{% macro print_error(form_fields) %} {% for error_message in form_fields %}
{{ error_message }}
{% endfor %} {% endmacro %}
注册页面
{{ form.csrf_token }}
{{ form.username.label }}
{{ form.username }}{{ print_error(form.username.errors) }}
{{ form.password.label }}
{{ form.password }}{{ print_error(form.password.errors) }}
{{ form.password_confirm.label }}
{{ form.password_confirm }}{{ print_error(form.password_confirm.errors) }}