python的简单GUI（数据绑定与listbox）

import tkinter import tkinter.messagebox import tkinter.ttk classes={'1':['z1','z2','z3','z4'], '2':['l1','l2','l3'], '3':['m5','m6','m7','m8']} root=tkinter.Tk() root.title("GUI TWO") root['height']=300 root['width']=270 def changeClass(event): grade=comboGrade.get() if grade: comboClass['values']=classes.get(grade) else: comboClass['values']=[] def add(): name=entryName.get() grade=comboGrade.get() cla=comboClass.get() if not (name.strip() and grade and cla): tkinter.messagebox.showerror('Add denied','information is not completed!') mess=name+";"+grade+";"+cla+";"+('Man' if sex.get() else 'Woman')+";"+('Y' if varLeader.get() else 'N') listboxData.insert(0,mess) print(mess.split(";")) def deleteItem(): currentItem=listboxData.curselection() if currentItem: listboxData.delete(currentItem) else: tkinter.messagebox.showinfo(title="Delete denied", message="selected item is null!") #label:name labelName=tkinter.Label(root, text='Name:', justify=tkinter.RIGHT, width=50) labelName.place(x=10,y=5,width=50,height=20) #input:name varName=tkinter.StringVar(root,value='') entryName=tkinter.Entry(root, width=80, textvariable=varName) entryName.place(x=70,y=5,width=150,height=20) #label:grade labelGrade=tkinter.Label(root, text='Grade:', justify=tkinter.RIGHT, width=50) labelGrade.place(x=10,y=40,width=50,height=20) #combobox:grade comboGrade=tkinter.ttk.Combobox(root, width=50, values=tuple(classes.keys())) comboGrade.place(x=70,y=40,width=50,height=20) #label:class labelClass=tkinter.Label(root, text='Class:', justify=tkinter.RIGHT, width=50) labelClass.place(x=150,y=40,width=50,height=20) #combobox:class comboClass=tkinter.ttk.Combobox(root,width=50) comboClass.place(x=200,y=40,width=50,height=20) #label:sex labelSex=tkinter.Label(root, text='Sex:', justify=tkinter.RIGHT, width=50) labelSex.place(x=5,y=70,width=50,height=20) #default sex sex=tkinter.IntVar(root,value=1) #radioButton:man radioMan=tkinter.Radiobutton(root, text='Man', value=1, variable=sex) radioMan.place(x=70,y=70,width=50,height=20) #radioButton:woman radioWoman=tkinter.Radiobutton(root, text='Woman', value=0, variable=sex) radioWoman.place(x=140,y=70,width=90,height=20) #check:leader varLeader=tkinter.IntVar(root,value=0) checkLeader=tkinter.Checkbutton(root, text='is leader?', variable=varLeader, onvalue=1, offvalue=0) checkLeader.place(x=10,y=100,width=90,height=20) #button:add buttonAdd=tkinter.Button(root, text='Add', width=40, command=add) buttonAdd.place(x=150,y=100,width=40,height=20) #button:delete buttonDelete=tkinter.Button(root, text='Delete', width=80, command=deleteItem) buttonDelete.place(x=200,y=100,width=50,height=20) #listbox listboxData=tkinter.Listbox(root,width=300) listboxData.place(x=15,y=130,width=235,height=150) comboGrade.bind('<<ComboboxSelected>>',changeClass) root.mainloop()