"""bookdjango URL ConfigurationThe `urlpatterns` list routes URLs to views. For more information please see:https://docs.djangoproject.com/en/1.11/topics/http/urls/
Examples:
Function views1. Add an import:  from my_app import views2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
Class-based views1. Add an import:  from other_app.views import Home2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
Including another URLconf1. Import the include() function: from django.conf.urls import url, include2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
"""
from django.conf.urls import url
from django.contrib import admin
from book_system import viewsurlpatterns = [url(r'^admin/', admin.site.urls),# 出版社的对应关系url(r'^publisher_list/', views.publisher_list),url(r'^add_publisher/', views.add_publisher),url(r'^delete_publisher/', views.delete_publisher),url(r'^edit_publisher/', views.edit_publisher),# 书的对应关系url(r'^book_list/', views.book_list),url(r'^add_book/', views.add_book),url(r'^delete_book/', views.delete_book),url(r'^edit_book/', views.edit_book),# 作者的对应关系url(r'^author_list/', views.author_list),url(r'^add_author/', views.add_author),url(r'^delete_author/', views.delete_author),url(r'^edit_author/', views.edit_author),url(r'^author_list1/', views.author_list1),]

from django.shortcuts import render, redirect, HttpResponse
from book_system import models# Create your views here.def publisher_list(request):# 去数据库查出所有的出版社，填充到html中，给用户界面ret = models.Publisher.objects.all().order_by("id")return render(request, "publisher_list.html", {"publisher_list": ret})def add_publisher(request):error_msg = ""if request.method == "POST":new_name = request.POST.get("publisher_name")if new_name:models.Publisher.objects.create(name=new_name)return redirect("/publisher_list/")else:error_msg = "出版社的名字不能为空"return render(request, "add_publisher.html", {"error": error_msg})def delete_publisher(request):del_id = request.GET.get("id")if del_id:del_obj = models.Publisher.objects.get(id=del_id)  # 这里的id相当于where语句
        del_obj.delete()return redirect("/publisher_list/")else:return HttpResponse("您要删除的数据不存在")def edit_publisher(request):if request.method == "POST":publisher_id = request.POST.get("id")publisher_name = request.POST.get("publisher_name")publisher = models.Publisher.objects.get(id=publisher_id)publisher.name = publisher_namepublisher.save()return redirect("/publisher_list/")else:edit_id = request.GET.get("id")print(models.Publisher.objects)edit_obj = models.Publisher.objects.get(id=edit_id)return render(request, "edit_publisher.html", {"edit_obj": edit_obj})# book的相关试图操作
def book_list(request):# 去数据库查出所有的书籍，填充到html中，给用户界面ret = models.Book.objects.all().order_by("id")return render(request, "book_list.html", {"book_list": ret})def add_book(request):error_msg = ""ret = models.Publisher.objects.all()if request.method == "POST":new_name = request.POST.get("book_name")new_publisher_id = request.POST.get("publisher")if new_name:models.Book.objects.create(tittle=new_name, publisher_id=new_publisher_id)return redirect("/book_list/")else:error_msg = "书本的名字不能为空"return render(request, "add_book.html", {"error": error_msg,"publisher_list": ret})def delete_book(request):del_id = request.GET.get("id")if del_id:del_obj = models.Book.objects.get(id=del_id)  # 这里的id相当于where语句
        del_obj.delete()return redirect("/book_list/")else:return HttpResponse("您要删除的数据不存在")def edit_book(request):ret = models.Publisher.objects.all()if request.method == "POST":book_id = request.POST.get("id")book_tittle = request.POST.get("book_tittle")book_publisher_id = request.POST.get("publisher")book = models.Book.objects.get(id=book_id)book.tittle = book_tittlebook.publisher_id = book_publisher_idbook.save()return redirect("/book_list/")else:edit_id = request.GET.get("id")print(models.Book.objects)edit_obj = models.Book.objects.get(id=edit_id)return render(request, "edit_book.html", {"edit_obj": edit_obj,"publisher_list": ret})def author_list(request):all_author = models.Author.objects.all()return render(request, "author_list.html", {"author_list": all_author})def add_author(request):error_msg = ""ret = models.Book.objects.all()if request.method == "POST":new_name = request.POST.get("author_name")new_books_id = request.POST.getlist("books")if new_name:new_book_obj = models.Author.objects.create(name=new_name)new_book_obj.book.set(new_books_id)  # 自动保存，不用savereturn redirect("/author_list/")else:error_msg = "作者的名字不能为空"return render(request, "add_author.html", {"error": error_msg,"book_list": ret})def delete_author(request):del_id = request.GET.get("id")if del_id:models.Author.objects.get(id=del_id).delete()  # 这里的id相当于where语句return redirect("/author_list/")else:return HttpResponse("您要删除的数据不存在")def edit_author(request):if request.method == "POST":old_id = request.POST.get("author_id")old_obj = models.Author.objects.get(id=old_id)new_name = request.POST.get("author_name")new_books_id = request.POST.getlist("books")print(new_books_id)# 更新old_obj.name = new_nameold_obj.book.set(new_books_id)  # 自动保存，不用save
        old_obj.save()return redirect("/author_list/")edit_author_id = request.GET.get("id")edit_author_obj = models.Author.objects.get(id=edit_author_id)ret = models.Book.objects.all()return render(request, "edit_author.html", {"author": edit_author_obj,"book_list": ret,})def author_list1(request):return render(request, "author_list1.html")

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>添加作者</title>
</head>
<body>
<h1>添加作者信息</h1>
<form action="/add_author/" method="post"><p>姓名：<input type="text" name="author_name"></p><p>著作：<select multiple name="books">{% for book in book_list %}<option value="{{ book.id }}">{{ book.tittle }}</option>{% endfor %}</select></p><input type="submit" value="提交"><p style="color: red;">{{ error }}</p>
</form>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>添加书籍</title>
</head>
<body>
<h1>添加书籍信息</h1>
<form action="/add_book/" method="post"><p>书名：<input type="text" name="book_name"></p><p><select name="publisher">{% for publisher in publisher_list %}<option value="{{ publisher.id }}">{{ publisher.name }}</option>{% endfor %}</select></p><input type="submit" value="提交"><p style="color: red;">{{ error }}</p>
</form>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Title</title>
</head>
<body>
<h1>添加出版社</h1>
<form action="/add_publisher/" method="post"><input type="text" name="publisher_name"><input type="submit" value="提交"><p style="color: red;">{{ error }}</p>
</form>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>作者列表</title>
</head>
<body>
{# a标签指向的位置找的也是urls.py文件中的对应关系的key。并不是直接找同级目录下的文件#}
<a href="/add_author/">添加新的作者信息</a>
<table border="1"><thead><tr><th>ID</th><th>姓名</th><th>作品</th><th>操作</th></tr></thead><tbady>{% for author in author_list %}<tr><td>{{ author.id }}</td><td>{{ author.name }}</td><td>{% for book in author.book.all %}{{ book.tittle }}&nbsp;{% endfor %}</td><td><a href="/delete_author/?id={{ author.id }}">删除</a><a href="/edit_author/?id={{ author.id }}">编辑</a></td></tr>{% endfor %}</tbady>
</table>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>书籍列表</title>
</head>
<body>
{# a标签指向的位置找的也是urls.py文件中的对应关系的key。并不是直接找同级目录下的文件#}
<a href="/add_book/">添加新的书籍信息</a>
<table border="1"><thead><tr><th>ID</th><th>书名</th><th>出版社名称</th><th>操作</th></tr></thead><tbady>{% for book in book_list %}<tr><td>{{ book.id }}</td><td>{{ book.tittle }}</td><td>{{ book.publisher.name }}</td><td><a href="/delete_book/?id={{ book.id }}">删除</a><a href="/edit_book/?id={{ book.id }}">编辑</a></td></tr>{% endfor %}</tbady>
</table>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>编辑作者</title>
</head>
<body>
<h1>编辑作者信息</h1>
<form action="/edit_author/" method="post"><input type="text" name="author_id" value="{{ author.id }}" style="display: none">
{{ author.id }}<p>姓名：<input type="text" name="author_name" value="{{ author.name }}"></p><p>著作：<select multiple name="books">{% for book in book_list %}{% if book in author.book.all %}<option selected value="{{ book.id }}">{{ book.tittle }}</option>{% else %}<option value="{{ book.id }}">{{ book.tittle }}</option>{% endif %}{% endfor %}</select></p><input type="submit" value="提交"><p style="color: red;">{{ error }}</p>
</form>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>编辑书籍信息</title>
</head>
<body>
<h1>编辑书籍信息</h1>
<form action="/edit_book/" method="post"><input type="text" name="id" value="{{ edit_obj.id }}" style="display: none;"><p><input type="text" name="book_tittle" value="{{ edit_obj.tittle }}"></p>{#    <input type="text" name="publisher_name" value="{{ edit_obj.name }}">#}<p><select name="publisher">{% for publisher in publisher_list %}{% if edit_obj.publisher_id == publisher.id %}<option selected value="{{ publisher.id }}">{{ publisher.name }}</option>{% else %}<option value="{{ publisher.id }}">{{ publisher.name }}</option>{% endif %}{% endfor %}</select></p><input type="submit" value="提交"><p style="color: red;">{{ error }}</p>
</form>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>编辑出版社</title>
</head>
<body>
<h1>编辑出版社</h1>
<form action="/edit_publisher/" method="post"><input type="text" name="id" value="{{ edit_obj.id }}" style="display: none;"><input type="text" name="publisher_name" value="{{ edit_obj.name }}"><input type="submit" value="提交"><p style="color: red;">{{ error }}</p>
</form>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>出版社列表</title>
</head>
<body>
{# a标签指向的位置找的也是urls.py文件中的对应关系的key。并不是直接找同级目录下的文件#}
<a href="/add_publisher/">添加新的出版社</a>
<table border="1"><thead><tr><th>序号</th><th>ID</th><th>出版社名称</th><th>操作</th></tr></thead><tbady>{% for publisher in publisher_list %}<tr><td>{{ forloop.counter }}</td><td>{{ publisher.id }}</td><td>{{ publisher.name }}</td><td><a href="/delete_publisher/?id={{ publisher.id }}">删除</a><a href="/edit_publisher/?id={{ publisher.id }}">编辑</a></td></tr>{% endfor %}</tbady>
</table>
</body>
</html>