#模板index.html的功能代码
#排行榜的搜索框，由HTML表单实现，{%  url 'search' XXX  %}是搜索页面的地址链接
<form id="searchForm" action="{% url 'search' 1 %}" method="post" target="_blank">{% csrf_token %}<div class="search-keyword"><input name="kword" type="text" class="keyword" maxlength="120" placeholder="音乐节" /></div><input id="subSerch" type="submit" class="search-button" value="搜 索" /></form>#搜索框下面的热门搜索歌曲，{%  url 'play' XXX  %}是播放页面的地址链接
<div id="suggest" class="search-suggest"></div><div class="search-hot-words">{% for song in search_song  %}<a target="play" href="{% url 'play' song.song.song_id %}" >{{ song.song.song_name }}</a>{% endfor  %}</div>#网站导航栏
<ul class="nav clearfix"><li><a href="/">首页</a></li><li><a href="{% url 'ranking' %}" target="_blank">歌曲排行</a></li><li><a href="{% url 'home' 1 %}" target="_blank">用户中心</a></li></ul>#歌曲分类列表
<div class="side-nav"><div class="nav-head"><a href="{% url 'ranking' %}">所有歌曲分类</a></div><ul id="sideNav" class="cate-item">{% for item in All_list  %}<li class="computer"><div class="main-cate"><a href="{% url 'ranking' %}?type={{ item.song_type }}" class="main-title">{{ item.song_type }}</a></div></li>{% endfor  %}</ul></div>#歌曲列表信息
<table class="rank-list-table"><tr><th class="cell-1">排名</th><th class="cell-2">图片</th><th class="cell-3">歌名</th><th class="cell-4">专辑</th><th class="cell-5">下载量</th><th class="cell-6">播放量</th></tr>{% for item in song_info  %}<tr>{%if forloop.counter < 4  %}<td><span class="n1">{{forloop.counter}}</span></td>{%else %}<td><span class="n2">{{forloop.counter}}</span></td>{%endif %}<td><a href="{% url 'play' item.song.song_id %}"  class="pic" target="play"><img src="{% static "songImg/" %}{{ item.song.song_img }}"  width="80" height="80"></a></td><td class="name-cell"><h3><a href="{% url 'play' item.song.song_id %}" target="play" >{{item.song.song_name}}</a></h3><div class="desc"><a href="javascript:;" target="_blank" class="type" >{{item.song.song_singer}}</a></div></td><td><div style="text-align:center;">{{item.song.song_album}}</div></td><td><div style="text-align:center;">{{item.dynamic_down}}</div></td><td class="num-cell">{{item.dynamic_plays}}</td></tr>{% endfor  %}</table>

#play/urls.py
from django.urls import path
from . import views
urlpatterns = [# 歌曲播放页面path('<int:song_id>.html', views.playView, name='play'),# 歌曲下载path('download/<int:song_id>.html',views.downloadView, name='download')
]#play/views.py
from django.shortcuts import render
from django.http import StreamingHttpResponse
from index.models import *
# 歌曲播放页面
def playView(request, song_id):# 热搜歌曲search_song = Dynamic.objects.select_related('song').order_by('-dynamic_search').all()[:6]# 歌曲信息song_info = Song.objects.get(song_id=int(song_id))# 播放列表play_list = request.session.get('play_list', [])song_exist = Falseif play_list:for i in play_list:if int(song_id) == i['song_id']:song_exist = Trueif song_exist == False:play_list.append({'song_id': int(song_id), 'song_singer': song_info.song_singer, 'song_name': song_info.song_name, 'song_time': song_info.song_time})request.session['play_list'] = play_list# 歌词if song_info.song_lyrics != '暂无歌词':f = open('static/songLyric/' +song_info.song_lyrics, 'r', encoding='utf-8')song_lyrics = f.read()f.close()# 相关歌曲song_type = Song.objects.values('song_type').get(song_id=song_id)['song_type']song_relevant = Dynamic.objects.select_related('song').filter(song__song_type=song_type).order_by('-dynamic_plays').all()[:6]# 添加播放次数# 扩展功能：可使用session实现每天只添加一次播放次数dynamic_info = Dynamic.objects.filter(song_id=int(song_id)).first()# 判断歌曲动态信息是否存在，存在就在原来基础上加1if dynamic_info:dynamic_info.dynamic_plays += 1dynamic_info.save()# 动态信息不存在则创建新的动态信息else:dynamic_info = Dynamic(dynamic_plays=1, dynamic_search=0, dynamic_down=0, song_id=song_id)dynamic_info.save()return render(request, 'play.html', locals())# 歌曲下载
def downloadView(request, song_id):# 根据song_id查找歌曲信息song_info = Song.objects.get(song_id=int(song_id))# 添加下载次数dynamic_info = Dynamic.objects.filter(song_id=int(song_id)).first()# 判断歌曲动态信息是否存在，存在就在原来基础上加1if dynamic_info:dynamic_info.dynamic_down += 1dynamic_info.save()# 动态信息不存在则创建新的动态信息else:dynamic_info = Dynamic(dynamic_plays=0,dynamic_search=0,dynamic_down=1,song_id=song_id)dynamic_info.save()# 读取文件内容file = 'static/songFile/' + song_info.song_filedef file_iterator(file, chunk_size=512):with open(file, 'rb') as f:while True:c = f.read(chunk_size)if c:yield celse:break# 将文件内容写入StreamingHttpResponse对象，并以字节流方式返回给用户，实现文件下载filename = str(song_id) + '.mp3'response = StreamingHttpResponse(file_iterator(file))response['Content-Type'] = 'application/octet-stream'response['Content-Disposition'] = 'attachment; filename="%s"' %(filename)return response

#模板play.html的共嫩代码
#歌曲播放，播放功能由Javascript实现，Django只需提供歌曲文件即可实现在线试听
<div id="jquery_jplayer_1" class="jp-jplayer" data-url={% static "songFile/" %}{{ song_info.song_file }}></div>#歌曲封面
<div class="jp_img layz_load pic_po" title="点击播放"><img data-src={% static "songImg/" %}{{ song_info.song_img }}></div>#歌词
<textarea id="lrc_content" style="display: none;">{{ song_lyrics }}</textarea>#歌曲信息
<div class="product-price"><h1 id="currentSong" >{{ song_info.song_name }}</h1><div class="product-price-info"><span>歌手：{{ song_info.song_singer }}</span></div><div class="product-price-info"><span>专辑：{{ song_info.song_album }}</span><span>语种：{{ song_info.song_languages }}</span></div><div class="product-price-info"><span>流派：{{ song_info.song_type }}</span><span>发行时间：{{ song_info.song_release }}</span></div></div>#播放列表
<ul class="playing-li" id="songlist"><!--播放列表-->{% for list in play_list %}#设置当前歌曲的样式{%if list.song_id == song_info.song_id %}<li data-id="{{list.song_id}}" class="current">{%else %}<li data-id="{{list.song_id}}">{%endif %}#设置歌曲列表的序号、歌名和歌手<span class="num">{{forloop.counter}}</span><a class="name" href="{% url 'play' list.song_id %}" target="play" >{{list.song_name}}</a><a class="singer" href="javascript:;" target="_blank" >{{list.song_singer}}</a></li>{%endfor %}</ul>#相关歌曲
<ul id="" class="parts-list clearfix f_s">{% for item in song_relevant %}<li>#将当前歌曲排除显示{% if item.song.song_id != song_info.song_id %}#设置歌曲封面和歌曲播放的链接<a class="pic layz_load pic_po" href="{% url 'play' item.song.song_id %}" target="play" ><img data-src="{% static "songImg/" %}{{ item.song.song_img }}"></a>#设置歌名，歌名带播放链接<h4><a href="{% url 'play' item.song.song_id %}" target="play" >{{ item.song.song_name}}</a></h4>#设置歌手<a href="javascript:;" class="J_MoreParts accessories-more">{{ item.song.song_singer }}</a>{% endif %}</li>{% endfor %}</ul>

#search的urls.py
from django.urls import path
from . import views
urlpatterns = [path('<int:page>.html', views.searchView, name='search'),
]#search的views.py
from django.shortcuts import render, redirect
from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
from django.db.models import Q
from index.models import *def searchView(request, page):if request.method == 'GET':# 搜索歌曲search_song = Dynamic.objects.select_related('song').order_by('-dynamic_search').all()[:6]# 获取搜索内容，如果kword为空即查询全部歌曲kword = request.session.get('kword', '')if kword:# Q是SQL语句里的or语法song_info = Song.objects.values('song_id', 'song_name', 'song_singer', 'song_time').filter(Q(song_name__icontains=kword) | Q(song_singer=kword)).order_by('-song_release').all()else:song_info = Song.objects.values('song_id', 'song_name', 'song_singer', 'song_time').order_by('-song_release').all()[:50]# 分页功能paginator = Paginator(song_info, 5)try:contacts = paginator.page(page)except PageNotAnInteger:contacts = paginator.page(1)except EmptyPage:contacts = paginator.page(paginator.num_pages)# 添加歌曲搜索次数song_exist = Song.objects.filter(song_name=kword)if song_exist:song_id = song_exist[0].song_iddynamic_info = Dynamic.objects.filter(song_id=int(song_id)).first()# 判断歌曲动态信息是否存在，存在就在原来基础上加1if dynamic_info:dynamic_info.dynamic_search += 1dynamic_info.save()# 动态信息不存在则创建新的动态信息else:dynamic = Dynamic(dynamic_plays=0, dynamic_search=1, dynamic_down=0, song_id=song_id)dynamic.save()return render(request, 'search.html', locals())else:# 处理POST请求，并重定向搜索页面。request.session['kword'] = request.POST.get('kword', '')return redirect('/search/1.html')

#模板user/login.html的功能代码
#用户登录
<div class="login-box switch_box" style="display:block;"><div class="title">用户登录</div><form id="loginForm" class="formBox" action="" method="post">{% csrf_token %}<div class="itembox user-name"><div class="item"><input type="text" name="loginUser" placeholder="用户名或手机号" class="txt tabInput"></div></div><div class="itembox user-pwd"><div class="item"><input type="password" name="password" placeholder="登录密码" class="txt tabInput"></div></div>{% if tips %}<div>提示:<span>{{ tips }}</span></div>{% endif %}<div id="loginBtnBox" class="login-btn"><input id="J_LoginButton" type="submit" value="马上登录" class="tabInput pass-btn" /></div><div class="pass-reglink">还没有我的音乐账号？<a class="switch" href="javascript:;">免费注册</a></div></form></div>#用户注册
<div class="regist-box switch_box" style="display:none;"><div class="title">用户注册</div><form id="registerForm" class="formBox" method="post" action="">{% csrf_token %}<div id="registForm" class="formBox">#用户名<div class="itembox user-name"><div class="item">{{ user.username }}</div></div>#手机号码<div class="itembox user-name"><div class="item">{{ user.mobile }}</div></div>#用户密码<div class="itembox user-pwd"><div class="item">{{ user.password1 }}</div></div>#重复用户密码<div class="itembox user-pwd"><div class="item">{{ user.password2 }}</div></div>#信息提示{% if tips %}<div>提示:<span>{{ tips }}</span></div>{% endif %}#用户注册协议<div class="member-pass clearfix"><input id="agree" name="agree" checked="checked" type="checkbox" value="1"><label for="agree" class="autologon">已阅读并同意用户注册协议</label></div>#注册按钮<input type="submit" value="免费注册" id="J_RegButton" class="pass-btn tabInput"/>#切换登录界面<div class="pass-reglink">已有我的音乐帐号，<a class="switch" href="javascript:;">立即登录</a></div></div></form></div>

#urls/urls.py
from django.urls import path
from . import views
urlpatterns = [# 用户的注册和登录path('login.html', views.loginView, name='login'),# 用户中心path('home/<int:page>.html', views.homeView, name='home'),# 退出用户登录path('logout.html', views.logoutView, name='logout'),
]#user的views.py
from django.contrib.auth.decorators import login_required
from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger# 用户中心
# 设置用户登录限制
@login_required(login_url='/user/login.html')
def homeView(request, page):# 热搜歌曲search_song = Dynamic.objects.select_related('song').order_by('-dynamic_search').all()[:4]# 分页功能song_info = request.session.get('play_list', [])paginator = Paginator(song_info, 3)try:contacts = paginator.page(page)except PageNotAnInteger:contacts = paginator.page(1)except EmptyPage:contacts = paginator.page(paginator.num_pages)return render(request, 'home.html', locals())

#home.html的功能代码
#用户信息
<div class="section_inner">#用户头像<div class="profile__cover_link"><img src="{% static "image/user.jpg" %}" class="profile__cover"></div>#用户名<h1 class="profile__tit"><span class="profile__name">{{ user.username }}</span></h1>#退出登录<a href="{% url 'logout' %}" style="color:white;">退出登录</a></div>#歌曲列表信息
<ul class="songlist__list">{% for item in contacts.object_list %}<li><div class="songlist__item songlist__item--even"><div class="songlist__songname"><a href="{% url 'play' item.song_id %}" class="js_song songlist__songname_txt" >{{ item.song_name }}</a></div><div class="songlist__artist"><a href="javascript:;" class="singer_name">{{ item.song_singer }}</a></div><div class="songlist__time">{{ item.song_time }}</div></div></li>{% endfor %}</ul>#分页导航按钮
<div class="pagebar" id="pageBar">#上一页的按钮{% if contacts.has_previous %}<a href="{% url 'home' contacts.previous_page_number %}" class="prev" target="_self"><i></i>上一页</a>{% endif %}#列举全部页数按钮{% for page in contacts.paginator.page_range %}{% if contacts.number == page %}<span class="sel">{{ page }}</span>{% else %}<a href="{% url 'home' page %}" target="_self">{{ page }}</a>{% endif %}{% endfor %}#下一页的按钮{% if contacts.has_next %}<a href="{% url 'home' contacts.next_page_number %}" class="next" target="_self">下一页<i></i></a>{% endif %}</div>

#index的__init__.py
#对功能模块进行命名
from django.apps import AppConfig
import os
# 修改app在Admin后台显示名称
# default_app_config的值来自apps.py的类名
default_app_config = 'index.IndexConfig'# 获取当前app的命名
def get_current_app_name(_file):return os.path.split(os.path.dirname(_file))[-1]# 重写类IndexConfig
class IndexConfig(AppConfig):name = get_current_app_name(__file__)verbose_name = '网站首页'#index的admin.py
from django.contrib import admin
from .models import *
# 修改title和header
admin.site.site_title = '我的音乐后台管理系统'
admin.site.site_header = '我的音乐'@admin.register(Label)
class LabelAdmin(admin.ModelAdmin):# 设置模型字段，用于Admin后台数据的表头设置list_display = ['label_id', 'label_name']# 设置可搜索的字段并在Admin后台数据生成搜索框，如有外键应使用双下划线连接两个模型的字段search_fields = ['label_name']# 设置排序方式ordering = ['label_id']@admin.register(Song)
class SongAdmin(admin.ModelAdmin):# 设置模型字段，用于Admin后台数据的表头设置list_display = ['song_id','song_name','song_singer','song_album','song_languages','song_release']# 设置可搜索的字段并在Admin后台数据生成搜索框，如有外键应使用双下划线连接两个模型的字段search_fields = ['song_name','song_singer','song_album','song_languages']# 设置过滤器，在后台数据的右侧生成导航栏，如有外键应使用双下划线连接两个模型的字段list_filter = ['song_singer','song_album','song_languages']# 设置排序方式ordering = ['song_id']@admin.register(Dynamic)
class DynamicAdmin(admin.ModelAdmin):# 设置模型字段，用于Admin后台数据的表头设置list_display = ['dynamic_id','song','dynamic_plays','dynamic_search','dynamic_down']# 设置可搜索的字段并在Admin后台数据生成搜索框，如有外键应使用双下划线连接两个模型的字段search_fields = ['song']# 设置过滤器，在后台数据的右侧生成导航栏，如有外键应使用双下划线连接两个模型的字段list_filter = ['dynamic_plays','dynamic_search','dynamic_down']# 设置排序方式ordering = ['dynamic_id']@admin.register(Comment)
class CommentAdmin(admin.ModelAdmin):# 设置模型字段，用于Admin后台数据的表头设置list_display = ['comment_id','comment_text','comment_user','song','comment_date']# 设置可搜索的字段并在Admin后台数据生成搜索框，如有外键应使用双下划线连接两个模型的字段search_fields = ['comment_user','song','comment_date']# 设置过滤器，在后台数据的右侧生成导航栏，如有外键应使用双下划线连接两个模型的字段list_filter = ['song','comment_date']# 设置排序方式ordering = ['comment_id']