Django 很简单的导航栏，我的表单在 {% extend "base.html" %} 后不显示

Question

我正在写一个非常简单的导航栏。例如，我在下面有我的登录视图。当我打开登录页面时，我可以看到 base.html 的结果，但由于某种原因我看不到 login.html 的结果，这意味着我看不到我只写了顶部链接栏的表格.

view.py -- 登录查看

def login(request):
    if request.method == 'POST':
        form = UserLoginForm(request.POST)
        if form.is_valid():
            m = UserLogin.objects.get(user_name=request.POST['user_name'])
            if m.password == request.POST['password']:
                request.session['member_id'] = m.id
                return  HttpResponseRedirect('/game')
            else:
                c = {'form': form,
                     'error_message': "Your username and password didn't match."}
                c.update(csrf(request))
                return render_to_respons('game/login.html', c)
    else:
        form = UserLoginForm()
    c = {'form': form}
    c.update(csrf(request))
    return render_to_response('game/login.html', c)

base.html

<div id="navigation">
    <a href="/game">Home</a>
    <a href="/game/upload">Upload</a>
    <a href="/game/registration">Register</a>
    <a href="/game/login">Login</a>
</div>

login.html

{% extends "base.html" %}
{% if error_message %}<p><strong>{{ error_message }}</strong></p>{% endif %}
<form action="/game/login/" method="post">
{% csrf_token %}
<table border='0'>
<div class="fieldWrapper"><tr><td>
        {{ form.user_name.errors }}</td><td></td></tr><tr><td>
        <label for="id_user_name">User Name:</label></td><td>
        {{ form.user_name }}</td></tr>
    </div>
    <div class="fieldWrapper"><tr><td>
        {{ form.password.errors }}</td><td></td><tr><td>
        <label for="id_password">Password:</label></td><td>
        {{ form.password }}</td></tr>
    </div>
</table>
<input type="submit" value="Login" />
</form>

Answer 1

您需要定义 blocks 才能使用模板继承。例如，将 base.html 更改为：

<div id="navigation">
    <a href="/game">Home</a>
    <a href="/game/upload">Upload</a>
    <a href="/game/registration">Register</a>
    <a href="/game/login">Login</a>
</div>
{% block content %}{% endblock %}

然后将您的登录代码放入内容块中：

{% extends "base.html" %}
{% block content %}
...login.html content goes here
{% endblock %}

查看 docs 了解更多详情。

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