浔川python社画板——浔川总社部
前言：
最近，浔川总社部发言人在会议当中提出：
浔川python社画板一定要在规定时间完成，在预期前一定要发布出来。
代码显示：
# -*- coding: utf-8 -*-
import tkinter as tk
import tkinter.messagebox
import pickle
import random
# 窗口
window = tk.Tk()
window.title('欢迎进入python')
window.geometry('450x200')
# 画布放置图片
# canvas=tk.Canvas(window,height=300,width=500)
# imagefile=tk.PhotoImage(file='qm.png')
# image=canvas.create_image(0,0,anchor='nw',image=imagefile)
# canvas.pack(side='top')
# 标签 用户名密码
Verification_Code = random.randint(1000, 9999)#设置一个随机的四位数
Verification_Code = str(Verification_Code)#把类型转换为str型
print(type(Verification_Code))
tk.Label(window, text='用户名:').place(x=100, y=30)
tk.Label(window, text='密码:').place(x=100, y=70)
tk.Label(window, text='验证码').place(x=100, y=110)
tk.Label(window, text=Verification_Code).place(x=320, y=110)
# 用户名输入框
var_usr_name = tk.StringVar()
entry_usr_name = tk.Entry(window, textvariable=var_usr_name)
entry_usr_name.place(x=160, y=30)
# 密码输入框
var_usr_pwd = tk.StringVar()
entry_usr_pwd = tk.Entry(window, textvariable=var_usr_pwd, show='*')
entry_usr_pwd.place(x=160, y=70)
#验证码输入框
var_usr_yzm = tk.StringVar()
entry_usr_yzm = tk.Entry(window, textvariable=var_usr_yzm)
entry_usr_yzm.place(x=160, y=110)
# 登录函数
def usr_log_in():
# 输入框获取用户名密码
usr_name = var_usr_name.get()
usr_pwd = var_usr_pwd.get()
usr_yzm = var_usr_yzm.get()
#测试类型
print(type(usr_yzm),type(Verification_Code))
# 从本地字典获取用户信息,如果没有则新建本地数据库
try:
with open('usr_info.pickle', 'rb') as usr_file:
usrs_info = pickle.load(usr_file)
except FileNotFoundError:
with open('usr_info.pickle', 'wb') as usr_file:
usrs_info = {'admin': 'admin'}
pickle.dump(usrs_info, usr_file)
# 判断验证码是否正确用户名和密码是否匹配
if usr_yzm == Verification_Code:
if usr_name in usrs_info:
if usr_pwd == usrs_info[usr_name]:
tk.messagebox.showinfo(title='welcome',
message='欢迎您:' + usr_name)
else:
tk.messagebox.showerror(message='密码错误')
# 用户名密码不能为空
elif usr_name == '' or usr_pwd == '':
tk.messagebox.showerror(message='用户名或密码为空')
# 不在数据库中弹出是否注册的框
else:
is_signup = tk.messagebox.askyesno('欢迎', '您还没有注册,是否现在注册')
if is_signup:
usr_sign_up()
elif usr_yzm == '':
tk.messagebox.showerror(message='验证码不能为空')
else:
tk.messagebox.showerror(message='验证码有误!')
# 注册函数
def usr_sign_up():
# 确认注册时的相应函数
def signtowcg():
# 获取输入框内的内容
nn = new_name.get()
np = new_pwd.get()
npf = new_pwd_confirm.get()
# 本地加载已有用户信息,如果没有则已有用户信息为空
try:
with open('usr_info.pickle', 'rb') as usr_file:
exist_usr_info = pickle.load(usr_file)
except FileNotFoundError:
exist_usr_info = {}
# 检查用户名存在、密码为空、密码前后不一致
if nn in exist_usr_info:
tk.messagebox.showerror('错误', '用户名已存在')
elif np == '' or nn == '':
tk.messagebox.showerror('错误', '用户名或密码为空')
elif np != npf:
tk.messagebox.showerror('错误', '密码前后不一致')
# 注册信息没有问题则将用户名密码写入数据库
else:
exist_usr_info[nn] = np
with open('usr_info.pickle', 'wb') as usr_file:
pickle.dump(exist_usr_info, usr_file)
tk.messagebox.showinfo('欢迎', '注册成功')
# 注册成功关闭注册框
window_sign_up.destroy()
# 新建注册界面
window_sign_up = tk.Toplevel(window)
window_sign_up.geometry('350x200')
window_sign_up.title('注册')
# 用户名变量及标签、输入框
new_name = tk.StringVar()
tk.Label(window_sign_up, text='用户名:').place(x=10, y=10)
tk.Entry(window_sign_up, textvariable=new_name).place(x=150, y=10)
# 密码变量及标签、输入框
new_pwd = tk.StringVar()
tk.Label(window_sign_up, text='请输入密码:').place(x=10, y=50)
tk.Entry(window_sign_up, textvariable=new_pwd, show='*').place(x=150, y=50)
# 重复密码变量及标签、输入框
new_pwd_confirm = tk.StringVar()
tk.Label(window_sign_up, text='请再次输入密码:').place(x=10, y=90)
tk.Entry(window_sign_up, textvariable=new_pwd_confirm, show='*').place(x=150, y=90)
# 确认注册按钮及位置
bt_confirm_sign_up = tk.Button(window_sign_up, text='确认注册',
command=signtowcg)
bt_confirm_sign_up.place(x=150, y=130)
# 退出的函数
def usr_sign_quit():
window.destroy()
# 登录 注册按钮
bt_login = tk.Button(window, text='登录', command=usr_log_in)
bt_login.place(x=140, y=150)
bt_logup = tk.Button(window, text='注册', command=usr_sign_up)
bt_logup.place(x=210, y=150)
bt_logquit = tk.Button(window, text='退出', command=usr_sign_quit)
bt_logquit.place(x=280, y=150)
# 主循环
window.mainloop()
import tkinter as tk
import time
# 创建主窗口
window = tk.Tk()
window.title('进度条')
window.geometry('630x150')
# 设置下载进度条
tk.Label(window, text='下载进度:', ).place(x=50, y=60)
canvas = tk.Canvas(window, width=465, height=22, bg="white")
canvas.place(x=110, y=60)
# 显示下载进度
def progress():
# 填充进度条
fill_line = canvas.create_rectangle(1.5, 1.5, 0, 23, width=0, fill="green")
x = 500 # 未知变量,可更改
n = 465 / x # 465是矩形填充满的次数
for i in range(x):
n = n + 465 / x
canvas.coords(fill_line, (0, 0, n, 60))
window.update()
time.sleep(0.02) # 控制进度条流动的速度
# 清空进度条
fill_line = canvas.create_rectangle(1.5, 1.5, 0, 23, width=0, fill="white")
x = 500 # 未知变量,可更改
n = 465 / x # 465是矩形填充满的次数
for t in range(x):
n = n + 465 / x
# 以矩形的长度作为变量值更新
canvas.coords(fill_line, (0, 0, n, 60))
window.update()
time.sleep(0) # 时间为0,即飞速清空进度条
btn_download = tk.Button(window, text='启动进度条', command=progress)
btn_download.place(x=400, y=105)
print('请点击上方的''x''退出')
window.mainloop()
#画板
from tkinter import *
from tkinter.colorchooser import askcolor
import time
win_width = 1200
win_height = 750
bgcolor = 'white'
print("画笔初始颜色为黑色.")
print("橡皮擦要先点橡皮擦再点画笔用哦!")
time.sleep(1)
class Application(Frame):
"""一个经典的GUI写法"""
def __init__(self, master=None):
"""初始化方法"""
super().__init__(master) # 调用父类的初始化方法
self.x = 0
self.y = 0
self.fgcolor = "black"
self.lastdraw = 0
self.start_flag = False
self.master = master
self.pack()
self.createWidget()
def createWidget(self):
"""创建画图区域"""
self.drawpad = Canvas(self, width=win_width, height=win_height, bg=bgcolor)
self.drawpad.pack()
# 创建按钮
self.btn_start = Button(self, name='start', text='开始')
self.btn_start.pack(side='left', padx=50)
self.btn_pen = Button(self, name='pen', text='画笔')
self.btn_pen.pack(side='left', padx=50)
self.btn_rect = Button(self, name='rect', text='矩形')
self.btn_rect.pack(side='left', padx=50)
self.btn_clear = Button(self, name='clear', text='清屏')
self.btn_clear.pack(side='left', padx=50)
self.btn_erasor = Button(self, name='erasor', text='橡皮擦')
self.btn_erasor.pack(side='left', padx=50)
self.btn_line = Button(self, name='line', text='直线')
self.btn_line.pack(side='left', padx=50)
self.btn_line_arrow = Button(self, name='line_arrow', text='箭头直线')
self.btn_line_arrow.pack(side='left', padx=50)
self.btn_color = Button(self, name='color', text='颜色')
self.btn_color.pack(side='left', padx=50)
# 绑定事件
self.btn_line.bind('', self.eventManager) # 点击按钮事件
self.btn_line_arrow.bind('', self.eventManager) # 点击按钮事件
self.btn_rect.bind('', self.eventManager) # 点击按钮事件
self.btn_pen.bind('', self.eventManager) # 点击按钮事件
self.btn_erasor.bind('', self.eventManager) # 点击按钮事件
self.btn_clear.bind('', self.eventManager) # 点击按钮事件
self.btn_color.bind('', self.eventManager) # 点击按钮事件
self.master.bind('', self.hotKey) # 绑定快捷键
self.master.bind('', self.hotKey) # 绑定快捷键
self.master.bind('', self.hotKey) # 绑定快捷键
self.master.bind('', self.hotKey) # 绑定快捷键
self.drawpad.bind('', self.stopDraw) # 左键释放按钮
def eventManager(self, event):
name = event.widget.winfo_name()
print(name)
self.start_flag = True
if name == 'line':
# 左键拖动
self.drawpad.bind('', self.myline)
elif name == 'line_arrow':
self.drawpad.bind('', self.myline_arrow)
elif name == 'rect':
self.drawpad.bind('', self.myrect)
elif name == 'pen':
self.drawpad.bind('', self.mypen)
elif name == 'erasor':
self.drawpad.bind('', self.myerasor)
elif name == 'clear':
self.drawpad.delete('all')
elif name == 'color':
c = askcolor(color=self.fgcolor, title='请选择颜色')
print(c) # c的值 ((128.5, 255.99609375, 0.0), '#80ff00')
self.fgcolor = c[1]
def startDraw(self, event):
self.drawpad.delete(self.lastdraw)
if self.start_flag:
self.start_flag = False
self.x = event.x
self.y = event.y
def stopDraw(self, event):
self.start_flag = True
self.lastdraw = 0
def myline(self, event):
self.startDraw(event)
self.lastdraw = self.drawpad.create_line(self.x, self.y, event.x, event.y, fill=self.fgcolor)
def myline_arrow(self, event):
self.startDraw(event)
self.lastdraw = self.drawpad.create_line(self.x, self.y, event.x, event.y, arrow=LAST, fill=self.fgcolor)
def myrect(self, event):
self.startDraw(event)
self.lastdraw = self.drawpad.create_rectangle(self.x, self.y, event.x, event.y, outline=self.fgcolor)
def mypen(self, event):
self.startDraw(event)
print('self.x=', self.x, ',self.y=', self.y)
self.drawpad.create_line(self.x, self.y, event.x, event.y, fill=self.fgcolor)
self.x = event.x
self.y = event.y
def myerasor(self, event):
self.fgcolor = "white"
def hotKey(self, event):
c = event.char
if c == 'r':
self.fgcolor = 'red'
elif c == 'g':
self.fgcolor = 'green'
elif c == 'b':
self.fgcolor = 'blue'
elif c == 'y':
self.fgcolor = 'yellow'
if __name__ == '__main__':
root = Tk()
root.title('浔川python社画板')
root.geometry('1200x1000+400+400')
app = Application(master=root)
root.mainloop()
