2017-09-24 57 views
1

我试着用烧瓶SQLite,我已经添加了条目并显示出来。现在我卡在我的删除功能。所以我想通了,我会试着寻求帮助。这里是我的算法:烧瓶SQLite SQalchemy通过ID号删除条目

@app.route('/deleted', methods = ['GET', 'POST']) 
def deleted(): 

    if request.method == 'POST': 
     if not request.form['id']: 
      flash('Please enter the right number!','error') 
     else: 
      student1 = Students(request.form['id']) 
      x = Students.query.filter_by(id=student1) 
      db.session.delete(x) 
      db.session.commit() 

      flash('Record was deleted successfully ') 
      return redirect(url_for('show_all')) 
    return render_template('deleted.html') 

这是我的HTML:

<!DOCTYPE html> 
<html> 
    <body> 

     <h3>S Kickout the student</h3> 
     <hr/> 

     {%- for category, message in get_flashed_messages(with_categories = true) %} 
     <div class = "alert alert-danger"> 
      {{ message }} 
     </div> 
     {%- endfor %} 

     <form action = "/deleted/{{id}}" method = "post"> 
     <label for = "id">Id Number</label><br> 
     <input type = "text" name = "id" placeholder = "Student Id" /><br> 
     <input type = "submit" value = "Delete" /> 

     </form> 

    </body> 
</html> 

有谁能够告诉我哪里做错了?我无法弄清楚。这很容易,但我不会明白为什么我会找不到。我的本地主机上出现错误。任何帮助,将不胜感激。我无处可去。由于该方法是POST和形式存储id,你可以用request.form['id']访问

<form action = "/deleted" method = "post"> 

回答

0

您可以通过从模板中的动作id解决这个问题。