import tkinter
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()
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")
self.box = PhotoImage(file='box.png')
def show(self): # 布置窗口界面
# 画布
self.canvas = tkinter.Canvas(self.root, width=300, height=340)
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)
self.ent.place(x=10, y=310)
# 按钮
self.but = tkinter.Button(self.root,text='添加',font=('宋体', 12),
bg="lightblue", width=5, command=self.get_info)
self.but.place(x=240, y=305)
# 展示所有的文字
self.y = 20
self.val = 0 # 单选框的value参数
self.v = IntVar() # 设置关联变量
for info in alist:
self.canvas.create_text(40, self.y, text=info,
font=("宋体", 11), anchor=W, fill='#FF9900')
self.select = tkinter.Radiobutton(self.canvas,image=self.box,
value=self.val,variable=self.v,width=25, height=15,
borderwidth=0,command=self.remove)
self.select.place(x=-20,y=self.y-10)
self.val += 1
self.y += 30
def remove(self):
num = self.v.get()
alist.pop(num)
content = json.dumps(users)
with open("user.txt", "w", encoding="utf8") as file:
file.write(content)
self.canvas.destroy()
app.show()
def get_info(self):
info = self.ent.get()
self.ent.delete("0", END)
if info != "":
alist.append(info)
content = json.dumps(users)
with open("user.txt", "w", encoding="utf8") as file:
file.write(content)
self.canvas.create_text(40,self.y,text=info,font=("宋体",11),
anchor=W, fill='#FF9900')
self.select = tkinter.Radiobutton(self.canvas,image=self.box,
value=self.val,variable=self.v,width=25, height=15,
borderwidth=0)
self.select.place(x=-20,y=self.y-10)
self.val += 1
self.y += 30
with open("user.txt", "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
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 password2 == "" or password1=="":
messagebox.showwarning("警告", "请填写完整的注册资料")
elif name in users:
messagebox.showwarning("错误", "用户名已经存在!")
elif password1 != password2:
messagebox.showwarning("错误", "两次密码不一致!")
else:
user_info = {}
user_info["password"] = password1
user_info["event"] = ["提示1：可以从输入框添加新任务",
"提示2：点击前面选择框，表示任务完成"]
users[name] = user_info
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)
# 注册成功，跳往登陆界面
messagebox.showinfo("成功", "注册成功")
reg_to_login()
def login(): # 登录验证
global app,alist
name, password = app_login.get_input()
user_name = users.get(name)
if user_name != None and user_name["password"] == password:
alist = users[name]["event"]
app_login.root.destroy()
app = Note()
app.show()
app.root.mainloop()
else:
messagebox.showwarning("错误", "用户名或密码错误!")
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)
button2 = tkinter.Button(self.root, text='注册', bg="lightgreen",
fg="black", width=15, command=login_to_reg)
button2.place(x=230, y=220)
self.root.mainloop() # 进入消息循环，监听事件
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)
button2 = tkinter.Button(self.root, text='取消', bg="lightgreen",
width=15, command=reg_to_login)
button2.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()