tkinter日期控件
內容主要來自互聯網上整理
import calendar import tkinter as tk import tkinter.font as tkFont from tkinter import ttk datetime = calendar.datetime.datetime timedelta = calendar.datetime.timedelta class Calendar: def __init__(s, point = None): s.master = tk.Toplevel() s.master.withdraw() s.master.attributes('-topmost' ,True) fwday = calendar.SUNDAY year = datetime.now().year month = datetime.now().month locale = None sel_bg = '#ecffc4' sel_fg = '#05640e' s._date = datetime(year, month, 1) #每月第一日 s._selection = None #設置為未選中日期 s.G_Frame = ttk.Frame(s.master) s._cal = s.__get_calendar(locale, fwday) s.__setup_styles() # 創建自定義樣式 s.__place_widgets() # pack/grid 小部件 s.__config_calendar() # 調整日歷列和安裝標記 # 配置畫布和正確的綁定，以選擇日期。 s.__setup_selection(sel_bg, sel_fg) # 存儲項ID，用於稍后插入。 s._items = [s._calendar.insert('', 'end', values='') for _ in range(6)] # 在當前空日歷中插入日期 s._update() s.G_Frame.pack(expand = 1, fill = 'both') s.master.overrideredirect(1) s.master.update_idletasks() width, height = s.master.winfo_reqwidth(), s.master.winfo_reqheight() s.height=height if point: x, y = point[0], point[1] else: x, y = (s.master.winfo_screenwidth() - width)/2, (s.master.winfo_screenheight() - height)/2 s.master.geometry('%dx%d+%d+%d' % (width, height, x, y)) #窗口位置居中 s.master.after(300, s._main_judge) s.master.deiconify() s.master.focus_set() s.master.wait_window() #這里應該使用wait_window掛起窗口，如果使用mainloop,可能會導致主程序很多錯誤 def __get_calendar(s, locale, fwday): if locale is None: return calendar.TextCalendar(fwday) else: return calendar.LocaleTextCalendar(fwday, locale) def __setitem__(s, item, value): if item in ('year', 'month'): raise AttributeError("attribute '%s' is not writeable" % item) elif item == 'selectbackground': s._canvas['background'] = value elif item == 'selectforeground': s._canvas.itemconfigure(s._canvas.text, item=value) else: s.G_Frame.__setitem__(s, item, value) def __getitem__(s, item): if item in ('year', 'month'): return getattr(s._date, item) elif item == 'selectbackground': return s._canvas['background'] elif item == 'selectforeground': return s._canvas.itemcget(s._canvas.text, 'fill') else: r = ttk.tclobjs_to_py({item: ttk.Frame.__getitem__(s, item)}) return r[item] def __setup_styles(s): # 自定義TTK風格 style = ttk.Style(s.master) arrow_layout = lambda dir: ( [('Button.focus', {'children': [('Button.%sarrow' % dir, None)]})] ) style.layout('L.TButton', arrow_layout('left')) style.layout('R.TButton', arrow_layout('right')) def __place_widgets(s): # 標頭框架及其小部件 Input_judgment_num = s.master.register(s.Input_judgment) # 需要將函數包裝一下，必要的 hframe = ttk.Frame(s.G_Frame) gframe = ttk.Frame(s.G_Frame) bframe = ttk.Frame(s.G_Frame) hframe.pack(in_=s.G_Frame, side='top', pady=5, anchor='center') gframe.pack(in_=s.G_Frame, fill=tk.X, pady=5) bframe.pack(in_=s.G_Frame, side='bottom', pady=5) lbtn = ttk.Button(hframe, style='L.TButton', command=s._prev_month) lbtn.grid(in_=hframe, column=0, row=0, padx=12) rbtn = ttk.Button(hframe, style='R.TButton', command=s._next_month) rbtn.grid(in_=hframe, column=5, row=0, padx=12) s.CB_year = ttk.Combobox(hframe, width = 5, values = [str(year) for year in range(datetime.now().year, datetime.now().year-20,-1)], validate = 'key', validatecommand = (Input_judgment_num, '%P')) s.CB_year.current(0) s.CB_year.grid(in_=hframe, column=1, row=0) s.CB_year.bind('<KeyPress>', lambda event:s._update(event, True)) s.CB_year.bind("<<ComboboxSelected>>", s._update) tk.Label(hframe, text = '年', justify = 'left').grid(in_=hframe, column=2, row=0, padx=(0,5)) s.CB_month = ttk.Combobox(hframe, width = 3, values = ['%02d' % month for month in range(1,13)], state = 'readonly') s.CB_month.current(datetime.now().month - 1) s.CB_month.grid(in_=hframe, column=3, row=0) s.CB_month.bind("<<ComboboxSelected>>", s._update) tk.Label(hframe, text = '月', justify = 'left').grid(in_=hframe, column=4, row=0) # 日歷部件 s._calendar = ttk.Treeview(gframe, show='', selectmode='none', height=7) s._calendar.pack(expand=1, fill='both', side='bottom', padx=5) ttk.Button(bframe, text = "確 定", width = 6, command = lambda: s._exit(True)).grid(row = 0, column = 0, sticky = 'ns', padx = 20) ttk.Button(bframe, text = "取 消", width = 6, command = s._exit).grid(row = 0, column = 1, sticky = 'ne', padx = 20) tk.Frame(s.G_Frame, bg = '#565656').place(x = 0, y = 0, relx = 0, rely = 0, relwidth = 1, relheigh = 2/200) tk.Frame(s.G_Frame, bg = '#565656').place(x = 0, y = 0, relx = 0, rely = 198/200, relwidth = 1, relheigh = 2/200) tk.Frame(s.G_Frame, bg = '#565656').place(x = 0, y = 0, relx = 0, rely = 0, relwidth = 2/200, relheigh = 1) tk.Frame(s.G_Frame, bg = '#565656').place(x = 0, y = 0, relx = 198/200, rely = 0, relwidth = 2/200, relheigh = 1) def __config_calendar(s): # cols = s._cal.formatweekheader(3).split() cols = ['日','一','二','三','四','五','六'] s._calendar['columns'] = cols s._calendar.tag_configure('header', background='grey90') s._calendar.insert('', 'end', values=cols, tag='header') # 調整其列寬 font = tkFont.Font() maxwidth = max(font.measure(col) for col in cols) for col in cols: s._calendar.column(col, width=maxwidth, minwidth=maxwidth, anchor='center') def __setup_selection(s, sel_bg, sel_fg): def __canvas_forget(evt): canvas.place_forget() s._selection = None s._font = tkFont.Font() s._canvas = canvas = tk.Canvas(s._calendar, background=sel_bg, borderwidth=0, highlightthickness=0) canvas.text = canvas.create_text(0, 0, fill=sel_fg, anchor='w') canvas.bind('<Button-1>', __canvas_forget) s._calendar.bind('<Configure>', __canvas_forget) s._calendar.bind('<Button-1>', s._pressed) def _build_calendar(s): year, month = s._date.year, s._date.month header = s._cal.formatmonthname(year, month, 0) # 更新日歷顯示的日期 cal = s._cal.monthdayscalendar(year, month) for indx, item in enumerate(s._items): week = cal[indx] if indx < len(cal) else [] fmt_week = [('%02d' % day) if day else '' for day in week] s._calendar.item(item, values=fmt_week) def _show_select(s, text, bbox): x, y, width, height = bbox textw = s._font.measure(text) canvas = s._canvas canvas.configure(width = width, height = height) canvas.coords(canvas.text, (width - textw)/2, height / 2 - 1) canvas.itemconfigure(canvas.text, text=text) canvas.place(in_=s._calendar, x=x, y=y) def _pressed(s, evt = None, item = None, column = None, widget = None): """在日歷的某個地方點擊。""" if not item: x, y, widget = evt.x, evt.y, evt.widget item = widget.identify_row(y) column = widget.identify_column(x) if not column or not item in s._items: # 在工作日行中單擊或僅在列外單擊。 return item_values = widget.item(item)['values'] if not len(item_values): # 這個月的行是空的。 return text = item_values[int(column[1]) - 1] if not text: return bbox = widget.bbox(item, column) if not bbox: # 日歷尚不可見 s.master.after(20, lambda : s._pressed(item = item, column = column, widget = widget)) return text = '%02d' % text s._selection = (text, item, column) s._show_select(text, bbox) def _prev_month(s): """更新日歷以顯示前一個月。""" s._canvas.place_forget() s._selection = None s._date = s._date - timedelta(days=1) s._date = datetime(s._date.year, s._date.month, 1) s.CB_year.set(s._date.year) s.CB_month.set(s._date.month) s._update() def _next_month(s): """更新日歷以顯示下一個月。""" s._canvas.place_forget() s._selection = None year, month = s._date.year, s._date.month s._date = s._date + timedelta( days=calendar.monthrange(year, month)[1] + 1) s._date = datetime(s._date.year, s._date.month, 1) s.CB_year.set(s._date.year) s.CB_month.set(s._date.month) s._update() def _update(s, event = None, key = None): """刷新界面""" if key and event.keysym != 'Return': return year = int(s.CB_year.get()) month = int(s.CB_month.get()) if year == 0 or year > 9999: return s._canvas.place_forget() s._date = datetime(year, month, 1) s._build_calendar() # 重建日歷 if year == datetime.now().year and month == datetime.now().month: day = datetime.now().day for _item, day_list in enumerate(s._cal.monthdayscalendar(year, month)): if day in day_list: item = 'I00' + str(_item + 2) column = '#' + str(day_list.index(day)+1) s.master.after(100, lambda :s._pressed(item = item, column = column, widget = s._calendar)) def _exit(s, confirm = False): if not confirm: s._selection = None s.master.destroy() def _main_judge(s): """判斷窗口是否在最頂層""" try: if s.master.focus_displayof() == None or 'toplevel' not in str(s.master.focus_displayof()): s._exit() else: s.master.after(10, s._main_judge) except: s.master.after(10, s._main_judge) def selection(s): """返回表示當前選定日期的日期時間。""" if not s._selection: return None year, month = s._date.year, s._date.month return str(datetime(year, month, int(s._selection[0])))[:10] def Input_judgment(s, content): """輸入判斷""" if content.isdigit() or content == "": return True else: return False
tkinter日期控件在應用代碼中使用
import tkinter as tk from tkinter import ttk from tkinter.scrolledtext import ScrolledText from tkinter import messagebox import threading import time #引用tkinter日期類 import tk_cal import time_utils class App(tk.Tk): def __init__(self): super().__init__() self.set_window() self.createWidgets() self.create_body() self.create_bottom() # 設置窗口 def set_window(self): # 設置窗口標題 self.title("網頁文本下載") # 創建主體 def create_body(self): # 定義Label部件 # ttk.Label( # self.mainframe, # text="網頁文本下載").grid( # row=0, # columnspan=3, # sticky=tk.W) self.start_date = tk.StringVar() # 開始日期 self.end_date = tk.StringVar() # 結束日期 self.bt1 = ttk.Button(self.mainframe, width=15, text='開始日期', command=lambda: self.getdate('start')) # 開始按鈕 self.bt1.grid(row=2, column=0, sticky=tk.W) self.ent1 = tk.Entry(self.mainframe, state='readonly', textvariable=self.start_date) # 開始輸入框 self.ent1.grid(row=2, column=1, sticky=tk.W) self.bt2 = ttk.Button(self.mainframe, width=15, text='結束日期', command=lambda: self.getdate('end')) self.bt2.grid(row=3, column=0, sticky=tk.W) self.ent2 = tk.Entry(self.mainframe, state='readonly', textvariable=self.end_date) self.ent2.grid(row=3, column=1, sticky=tk.W) # 創建底部 def create_bottom(self): # 定義Button部件 self.down_button = ttk.Button( self.mainframe, style="Custom.TButton", text="下 載", command=lambda: thread_it( self.calculate, 1)) self.down_button.grid(row=4, column=2, sticky=tk.W) # ScrolledText組件（滾動文本框） self.stext = ScrolledText( self.mainframe, width=60, height=18, background='#F7F3EC') self.stext.grid(row=5, column=0, columnspan=4) # 設置每格的 padding for child in self.mainframe.winfo_children(): child.grid_configure(padx=5, pady=5) # 按鈕回調函數 def onclick(self): print(self.input.get()) def getdate(s, type): # 獲取選擇的日期 for date in [tk_cal.Calendar().selection()]: if date: if (type == 'start'): # 如果是開始按鈕，就賦值給開始日期 s.start_date.set(date) elif (type == 'end'): s.end_date.set(date) def createWidgets(self): # 獲取屏幕尺寸以計算布局參數，使窗口居屏幕中央,其中width和height為界面寬和高 width = 600 height = 500 screenwidth = self.winfo_screenwidth() screenheight = self.winfo_screenheight() alignstr = '%dx%d+%d+%d' % (width, height, (screenwidth - width) / 2, (screenheight - height) / 2) self.geometry(alignstr) # 固定窗口的長寬，不可改變窗口大小(width=None, height=None) self.resizable(False, False) '''界面''' self.mainframe = ttk.Frame( self, padding="3 3 12 12") # 注意ttk.Frame()的第一個參數為self，因為這個類繼承自tk.Tk類 self.mainframe.grid(column=0, row=0, sticky=(tk.N, tk.W, tk.E, tk.S)) self.mainframe.columnconfigure(0, weight=1) self.mainframe.rowconfigure(0, weight=1) self.style = ttk.Style() # 定義一個全局樣式作為默認樣式（"."表示此樣式將應用於頂級窗口及其所有子元素） self.style.configure('.', font='楷體 12', ) # 給窗口綁定回車鍵事件 # self.bind('<Return>', self.calculate) def calculate(self, *args): # 注意：參數必須是帶!星!號!的 *argself. 否則無論如何都會報類型錯誤：TypeError '''邏輯''' try: # value = float(self.feet.get()) # 如果前面定義為stringVar: self.feet = start_dt = self.start_date.get() end_dt = self.end_date.get() print(start_dt, end_dt) # 下載標志 down_flag = True if not start_dt or not end_dt: messagebox.showerror("錯誤", "開始日期或結束日期不能為空") down_flag = False else: if time_utils.compare_days(end_dt, start_dt) <= 0: messagebox.showerror("錯誤", "開始日期應小於結束日期") down_flag = False if time_utils.compare_days('2021-12-05', end_dt) <= 0: messagebox.showerror("錯誤", "結束日期應小於2021-12-05") down_flag = False if time_utils.compare_days(end_dt, start_dt) > 180: messagebox.showwarning("警告", "相隔天數應小於180天") down_flag = False if down_flag: self.style.configure('Custom.TButton', foreground="black", background="red", borderwidth=10, ) self.down_button['state'] = 'disabled' time.sleep(0.5) # self.stext.insert(tk.END, output) # 使滾動文本框的滾動條始終保持在最底段 # cookier = spider.get_cookies() cookier = True if cookier: self.stext.yview_moveto(1) messagebox.showinfo("標題", "下載完成") self.style.configure('Custom.TButton', foreground="black", background="green", borderwidth=10, ) self.down_button['state'] = 'normal' else: messagebox.showerror("錯誤", "網絡連接錯誤") self.style.configure('Custom.TButton', foreground="black", background="green", borderwidth=10, ) self.down_button['state'] = 'normal' except ValueError: pass # 為避免在下載時tkinter界面卡死，創建線程函數 def thread_it(func, *args): # 創建 t = threading.Thread(target=func, args=args) # 守護 !!! t.setDaemon(True) # 啟動 t.start() if __name__ == "__main__": app = App() app.mainloop()
預覽
引用的時間類
import time from datetime import datetime from functools import wraps # 返回當前日期 def get_curr_dt(): return time.strftime('%Y%m%d',time.localtime()) # 返回當前時間 def get_curr_time(): return time.strftime('%H%M%S', time.localtime()) # 返回兩個日期相差天數 # 使用getdiffdays('20180901','20181009') def get_diff_days(d1, d2): try : d1_day = datetime(int(d1.strip()[:4]), int(d1.strip()[4:6]), int(d1.strip()[6:])) d2_day = datetime(int(d2.strip()[:4]), int(d2.strip()[4:6]), int(d2.strip()[6:])) return (abs(d1_day - d2_day).days) # 350 except ValueError as e: print('Error,日期值錯誤',e) # 比較兩個日期 # 使用compare_days('2021-11-16','2021-11-15') def compare_days(d1, d2): try : d1_day = datetime.strptime(d1, "%Y-%m-%d") d2_day = datetime.strptime(d2, "%Y-%m-%d") return (d1_day - d2_day).days # 350 except ValueError as e: print('Error,日期值錯誤',e) def is_valid_date(s): '''判斷是否是一個有效的日期字符串''' try: time.strptime(s, "%Y%m%d") return True except ValueError: return False def run_time(func): """ 計算程序運行時間的裝飾器 :param func: :return: """ @wraps(func) def decor(*args,**kwargs): start = time.time() res = func(*args,**kwargs) end = time.time() print("func {%s} run {%10.4f}s " % (func.__name__,(end - start))) return res return decor