Django增删改查

def show(request):
    i_all = Info.objects.all()
    if request.method =="GET":
        return render(request,"show.html",{"i_all":i_all})
    else:
        name = request.POST.get("name")
        i_all = Info.objects.filter(name__contains=name).all()
        return render(request, "show.html", {"i_all": i_all})


def delete(request,id):
    d1 = Info.objects.filter(id=id).first()
    d1.delete()
    return redirect("show")


def zengjia(request):
    if request.method == "GET":
        return render(request, "zengjia.html")
    else:
        tname = request.POST.get("tname")
        name = request.POST.get("name")
        age = request.POST.get("age")
        sex = request.POST.get("sex")
        time = request.POST.get("time")
        zhu = request.POST.get("zhu")
        t1 = Type.objects.filter(tname=tname).first()
        if t1:
            Info.objects.filter(name=name,age=age,sex=sex,time=time,zhu=zhu,t=t1)
        else:
            t2 = Type(tname=tname)
            t2.save()
            Info.objects.filter(name=name, age=age, sex=sex, time=time, zhu=zhu, t=t2)
            return redirect("show")

def updata(request,id):
    i2 = Info.objects.filter(id=id).first()
    if request.method == "GET":
        return render(request, "updata.html")
    else:
        tname = request.POST.get("tname")
        name = request.POST.get("name")
        age = request.POST.get("age")
        sex = request.POST.get("sex")
        time = request.POST.get("time")
        zhu = request.POST.get("zhu")
        t1 = Type.objects.filter(tname=tname).first()
        if t1:
            i2.t = t1
        else:
            t2 = Type(tname=tname)
            t2.save()
            i2.t = t2
        if name:
            i2.name = name
        if age:
            i2.age = age
        if sex:
            i2.sex=sex
        if time:
            i2.time=time
        if zhu:
            i2.zhu = zhu
            i2.save()
        return redirect("show")