新页面,简单的tree视图写法

.xml文件

<?xml version="1.0"?>
<openerp>
    <data>
      <!--Tree view-->
      <record id="view_history_order_tree" model="ir.ui.view">
        <field name="name">history.order.tree</field>
        <field name="model">history_order</field>
        <field name="arch" type="xml">
            <tree string="History order">
                <field name="product_id"/>
                <field name="material"/>
                <field name="spec"/>
                <field name="product_uom"/>
                <field name="price"/>
                <field name="product_qty"/>
                <field name="total"/>
                <field name="cust_order_no"/>
                <field name="date_planned"/>
                <field name="memo"/>
                <field name="requirement_text"/>
                <field name="packing_type1"/>
                <field name="state"/>
            </tree>
        </field>
      </record>
      <!--action-->
      <record id="action_view_history_order_tree" model="ir.actions.act_window" >
         <field name="name">历史订单</field>
         <field name="type">ir.actions.act_window</field>
         <field name="res_model">history_order</field>
         <field name="view_mode">tree</field>
      </record>
      <!--menu-->
      <menuitem action="action_view_history_order_tree" id="menu_action_view_history_order_tree" sequence="120" parent="base.menu_sales"/>
    </data>
</openerp>

.py文件

# -*- coding: utf-8 -*- #
##############################################################################
#
#    author: hsx
#    Copyright (C) 2017 odooinfo.com
#
#
##############################################################################
from openerp.osv import fields,osv
from openerp import tools
import openerp.addons.decimal_precision as dp

class history_order(osv.osv):
    _name="history_order"
    _description="history order line "
    _columns={
        'product_id':fields.many2one('product_product',u'产品'),
        'material': fields.related('product_id', 'material',relation='product.product', type="char", string=u'品名/材质',readonly=True,),
        'spec': fields.related('product_id', 'cust_spec',relation='product.product', type="char", string=u'规格',readonly=True,),
        'product_uom': fields.many2one('product.uom',u'单位'),
        'price':fields.float(u'单价',digits=(6,3)),
        'product_qty':fields.float(u'数量', digits_compute= dp.get_precision('Product UoS')),
        'total':fields.float(u'金额'),
        'date_planned':fields.date(u'交期'),
        'cust_order_no':fields.char(u'客户单号'),
        'memo':fields.char(u'备注'),

        'requirement_text':fields.text(string=u"要求"),
        'packing_type1':fields.selection([(1,u'隔板'),(2,u'泡沫')],string=u'包装方式',),
        'state':fields.selection([
            ('draft',u'草稿'),
            ('confirm',u'确认订单'),
            ('cancel',u'取消订单'),]
            ,u'状态', readonly=True, copy=False, select=True),

    }

在init和openerp里分别加

'history_order.xml',
和import history_order