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个唯一键和一个公共键,我想以相同的顺序从中创建一个表,键是表的标题。我的预期输出如下所示,我是kivy生态系统的新手,我看不到像tableview这样的东西,任何其他视图都可以用来获取此输出以及如何 预期产量 我采用了注释中给出的更简单的Recycyle视图示例,并将no列编辑为9,并尝试从Ordereddict中选择值,并且得到了以下输出,因为我是kivy的新手,所以我不确定是否像预期的那样提取值输出 以下是.py和.kv文件 check.py 从kivy.app导入App 从kivy.uix.boxlayout导入BoxLayout 从kivy.uix.recycleview.views导入RecycleDataViewBehavior 从kivy.uix.button导入Button 从kivy.properties导入BooleanProperty,ListProperty,StringProperty,ObjectProperty 从kivy.uix.recyclegridlayout导入RecycleGridLayout 从kivy.uix.behaviors导入FocusBehavior 从kivy.uix.recycleview.layout导入LayoutSelectionBehavior 从kivy.uix.popup导入Popup 从集合中导入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) ])] 类TextInputPopup(Popup): obj = ObjectProperty(无) obj_text = StringProperty(“”) def __init __(self,obj,** kwargs): 超级(TextInputPopup,self).__ init __(** kwargs) self.obj = obj self.obj_text = obj.text 类SelectableRecycleGridLayout(FocusBehavior,LayoutSelectionBehavior, RecycleGridLayout): '''将选择和焦点行为添加到视图。 ''' 类SelectableButton(RecycleDataViewBehavior,Button): '''向按钮添加选择支持''' 索引=无 selected = BooleanProperty(False) selectable = BooleanProperty(真) def refresh_view_attrs(self,rv,index,data): '''捕获并处理视图更改''' self.index =索引 返回super(SelectableButton,self).refresh_view_attrs(rv,index,data) def on_touch_down(自我,触摸): '''按下时添加选择''' 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): '''响应选择视图中的项目。 ''' self.selected = is_selected def on_press(): 弹出窗口= TextInputPopup(个体) popup.open() def update_changes(self,txt): self.text = txt RV(BoxLayout)类: #data_items = ListProperty(newlist) data_items = ListProperty([]) def __init __(self,** kwargs): 超级(RV,自我).__ init __(** kwargs) self.get_users() def get_users(): #创建data_items 对于清单1中的我: self.data_items.append(i.values()) TestApp(App)类: title =“ Kivy RecycleView&SQLite3演示” def构建(自己): 返回RV() 如果__name__ ==“ __main__”: TestApp()。run() 测试文件 #:猕猴桃1.10.0: 标题:“弹出” size_hint:无,无 大小:400,400 auto_dismiss:错误 BoxLayout: 方向:“垂直” TextInput: id:txtinput 文字:root.obj_text 按键: size_hint:1,0.2 文字:“保存更改” on_release: root.obj.update_changes(txtinput.text) root.dismiss() 按键: size_hint:1,0.2 文字:“取消更改” on_release:root.dismiss() : #绘制背景以指示选择 canvas.before: 颜色: rgba:(.0,0.9,.1,.3)如果self.selected否则(0,0,0,1) 长方形: pos:self.pos 大小:self.size : BoxLayout: 方向:“垂直” 网格布局: size_hint:1,无 size_hint_y:无 高度:25 列数:9 标签: 文字:“数字” 标签: 文字:“名字” 标签: 文字:“ SecondName” 标签: 文字:“ MiddleName” 标签: 文字:“成绩” 标签: 文字:“名称” 标签: 文字:“ NewFirstName” 标签: 文字:“ NewSecondName” 标签: 文字:“ NewThirdName” BoxLayout: RecycleView: viewclass:'SelectableButton' 数据:[{'text':str(x)} for root.data_items中的x] SelectableRecycleGridLayout: 列数:9 default_size:无,dp(26) default_size_hint:1,无 size_hint_y:没有 高度:self.minimum_height 方向:“水平” 多选:True touch_multiselect:真
2021-01-02 08:13:55
问题-TableView 我想有8个唯一键和一个通用键 从中以相同的顺序从中创建一个表,键为 表的标题。 解决方案-使用Kivy RecycleView 修改应用程序以从集合中提取键和值。 添加类型为ListProperty的类属性,例如column_headings = ListProperty([]) 实现嵌套的for循环以提取键或列标题 实现嵌套的for循环以提取值 用空字符串覆盖None 片段 RV(BoxLayout)类: column_headings = ListProperty([]) data_items = ListProperty([]) def __init __(self,** kwargs): 超级(RV,自我).__ init __(** kwargs) self.get_users() def get_users(): #提取键或列标题 对于list1中的行: 对于row.keys()中的键: 如果键不在self.column_headings中: self.column_headings.append(key) #提取值 值= [] 对于list1中的行: 对于self.column_headings中的键: 尝试: values.append(str(row [key])) 删除行[键] 除了KeyError: values.append(无) #用空字符串替换None self.data_items = [''如果x为None,则x表示x中的值] 输出量 | 你的答案 StackExchange.ifUsing(“ editor”,function(){ StackExchange.using(“ externalEditor”,function(){ StackExchange.using(“ snippets”,function(){ StackExchange.snippets.init(); }); }); },“代码段”); StackExchange.ready(function(){ var channelOptions = { 标签:“” .split(“”), id:“ 1” }; initTagRenderer(“”。split(“”),“” .split(“”),channelOptions); StackExchange.using(“ externalEditor”,function(){ //如果启用了摘要,则必须在摘要后触发编辑器 如果(StackExchange.settings.snippets.snippetsEnabled){ StackExchange.using(“ snippets”,function(){ createEditor(); 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