def edit_teacher(request):
if request.method == 'GET':
nid = request.GET.get('tid')
name = request.POST.get('name')
obj = SqlHeper()
teacher_info = obj.get_one('select id,name from teacher where id=%s', [
nid,
])
class_list = obj.get_list('select id,title from classes')
class_id_list = obj.get_list(
'select class_id from teacher2class where teacher_id=%s', [
nid,
])
lst = []
for item in class_id_list:
lst.append(item['class_id'])
class_id_list = lst
return render(
request, 'edit_teacher.html', {
'teacher_info': teacher_info,
'class_list': class_list,
'class_id_list': class_id_list,
'tid': nid
})
else:
nid = request.GET.get('nid')
name = request.POST.get('name')
class_id_list = request.POST.getlist('clsid')
obj = SqlHeper()
obj.modify('update teacher set name=%s where id=%s', [name, nid])
print(nid)
obj.modify('delete from teacher2class where teacher_id=%s', [
nid,
])
lst = []
for cls in class_id_list:
lst.append((nid, cls))
obj.multiple_modify(
'insert into teacher2class(teacher_id,class_id) value(%s,%s)', lst)
obj.close()
return redirect('/teacher/')
def add_teacher(request):
obj = SqlHeper()
if request.method == 'GET':
class_list = obj.get_list('select id,title from classes')
return render(request, 'add_teacher.html', {'class_list': class_list})
else:
obj = SqlHeper()
name = request.POST.get('name')
teacher_id = obj.create('insert into teacher(name) value(%s)', name)
class_list = request.POST.getlist('class_ids')
lst = []
for cls in class_list:
lst.append((teacher_id, cls))
obj.multiple_modify(
'insert into teacher2class(teacher_id,class_id) value(%s,%s)', lst)
obj.close()
return redirect('/teacher/')
def modal_add_teacher(request):
ret = {'status': True, 'msg': None}
try:
teacher_name = request.POST.get('teacher_name')
class_id_list = request.POST.getlist('class_id_list')
print(teacher_name, class_id_list)
obj = SqlHeper()
teacher_id = obj.create('insert into teacher(name) value(%s)',
[teacher_name])
lst = []
for cls in class_id_list:
lst.append((teacher_id, cls))
obj.multiple_modify(
'insert into teacher2class(teacher_id,class_id) value(%s,%s)', lst)
obj.close()
except Exception as e:
ret['status'] = False
ret['msg'] = str(e)
import json
return HttpResponse(json.dumps(ret))