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"]
         
@@ -9,13 +8,13 @@ class Note():       # 便签、笔记
         self.root = tkinter.Tk()
         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=r"c:\Users\zw\Documents\level3-lesson19-diy1\bg.png")  
-
+        self.root.resizable(width=False, height=False)  
+        self.bg_img= tkinter.PhotoImage(file='bg.png')#导图图片
     def show(self):     # 布置窗口界面
+        #创建画布
         self.canvas=tkinter.Canvas(self.root,width=300,height=340,bg='lightblue')
-        self.canvas.create_image(0,0,image=self.bg_img,anchor=NW)
-        self.canvas.place(x=0,y=0)
+        self.canvas.create_image(0,0,image=self.bg_img,anchor=NW) #设置加载图片
+        self.canvas.place(x=0,y=0)  #设置出现位置
         # 输入框
         self.ent = tkinter.Entry(self.root, show=None, 
                    font=('宋体', 13), bg="snow", width=25)
@@ -24,19 +23,17 @@ 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)
-        #展示所有的文字
         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.canvas.create_text(40,self.y,text=info,font=('宋体',11),anchor=W,fill='#FF9999')
             self.y+=30
     def get_info(self):
         info=self.ent.get()
-        if info != '':
-            self.ent.delete('0',END)
+        if info !='':
+            self.end.delete('0',END)
             alist.append(info)
-            self.canvas.create_text(40,self.y,text=info,font=('宋体',11),anchor=W,fill='#FF9900')
+            self.canvas.create_text(40,self.y,text=info,font=('宋体',11),anchor=W,fill='#FF9999')
             self.y+=30
-
 app = Note()
 app.show()
-app.root.mainloop() 
+app.root.mainloop()