Warning: file_get_contents(/data/phpspider/zhask/data//catemap/2/python/286.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Python Django模板仅访问模型中的一个值_Python_Django_Django Models - Fatal编程技术网

Python Django模板仅访问模型中的一个值

Python Django模板仅访问模型中的一个值,python,django,django-models,Python,Django,Django Models,我有各种各样的课程,其中两个课程的结构如下: class SomeClass(models.Model): name = models.CharField(max_length=60, db_index = True, blank=True) value = models.CharField(max_length=60, db_index = True, blank=True) year = models.DateField(db_index = True, blank=

我有各种各样的课程,其中两个课程的结构如下:

class SomeClass(models.Model):
    name = models.CharField(max_length=60, db_index = True, blank=True)
    value = models.CharField(max_length=60, db_index = True, blank=True)
    year = models.DateField(db_index = True, blank=True)
    tags = models.ManyToManyField(Tag, blank=True)

    def __unicode__(self):
        return self.name

        class Meta:
            ordering = ('name',)
意见如下:

def home_page(request):
    classList = SomeClass.objects.values('name')
    someInstance = classList[0]
    return render_to_response("base.html", {"classList":classList, "someInstance":someInstance})
模板:

<!DOCTYPE html>

<html>
    <head>
    {% load staticfiles %}
    <title> Title </title>
            <link rel="stylesheet" type="text/css" href="{% static "styles/base.css" %}" />
</head>

<body>
    <div id="banner">
        BANNER TEXT
    </div>
    <div id="banner-wrapper">
    </div>  
    <div id="sidebar">
        CLASS
        <ul>
            {% for someClass in classList %}
            <li><a href="/CLP/{{class.name}}">{{class.name}}</a></li>
            {% endfor %}
        </ul>
        </div>

    <div id="someClass">
        {% block class %}

        <h2> {{someInstance.name}} </h2>
        <br>
        <h4> {{someInstance.value}} </h4> 

        {% endblock class %}
    </div>
</body>

{%load staticfiles%}
标题
横幅文本
阶级
    {classList%中某个类的%s}
  • {%endfor%}
{%block class%} {{someInstance.name}
{{someInstance.value} {%endblock类%}

在我的模板中,我可以很容易地访问
{{someInstance.name}}
,但是如果我尝试
{{someInstance.value}}
或类似的方法,我就不会得到值。我已经验证了这些值是否存在,并且使用django管理页面以及shell填充了这些模型。我还能试什么


我正在使用django 1.6

您只获取视图中的
名称
属性:

def home_page(request):
    classList = SomeClass.objects.values('name')
    ------------------------------^^^^^^^^^^^^^^
这就是对象的其他属性在模板中不可用的原因

此外,您的模板-不确定是否存在复制粘贴问题:

{% for someClass in classList %}
    <li><a href="/CLP/{{class.name}}">{{class.name}}</a></li>
{% endfor %}
类Meta:
应与
def
处于同一级别,并且
\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu

def __unicode__(self):
    return unicode(self.name)

您将需要显示视图和模板。我在获取模板时遇到问题,它将保持html格式。我该怎么解决?哇,真不敢相信我错过了。还是习惯了。谢谢
def __unicode__(self):
    return unicode(self.name)