auto save

LoginAndReg.py

+import tkinter
+import json
+from tkinter import messagebox
+with open('user.txt','r',encoding='utf-8')as file:
+    content = file.read()
+    users = json.loads(content)
+
+def login_to_reg():    # 登录界面转注册界面
+    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
+    app_reg.root.destroy()
+    global app_login
+    app_login = My_login()
+    app_login.show()
+def register():     # 注册验证
+    name,password1,password2 = app_reg.get_input()
+    if name =='' or password1 == '' or password2 == '':
+        messagebox.showwarning('警告','请填写完整的信息')
+    elif name in users:
+        messagebox.showwarning('错误','用户名已经存在')
+    elif password1 != password2:
+        messagebox.showerror('错误','两次密码不一致')
+    else:
+        users[name] = password1
+        content = json.dumps(users)
+        with open('user.txt','w',encoding='utf-8')as file:
+            file.write(content)
+        messagebox.showinfo('成功','注册成功')
+        reg_to_login()
+def login():    # 登录验证
+    pass    
+
+class My_login():       # 登录窗口
+    def __init__(self):
+        self.root = tkinter.Tk()
+        self.root.title("登录窗口")
+        self.root.geometry('400x300+500+300')
+        self.root.resizable(width=False, height=False)  # True可以拉伸，False不能拉伸
+
+    def show(self):         # 登录界面的所有控件
+        # Label文本标签，界面提示信息
+        l = tkinter.Label(self.root, text='您好！请登录', bg='green', 
+            font=('宋体', 15), width=40, height=2)
+        l.place(x=0, y=0)
+        l = tkinter.Label(self.root, text='用户名：', font=("宋体", 12),
+            fg="black")
+        l.place(x=50, y=80)
+        l = tkinter.Label(self.root, text='密  码：', font=("宋体", 12), 
+            fg="black")
+        l.place(x=50, y=140)
+
+        # Entry单行文本输入框：用户名、密码
+        self.e1 = tkinter.Entry(self.root, show=None, font=('宋体', 14), 
+                  bg="light grey", width=18)  # 显示成明文形式
+        self.e2 = tkinter.Entry(self.root, show='*', font=('宋体', 14),
+                  width=18)  # 显示成密文形式
+        self.e1.place(x=120, y=80)
+        self.e2.place(x=120, y=140)
+
+        # 登录、注册按钮
+        button1 = tkinter.Button(self.root, text='登录', bg="lightblue",
+                  fg="black", width=15, command=login)
+        button1.place(x=60, y=220)
+        button1 = tkinter.Button(self.root, text='注册', bg="lightgreen",
+                  fg="black", width=15, command=login_to_reg)
+        button1.place(x=230, y=220)
+        # 进入消息循环，监听事件
+        self.root.mainloop()
+
+    def get_input(self):      # 获取输入的用户名、密码
+        self.name = self.e1.get()
+        self.password = self.e2.get()
+        return self.name, self.password
+
+class My_register():        # 注册窗口
+    def __init__(self):
+        self.root = tkinter.Tk()
+        self.root.title("注册窗口")
+        self.root.geometry('400x320+500+300')
+        self.root.resizable(width=False, height=False)  # True可以拉伸，False不能拉伸
+   
+    def show(self):     # 注册界面的所有控件
+        # 用户名、密码、确认密码输入框
+        self.e1 = tkinter.Entry(self.root, show=None, font=('宋体', 14), 
+                  bg="light grey", width=18)  # 显示成明文形式
+        self.e1.place(x=140, y=80)
+        self.e2 = tkinter.Entry(self.root, show='*', font=('宋体', 14),
+                  width=18)
+        self.e2.place(x=140, y=140)
+        self.e3 = tkinter.Entry(self.root, show='*', font=('宋体', 14),
+                  width=18)
+        self.e3.place(x=140, y=200)
+
+        # 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")
+        lab.place(x=0, y=0)
+        lab1 = tkinter.Label(self.root, text='用户名：', font=("宋体", 12),
+               fg="black")
+        lab1.place(x=60, y=80)
+        lab2 = tkinter.Label(self.root, text='密  码：', font=("宋体", 12),
+               fg="black")
+        lab2.place(x=60, y=140)
+        lab3 = tkinter.Label(self.root, text='确认密码：', font=("宋体", 12),
+               fg="black")
+        lab3.place(x=50, y=200)
+
+        # 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)
+        button1.place(x=230, y=250)
+        button1 = tkinter.Button(self.root, text='取消', bg="lightgreen",
+                  width=15, command=reg_to_login)
+        button1.place(x=80, y=250)
+        # 进入消息循环
+        self.root.mainloop()
+
+    def get_input(self):         # 获取提交的注册信息
+        self.name = self.e1.get()
+        self.password1 = self.e2.get()
+        self.password2 = self.e3.get()
+        return self.name, self.password1, self.password2
+
+app_login = My_login()
+app_login.show()
\ No newline at end of file

client.py

@@ -10,15 +10,12 @@ class Note():       # 便签、笔记
         self.root.geometry('300x340+1000+200')
         self.root.title("我的便签-待办事项")
         self.root.resizable(width=False, height=False)
-        # self.bg_img = tkinter.PhotoImage(file='bg.png')  # 加载图片
+        self.bg_img = tkinter.PhotoImage(file='a.png')  #gif
 
     def show(self):     # 布置窗口界面
-        self.canvas = tkinter.Canvas(
-            self.root, width=300, height=340, bg='lightgreen')
-        # tkinter.Label(self.root,image='/Users/lego/Documents/level3-lesson19-diy1/bg.png')
-        self.canvas.create_image(0, 0, image='/Users/lego/Desktop/bg.png', anchor=NW)
-
-        self.canvas.place(x=0, y=0)
+        self.canvas = tkinter.Canvas(self.root,width=300,height=340,bg='lightgreen')
+        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)
@@ -28,20 +25,17 @@ class Note():       # 便签、笔记
                                   bg="lightblue", width=5, command=self.get_info)
         self.but.place(x=240, y=305)
 
-        # 展示所有文字
+        #展示所有文字
         self.y = 20
         for info in alist:
-            self.canvas.create_text(
-                40, self.y, text=info, font=12, anchor=W, fill='#FF9900')
+            self.canvas.create_text(40,self.y,text=info,anchor=W,fill = '#111111')
             self.y += 30
-      
     def get_info(self):
         info = self.ent.get()
         if info != '':
             alist.append(info)
-            self.ent.delete('0', END)
-            self.canvas.create_text(
-                40, self.y, text=info, font=12, anchor=W, fill='#FF9900')
+            self.ent.delete('0',END)
+            self.canvas.create_text(40,self.y,text=info,anchor=W,fill = '#111111')
             self.y += 30
 
 

demo.py

+import tkinter
+root = tkinter.Tk()
+root.geometry('300x340+1000+200')
+root.title("我的便签-待办事项")
+
+
+root.mainloop()
\ No newline at end of file