dddd/Student/ui/StudentUI.py

from tkinter import *

from dao.UserDao import UserDao
from service.StudentService import *
from service.UserService import UserService


class StudentUI:
    root_window = Tk()  # 根容器
    left_frame = None  # 左侧容器
    right_frame = None  # 右侧容器
    list_entry = []  # 存放Entry组件，用于参数传递和清空按钮的触发

    @staticmethod
    def init_login():
        StudentUI.clear_frame(StudentUI.root_window)  # 清空容器
        StudentUI.root_window.title("登录界面")
        width = 220  # 窗口的宽度
        height = 140  # 窗口的高度
        screen_width = StudentUI.root_window.winfo_screenwidth()  # 获得屏幕宽度
        screen_height = StudentUI.root_window.winfo_screenheight()  # 获得屏幕高度
        size_geo = '%dx%d+%d+%d' % (width, height, (screen_width - width) / 2,
                                    (screen_height - height) / 2)
        StudentUI.root_window.geometry(size_geo)  # 设置窗口的大小、位置（居中）
        label_1 = Label(StudentUI.root_window, text="用户名:")  # 定义组件
        label_2 = Label(StudentUI.root_window, text="密码:")
        entry_1 = Entry(StudentUI.root_window, bd=5)
        entry_2 = Entry(StudentUI.root_window, bd=5, show="*")
        label_3 = Label(StudentUI.root_window, text="")  # 为美化界面
        label_4 = Label(StudentUI.root_window, text="")
        label_1.grid(row=1, column=0)  # 以网格布局的形式加入到root_window中
        entry_1.grid(row=1, column=1)
        label_3.grid(row=2, column=0)
        label_2.grid(row=3, column=0)
        entry_2.grid(row=3, column=1)
        label_4.grid(row=4, column=0)
        button_1 = Button(StudentUI.root_window, text="登录", command=lambda: StudentUI.submit_button(
            lambda: UserService.login_dispose(entry_1.get(), entry_2.get()), StudentUI.init_root))  # 按钮
        button_2 = Button(StudentUI.root_window, text="注册", command=StudentUI.init_register)
        button_1.grid(row=5, column=0)
        button_2.grid(row=5, column=1)
        StudentUI.root_window.mainloop()

    @staticmethod
    def init_register():
        StudentUI.clear_frame(StudentUI.root_window)  # 清空容器
        StudentUI.root_window.title("注册界面")
        width = 220  # 窗口的宽度
        height = 140  # 窗口的高度
        screen_width = StudentUI.root_window.winfo_screenwidth()  # 获得屏幕宽度
        screen_height = StudentUI.root_window.winfo_screenheight()  # 获得屏幕高度
        size_geo = '%dx%d+%d+%d' % (width, height, (screen_width - width) / 2,
                                    (screen_height - height) / 2)
        StudentUI.root_window.geometry(size_geo)  # 设置窗口的大小、位置（居中）
        label_1 = Label(StudentUI.root_window, text="用户名:")  # 定义组件
        label_2 = Label(StudentUI.root_window, text="密码:")
        entry_1 = Entry(StudentUI.root_window, bd=5)
        entry_2 = Entry(StudentUI.root_window, bd=5, show="*")
        label_3 = Label(StudentUI.root_window, text="")  # 为美化界面
        label_4 = Label(StudentUI.root_window, text="")
        label_1.grid(row=1, column=0)  # 以网格布局的形式加入到root_window中
        entry_1.grid(row=1, column=1)
        label_3.grid(row=2, column=0)
        label_2.grid(row=3, column=0)
        entry_2.grid(row=3, column=1)
        label_4.grid(row=4, column=0)
        button_1 = Button(StudentUI.root_window, text="提交", command=lambda: StudentUI.submit_button(
            lambda: UserService.register_dispose(entry_1.get(), entry_2.get()), StudentUI.init_login))  # 按钮
        button_2 = Button(StudentUI.root_window, text="返回登录", command=StudentUI.init_login)
        button_1.grid(row=5, column=0)
        button_2.grid(row=5, column=1)
        StudentUI.root_window.mainloop()

    @staticmethod
    def init_root():
        StudentUI.clear_frame(StudentUI.root_window)  # 清空容器
        StudentUI.root_window.title("学生信息管理系统")  # 设置标题
        width = 700  # 窗口的宽度
        height = 400  # 窗口的高度
        screen_width = StudentUI.root_window.winfo_screenwidth()  # 获得屏幕宽度
        screen_height = StudentUI.root_window.winfo_screenheight()  # 获得屏幕高度
        size_geo = '%dx%d+%d+%d' % (width, height, (screen_width - width) / 2,
                                    (screen_height - height) / 2)
        StudentUI.root_window.geometry(size_geo)  # 设置窗口的大小、位置（居中）
        StudentUI.left_frame = Frame(StudentUI.root_window)
        StudentUI.right_frame = Frame(StudentUI.root_window)
        StudentUI.left_frame.place(width=width / 3, height=height)  # 设置左侧容器
        StudentUI.right_frame.place(width=width / 3 * 2, height=height, x=width / 3)  # 设置右侧容器
        menu = Menu(StudentUI.root_window)  # 添加菜单
        # tearoff=0是关闭第一行虚线
        menu_1 = Menu(menu, tearoff=0)
        menu.add_cascade(label="功能", menu=menu_1)
        menu_2 = Menu(menu, tearoff=0)
        menu.add_cascade(label="文件", menu=menu_2)
        menu_3 = Menu(menu, tearoff=0)
        menu.add_cascade(label="帮助", menu=menu_3)
        menu_1.add_cascade(label="添加学生", command=StudentUI.add_student)  # 添加菜单项
        menu_1.add_cascade(label="删除学生", command=StudentUI.delete_student)
        menu_1.add_cascade(label="修改学生", command=StudentUI.update_student)
        menu_2.add_cascade(label="保存为Excel", command=StudentService.to_excel)
        menu_3.add_cascade(label="关于", command=StudentUI.about)
        StudentUI.root_window["menu"] = menu  # 将菜单加入根容器
        StudentUI.add_student()  # 初始化默认界面
        StudentUI.query_all()
        StudentUI.root_window.mainloop()  # 显示窗口

    @staticmethod
    def clear_frame(frame):
        for widget in frame.winfo_children():  # 清空frame,防止组件重叠
            widget.destroy()
        if frame != StudentUI.right_frame:
            StudentUI.list_entry.clear()  # 清空列表

    @staticmethod
    def clear_entry():
        for i in range(len(StudentUI.list_entry)):
            StudentUI.list_entry[i].delete(0, 'end')
        return True

    @staticmethod
    def add_student():
        StudentUI.clear_frame(StudentUI.left_frame)  # 清空容器
        list_name = ['学号:', '姓名:', '性别:', '年龄:', '电话:', '宿舍号:']  # 标签列表
        for i in range(len(list_name)):  # 将组件实例化、加入到容器中
            label = Label(StudentUI.left_frame, text=list_name[i])
            entry = Entry(StudentUI.left_frame, bd=5)
            label.grid(row=i, column=0)
            entry.grid(row=i, column=1)
            StudentUI.list_entry.append(entry)
        button_1 = Button(StudentUI.left_frame, text="提交",
                          command=lambda: StudentUI.submit_button(
                              lambda: StudentService.add_student(StudentUI.list_entry),
                              StudentUI.query_all))
        button_2 = Button(StudentUI.left_frame, text="清除",
                          command=lambda: StudentUI.clear_entry())
        button_1.grid(row=len(list_name), column=0)
        button_2.grid(row=len(list_name), column=1)

    @staticmethod
    def delete_student():
        StudentUI.clear_frame(StudentUI.left_frame)  # 清空容器
        label = Label(StudentUI.left_frame, text="学号:")
        label.grid(row=0, column=0)
        entry = Entry(StudentUI.left_frame, bd=5)
        entry.grid(row=0, column=1)
        StudentUI.list_entry.append(entry)
        button_1 = Button(StudentUI.left_frame, text="提交", command=lambda: StudentUI.submit_button(
            lambda: StudentService.delete_student(entry.get()),
            StudentUI.query_all))
        button_2 = Button(StudentUI.left_frame, text="清除", command=lambda: StudentUI.clear_entry())
        button_1.grid(row=1, column=0)
        button_2.grid(row=1, column=1)

    @staticmethod
    def update_student():
        StudentUI.clear_frame(StudentUI.left_frame)  # 清空容器
        label = Label(StudentUI.left_frame, text='学号')
        entry = Entry(StudentUI.left_frame, bd=5)
        label.grid(row=0, column=0)
        entry.grid(row=0, column=1)
        button_1 = Button(StudentUI.left_frame, text="查询",
                          command=lambda: StudentUI.submit_button(StudentUI.clear_entry,
                                                                  lambda: StudentService.query_student(entry.get(),
                                                                                                       StudentUI.list_entry)))
        button_2 = Button(StudentUI.left_frame, text="清除", command=lambda: entry.delete(0, 'end'))
        button_1.grid(row=1, column=0)
        button_2.grid(row=1, column=1)
        list_name = ['姓名:', '性别:', '年龄:', '电话:', '宿舍号:']
        for i in range(len(list_name)):  # 将组件实例化、加入到容器中
            label_2 = Label(StudentUI.left_frame, text=list_name[i])
            entry_2 = Entry(StudentUI.left_frame, bd=5)
            label_2.grid(row=i + 2, column=0)  # 前面的学号和查询按钮占了两行，所以i要加2
            entry_2.grid(row=i + 2, column=1)
            StudentUI.list_entry.append(entry_2)
        button_1 = Button(StudentUI.left_frame, text="提交",
                          command=lambda: StudentUI.submit_button(
                              lambda: StudentService.update_student(entry.get(), StudentUI.list_entry),
                              StudentUI.query_all))
        button_2 = Button(StudentUI.left_frame, text="清除", command=lambda: StudentUI.clear_entry())
        button_1.grid(row=len(list_name) + 2, column=0)
        button_2.grid(row=len(list_name) + 2, column=1)

    @staticmethod
    def query_all():
        StudentUI.clear_frame(StudentUI.right_frame)  # 清空容器
        scrollBary = Scrollbar(StudentUI.right_frame, orient=VERTICAL)  # 滚动条初始化（scrollBary为垂直滚动条，scrollBarx为水平滚动条）
        scrollBarx = Scrollbar(StudentUI.right_frame, orient=HORIZONTAL)
        scrollBary.pack(side=RIGHT, fill=Y)  # 靠右，充满Y轴
        scrollBarx.pack(side=BOTTOM, fill=X)  # 靠下，充满X轴
        lb = Listbox(StudentUI.right_frame, width=111, height=32, )
        lb.pack()
        scrollBary.config(command=lb.yview)  # 滚动条与页面内容的位置同步
        scrollBarx.config(command=lb.xview)
        # 调用方法
        StudentService.query_all(lb)

    @staticmethod
    def submit_button(method_1, method_2):
        if method_1() is not None:
            method_2()

    @staticmethod
    def about():
        showinfo(title="关于", message="en~~~~\n好像没啥可以说的....\n")