太感謝您了 不過我現在有個小問題是
我想要TXT檔內特定行數的問題 text[0]內可以只讀取第一行內容
但[1]之後的都讀取不到 我有去爬過readline相關問題了
因為我想要將計算出來的資料分開到GUI內各個部分 用Label 或Entry來顯示都行
但我用出來畫面上顯示出來的都不是完整的數字 好像也顯示不出來 不曉得能否在請教您一下
單純的輸出已經完全OK了!!

root = tk.Tk()  #建立視窗
root.title("Chiller") #視窗名稱
root.geometry("1600x980") #視窗大小
root.resizable(width=0, height=0) #鎖定視窗大小
 

canvas = tk.Canvas(root, 
    width = 1400,      # 指定Canvas元件的寬度 
    height = 1000,      # 指定Canvas元件的高度 
    bg = 'white')      # 指定Canvas元件的背景色 
#im = Tkinter.PhotoImage(file='img.gif')     # 使用PhotoImage開啟圖片 
image = Image.open("D:\冰水主機圖片\冰機人機介面繪圖004.gif") 
im = ImageTk.PhotoImage(image) 
 
canvas.create_image(720,480,image = im)      # 使用create_image將圖片新增到Canvas元件中 

canvas.pack(side="right")         # 將Canvas新增到主視窗

ft1 = tkFont.Font(family="標楷體", size=20, weight=tkFont.BOLD)  #按鈕字體設定
ft2 = tkFont.Font(family="標楷體", size=13, weight=tkFont.BOLD)  #顯示文字字體設定
ft3 = tkFont.Font(family="標楷體", size=13, weight=tkFont.BOLD)
ft4 = tkFont.Font(family="標楷體", size=18, weight=tkFont.BOLD)
ft5 = tkFont.Font(family="標楷體", size=25, weight=tkFont.BOLD)


logPath = "D:\\Chiller_Program/4TEST(OFF2).TXT"

def Data():
    log = ""
    with open(logPath, 'r') as f:
        for line in f.readline():
            log += line
            #print(line[0])
            #print(log[0])
    __writeText(log)
    root.after(1000, Data)
    #os.system("D:\Chiller_Program\dandom.exe")

def __writeText(log):
    PL = text
    PL = tk.Label(text = line,font = ft3,bg="yellow")
    PL.place(x=1220,y=120)   
    #todo (add a consider to detect contents, if change to do this function)
    text.delete(1.0, tk.END)
    text.insert(tk.END, log)


def getSig(contents):
    m = hashlib.md5(contents.encode())
    return m.digest()

def start():
    print("start")
    Data()

#root = tk.Tk()
text = tk.Text(root)

#text.pack()
btnSchedule = tk.Button(root,
                    text='執行調度',      # 顯示文字
                    width=10, height=3
                    ,command = start)
btnSchedule.place(x=10,y=320)
#btnSchedule.pack()
root.mainloop()

import tkinter as tk
import hashlib

logPath = "D:\\tmp\\20200514\\log.txt"

def Data():
    log = []
    with open(logPath, 'r') as f:
        log = f.read().splitlines()
    #__writeText(log)
    writePL(log)
    root.after(1000, Data)

def writePL(log):
    for index,singalLog in enumerate(log,start=1):
        if index %6 == 0:
            __writePL0(singalLog)
        if index %6 == 1:
            __writePL1(singalLog)
        if index %6 == 2:
            __writePL2(singalLog)
        if index %6 == 3:
            __writePL3(singalLog)
        if index %6 == 4:
            __writePL4(singalLog)
        if index %6 == 5:
            __writePL5(singalLog)

def __writePL0(string):
    pL0String.set(string)

def __writePL1(string):
    pL1String.set(string)

def __writePL2(string):
    pL2String.set(string)

def __writePL3(string):
    pL3String.set(string)

def __writePL4(string):
    pL4String.set(string)

def __writePL5(string):
    pL5String.set(string)


# def __writeText(log):
#     #todo (add a consider to detect contents, if change to do this function)
#     # text.delete(1.0, tk.END)
#     # text.insert(tk.END, log)
#     text.delete(1.0, tk.END)
#     for singalLog in log:
#         text.insert(tk.END, singalLog)

def start():
    print("start")
    Data()

root = tk.Tk()
text = tk.Text(root)
text.place(x=1220,y=120)
text.pack()
btnSchedule = tk.Button(root,
                    text='執行調度',      # 顯示文字
                    width=10, height=3
                    ,command = start)

btnSchedule.place(x=10,y=320)
pL0String = tk.StringVar()
pL0String.set("Nothing")
PL0 = tk.Label(root,textvariable = pL0String)
PL0.pack()
pL1String = tk.StringVar()
pL1String.set("Nothing")
PL1 = tk.Label(root,textvariable = pL1String)
PL1.pack()
pL2String = tk.StringVar()
pL2String.set("Nothing")
PL2 = tk.Label(root,textvariable = pL2String)
PL2.pack()
pL3String = tk.StringVar()
pL3String.set("Nothing")
PL3 = tk.Label(root,textvariable = pL3String)
PL3.pack()
pL4String = tk.StringVar()
pL4String.set("Nothing")
PL4 = tk.Label(root,textvariable = pL4String)
PL4.pack()
pL5String = tk.StringVar()
pL5String.set("Nothing")
PL5 = tk.Label(root,textvariable = pL5String)
PL5.pack()

root.mainloop()