Django初级项目的操作

实战图书馆

from django.shortcuts import render,redirect,HttpResponse


from app01 import models

# Create your views here.
def author_list(request):
    all_author=models.Author.objects.all()

    return render(request, 'author_list.html', {'all_author': all_author})
def author_add(request):
    if request.method=='GET':
        all_book = models.Book.objects.all()
        return render(request,'author_add.html',{'all_book':all_book})
    else:
        name=request.POST.get('name')
        aid=request.POST.get('aid')
        book_obj = models.Book.objects.get(id=aid)
        author_obj=models.Author.objects.create(name=name)
        book_obj.authors.add(author_obj)  #正向添加(因为多对多的外键在book表里)就是:book对象.外键.add(另外一张表的对象)
        return redirect('/author_list/')

def author_edit(request):
    if request.method=='GET':
        pk=request.GET.get('id')
        all_author=models.Author.objects.filter(pk=pk).first()

        all_book = models.Book.objects.all()

        return render(request,'author_edit.html',{'all_author':all_author,'all_book':all_book})
    else:
        name = request.POST.get('name')
        aid = request.POST.get('aid')
        pk = request.GET.get('id')
        book_obj = models.Book.objects.get(id=aid)
        author_obj = models.Author.objects.filter(pk=pk)
        author_obj.update(name=name)
        book_obj.authors.set([pk,])  # 正向添加(因为多对多的外键在book表里)就是:book对象.外键.add(另外一张表的对象)
        return redirect('/author_list/')

def author_del(request):
    if request.method == 'GET':
        pk = request.GET.get('id')
        models.Author.objects.filter(pk=pk).delete()
        return redirect('/author_list/')


def AuthorDetail_list(request):
    if request.method=='GET':
        all_AuthorDetail = models.AuthorDetail.objects.all()

        return render(request, 'AuthorDetail_list.html', {'all_AuthorDetail': all_AuthorDetail})

def AuthorDetail_add(request):
    if request.method=='GET':
        all_AuthorDetail = models.AuthorDetail.objects.all()

        return render(request, 'AuthorDetail_add.html', {'all_AuthorDetail': all_AuthorDetail})
    else:
        name=request.POST.get('name')
        addr=request.POST.get('addr')
        num=request.POST.get('num')
        birthday=request.POST.get('birthday')
        models.Author.objects.create(name=name)    #为啥加不进去
        au_obj=models.AuthorDetail.objects.create(
            addr=addr,
            num=num,
            birthday=birthday,
            authors=models.Author.objects.filter(name=name)

            )
        au_obj.save()

        return redirect('/AuthorDetail_list/')

def AuthorDetail_del(request):
    pk=request.GET.get('pk')
    AuthorDetail_all=models.AuthorDetail.objects.filter(pk=pk)
    AuthorDetail_all.delete()
    return redirect('/AuthorDetail_list/')
def AuthorDetail_edil(request):
    pk = request.GET.get('pk')
    AuthorDetail_all = models.AuthorDetail.objects.filter(pk=pk)
    return render(request, 'AuthorDetail_edil.html', {'AuthorDetail_all': AuthorDetail_all})


def Publisher_list(request):
    Publisher_all=models.Publisher.objects.all()
    return render(request,'Publisher_list.html',{'Publisher_all':Publisher_all})

def Publisher_add(request):
    if request.method=='GET':
        publish_all=models.Publisher.objects.all()
    else:
        name=request.POST.get('name')
        addr=request.POST.get('addr')
        models.Publisher.objects.create(name=name,addr=addr)
        return redirect('/Publisher_list/')
    return render(request,'Publisher_add.html',{'publish_all':publish_all})

def Publisher_edil(request):
    if request.method == 'GET':
        pk=request.GET.get('pk')
        Publisher_all = models.Publisher.objects.filter(pk=pk)

    else:
        name = request.POST.get('name')
        addr = request.POST.get('addr')
        pub_obj=models.Publisher.objects.update(name=name, addr=addr)
        pub_obj.save()           #为什么不更新  只是增加
        return redirect('/Publisher_list/')
    return render(request, 'Publisher_edil.html', {'Publisher_all': Publisher_all})

def book_list(request):
    if request.method == 'GET':

        book_all = models.Book.objects.all()
        return render(request, 'book_list.html', {'book_all': book_all})

def book_del(request):
    models.Book.objects.all().delete()
    return render(request, 'book_list.html')

def book_add(request):
    if request.method =='GET':
        publish_all = models.Publisher.objects.all()
        # print(publish_all.name)
        return render(request, 'book_add.html', {'publish_all':publish_all})
    else:
        title = request.POST.get('title')
        price = request.POST.get('price')
        pubtime = request.POST.get('pubtime')
        bid = request.POST.get('bid')    #获得select标签所获得的ID
        book_obj = models.Book.objects.create(
            title=title,
            price=price,
            pubtime=pubtime,
            publishers_id=bid
        )
        book_obj.save()
        return redirect('/book_list/')


def book_edit(request):
    pk = request.GET.get('id')
    book_all = models.Book.objects.filter(pk=pk).first()
    publish_all = models.Publisher.objects.all()

    if request.method == 'POST':
        title = request.POST.get('title')
        price = request.POST.get('price')
        pubtime = request.POST.get('pubtime')
        bid = request.POST.get('bid')  # 获得select标签所获得的ID
        book_all.title = title,
        book_all.price = price,
        book_all.pubtime = pubtime,
        book_all.publishers_id = bid
        book_all.save()
        return redirect('/book_list/')
    all_pub = models.Publisher.objects.all()
    return render(request, 'book_edit.html', locals())