gui.py

import tkinter as tk
import threading
from QueryGrade.query_grade import query_grade


class Application:
    def __init__(self, master=None):
        self.master = master
        self.master.title('成绩查询')
        self.master.resizable(False, False)
        self.create_widgets()
        self.is_query = False

    def create_widgets(self):
        # result frame
        rf = tk.Frame(self.master)
        rf.pack(side=tk.TOP)
        xscrollbar = tk.Scrollbar(rf, orient=tk.HORIZONTAL)
        yscrollbar = tk.Scrollbar(rf)
        xscrollbar.grid(row=1, column=0, sticky=tk.N+tk.S+tk.E+tk.W)
        yscrollbar.grid(row=0, column=1, sticky=tk.N+tk.S+tk.E+tk.W)

        self.result = tk.Text(rf, wrap=tk.NONE,
                              xscrollcommand=xscrollbar.set,
                              yscrollcommand=yscrollbar.set)
        self.result.grid(row=0, column=0)

        xscrollbar.config(command=self.result.xview)
        yscrollbar.config(command=self.result.yview)

        # button frame
        bf = tk.Frame(self.master)
        bf.pack(side=tk.BOTTOM)

        self.username_label = tk.Label(bf, text="用户名")
        self.username_label.pack(side=tk.LEFT)
        self.username_input = tk.Entry(bf)
        self.username_input.pack(side=tk.LEFT)
        self.password_label = tk.Label(bf, text="密码")
        self.password_label.pack(side=tk.LEFT)
        self.password_input = tk.Entry(bf, show="*")
        self.password_input.pack(side=tk.LEFT)
        self.query_button = tk.Button(
            bf, text="查询", command=self.query, width=10)
        self.query_button.pack(side=tk.LEFT, padx=30, pady=10)

    def sub_thread(self, username, password):
        self.is_query = True
        res = query_grade(username, password, output=False)
        self.is_query = False
        self.result.delete("1.0", tk.END)
        self.result.insert("1.0", res)

    def query(self):
        self.result.delete("1.0", tk.END)
        if self.is_query:
            self.result.insert("1.0", "查询中，请勿重复查询...")
            return
        username = self.username_input.get().strip()
        password = self.password_input.get().strip()
        if len(username) == 0 or len(password) == 0:
            self.result.insert("1.0", "请输入用户名和密码...")
            return
        T = threading.Thread(target=self.sub_thread, args=(username, password))
        T.start()
        self.result.insert("1.0", "查询中...")


root = tk.Tk()
app = Application(master=root)
root.mainloop()