在模型内动态生成按钮

  


  @api.model
    def fields_view_get(self, view_id=None, view_type='form', toolbar=False, submenu=False):
        """
        Changes the view dynamically
        @param self: The object pointer.
        @return: New arch of view.
        """
　　　　# 首先执行父类的方法，以保证父类的方法能顺利进行，然后再进行自定义的方法的创建

        result = super(ExtentPartnerBank, self).fields_view_get(view_id=view_id, view_type=view_type, toolbar=toolbar, submenu=submenu)

        if view_type == 'form':　　　　# 如果类型为form才能动态创建按钮
            # result = etree.XML(ret_val['arch'], parser=None, base_url=None)
            # 判断是否存在<header>
            # root = etree.fromstring(result['arch'])
            root = etree.XML(result['arch'])
            print('******',result['arch'])
            footers = root.xpath("//sheet/group//field[@name='字段名']")[0]　　# 字段名在视图中是必须有的
　　　　　　　　
            #if not footers:
            #    header = etree.Element('group')
            #    root.insert(len(header), header)
            #    header = etree.SubElement(root, "button")   # 创建并插入节点

            #else:
            #    header = footers[0]
            # 重新提交
            # MainElement = ET.Element("MainElement")
            # subelement = ET.SubElement(MainElement, "subelement")
            # sub_subelement = ET.SubElement(subelement, "sub-subelement")

            dd_submit_button = etree.Element("button")

            dd_submit_button.set('string', u'提交审批')
            dd_submit_button.set('class', 'oe_highlight')
            dd_submit_button.set('position', 'before')
            dd_submit_button.set('type', 'object')
            dd_submit_button.set('name', 'commit_hyper_approve')
            dd_submit_button.set('confirm', '确认提交审批吗？')
            # setup_modifiers(dd_submit_button, result['fields'])
            # 设置审批按钮的 隐藏条件
            # dd_submit_button.set('modifiers', '{"invisible": [["hyper_approve_state", "!=", "wait_start"]]}')
            header.addnext(dd_submit_button)

            result['arch'] = etree.tostring(root)
        return result