From aecd2576b50cd6a5df2a438f8edb5f8132377170 Mon Sep 17 00:00:00 2001 From: scaner <2712248545@qq.com> Date: Thu, 30 May 2024 16:31:37 +0800 Subject: [PATCH] 0530 --- login.py | 211 +++++++++++++++++++++++++++++++------------------------ test.py | 33 +++++++++ 2 files changed, 154 insertions(+), 90 deletions(-) create mode 100644 test.py diff --git a/login.py b/login.py index e9520d5..1eab2bc 100644 --- a/login.py +++ b/login.py @@ -1,92 +1,123 @@ +from tkinter import * import tkinter as tk -from tkinter import messagebox +from tkinter import filedialog import pymysql - -class Application(tk.Frame): - def __init__(self, master=None): - super().__init__(master) - self.master = master - self.pack() - self.create_widgets() - - def create_widgets(self): - self.label_username = tk.Label(self, text="Username:") - self.label_username.grid(row=0, column=0) - - self.entry_username = tk.Entry(self) - self.entry_username.grid(row=0, column=1) - - self.label_password = tk.Label(self, text="Password:") - self.label_password.grid(row=1, column=0) - - self.entry_password = tk.Entry(self, show="*") - self.entry_password.grid(row=1, column=1) - - self.register_button = tk.Button(self, text="Register", command=self.register_user) - self.register_button.grid(row=2, column=1) - - self.login_button = tk.Button(self, text="Login", command=self.login_user) - self.login_button.grid(row=3, column=1) - - def register_user(self): - username = self.entry_username.get() - password = self.entry_password.get() - - self.save_to_db(username, password) - self.clear_fields() - - def login_user(self): - username = self.entry_username.get() - password = self.entry_password.get() - - self.validate_credentials(username, password) - self.clear_fields() - - def save_to_db(self, username, password): - # 连接数据库 - db = pymysql.connect(host='localhost', - user='your_username', - password='your_password', - database='your_database', - charset='utf8mb4') - - try: - with db.cursor() as cursor: - sql = "INSERT INTO users (username, password) VALUES (%s, %s)" - cursor.execute(sql, (username, password)) - db.commit() - messagebox.showinfo("Registration", "User registered successfully!") - except Exception as e: - messagebox.showerror("Registration", f"Error: {e}") - finally: - db.close() - - def validate_credentials(self, username, password): - # 连接数据库 - db = pymysql.connect(host='localhost', - user='your_username', - password='your_password', - database='your_database', - charset='utf8mb4') - - try: - with db.cursor() as cursor: - sql = "SELECT * FROM users WHERE username=%s AND password=%s" - cursor.execute(sql, (username, password)) - result = cursor.fetchone() - if result: - messagebox.showinfo("Login", "Login successful!") - else: - messagebox.showerror("Login", "Invalid credentials.") - except Exception as e: - messagebox.showerror("Login", f"Error: {e}") - finally: - db.close() - - def clear_fields(self): - self.entry_username.delete(0, tk.END) - self.entry_password.delete(0, tk.END) - -root = tk.Tk() -app = Application(master=root) -app.mainloop() +from flask import Flask, render_template, request, redirect, url_for + +conn = pymysql.connect(host='localhost', + user='root', + password='123456', + database='scaner', + port=3306, + charset='utf8') + +# 使用 cursor() 方法创建一个游标对象 cursor +cursor = conn.cursor() +print("数据库连接成功！") + + +# 查询用户信息 +def userinfo_query(username, password): + cursor.execute("select * from `user`") + data = cursor.fetchall() + + username_list_length = len(data) + + for i in range(username_list_length): + username.append(data[i][0]) + password.append(data[i][1]) + + +def user_register(): + deng = Tk() + deng.title("注册") + deng.geometry("300x200") + + # 在GUI中添加新的输入字段和按钮 + label_new_username = Label(deng, text="新账号：") + label_new_username.pack() + entry_new_username = Entry(deng) + entry_new_username.pack() + label_new_password = Label(deng, text="新密码：") + label_new_password.pack() + entry_new_password = Entry(deng, show="*") + entry_new_password.pack() + + btn_register = Button(deng, text="注册", command=lambda: register_action(entry_new_username, entry_new_password)) + btn_register.pack(side='right', padx=50) + + +def register_action(entry_new_username, entry_new_password): + cursor.execute("INSERT INTO user (`username`, `password`) VALUES (%s, %s)", + (entry_new_username.get(), entry_new_password.get())) + conn.commit() + print("注册成功！") + + +def user_login(): + global count + count = 2 + username_list = [] + password_list = [] + userinfo_query(username_list, password_list) + + username_input = entry_username.get() + password_input = entry_password.get() + + if username_input not in username_list: + label_message.config(text="账号错误！") + else: + if password_input in password_list: + def choose_folde(): + root.destroy() + root5 = tk.Tk() + root5.title('选择图片') + root5.geometry('300x300') + folder_path = filedialog.askdirectory() + if folder_path: + print(f"您选择了文件夹: {folder_path}") + + root.mainloop() + def callback(): + rootback = tk.Tk() + rootback.title('用户界面') + rootback.geometry('300x300') + tk.Label(rootback, text='请选择你的功能').pack() + tk.Button(rootback, text="选择需要扫描的图片", command=choose_folde).pack() + rootback.mainloop() + + # windows.destroy() + root = tk.Tk() + root.title('用户界面') + root.geometry('300x300') + tk.Label(root, text='请选择你的功能').pack() + tk.Button(root, text="选择需要扫描的图片", command=choose_folde).pack() + tk.mainloop() + else: + label_message.config(text="密码错误！还可以尝试{}次".format(count)) + count += 1 + if count == 3: + label_message.config(text="登录失败！") + btn_login.config(state='disabled') + + +windows = Tk() +windows.title("登录") +windows.geometry("300x200") +label_username = Label(windows, text="账号：") +label_username.pack() +entry_username = Entry(windows) +entry_username.pack() +label_password = Label(windows, text="密码：") +label_password.pack() +entry_password = Entry(windows, show="*") +entry_password.pack() + +btn_login = Button(windows, text="登录", command=user_login) +btn_login.pack(side='left', padx=50) +entry_password.pack() +btn_login = Button(windows, text='注册', command=user_register) +btn_login.pack(side='right', padx=50) +label_message = Label(windows, text="") +label_message.pack() +windows.mainloop() diff --git a/test.py b/test.py new file mode 100644 index 0000000..570ef67 --- /dev/null +++ b/test.py @@ -0,0 +1,33 @@ +# https://digi.bib.uni-mannheim.de/tesseract/ +# 配置环境变量如E:\Program Files (x86)\Tesseract-OCR +# tesseract -v进行测试 +# tesseract XXX.png 得到结果 +# pip install pytesseract +# anaconda lib site-packges pytesseract pytesseract.py +# tesseract_cmd 修改为绝对路径即可 +from PIL import Image +import pytesseract +import cv2 +import os + +preprocess = 'blur' #thresh + +image = cv2.imread('scan.jpg') +gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY) + +if preprocess == "thresh": + gray = cv2.threshold(gray, 0, 255,cv2.THRESH_BINARY | cv2.THRESH_OTSU)[1] + +if preprocess == "blur": + gray = cv2.medianBlur(gray, 3) + +filename = "{}.png".format(os.getpid()) +cv2.imwrite(filename, gray) + +text = pytesseract.image_to_string(Image.open(filename)) +print(text) +os.remove(filename) + +cv2.imshow("Image", image) +cv2.imshow("Output", gray) +cv2.waitKey(0)