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91 lines
2.5 KiB
91 lines
2.5 KiB
from tkinter import *
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import pymysql
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# 注册功能
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def register():
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username = entry_username.get()
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password = entry_password.get()
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try:
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cursor.execute("INSERT INTO users (username, password) VALUES (%s, %s)", (username, password))
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con.commit()
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label_message.config(text='注册成功！')
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except Exception as e:
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label_message.config(text='注册失败！')
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print('数据库异常', e)
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# 登录功能
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def login():
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global count
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username = entry_username.get()
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password = entry_password.get()
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cursor.execute("SELECT * FROM users WHERE username = %s AND password = %s", (username, password))
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result = cursor.fetchone()
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if result:
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label_message.config(text='登录成功!')
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window.destroy()
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import welcome
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else:
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label_message.config(text='账号或密码错误！')
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count += 1
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if count == 3:
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label_message.config(text='登录失败！')
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btn_login.config(state='disabled')
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# 创建登录界面窗口
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window = Tk()
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window.title("用户登录")
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screen_width = window.winfo_screenwidth()
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screen_height = window.winfo_screenheight()
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# 设置窗口大小和位置
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window_width = int(screen_width / 2)
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window_height = int(screen_height / 2)
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x = (screen_width - window_width) // 2
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y = (screen_height - window_height) // 2
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window.geometry("{}x{}+{}+{}".format(window_width, window_height, x, y))
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# 创建用户名、密码输入框和登录按钮
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label_username = Label(window, text="账号:")
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label_username.pack()
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entry_username = Entry(window)
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entry_username.pack()
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label_password = Label(window, text="密码:")
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label_password.pack()
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entry_password = Entry(window, show='*')
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entry_password.pack()
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btn_login = Button(window, text="登录", command=login)
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btn_login.place(x=310, y=90)
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btn_register = Button(window, text="注册", command=register)
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btn_register.place(x=420, y=90)
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label_message = Label(window, text="", width=window_width)
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label_message.place(x=0, y=120)
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# 数据库连接部分
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con = pymysql.connect(
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host='localhost',
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user='root',
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password='root',
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database='health',
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charset='utf8mb4',
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autocommit=True
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)
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cursor = con.cursor() # 创建游标对象
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# 查询用户信息并输出
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cursor.execute("select * from users")
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result = cursor.fetchall()
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print(type(result), result)
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for row in result:
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print(row)
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# 启动窗口主循环
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window.mainloop() |