from tkinter import ttk, Tk, Frame, Canvas, Scrollbar, Label, Entry, Button, StringVar
def get_size(screen_width, screen_height, frame_width, frame_height, scrollbar_zise=15):
# canvas_width: 画布宽度, canvas_height: 画布高度
# scroll_area_width: 滚动区域宽度, scroll_area_height: 滚动区域高度
if screen_width >= frame_width and screen_height >= frame_height: # 没有滚动条
canvas_width = frame_width
canvas_height = frame_height
scroll_area_width = frame_width
scroll_area_height = frame_height
elif screen_width >= frame_width and screen_height < frame_height: # 只有垂直滚动条
canvas_width = frame_width + scrollbar_zise
canvas_height = screen_height
scroll_area_width = frame_width + scrollbar_zise # 增加垂直滚动条占用的高度
scroll_area_height = frame_height
elif screen_width < frame_width and screen_height >= frame_height: # 只有水平滚动条
canvas_width = screen_width
canvas_height = frame_height + scrollbar_zise
scroll_area_width = frame_width
scroll_area_height = frame_height + scrollbar_zise # 增加水平滚动条占用的高度
elif screen_width < frame_width and screen_height < frame_height: # 同时有水平和垂直滚动条
canvas_width = screen_width
canvas_height = screen_height
scroll_area_width = frame_width + scrollbar_zise # 增加垂直滚动条占用的高度
scroll_area_height = frame_height + scrollbar_zise # 增加水平滚动条占用的高度
return canvas_width, canvas_height, scroll_area_width, scroll_area_height
def paint_canvas(root, frame_class, scrollbar_zise=15):
# 生成画布，把frame绘制到画布上
canvas = Canvas(root)
frame = frame_class(canvas)
root.frame = frame
frame.update() # 刷新后才能获取到组件加载后的总内容尺寸
screen_width, screen_height = frame.winfo_screenwidth(), frame.winfo_screenheight()
# 测试参数：
# screen_width, screen_height = 1515, 920
# screen_width, screen_height = 1000, 920
# screen_width, screen_height = 1515, 600
# screen_width, screen_height = 1000, 600
# screen_width, screen_height = 1920, 600
# screen_width, screen_height = 1000, 1080
frame_width, frame_height = frame.winfo_reqwidth(), frame.winfo_reqheight()
canvas_width, canvas_height, scroll_area_width, scroll_area_height = get_size(screen_width, screen_height, frame_width, frame_height, scrollbar_zise)
# 垂直滚动条
if scroll_area_height > canvas_height:
vbar = Scrollbar(canvas, cursor='hand1', orient='vertical', command=canvas.yview)
vbar.place(x=canvas_width - scrollbar_zise, width=scrollbar_zise, height=canvas_height)
canvas.config(yscrollcommand=vbar.set) # 绑定画布和滚动条的滚动
# 水平滚动条
if scroll_area_width > canvas_width:
# 如果有垂直滚动条，水平滚动条宽度要减去垂直滚动条宽度
hbar_width = canvas_width - (scroll_area_height > canvas_height and scrollbar_zise or 0)
hbar = Scrollbar(canvas, cursor='hand1', orient='horizontal', command=canvas.xview)
hbar.place(y=canvas_height - scrollbar_zise, width=hbar_width, height=scrollbar_zise)
canvas.config(xscrollcommand=hbar.set) # 绑定画布和滚动条的滚动
# 刷新画布尺寸参数
canvas.config(width=canvas_width, height=canvas_height, scrollregion=(0, 0, scroll_area_width, scroll_area_height))
# 创建画布可见内容窗口，注意尺寸为frame尺寸的一半
canvas.create_window((int(frame_width / 2), int(frame_height / 2)), window=frame)
canvas.grid(row=0, column=0, padx=0, pady=0)
# 返回窗口在屏幕中的位置
return int((screen_width - canvas_width) / 2), int((screen_height - canvas_height - 100) / 2)
def paint_root(root, title, frame_class):
# scrollbar_zise为滚动条的高度或者宽度
root.title(title)
root.resizable(False, False) # 禁用窗口缩放
root.update_idletasks()
paint_x, paint_y = paint_canvas(root, frame_class) # 在root上绘制画布
# 调整窗口位置
root.geometry('+%s+%s' % (paint_x, paint_y))
root.deiconify()
root.mainloop()
class TableFrame(Frame):
def __init__(self, master=None):
Frame.__init__(self, master)
incr_button = Button(self, text='增加表格', command=self.incr_table)
incr_button.grid(row=0, column=1, pady=10)
decr_button = Button(self, text='缩减表格', command=self.decr_table)
decr_button.grid(row=0, column=3, pady=10)
self.table = ttk.Treeview(self, height=45, show='headings') # 显示45行
self.table['columns'] = tuple(['□'] + [str(i + 1) for i in range(15)])
for column in self.table['columns']:
self.table.column(column, width=100)
self.table.heading(column, text=column)
self.table.heading('□', command=self.select_all) # 表头选框绑定事件
self.table.column('□', width=20) # 调整列宽
# 控制隐藏列
displaycolumns = []
for col in self.table['columns']:
if col != '隐藏列名':
displaycolumns.append(col)
self.table['displaycolumns'] = displaycolumns
self.table.bind('<Double-1>', self.double_select_one) # 绑定双击行选中事件
self.table.bind('<ButtonRelease-1>', self.select_one) # 绑定单击选框选中事件
self.refresh_table_data()
self.table.grid(row=1, column=0, columnspan=5, padx=0, pady=0)
# 为表格增加滚动条
vbar = Scrollbar(self, cursor='hand1', orient='vertical', command=self.table.yview)
self.table.configure(yscrollcommand=vbar.set)
vbar.grid(row=1, column=5, padx=0, pady=0, sticky='NS')
def get_table_data(self): # 获取表格数据，自定义表格内容时修改这个方法
table_data = []
for index, data in enumerate([list(range(15))] * table_root.rows):
table_data.append(['□'] + ['%s:%s' % (index + 1, i + 1) for i in data])
return table_data
def refresh_table_data(self): # 刷新表格数据
self.table.heading('□', text='□')
self.table.all_selected = False
self.table.selected_values = {}
for row in self.table.get_children():
self.table.delete(row)
for table_data in self.get_table_data():
self.table.insert('', 'end', values=table_data)
def incr_table(self): # 表格增加一行
table_root.rows += 1
self.refresh_table_data()
def decr_table(self): # 表格减少一行
table_root.rows -= 1
self.refresh_table_data()
def double_select_one(self, event): # 双击行
selection_row = self.table.identify('row', event.x, event.y)
selection_column = self.table.identify('column', event.x, event.y)
if not selection_row or not selection_column: # 排除点击表头的情况
return
values = self.table.item(selection_row, 'values')
value = values[0] == '□' and '☑' or '□'
self.table.set(selection_row, column='#1', value=value)
if value == '□':
self.table.selected_values.pop(selection_row, None)
else:
self.table.selected_values.update({selection_row: values})
def select_one(self, event): # 单击选框
selection_column = self.table.identify('column', event.x, event.y)
if selection_column == '#1': # 点击的是第一列的选框
self.double_select_one(event)
def select_all(self): # 单击全选
value = self.table.all_selected and '□' or '☑'
self.table.heading('□', text=value)
self.table.selected_values = {}
for row in self.table.get_children():
self.table.set(row, column='#1', value=value)
if value == '☑':
self.table.selected_values.update({row: self.table.item(row, 'values')})
self.table.all_selected = not self.table.all_selected
class MainFrame(Frame):
def __init__(self, master=None):
Frame.__init__(self, master)
self.rows_text = Label(self, width=8, text='行数：')
self.rows_text.grid(row=0, column=0, padx=0, pady=10)
self.rows_str = StringVar()
self.rows = Entry(self, width=10, textvariable=self.rows_str)
self.rows_str.set('100')
self.rows.grid(row=0, column=1, padx=0, pady=10)
refresh_button = Button(self, text='显示表格', command=self.refresh_table)
refresh_button.grid(row=0, column=2, padx=4, pady=10)
def refresh_table(self):
global table_root
if table_root is None or not table_root.children: # 如果首次打开窗口或窗口被关闭
table_root = Tk()
table_root.rows = int(self.rows.get() or 100) # 输入的行数
paint_root(table_root, '表格界面', TableFrame)
else:
table_root.rows = int(self.rows.get() or 100) # 输入的行数
table_root.frame.refresh_table_data()
# 窗口升起
table_root.lift()
table_root.focus_force()
if __name__ == '__main__':
main_root, table_root = Tk(), None
paint_root(main_root, '主界面', MainFrame)
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