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解决了，需要加个Form

many2many字段在画面上是不显示的吗？比如下面的代码，students是many2many类型的，view中也有<field name="students"/>的描述，但是显示出来的画面上却没有学生的相关信息。

lesson.py

<br />class oecn_training_lesson(osv.osv):<br />&nbsp; &nbsp; _name = &quot;oecn.training.lesson&quot;<br />&nbsp; &nbsp; _discription = &quot;OECN 培训课程&quot;<br />&nbsp; &nbsp; _columns = {<br />&nbsp; &nbsp; &nbsp; &nbsp; &quot;name&quot;: fields.char(u&quot;课程名&quot;, size=64, select=True),<br />&nbsp; &nbsp; &nbsp; &nbsp; &quot;date_start&quot;: fields.date(u&quot;开始日期&quot;, select=True),<br />&nbsp; &nbsp; &nbsp; &nbsp; &quot;total_day&quot;: fields.float(u&quot;总天数&quot;, digits=(16, 1)),<br />&nbsp; &nbsp; &nbsp; &nbsp; &quot;teacher&quot;: fields.many2one(&quot;res.users&quot;, u&quot;授课老师&quot;),<br />&nbsp; &nbsp; &nbsp; &nbsp; &quot;students&quot;: fields.many2many(&quot;res.partner&quot;, &quot;lesson_student_rel&quot;, &quot;lesson_id&quot;, &quot;student_id&quot;, u&quot;学生&quot;),<br />&nbsp; &nbsp; &nbsp; &nbsp; &quot;price&quot;: fields.float(u&quot;价格&quot;, digits=(16, 2)),<br />&nbsp; &nbsp; }<br />oecn_training_lesson()<br />

lesson_view.xml

<br />		&lt;!--定义表单视图 --&gt;<br />		&lt;record model=&quot;ir.ui.view&quot; id=&quot;oecn_training_lesson_from_view&quot;&gt;<br />			&lt;field name=&quot;name&quot;&gt;课程表单&lt;/field&gt;<br />			&lt;field name=&quot;type&quot;&gt;form&lt;/field&gt;<br />			&lt;field name=&quot;model&quot;&gt;oecn.training.lesson&lt;/field&gt;<br />			&lt;field name=&quot;arch&quot; type=&quot;xml&quot;&gt;<br />				&lt;field name=&quot;name&quot; /&gt;<br />				&lt;field name=&quot;date_start&quot; /&gt;<br />				&lt;field name=&quot;total_day&quot; /&gt;<br />				&lt;field name=&quot;price&quot; /&gt;<br />				&lt;field name=&quot;teacher&quot; /&gt;<br />				&lt;field name=&quot;students&quot;/&gt;<br />			&lt;/field&gt;<br />		&lt;/record&gt;<br />

显示的画面上并没有student(学生)的信息，这是为什么呢？
[img [检测到链接无效，已移除] /img]

测试可用，有个小问题。。。为什么输入localhost:8069回车后，总是先到一个注册画面闪一下，然后才到登录画面呢？