擅长:python、mysql、java
<p>您应该使用<code>.add</code>而不是<code>.set</code>参见<a href="https://docs.djangoproject.com/en/2.2/topics/db/examples/many_to_many/#many-to-many-relationships" rel="nofollow noreferrer">this</a>。<br/>
<code>.set</code>重写和<code>.add</code>追加</p>
<pre class="lang-py prettyprint-override"><code>studentnamesuuidlist = request.POST.getlist('ogrenci_isimleri') #list
student1 = Student.objects.filter(uuid=studentnamesuuidlist[0])
coursesobject.student.add(student1)
student2 = Student.objects.filter(uuid=studentnamesuuidlist[1])
coursesobject.student.add(student2)
</code></pre>