auto save

1.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"]
+
+class Note():
+    def __init__(self):
+        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=True, height=False)  # True可以拉伸，False不能拉伸
+        self.bg_img = tkinter.PhotoImage(file="bg.png")
+        self.box=PhotoImage(file='box.png')
+    def show(self):
+        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)
+        # 输入框
+        self.ent = tkinter.Entry(self.root, show=None,font=('宋体', 13), 
+                   bg="snow", width=25)
+        self.ent.place(x=10, y=308)
+        # 按钮
+        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
+        self.val=0
+        self.v=IntVar()
+        for info in alist:
+            self.canvas.create_text(40,self.y,text=info,font=("宋体", 11),
+                                  anchor=W, fill='#FF9900')
+            self.select=tkinter.Radiobutton(self.canvas,image=self.box,value=self.val,variable=self.v,width=25,height=15,borderwidth=0,command=self.remove)
+            self.select.place(x=-20,y=self.y-10)
+            self.val+=1
+            self.y += 30
+    def remove(self):
+        num=self.v.get()
+        alist.pop(num)
+        self.canvas.destroy()
+        app.show()
+
+    def get_info(self):
+        info=self.ent.get()
+        self.ent.delete('0',END)
+        if info !='':
+            alist.append(info)
+            self.canvas.create_text(40,self.y,text=info,font=('宋体',11),
+                anchor=W,fill='#FF9900')
+            self.select=tkinter.Radiobutton(self.canvas,image=self.box,value=self.val,variable=self.v,width=25,height=15,borderwidth=0,command=self.remove)
+            self.select.place(x=-20,y=self.y-10)
+            self.val+=1
+            self.y+=30
+    
+app = Note()
+app.show()
+app.root.mainloop()
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