0530

login.py

@@ -1,92 +1,123 @@
+from tkinter import *
 import tkinter as tk
-from tkinter import messagebox
+from tkinter import filedialog
 import pymysql
+from flask import Flask, render_template, request, redirect, url_for
 
-class Application(tk.Frame):
+conn = pymysql.connect(host='localhost',
-    def __init__(self, master=None):
+                       user='root',
-        super().__init__(master)
+                       password='123456',
-        self.master = master
+                       database='scaner',
-        self.pack()
+                       port=3306,
-        self.create_widgets()
+                       charset='utf8')
-
+
-    def create_widgets(self):
+# 使用 cursor() 方法创建一个游标对象 cursor
-        self.label_username = tk.Label(self, text="Username:")
+cursor = conn.cursor()
-        self.label_username.grid(row=0, column=0)
+print("数据库连接成功！")
-
+
-        self.entry_username = tk.Entry(self)
+
-        self.entry_username.grid(row=0, column=1)
+# 查询用户信息
-
+def userinfo_query(username, password):
-        self.label_password = tk.Label(self, text="Password:")
+    cursor.execute("select * from `user`")
-        self.label_password.grid(row=1, column=0)
+    data = cursor.fetchall()
-
+
-        self.entry_password = tk.Entry(self, show="*")
+    username_list_length = len(data)
-        self.entry_password.grid(row=1, column=1)
+
-
+    for i in range(username_list_length):
-        self.register_button = tk.Button(self, text="Register", command=self.register_user)
+        username.append(data[i][0])
-        self.register_button.grid(row=2, column=1)
+        password.append(data[i][1])
-
+
-        self.login_button = tk.Button(self, text="Login", command=self.login_user)
+
-        self.login_button.grid(row=3, column=1)
+def user_register():
-
+    deng = Tk()
-    def register_user(self):
+    deng.title("注册")
-        username = self.entry_username.get()
+    deng.geometry("300x200")
-        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):
+    # 在GUI中添加新的输入字段和按钮
-        self.entry_username.delete(0, tk.END)
+    label_new_username = Label(deng, text="新账号：")
-        self.entry_password.delete(0, tk.END)
+    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()
-app = Application(master=root)
+            root.title('用户界面')
-app.mainloop()
+            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()

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)