在django ModelForm CharField之后如何添加“Star *”？ [英] How add a 'Star *' after a django ModelForm CharField?

问题描述

我在我的django ModelForm中有一些必要的字段。如何在必填字段之后添加一个红星（*）？

解决方案

我要假设你想要自动发生，所以这里有几种不同的方法之一：

  {％for form in form％} 
< label for ={{field.auto_id}}> {{field.label_tag}} 
 {％if field.field.required％} 
< span class =required> * < /跨度> 
 {％endif％} 
< / label> 
 {％endfor％} 
  

然后您可以使用CSS为星号设置风格。

或者，如果需要，可以使用CSS添加星号：

  < style type =text / css> 
 span.required：after {content：'*'; } 
< / style> 
 {％表单中的字段％} 
< label for ={{field.auto_id}}> 
 {％if field.field.required％} 
< span class =required> {{field.label_tag}}< / span> 
 {％else％} 
 {{field.label_tag}} 
 {％endif％} 
< / label> 
 {％endfor％} 
  

如果你想做，这可能是一个更好的选择但是，如果您不会单独访问这些字段（例如使用{{form.as_p}}）），那么你可以使用所需的字段来执行其他操作。

可以向ModelForm添加一个属性：

  class FooForm（forms.ModelForm）：
 required_css_class ='required'
  

这将定义所需的所有字段具有必需类（因此，您可以使用上面提到的CSS代码添加了一个星号（或者你想要做的任何事情）。

i have some necessary fields in my django ModelForm. How can i add a red star (*) after the required fields ?

解决方案

I'm going to assume you want this to happen automatically, so here's one of a few different ways:

{% for field in form %}
    <label for="{{ field.auto_id }}">{{ field.label_tag }}
    {% if field.field.required %}
        <span class="required">*</span>
    {% endif %}
    </label>
{% endfor %}

Then you can style the asterisk using CSS.

Or, you can add the asterisk using CSS instead if you want:

<style type="text/css">
    span.required:after { content: '*'; }
</style>
{% for field in form %}
    <label for="{{ field.auto_id }}">
    {% if field.field.required %}
        <span class="required">{{ field.label_tag }}</span>
    {% else %}
        {{ field.label_tag }}
    {% endif %}
    </label>
{% endfor %}

This one is probably a better option if you want to do other things with the required field as well.

However, if you will not be accessing the fields individually (such as using {{ form.as_p }}), then you can add a property to your ModelForm:

class FooForm(forms.ModelForm):
    required_css_class = 'required'

That will define all fields that are required as having the 'required' class (and thus, you can use the CSS code I mentioned above to add an asterisk (or whatever else you want to do with it).

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