无法使用url_for在Flask上生成POST请求 [英] Cannot Generate a POST Request on Flask using url_for

问题描述

我正在尝试创建一个按钮，允许用户通过向后面的视图发送发布请求来删除我的系统上的用户。
我的挑战是我无法获取表单的提交部分来触发POST请求，它始终生成GET，然后无法删除用户：

 < a href ={{url_for（'users.user_delete_admin'，id = user.id）}}class =btn btn-danger btn-xs>删除< / a> ; 
  

我曾尝试将method =post作为参数传递给url_for方法，但那不会't似乎不起作用

我的视图处理程序

  @users_blueprint。 route（'/ admin / delete-user /< int：id>'，methods = [GET，POST]）
 @login_required 
 @admin_login_required 
 def user_delete_admin（id ）：
 user = User.query.get（（id））
如果request.method ==POST：
 user.delete（）
 db.session.commit （）
 return redirect（url_for（'users.users_list_admin'））
 users = User.query.all（）
 return render_template（'users-list-admin.html'，users =用户，current_user = current_user）
  

和html表单：

 < table class =table table-striped table-bordered> 
< thead> 
< tr> 
< th> ID< / th> 
< th>使用者名称< / th> 
是Admin？< / th> 
< th>< / th> 
< th>< / th> 
< / tr> 
< / thead> 
< tbody> 
 {％用户中的用户％} 
< tr> 
< td> {{user.id}}< / td> 
< td> {{user.name}}< / td> 
< td> {{user.admin}}< / td> 
< td> 
< a href ={{url_for（'users.user_update_admin'，id = user.id）}}class =btn btn-info btn-xs>编辑< / a> 
< / td> 
< td> 
 < / td> 
< / tr> 
 {％endfor％} 
< / tbody> 
< / table> 
  

使用简单的表单处理这个过程相对简单，但由于某些原因，我无法正常工作。

谢谢 解决方案

像这样处理它：

 < form method =postaction ={{url_for（'users.user_delete_admin'，id = user.id）}} > 
< button class =btn btn-danger btn-xstype =submit>删除< / button> 
< / form> 
  

I am attempting to create a button that allows for a user to delete a user on the my system by passing through a post request to the following view. My challenge is that I cannot get submission portion of the form to trigger a POST request, it always generates GET and then fails to delete the user :

<a href="{{ url_for('users.user_delete_admin', id=user.id) }}" class="btn btn-danger btn-xs" >Delete</a>

I have tried passing in method ="post" as a parameter to the url_for method, but that doesn't seem to work

My view handler

@users_blueprint.route('/admin/delete-user/<int:id>', methods=["GET","POST"])
@login_required
@admin_login_required
def user_delete_admin(id):
    user = User.query.get((id))
    if request.method =="POST":
       user.delete()
       db.session.commit()
       return redirect(url_for('users.users_list_admin'))
    users = User.query.all()
    return render_template('users-list-admin.html', users=users, current_user=current_user)

And the html form:

    <table class="table table-striped table-bordered">
    <thead>
      <tr>
        <th>ID</th>
        <th>Username</th>
        <th>Is Admin ?</th>
        <th></th>
        <th></th>
      </tr>
    </thead>
    <tbody>
      {% for user in users %}
        <tr>
          <td>{{ user.id }}</td>
          <td>{{ user.name }}</td>
          <td>{{ user.admin }}</td>
          <td>
            <a href="{{ url_for('users.user_update_admin', id=user.id) }}" class="btn btn-info btn-xs">Edit</a>
          </td>
          <td>
            <a href="{{ url_for('users.user_delete_admin', id=user.id) }}" class="btn btn-danger btn-xs" >Delete</a>
          </td>
        </tr>
      {% endfor %}
    </tbody>
  </table>

Handling this with a simple form is relatively simple, but for some reason I cannot get this to function properly.

Thanks

解决方案

Handled it like this:

<form  method = "post" action = "{{ url_for('users.user_delete_admin', id=user.id) }}">
            <button class="btn btn-danger btn-xs" type="submit">Delete</button>
            </form>

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