我使用的Tkinter做一个小项目。 长话短说,我希望有一个标签,产生创作上的一些东西。
后来,我想在同一个地方,但不同的文本打印标签。 我不能为我的生活弄清楚如何删除以前的文字。
我在这个例子风与是文本“这是否甚至工作”字样的“我要的是一个非常长期的,烦人的句子测试”顶
谢谢!
from Tkinter import *
import pygal
class Application(Frame) :
def __init__(self, root) :
Frame.__init__(self, root)
self.root = root
self.grid()
self.create_widgets()
def create_widgets(self) :
queryLabel = Label(self, text = "Enter your query :")
queryLabel.grid(row=0, column=0, sticky=W)
self.userQuery = StringVar()
qEntry = Entry(self, textvariable=self.userQuery)
qEntry.grid(row=0, column=1, sticky=W)
queryTypeLabel = Label(self,text="Selecting query type: ")
queryTypeLabel.grid(row=2, column=0, sticky=W)
self.searchType = StringVar()
authorButton = Radiobutton( self, text="Author", variable=self.searchType, value="author")
authorButton.grid(row=3,column=0,sticky=W)
memberButton = Radiobutton( self, text="PC Member", variable=self.searchType, value="pcmember")
memberButton.grid(row=3,column=1,sticky=W)
affilButton = Radiobutton( self, text="Affiliation", variable=self.searchType, value="affiliation")
affilButton.grid(row=3,column=2,sticky=W)
self.conference = BooleanVar()
confCheck = Checkbutton(self, text="Select Conference?", variable = self.conference)
confCheck.grid(row=4,column=0,sticky=W)
self.conferenceName = StringVar()
self.conferenceName.set('No Preference')
confDropDown = OptionMenu(self, self.conferenceName, *conferenceOptions)
confDropDown.grid(row=4,column=1,sticky=W)
submit_button = Button( self, text="Submit", command = self.reveal)
submit_button.grid(row=5, column = 0, sticky = W)
#self.graphics_button = Button( self, text="I want Statistics!", command=self.graphics)
#self.graphics_button.grid(row=5, column = 1, sticky= W)
label1 = Label(root, text="ALL I WANT IS A VERY LONG AND ANNOYING SENTENCE FOR TESTING")
label1.grid(row=6, column=0, columnspan=5, sticky=W)
def reveal(self) :
#root.submit_button.grid_destroy()
self.label1 = Label(root, text="Does this even work?")
self.label1.grid(row=6, column=0, columnspan=5, sticky=W)
MySQL的一堆东西,删除
### Launch the UI
root = Tk()
root.geometry("800x800+300+300")
app = Application(root)