劉任昌整合開發環境IDE的Jupyter編輯Python程式碼
Tkinter是Tk GUI工具包的Python繫結包。它是Tk GUI工具包的標準Python介面[3],並且是Python的業界標準GUI工具包。[4]Tkinter同時也包含在Python的Linux、Microsoft Windows和Mac OS X標準庫中。Tkinter的名字來自Tk interface
原始程式碼
python程式碼的空格也是指令, 格相同個空格同一區塊{其他語言括號當區塊}from tkinter import * #從函式庫 tkinter 輸入所有 * 方法export出口 banks=['和家人','摩根大通','美國銀行','中國工商','富國銀行','匯豐銀行','巴黎銀行'] def ABC(): #畫圖 define自訂函數 global b1 #宣告b1是廣域GLOBAL變數,其他函數也可使用 txt = '' for i in range(len(banks)): txt += banks[i] + ' ' b1=Label(canvas,text=txt,font='Arial 20 bold') b1.pack(side=TOP) def XYZ(): #清除視窗的all所有canvas圖 banks.append('三菱銀行') banks.append('台灣銀行') ABC()#結束XYZ之前給它顯示{curly braces, bracket} def kill(): b1.pack_forget() tk = Tk() tk.title("和家人python建立tkinter視窗使用者介面") #也可以定義視窗名為 window, root課本都如此習慣 canvas = Canvas(tk, width=400, height=400) canvas.pack() btn1 = Button(tk, text="賴青德銀行", command = ABC, bg='black',fg='white').pack(side=LEFT) btn2 = Button(tk, text="賴青德增加", command = XYZ).pack(side=LEFT) btn3 = Button(tk, text="賴青德刪除", command = kill).pack(side=LEFT) tk.mainloop()
SPYDER整合開發環境IDE=Intergrated Development Environment
學習重點
- 指令STATEMENT或INSTRUTION
- 縮排INDENTATION在同一位置就是同一區塊BLOCK
- FONT字型,EM=EMPHASIZE強調。撰寫模式,方便,不專業藉由複習HTML,JAVASCRIPT等,可以順便讓你們了解PYTHON的特色
- .SELECTOR{用在多個元素},SPAN拇指與小指的距離,一小段,一小段的文字
- UL=UNDERER LIST, OL=ORDERED LIST, LI=LIST
- push推,美國餐廳放置餐盤的架子下面是彈簧,取盤子pop,放入盤子push append附加在後面, appendix書本的附錄
- 大括號{ }CURLY BRACKET, CURLY捲,用於PYTHON集合
- 中括號[ ]SQUARE BRACKET, SQUARE方形,用於PYTHON串列 小括號( )CIRCLE BRACKET, CIRCLE圓,用於PYTHON元組
- 角括號<>ANGLE BRACKET,不能直接打角括號,因為它們是HTML命令,需用&符號接LT(小於Less Then)再分號;
- 圓周CIRCUMFERENCE, 直徑DIAMETER, 半徑RADIUS BORDER邊界, SOLID實心, PX=PIXEL點
- PYTHON與JAVASCRIPT命令的對照,PYTHON必須透過編輯器或雲端伺服器(例如GOOGLE COLAB)執行,JAVASCRIPT可以直接在瀏覽器CHROME或EDGE執行
- PYTHON指令len(串列)對比JAVASCRIPT串列.length;
- PYTHON指令串列.append(新增)對比JAVASCRIPT串列.push(新增);傳列.pop()移除最後一個元素
- BUTTON的ONCLICK事件=按下按鈕執行...以最後一個為例,在PYTHON不是使用ONCLICK事件=,PYTHON指令command=要執行的程式
將CSS指令在HTML模式下放在最前面
<STYLE>PRE{BORDER:5PX DASHED RED;} H1{BACKGROUND:GREEN;COLOR:WHITE;PADDING:5PX;TEXT-ALIGN:CENTER;}</STYLE>
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