python TK库简单应用（实时显示子进程输出）

#!/usr/bin/python3.5# -*- coding: UTF-8 -*- import tkinter     # 导入 Tkinter 库import tkinter.messagebox       # 导入消息框库import os   #导入OS库import subprocess def show_something(): tkinter.messagebox.showinfo( "Python", "Hello everyone") def show_while(): if button3['text'] == 'WHILE_run': button3['text'] = 'WHILE_close' else: button3['text'] = 'WHILE_run' data = subprocess.Popen('./a.out',stdout = subprocess.PIPE,stdin=subprocess.PIPE,shell=True) while True:     '''    与子进程通信，给它输入    data.stdin.write(("abcdf/n").encode()) data.stdin.flush()    ''' t1.config(state='normal')#设置为可编辑 #t1.delete('1.0','end') #清空文本框 t1.insert('end',data.stdout.readline()) t1.see('end')#设置显示最末尾的数据 t1.update() t1.config(state='disabled')#设置为无法编辑 def show_ls(): t2.config(state='normal')#设置为可编辑 t2.delete('1.0','end') #清空文本框 t2.insert('end',os.popen('ls').read()) t2.config(state='disabled')#设置为无法编辑 #---创建窗口对象---root_window = tkinter.Tk()root_window.title('TEST BY FC')root_window.geometry('500x500') #---创建容器---main_frame = tkinter.Frame(root_window)main_frame.pack() #---创建列表---li   = ['C','python','php','html','SQL','java']#---创建两个列表组件---listb = tkinter.Listbox(root_window)     #---给小部件插入数据---for item in li:         listb.insert(0,item)listb.pack() #---创建子容器，在子容器上创建Label---frm1 = tkinter.Frame(main_frame)frm1.pack()tkinter.Label(frm1, text='hello', bg='green', width=10, height=2).pack(side='left')frm2 = tkinter.Frame(main_frame)frm2.pack()tkinter.Label(frm1,text=' world', bg='yellow', width=10, height=2).pack(side='right') #创建按钮button_frm = tkinter.Frame(root_window)button_frm.pack()button1 = tkinter.Button(button_frm, text = "确定", bg='red', fg='white', width=10, height=2, command = show_something)button1.pack()button2 = tkinter.Button(button_frm, text = "LS", bg='blue', fg='white', width=10, height=2, command = show_ls)button2.pack()button3 = tkinter.Button(button_frm, text = "WHILE_run", bg='green', fg='white', width=10, height=2, command = show_while)button3.pack() #创建滚动条s1=tkinter.Scrollbar()s1.pack(side='right',fill='y') # side是滚动条放置的位置，上下左右。fill是将滚动条沿着y轴填充 #创建文本显示框t1 = tkinter.Text(bg='lightgreen',width=30, height=10,state='disabled',yscrollcommand=s1.set)#设置为无法编辑t1.pack()s1.config(command=t1.yview)t2 = tkinter.Text(bg='lightblue',width=10, height=2,state='disabled')#设置为无法编辑t2.pack()  #t2.config(yscrollcommand=s1.set) #---进入消息循环---root_window.mainloop()