not None:serializer = self.get_serializer(page, many=True)return self.get_paginated_response(serializer.data)""""""搜索组件1）在视图文件views.py中导入drf的搜索组件from rest_framework.filters import SearchFilter2）将搜索组件配置给群查接口视图类的filter_backendsfilter_backends = [SearchFilter]3）配置视图类关联的Model表参与搜索的字段search_fields = ['name', 'id']4）前台访问该群查接口，采用拼接参数方式用search关键字将搜索目标提供给后台http://127.0.0.1:8000/course/free/?search=2 # id或name中包含2的所有结果""""""排序组件1）在视图文件views.py中导入drf的搜索组件from rest_framework.filters import OrderingFilter2）将搜索组件配置给群查接口视图类的filter_backendsfilter_backends = [OrderingFilter]3）配置视图类关联的Model表允许排序的字段ordering_fields = ['id', 'price']4）前台访问该群查接口，采用拼接参数方式用search关键字将搜索目标提供给后台http://127.0.0.1:8000/course/free/?ordering=price,-id # 按price升序，如果price相同，再按id降序""""""django-filter插件：分类功能前提：安装django-filter插件>: pip install django-filter方式一1）在视图文件views.py中导入django-filter的功能组件from django_filters.rest_framework import DjangoFilterBackend2）将搜索组件配置给群查接口视图类的filter_backendsfilter_backends = [DjangoFilterBackend]3）配置视图类关联的Model表可以分类的字段（通常是可以分组的字段）filter_fields = ['course_category']4）前台访问该群查接口，采用拼接参数方式用分类course_category字段将分类条件提供给后台http://127.0.0.1:8000/course/free/?course_category=1 # 拿课程分类1下的所有课程方式二1）自定义过滤类继承django-filter插件的FilterSet类，绑定Model表，并设置分类字段from django_filters.filterset import FilterSetfrom . import modelsclass CourseFilterSet(FilterSet):class Meta:model = models.Coursefields = ['course_category']2）在视图文件views.py中导入django-filter的功能组件及自定义的过滤类from django_filters.rest_framework import DjangoFilterBackendfrom .filters import CourseFilterSet3）将搜索组件配置给群查接口视图类的filter_backendsfilter_backends = [DjangoFilterBackend]4）配置视图类关联的自定义过滤类filter_class = CourseFilterSet5）前台访问该群查接口，采用拼接参数方式用分类course_category字段将分类条件提供给后台http://127.0.0.1:8000/course/free/?course_category=1 # 拿课程分类1下的所有课程""""""区间过滤1）自定义过滤类继承django-filter插件的FilterSet类，绑定Model表，并设置自定义区间规则字段from django_filters.filterset import FilterSetfrom . import modelsclass CourseFilterSet(FilterSet):# 区间过滤：field_name关联的Model字段；lookup_expr设置规则；gt是大于，gte是大于等于；min_price = filters.NumberFilter(field_name='price', lookup_expr='gte')max_price = filters.NumberFilter(field_name='price', lookup_expr='lte')class Meta:model = models.Coursefields = ['min_price', 'max_price']2）在视图文件views.py中导入django-filter的功能组件及自定义的过滤类from django_filters.rest_framework import DjangoFilterBackendfrom .filters import CourseFilterSet3）将搜索组件配置给群查接口视图类的filter_backendsfilter_backends = [DjangoFilterBackend]4）配置视图类关联的自定义过滤类filter_class = CourseFilterSet5）前台访问该群查接口，采用拼接参数方式用自定义区间规则字段将区间条件提供给后台http://127.0.0.1:8000/course/free/?min_price=30&max_price=60 # 拿课程价格在30~60的所有课程"""

6-课程详情页之前台

详情页组件

依赖：在luffycity目录下的命令

>: cnpm install vue-video-player

配置：main.js

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

资源：图片放置assrts/img文件夹

"""enum.svgchapter-player.svgcart-yellow.svg"""

路由：router.js

import FreeCourseDetail from './views/FreeCourseDetail.vue'export default new Router({routes: [// ...{path: '/free/detail/:pk',name: 'free-detail',component: FreeCourseDetail}]}

组件

<template><div class="detail"><Header/><div class="main"><div class="course-info"><div class="wrap-left"><videoPlayer class="video-player vjs-custom-skin"ref="videoPlayer":playsinline="true":options="playerOptions"@play="onPlayerPlay($event)"@pause="onPlayerPause($event)"></videoPlayer></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></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></div></template><script>import Header from "@/components/Header"// import Footer from "@/components/Footer"// 加载组件import {videoPlayer} from 'vue-video-player';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IDcourse_info: {teacher: {},}, // 课程信息course_chapters: [], // 课程的章节课时列表playerOptions: {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"）sources: [{// 播放资源和资源格式type: "video/mp4",src: "/asset/Mon_1703/05cacb4e02f9d9e.mp4" //你的视频地址（必填）}],}}},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IDthis.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this.$axios.get(`${this.$settings.base_url}/course/free/${this.course_id}/`).then(response => {// window.console.log(response.data);this.course_info = response.data;console.log(this.course_info)}).catch(() => {this.$message({message: "对不起，访问页面出错！请联系客服工作人员！"});})},get_chapter() {// 获取当前课程对应的章节课时信息// http://127.0.0.1:8000/course/chapters/?course=(pk)this.$axios.get(`${this.$settings.base_url}/course/chapters/`, {params: {"course": this.course_id,}}).then(response => {this.course_chapters = response.data;}).catch(error => {window.console.log(error.response);})},},components: {Header,// Footer,videoPlayer, // 注册组件}}</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>

7-课程详情页之后台

详情页后台

路由：source/urls.py

router.register('free', views.CourseViewSet, 'free') # 课程router.register('chapters', views.ChapterViewSet, 'chapter') # 章节

视图：source/views.py

from rest_framework.viewsets import GenericViewSetfrom rest_framework.mixins import ListModelMixin, RetrieveModelMixinfrom . import models, serializers# 课程群查from . import paginationfrom rest_framework.filters import SearchFilter, OrderingFilterfrom django_filters.rest_framework import DjangoFilterBackendfrom .filters import CourseFilterSetclass CourseViewSet(GenericViewSet, ListModelMixin, RetrieveModelMixin):queryset = models.Course.objects.filter(is_delete=False, is_show=True).all()serializer_class = serializers.CourseSerializerpagination_class = pagination.PageNumberPaginationfilter_backends = [SearchFilter, OrderingFilter, DjangoFilterBackend]search_fields = ['name', 'id', 'brief']ordering_fields = ['id', 'price', 'students']filter_class = CourseFilterSet# 一个课程的所有章节（群查）class ChapterViewSet(GenericViewSet, ListModelMixin):queryset = models.CourseChapter.objects.filter(is_delete=False, is_show=True).all()serializer_class = serializers.CourseChapterSerializer# 基于课程分类条件下的查询filter_backends = [DjangoFilterBackend]filter_fields = ['course']

序列化：source/serializers.py

# ...class CourseSectionSerializer(serializers.ModelSerializer):class Meta:model = models.CourseSectionfields = ('name', 'orders', 'section_link', 'duration', 'free_trail')class CourseChapterSerializer(serializers.ModelSerializer):coursesections = CourseSectionSerializer(many=True)class Meta:model = models.CourseChapterfields = ('name', 'chapter', 'summary', 'coursesections')

Django框架项目之课程主页——课程页页面课程表分析课程表数据课程页面课程接口前台后台

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