'purchase.requisition' 类中有一个 line_ids 字段:
'line_ids' : fields.one2many('purchase.requisition.line','requisition_id',
'Products to Purchase',states={'done': [('readonly', True)]}),
我在 'purchase.order.line' 中添加了一个 many2one 字段:
'requisition_line_id': fields.many2one('purchase.requisition.line' ,
u'Requisition Line',readonly = True , ondelete = 'restrict' ),
现在,如何在“purchase.order.line”视图中显示“purchase.requisition”的名称字段?