auto save

client.py

 import tkinter
 
+root = tkinter.Tk()
+root.geometry('300*350+500+300')
+canv = tkinter.Canvas(root,width=240,heeight=300,bg="lightblue")
+canvas =  tkinter.Canvas(root,width=240,heeight=300,bg="green")
+
+canv=
+canvas=
+
+
+
 alist = ["星期六下午打篮球", "星期天下午和小美一起看电影", 
         "12月18日给蒂法过生日","12.24送妈妈圣诞礼物"]
         
@@ -9,8 +19,13 @@ class Note():       # 便签、笔记
         self.root.geometry('300x340+1000+200')
         self.root.title("我的便签-待办事项")
         self.root.resizable(width=False, height=False)  
-
+        self.be_img = tkinter photoimag(file="dack.png")
     def show(self):     # 布置窗口界面
+    self.canvas = tkinter.Canvas(self.foot,width=300,heeight=340,bg="lightblue")
+    self.canvas.place(x=0,y=0)
+
+
+
         # 输入框
         self.ent = tkinter.Entry(self.root, show=None, 
                    font=('宋体', 13), bg="snow", width=25)