auto save

client.py

 import tkinter
+from tkinter import *
 
 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"]
@@ -9,9 +10,14 @@ 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.bg_img = tkinter.PhotoImage(file="duck.png")
 
     def show(self):     # 布置窗口界面
         # 输入框
+        self.canvas = tkinter.Canvas(self.root, width=300, height=340,
+                      bg="lightblue")
+        self.canvas.create_image(0, 0, image=self.bg_img)
+        self.canvas.place(x=0, y=0)              
         self.ent = tkinter.Entry(self.root, show=None, 
                    font=('宋体', 13), bg="snow", width=25)
         self.ent.place(x=10, y=310)
@@ -19,9 +25,17 @@ class Note():       # 便签、笔记
         self.but = tkinter.Button(self.root,text='添加',font=('宋体',12),
                    bg="lightblue", width=5, command=self.get_info)
         self.but.place(x=240, y=305)
-
+        self.y = 20
+        for info in alist:
+            self.canvas.create_text(40, self.y, text=info,
+                                font=("宋体", 11),anchor=W, fill='#FF9900')
+            self.y += 30
     def get_info(self):
-        pass
+        info = self.ent.get()
+        self.ent.delete("0", END)
+        if info != "":
+            alist.append(info)
+            self.canvas.create_text(40,seif.y,text=info,font=("宋体", 11))
 
 app = Note()
 app.show()