python的django表单提交添加token

{% csrf_token %}

 <form class="form-horizontal" role="form" method="post" action="/dep/save">
        {% csrf_token %}
        <input name="id" value="{{obj.id}}" type="hidden">
        <div class="form-group">
            <label  class="col-sm-2 control-label">部门名称</label>
            <div class="col-sm-10">
                <input value="{{obj.dname}}" type="text" name="dname" class="form-control"   placeholder="请输入" required>
            </div>
        </div>


        <div class="form-group">
            <div class="col-sm-offset-2 col-sm-10">
                <button type="submit" class="btn btn-default">提交</button>
            </div>
        </div>
    </form>