1.7.18. 错误丢弃（向上）

示例： 获取所有错误

{% for error in form.errors %}
  attribute: {{ error.attribute }}
  ...
{% endfor %}

{% for error in form.errors %}
  attribute: {{ error.attribute }}
  ...
{% endfor %}

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如果没有错误，返回 true

{% if form.errors == empty %}
  Congratulations! You have no errors!
{% endif %}

{% if form.errors == empty %}
  Congratulations! You have no errors!
{% endif %}

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如果有错误，返回 true

{% if form.errors == present %}
  Sorry, there were some errors.
{% endif %}

{% if form.errors == present %}
  Sorry, there were some errors.
{% endif %}

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1.7.18. 错误丢弃 （向上）