save project

my_app.py

+import json
 import tkinter
+from tkinter import messagebox
+
+with open(r"user.json", 'w', encoding="utf-8") as f:
+    f.write("{\"admin\": \"123456\"}")
+with open(r"user.json", 'r', encoding="utf-8") as f:
+    info = f.read()
+    users = json.loads(info)
+
 
 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("你有病吗", "请填写完整的信息")
+        return None
+    if name in users:
+        messagebox.showwarning("警告", "在你注册之前已经有人注册了")
+        return None
+    users[name] = password1
+    content = json.dumps(users)
+    with open(r"user.json", 'w', "utf-8") as f:
+        f.write(content)
+
+    for i in range(10):
+        messagebox.showinfo("注册成功", "恭喜你，注册完成了！")
+    login_show()
+
 
 def login():    # 登录验证
     pass
 
+
 class My_login():       # 登录窗口
     def __init__(self):
         self.root = tkinter.Tk()
@@ -54,6 +87,7 @@ class My_login():       # 登录窗口
         self.password = self.e2.get()
         return self.name, self.password
 
+
 class My_register():        # 注册窗口
     def __init__(self):
         self.root = tkinter.Tk()
@@ -75,7 +109,7 @@ class My_register():        # 注册窗口
 
         # Label文本标签，窗口界面文字：用户名、密码、确认密码
         lab = tkinter.Label(self.root, text='您好！请填写注册信息',
-              font=('宋体', 15),fg="black", width=40, height=2, bg="green")
+                            font=('宋体', 15), fg="black", width=40, height=2, bg="green")
         lab.place(x=0, y=0)
         lab1 = tkinter.Label(self.root, text='用户名：', font=("宋体", 12),
                              fg="black")
@@ -89,7 +123,7 @@ class My_register():        # 注册窗口
 
         # 注册界面的提交、取消按钮
         button1 = tkinter.Button(self.root, text='提交', bg="lightblue",
-                  width=15,command=register)
+                                 width=15, command=register)
         button1.place(x=230, y=250)
         button1 = tkinter.Button(self.root, text='取消', bg="lightgreen",
                                  width=15, command=reg_to_login)
@@ -103,5 +137,6 @@ class My_register():        # 注册窗口
         self.password2 = self.e3.get()
         return self.name, self.password1, self.password2
 
+
 app_login = My_login()
 app_login.show()