auto save

my_client.py

@@ -3,9 +3,6 @@ from tkinter import *
 from tkinter import messagebox
 import json
 
-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():  # 便签、笔记
     def __init__(self):
         self.root = tkinter.Tk()
@@ -46,6 +43,10 @@ class Note():  # 便签、笔记
     def remove(self):        # def对应remove()方法，参数为self
         num = self.v.get()  # 变量num设为
         alist.pop(num)
+        # users字典转换json字符串
+        content = json.dumps(users)
+        with open("user.txt", "w", encoding="utf-8") as file:    # "w"每次写入都覆盖原来的内容
+            file.write(content)
         self.canvas.destroy()  # 画布销毁
         app.show()  # 用show()方法将界面内容重新渲染出来
     def get_info(self):
@@ -53,8 +54,12 @@ class Note():  # 便签、笔记
         self.ent.delete("0", END)
         if info != "":
             alist.append(info)
+            # users字典转换json字符串
+            content = json.dump(users)
+            with open("user.txt", "w", encoding="utf-8") as file:    # "w"每次写入都覆盖原来的内容
+                file.write(content)
             self.canvas.create_text(40,self.y,text=info,font=("宋体",11),
-                         anchor=W, fill='#FF9900')
+                         anchor=W, fill="#FF9900")
             # 用Radiobutton()方法渲染出单选框组件
             self.select = tkinter.Radiobutton(self.canvas,image=self.box,
                         value=self.val,variable=self.v,width=25,height=15,
@@ -101,10 +106,12 @@ def register():     # 注册验证
         reg_to_login()
 
 def login():        # 登录验证
-    global app  # 用global声明app作为全局变量
+    global app,alist # 用global声明app,alist作为全局变量
     name, password = app_login.get_input()
-    pwd = users.get(name)
-    if pwd == password:
+    user_name = users.get(name)  # 提交的用户名取出这层字典
+    # if判断取出的值不等于None和提交密码等于正确密码，说明用户存在
+    if user_name != None and user_name["password"] == password:
+        alist = users[name]["event"] # 从对应的用户信息离将用户自己的任务列表取出来
         app_login.root.destroy()  # 用destroy()方法将登录窗口关闭
         # 创建便签界面
         app = Note()