parent
425e8aa9d3
commit
aecd2576b5
@ -1,92 +1,123 @@
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from tkinter import *
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import tkinter as tk
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from tkinter import messagebox
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from tkinter import filedialog
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import pymysql
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from flask import Flask, render_template, request, redirect, url_for
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class Application(tk.Frame):
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def __init__(self, master=None):
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super().__init__(master)
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self.master = master
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self.pack()
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self.create_widgets()
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def create_widgets(self):
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self.label_username = tk.Label(self, text="Username:")
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self.label_username.grid(row=0, column=0)
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self.entry_username = tk.Entry(self)
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self.entry_username.grid(row=0, column=1)
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self.label_password = tk.Label(self, text="Password:")
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self.label_password.grid(row=1, column=0)
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self.entry_password = tk.Entry(self, show="*")
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self.entry_password.grid(row=1, column=1)
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self.register_button = tk.Button(self, text="Register", command=self.register_user)
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self.register_button.grid(row=2, column=1)
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self.login_button = tk.Button(self, text="Login", command=self.login_user)
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self.login_button.grid(row=3, column=1)
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def register_user(self):
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username = self.entry_username.get()
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password = self.entry_password.get()
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self.save_to_db(username, password)
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self.clear_fields()
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def login_user(self):
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username = self.entry_username.get()
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password = self.entry_password.get()
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self.validate_credentials(username, password)
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self.clear_fields()
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def save_to_db(self, username, password):
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# 连接数据库
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db = pymysql.connect(host='localhost',
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user='your_username',
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password='your_password',
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database='your_database',
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charset='utf8mb4')
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try:
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with db.cursor() as cursor:
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sql = "INSERT INTO users (username, password) VALUES (%s, %s)"
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cursor.execute(sql, (username, password))
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db.commit()
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messagebox.showinfo("Registration", "User registered successfully!")
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except Exception as e:
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messagebox.showerror("Registration", f"Error: {e}")
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finally:
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db.close()
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def validate_credentials(self, username, password):
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# 连接数据库
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db = pymysql.connect(host='localhost',
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user='your_username',
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password='your_password',
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database='your_database',
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charset='utf8mb4')
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try:
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with db.cursor() as cursor:
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sql = "SELECT * FROM users WHERE username=%s AND password=%s"
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cursor.execute(sql, (username, password))
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result = cursor.fetchone()
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if result:
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messagebox.showinfo("Login", "Login successful!")
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conn = pymysql.connect(host='localhost',
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user='root',
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password='123456',
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database='scaner',
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port=3306,
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charset='utf8')
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# 使用 cursor() 方法创建一个游标对象 cursor
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cursor = conn.cursor()
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print("数据库连接成功！")
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# 查询用户信息
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def userinfo_query(username, password):
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cursor.execute("select * from `user`")
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data = cursor.fetchall()
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username_list_length = len(data)
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for i in range(username_list_length):
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username.append(data[i][0])
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password.append(data[i][1])
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def user_register():
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deng = Tk()
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deng.title("注册")
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deng.geometry("300x200")
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# 在GUI中添加新的输入字段和按钮
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label_new_username = Label(deng, text="新账号：")
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label_new_username.pack()
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entry_new_username = Entry(deng)
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entry_new_username.pack()
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label_new_password = Label(deng, text="新密码：")
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label_new_password.pack()
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entry_new_password = Entry(deng, show="*")
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entry_new_password.pack()
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btn_register = Button(deng, text="注册", command=lambda: register_action(entry_new_username, entry_new_password))
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btn_register.pack(side='right', padx=50)
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def register_action(entry_new_username, entry_new_password):
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cursor.execute("INSERT INTO user (`username`, `password`) VALUES (%s, %s)",
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(entry_new_username.get(), entry_new_password.get()))
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conn.commit()
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print("注册成功！")
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def user_login():
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global count
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count = 2
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username_list = []
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password_list = []
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userinfo_query(username_list, password_list)
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username_input = entry_username.get()
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password_input = entry_password.get()
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if username_input not in username_list:
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label_message.config(text="账号错误！")
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else:
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if password_input in password_list:
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def choose_folde():
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root.destroy()
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root5 = tk.Tk()
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root5.title('选择图片')
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root5.geometry('300x300')
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folder_path = filedialog.askdirectory()
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if folder_path:
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print(f"您选择了文件夹: {folder_path}")
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root.mainloop()
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def callback():
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rootback = tk.Tk()
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rootback.title('用户界面')
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rootback.geometry('300x300')
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tk.Label(rootback, text='请选择你的功能').pack()
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tk.Button(rootback, text="选择需要扫描的图片", command=choose_folde).pack()
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rootback.mainloop()
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# windows.destroy()
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root = tk.Tk()
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root.title('用户界面')
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root.geometry('300x300')
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tk.Label(root, text='请选择你的功能').pack()
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tk.Button(root, text="选择需要扫描的图片", command=choose_folde).pack()
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tk.mainloop()
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else:
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messagebox.showerror("Login", "Invalid credentials.")
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except Exception as e:
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messagebox.showerror("Login", f"Error: {e}")
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finally:
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db.close()
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def clear_fields(self):
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self.entry_username.delete(0, tk.END)
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self.entry_password.delete(0, tk.END)
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root = tk.Tk()
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app = Application(master=root)
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app.mainloop()
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label_message.config(text="密码错误！还可以尝试{}次".format(count))
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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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windows = Tk()
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windows.title("登录")
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windows.geometry("300x200")
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label_username = Label(windows, text="账号：")
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label_username.pack()
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entry_username = Entry(windows)
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entry_username.pack()
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label_password = Label(windows, text="密码：")
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label_password.pack()
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entry_password = Entry(windows, show="*")
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entry_password.pack()
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btn_login = Button(windows, text="登录", command=user_login)
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btn_login.pack(side='left', padx=50)
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entry_password.pack()
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btn_login = Button(windows, text='注册', command=user_register)
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btn_login.pack(side='right', padx=50)
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label_message = Label(windows, text="")
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label_message.pack()
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windows.mainloop()
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@ -0,0 +1,33 @@
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# https://digi.bib.uni-mannheim.de/tesseract/
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# 配置环境变量如E:\Program Files (x86)\Tesseract-OCR
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# tesseract -v进行测试
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# tesseract XXX.png 得到结果
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# pip install pytesseract
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# anaconda lib site-packges pytesseract pytesseract.py
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# tesseract_cmd 修改为绝对路径即可
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from PIL import Image
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import pytesseract
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import cv2
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import os
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preprocess = 'blur' #thresh
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image = cv2.imread('scan.jpg')
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gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
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if preprocess == "thresh":
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gray = cv2.threshold(gray, 0, 255,cv2.THRESH_BINARY | cv2.THRESH_OTSU)[1]
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if preprocess == "blur":
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gray = cv2.medianBlur(gray, 3)
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filename = "{}.png".format(os.getpid())
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cv2.imwrite(filename, gray)
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text = pytesseract.image_to_string(Image.open(filename))
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print(text)
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os.remove(filename)
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cv2.imshow("Image", image)
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cv2.imshow("Output", gray)
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cv2.waitKey(0)
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