auto save

diy.py

+import tkinter
+from tkinter import *
+
+alist=["星期六去打球","星期一去帮妈妈买东西","4号要回学校","周末写作业"]
+
+
+class Note:
+    def __init__(self):
+        #设置窗口
+        self.root=tkinter.Tk()
+        self.root.title("我的便签——待办事项")
+        self.root.geometry("300x340+500+300")
+        self.root.resizable(width=False,height=False)
+        #加载图片
+        self.bg=tkinter.PhotoImage(file='bg.png')
+
+    #页面布局
+    def show(self):
+        #创建画布
+        self.canv=tkinter.Canvas(self.root,width=300,height=340,bg='lightblue')
+        self.canv.place(x=0,y=0)
+        #画布设置背景
+        self.canv.create_image(0,0,image=self.bg,anchor=NW)
+        #画布添加文字
+        self.y=20
+        for info in alist:
+            self.canv.create_text(40,self.y,text=info,fill='#ff9900',
+                                    anchor=W,font=('宋体',11))
+            self.y+=30
+
+        self.e1=tkinter.Entry(self.root,show=None,width=25,
+                font=('宋体',13),bg='snow')
+        self.e1.place(x=10,y=310)
+        self.btn=tkinter.Button(self.root,text="添加",font=('宋体',12),
+                width=5,bg='lightblue',command=self.get_input)
+        self.btn.place(x=240,y=305)
+    #命令函数
+    def get_input(self):
+        content=self.e1.get()
+        if content!='':
+            alist.append(content)
+            print(alist)
+            self.canv.create_text(40,self.y,text=content,fill="#FF9900",
+                                    font=('宋体',11),anchor=W)
+            self.e1.delete("0",END)
+
+note=Note()
+note.show()
+note.root.mainloop()
+print(alist)
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