Django 是什么导致以下模板错误'；无效的块标记：'；blocktrans'；，预期'；elif''；其他'；或'；endif'；？

是什么导致了以下模板错误

In template /var/www/userreg/tagging/templates/registration/login.html, error at line 153

Invalid block tag: 'blocktrans', expected 'elif', 'else' or 'endif'
   143 : 
   144 : 
   145 :    <td>
   146 : 
   147 :    </td>
   148 : </tr>
   149 : </table>
   150 : </td>
   151 :    <td style="text-align:center;">
   152 :        {% if socialaccount.providers  %}
   153 : <p> {% blocktrans with site.name as site_name %} Please sign in with your
 existing acounts through  {% endblocktrans %}
   154 : 
   155 : <div class="socialaccount_ballot">
   156 : 
   157 :   <ul class="socialaccount_providers">
   158 :     {% include "socialaccount/snippets/provider_list.html" %}
   159 :   </ul>
   160 : 
   161 :   <div class="login-or">{% trans 'or' %}</div>
   162 :
   163 : </div>
Exception Type: TemplateSyntaxError at /accounts/login/
Exception Value: Invalid block tag: 'blocktrans', expected 'elif', 'else' or 'endif'

已安装的应用程序：

 ('django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.sites',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'django.contrib.admin',
 'registration',
 'django.contrib.humanize',
 'allauth',
 'allauth.account',
 'allauth.socialaccount',
 'allauth.socialaccount.providers.facebook',
 'allauth.socialaccount.providers.google',
 'allauth.socialaccount.providers.linkedin')

已安装的中间件：

 ('django.middleware.common.CommonMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware')

我的模板

{% extends "base.html" %}

{% load i18n %}   
{% load account %}   
{% load url from future %}

{% block title %}Log in{% endblock %}

{% block content_header %}Log in{% endblock %}

{% block main_content %}    
    {% if socialaccount.providers  %}    
    <p> 
       {% blocktrans with site.name as site_name %}
       Please sign in with your existing acounts through     
       {% endblocktrans %}

       <div class="socialaccount_ballot"> 
          <ul class="socialaccount_providers">
          {% include "socialaccount/snippets/provider_list.html" %}    
          </ul>

          <div class="login-or">{% trans 'or' %}</div>  
       </div>

       {% include "socialaccount/snippets/login_extra.html" %}

       {% blocktrans %}    
       <a href="{{ signup_url }}">sign up</a> for a {{site_name}} account and sign in below:
       {% endblocktrans %}
    </p>   
    {% endif %}         
{% endblock %}

{%extends“base.html”%}
{%load i18n%}
{%load account%}
{%从未来加载url%}
{%block title%}登录{%endblock%}
{%block content_header%}登录{%endblock%}
{%block main_content%}
{%if socialaccount.providers%}

{%blocktrans，site.name作为site\u name%}
请通过使用现有帐户登录
{%endblocktrans%}

{%include“socialaccount/snippets/provider_list.html”%}

{%trans'或“%”
{%include“socialaccount/snippets/login_extra.html”%}
{%blocktrans%}
对于{site_name}}帐户，请在下面登录：
{%endblocktrans%}

{%endif%}
{%endblock%}

只是

{%endblock%}

，而不是

{%endblocktrans%}

您在以下位置定义了

站点名称

：

{% blocktrans with site.name as site_name %}
    Please sign in with your existing acounts 
{% endblocktrans %}

{% blocktrans %}
    <a href="{{ signup_url }}">sign up</a> for a {{site_name}} account and sign in below:
{% endblocktrans %}

你没有引用它的地方

但您在以下位置引用了

site\u name

：

{% blocktrans with site.name as site_name %}
    Please sign in with your existing acounts 
{% endblocktrans %}

{% blocktrans %}
    <a href="{{ signup_url }}">sign up</a> for a {{site_name}} account and sign in below:
{% endblocktrans %}

{%blocktrans%}
对于{site_name}}帐户，请在下面登录：
{%endblocktrans%}

您在打开

blocktrans

标记时未声明和定义

site\u name

---

正如我从您的回溯中所看到的，django没有抱怨，因此错误可能来自

socialaccount/snippets/provider\u list.html

或

socialaccount/snippets/login\u extra.html

发布标记（模板），以及异常。。。这就是我们所需要的。如果你在第152行的话，它似乎还没有关闭（根据我所看到的）。也许您应该尝试在末尾添加{%endif%}下次请自己格式化您的问题。我还想知道这是不是太本地化了。你的模板中有

{%loadi18n%}

吗？我已经给了{%endif%}，但是它还是会出错如果我单独给{%endblock%}它会给你更多的错误，比如：TemplateSyntaxError at/accounts/login/'blocktrans'不允许其他块标记（见u'endblock'））在它里面你是对的，我的错误。检查前面的答案。他想说，在关闭第一个blocktrans后，您不能使用site_名称。当你使用它时，你必须像那样重新定义它。试着把所有的东西放在一个blocktrans而不是两个blocktrans中。