auto save

my_app.py

 import tkinter
-
+from tkinter import messagebox
+import json
+with open(r'C:\Users\EDY\Documents\level3-lesson18-diy1\user.txt','r',encoding='utf-8')as f:
+    text=f.read()
+    users=json.loads(text)
 def login_to_reg():    # 登录界面转注册界面
-    pass
-
+    app_login.root.destroy()
+    global app_reg
+    app_reg=My_register()
+    app_reg.show()
 def reg_to_login():   # 注册界面转登录界面
-    pass
+    app_reg.root.destroy()
+    global app_login
+    app_login=My_login()
+    app_login.show()
 
 def register():     # 注册验证
-    pass
-
+    name,password1,password2=app_reg.get_input()
+    if name =="" or password1=="" or password2=="":
+        messagebox.showwarning('警告','请填写完整')
+    elif name in users:
+        messagebox.showwarning('警告','用户名已存在')
+    elif password1!=password2:
+         messagebox.showerror('警告','密码不一致')
+    else:
+        users[name]=password1
+        content=json.dumps((users))
+        with open(r'C:\Users\EDY\Documents\level3-lesson18-diy1\user.txt','w',encoding='utf-8')as f:
+            f.write(content)
+        messagebox.showinfo('恭喜','注册成功')
+        reg_to_login()
 def login():    # 登录验证
-    pass    
-
+    name,password=app_login.get_input()
+    pwd=users.get(name)
+    if pwd==password:
+        messagebox.showinfo('恭喜','登陆成功')
+    else:    
+        messagebox.showerror('错误','用户名或密码不正确')
 class My_login():       # 登录窗口
     def __init__(self):
         self.root = tkinter.Tk()
@@ -104,4 +129,6 @@ class My_register():        # 注册窗口
         return self.name, self.password1, self.password2
 
 app_login = My_login()
-app_login.show()
\ No newline at end of file
+app_login.show()
+app_zhuce=My_register()
+app_zhuce.show()
\ No newline at end of file

user.txt

-{"admin": "123456"}
\ No newline at end of file
+{"admin": "123456", "lizitao": "123456", "\u674e\u9526\u9686": "12345", "\u674e\u9526\u9f99": "12345", "\u674e\u9526l": "12345", "we": "123", "xe": "90", "l": "13579"}
\ No newline at end of file