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                ### 圖像視圖 圖的視圖允許匯總匯總和分析模型,它們的根元素是 `<graph>`. 圖形視圖有4個顯示模式,使用的默認模式是使用 `@type` 屬性. Pivot 多維表,允許各種尺寸的選擇得到合適的聚合數據集之前,移動到一個更圖形概述 Bar (默認) 一個條形圖,第一維是用來定義在水平軸上的組,其他維度定義在每個組中的聚集的酒吧。 默認的酒吧是并排的,他們可以堆疊使用 `@stacked="True"` 在 `<graph>` 上 Line 二維直線圖 Pie 2維的餅圖 圖視圖包含 `<field>` 具有強制性 `@type` 屬性取值: `row` (默認) 該字段應為默認聚合 `measure` 該領域應匯總,而不是分組 ~~~ xml <graph string="Total idea score by Inventor"> <field name="inventor_id"/> <field name="score" type="measure"/> </graph> ~~~ Warning 圖形視圖對數據庫執行的聚合值,他們不與非存儲計算字段。 練習 圖像視圖 在每一個過程中,在一個條形圖的形式下,為每一個過程,顯示的次數增加一個圖形視圖。 1. 添加作為存儲計算字段的參與者數量 2. 然后添加相關視圖 *openacademy/models.py* ~~~ python hours = fields.Float(string="Duration in hours", compute='_get_hours', inverse='_set_hours') attendees_count = fields.Integer( string="Attendees count", compute='_get_attendees_count', store=True) @api.depends('seats', 'attendee_ids') def _taken_seats(self): for r in self: ~~~ ~~~ python for r in self: r.duration = r.hours / 24 @api.depends('attendee_ids') def _get_attendees_count(self): for r in self: r.attendees_count = len(r.attendee_ids) @api.constrains('instructor_id', 'attendee_ids') def _check_instructor_not_in_attendees(self): for r in self: ~~~ *openacademy/views/openacademy.xml* ~~~ xml </field> </record> <record model="ir.ui.view" id="openacademy_session_graph_view"> <field name="name">openacademy.session.graph</field> <field name="model">openacademy.session</field> <field name="arch" type="xml"> <graph string="Participations by Courses"> <field name="course_id"/> <field name="attendees_count" type="measure"/> </graph> </field> </record> <record model="ir.actions.act_window" id="session_list_action"> <field name="name">Sessions</field> <field name="res_model">openacademy.session</field> <field name="view_type">form</field> <field name="view_mode">tree,form,calendar,gantt,graph</field> </record> <menuitem id="session_menu" name="Sessions" ~~~
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