Question

我正在尝试打印“任务”类中的字段，但我尝试执行的操作似乎无效。在html模板中，我尝试打印'assignment_title'。这是我所有的文件，可帮助显示我在哪里

urls.py

url(r'^feedback/$', views.assignment, name='assignments')

models.py

class Assignment(models.Model):
assignment_title = models.CharField(max_length=256, default='')
lecturer = models.ForeignKey(User)

views.py

# Assignment view
def assignment(request):
args = {'assignment': Assignment}
return render(request, 'mainfocus/feedback.html', args)

html

<div class="container">
<h1>Feedback</h1>
<p>{{ obj.assignment_title }}</p>
</div>

只需确认一下，我也已经在'admin.py'中注册了该类。任何帮助将不胜感激，我也已迁移并填充了表格，因此也不应该成为问题

Answer 1

答案！

views.py

    Month      year     sales       P/L  streak  12_max
0   January     2017    34400       False   0   NaN
1   February    2017    35530       True    0   NaN
2   March       2017    34920       False   0   NaN
3   April       2017    35950       True    0   NaN
4   May         2017    36230       True    1   NaN
5   June        2017    36820       True    2   NaN
6   July        2017    34590       False   0   NaN
7   August      2017    36500       True    0   NaN
8   September   2017    36600       True    1   NaN
9   October     2017    37140       True    2   NaN
10  November    2017    36790       False   0   NaN
11  December    2017    43500       True    0   43500.0
12  January     2018    34900       False   0   43500.0
13  February    2018    37700       True    0   43500.0
14  March       2018    37900       True    1   43500.0
15  April       2018    38100       True    2   43500.0
16  May         2018    37800       False   0   43500.0
17  June        2018    38500       True    0   43500.0
18  July        2018    39400       True    1   43500.0
19  August      2018    39700       True    2   43500.0
20  September   2018    39980       True    3   43500.0
21  October     2018    40600       True    4   43500.0
22  November    2018    39100       False   0   43500.0
23  December    2018    46600       True    0   46600.0
24  January     2019    42500       False   0   46600.0

models.py

# Assignment view
def assignment(request):
    assignments = Assignment.objects.all()
    args = {
        'assignments': assignments
    }
    return render(request, 'mainfocus/feedback.html', args)

html

class Assignment(models.Model):
    title = models.CharField(max_length=256, default='')
    lecturer = models.ForeignKey(User)

Answer 2

obj中的变量views.py包含数据库中所有的Assignment。如果您只想打印一份作业，则应过滤它们：

# Assignment view
def assignment(request):
  obj = Assignment.objects.first() # get the first assignment for example
  return render(request, 'mainfocus/feedback.html',{'obj': obj})

如果要打印所有这些，则应修改模板以使用for loop：

<div class="container">
<h1>Feedback</h1>
{% for assignment in obj %}
<p>{{ assignment.assignment_title }}</p>
{% endfor %}
</div>

访问Django HTML模板中的模型字段

2 个答案: