forms.py
class MyForm(forms.Form):
no = forms.CharField(error_messages={'required': u'must be xxx')
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template.html
{{form.no.error}}
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{{form.no.error}}是<ul class="errorlist"><li>must be xxx</li></ul>
我想格式化{{form.no.error}}为纯文本邮件没有任何HTML标记