我有以下Ordereddict的列表 list1 = [OrderedDict([('Numbers','15'),('FirstName','John'),('SecondName','Raul'),('MiddleName','Kyle'),('Grade' ,22)]), OrderedDict([[('Names','John'),('NewFirstName','Mark'),('NewSecondName','Sachel'),('NewThirdName','Raul'),('Grade',15) ]), OrderedDict([[('Numbers','25'),('FirstName','Kyle'),('SecondName','Venn'),('MiddleName','Marcus'),('Grade',24) ]), OrderedDict([[('Names','Sachel'),('NewFirstName','Venn'),('NewSecondName','Kyle'),('NewThirdName','John'),('Grade',71) ])] 其中有8個唯一鍵和一個公共鍵,我想用奇異的順序從中創建一個表,鍵是表的標題。我的預期輸出如下所示,我是kivy生態系統的新手,我看不到像tableview這樣的東西,任何其他視圖都可以用來獲取此輸出以及如何 預期產量 我採用了註釋中給出的更簡單的Recycyle視圖示例,並將no列編輯為9,並嘗試從Ordereddict中選擇值,並且得到了以下輸出,因為我是kivy的新手,所以我不確定是否像預期的那樣提取值輸出 以下是.py和.kv文件 check.py 從kivy.app導入App 從kivy.uix.boxlayout導入BoxLayout 從kivy.uix.recycleview.views導入RecycleDataViewBehavior 從kivy.uix.button導入Button 從kivy.properties導入BooleanProperty,ListProperty,StringProperty,ObjectProperty 從kivy.uix.recyclegridlayout導入RecycleGridLayout 從kivy.uix.behaviors導入FocusBehavior 從kivy.uix.recycleview.layout導入LayoutSelectionBehavior 從kivy.uix.popup導入Popup 從集合中導入OrderedDict list1 = [OrderedDict([('Numbers','15'),('FirstName','John'),('SecondName','Raul'),('MiddleName','Kyle'),('Grade' ,22)]), OrderedDict([[('Names','John'),('NewFirstName','Mark'),('NewSecondName','Sachel'),('NewThirdName','Raul'),('Grade',15) ]), OrderedDict([[('Numbers','25'),('FirstName','Kyle'),('SecondName','Venn'),('MiddleName','Marcus'),('Grade',24) ]), OrderedDict([[('Names','Sachel'),('NewFirstName','Venn'),('NewSecondName','Kyle'),('NewThirdName','John'),('Grade',71) ])] 類TextInputPopup(Popup): obj = ObjectProperty(無) obj_text = StringProperty(“”) def __init __(self,obj,** kwargs): 超級(TextInputPopup,self).__ init __(** kwargs) self.obj = obj self.obj_text = obj.text 類SelectableRecycleGridLayout(FocusBehavior,LayoutSelectionBehavior, RecycleGridLayout): '''將選擇和焦點行為添加到視圖。 ''' 類SelectableButton(RecycleDataViewBehavior,Button): '''向按鈕添加選擇支持''' 索引=無 selected = BooleanProperty(False) selectable = BooleanProperty(真) def refresh_view_attrs(self,rv,index,data): '''捕獲並處理視圖更改''' self.index =索引 返回super(SelectableButton,self).refresh_view_attrs(rv,index,data) def on_touch_down(自我,觸摸): '''按下時添加選擇''' 如果是super(SelectableButton,self).on_touch_down(touch): 返回True 如果self.collide_point(* touch.pos)和self.selectable: 返回self.parent.select_with_touch(self.index,touch) def apply_selection(self,rv,index,is_selected): '''響應選擇視圖中的項目。 ''' self.selected = is_selected def on_press(): 彈出窗口= TextInputPopup(個體) popup.open() def update_changes(self,txt): self.text = txt RV(BoxLayout)類: #data_items = ListProperty(newlist) data_items = ListProperty([]) def __init __(self,** kwargs): 超級(RV,自我).__ init __(** kwargs) self.get_users() def get_users(): #創建data_items 對於清單1中的我: self.data_items.append(i.values()) TestApp(App)類: title =“ Kivy RecycleView&SQLite3演示” def構建(自己): 返回RV() 如果__name__ ==“ __main__”: TestApp()。run() 測試文件 #:獼猴桃1.10.0: 標題:“彈出” size_hint:無,無 大小:400,400 auto_dismiss:錯誤 BoxLayout: 方向:“垂直” TextInput: id:txtinput 文字:root.obj_text 按鍵: size_hint:1,0.2 文字:“保存更改” on_release: root.obj.update_changes(txtinput.text) root.dismiss() 按鍵: size_hint:1,0.2 文字:“取消更改” on_release:root.dismiss() : #繪製背景以指示選擇 canvas.before: 顏色: rgba:(.0,0.9,.1,.3)如果self.selected否則(0,0,0,1) 長方形: pos:self.pos 大小:self.size : BoxLayout: 方向:“垂直” 網格佈局: size_hint:1,無 size_hint_y:無 高度:25 列數:9 標籤: 文字:“數字” 標籤: 文字:“名字” 標籤: 文字:“ SecondName” 標籤: 文字:“ MiddleName” 標籤: 文字:“成績” 標籤: 文字:“名稱” 標籤: 文字:“ NewFirstName” 標籤: 文字:“ NewSecondName” 標籤: 文字:“ NewThirdName” BoxLayout: RecycleView: viewclass:'SelectableButton' 數據:[{'text':str(x)} for root.data_items中的x] SelectableRecycleGridLayout: 列數:9 default_size:無,dp(26) default_size_hint:1,無 size_hint_y:沒有 高度:self.minimum_height 方向:“水平” 多選:True touch_multiselect:真
2021-01-02 08:14:04
問題-TableView 我想有8個唯一鍵和一個通用鍵 從奇異果中以相同的順序從中創建一個表,鍵為 表的標題。 解決方案-使用Kivy RecycleView 修改應用程序以從集合中提取鍵和值。 添加類型為ListProperty的類屬性,例如column_headings = ListProperty([]) 實現嵌套的for循環以提取鍵或列標題 實現嵌套的for循環以提取值 用空字符串覆蓋None 片段 RV(BoxLayout)類: column_headings = ListProperty([]) data_items = ListProperty([]) def __init __(self,** kwargs): 超級(RV,自我).__ init __(** kwargs) self.get_users() def get_users(): #提取鍵或列標題 對於list1中的行: 對於row.keys()中的鍵: 如果鍵不在self.column_headings中: self.column_headings.append(key) #提取值 值= [] 對於list1中的行: 對於self.column_headings中的鍵: 嘗試: values.append(str(row [key])) 刪除行[鍵] 除了KeyError: values.append(無) #用空字符串替換None self.data_items = [''如果x為None,則x表示x中的值] 輸出量 | 你的答案 StackExchange.ifUsing(“ editor”,function(){ StackExchange.using(“ externalEditor”,function(){ StackExchange.using(“ snippets”,function(){ StackExchange.snippets.init(); }); }); },“代碼段”); StackExchange.ready(function(){ var channelOptions = { 標籤:“” .split(“”), id:“ 1” }; initTagRenderer(“”。split(“”),“” .split(“”),channelOptions); StackExchange.using(“ externalEditor”,function(){ //如果啟用了摘要,則必須在摘要後觸發編輯器 如果(StackExchange.settings.snippets.snippetsEnabled){ StackExchange.using(“ snippets”,function(){ createEditor(); 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