Example Python program ledger_GUI+SQL_core_gui.py

Modules

• import tkinter as tk
• from core.sqlite import 完成的验收名单, session
• from datetime import date
• from db.data import data

Classes

• class 录入界面基类(tk.Frame):
• class 多单选按钮框架(tk.LabelFrame):
• class 界面类(录入界面基类):

Methods

• def init(self, master=None, **kw):
• def get_num_show(self, x):

• def modified(self, event):

• def 写入数据(self):
• def init(self, master, msg, text=None, **kw):
• def init(self, conf, master=None, **kw):
• def 当前员工(self):
• def 当前工作(self):
• def 写入数据(self):

Code

Python tkinter example

import tkinter as tk

BG = '#ececec'
WIDTH = 50


class 录入界面基类(tk.Frame):
    def __init__(self, master=None, **kw):
        tk.Frame.__init__(self, master=master, **kw)
        self.master.geometry('+480+50')
        self.master.configure(bg=BG)
        self.configure(bg=BG)
        self.pack(side=tk.LEFT)
        self.编号列表 = None
        tk.Label(self, text='单据详情', bg=BG, width=WIDTH).pack()

        self.text = tk.Text(self, width=62)
        self.text.pack()

        tk.Label(self,
                 text='在下面输入单据编号(可只输入流水号)',
                 bg=BG,
                 width=WIDTH
                 ).pack(anchor=tk.W)
        self.entry = tk.Entry(self)
        self.entry.pack(anchor=tk.W, fill=tk.BOTH)
        self.entry.insert(0, "DF2019-S")
        self.entry.focus_set()

        self.entry.bind('<Return>', self.get_num_show)  # 绑定回车键的功能

    def get_num_show(self, x):
        self.编号列表 = self.entry.get()  # todo:加个判断是否重复输入功能
        self.entry.delete(8, tk.END)
        self.text.insert(tk.END, self.编号列表)
        self.写入数据()
        self.text.insert(tk.END, '\n')
        self.text.see(tk.END)

        # 每次修改text以后，会自动调用这个，然后滚动到最后
        # def modified(self, event):
        #     self.txt.see(END)  # tkinter.END if you use namespaces
        # 还可以用这个绑定
        # self.txt.bind('<<Modified>>', self.modified)
        # 这个是原帖
        # http://stackoverflow.com/questions/17475116/
        # how-to-make-text-scroll-down-automatically
        # -whenever-text-overcomes-the-visual-ar

    def 写入数据(self):
        """向数据库写入数据"""
        raise NotImplementedError('必须重写此方法')


class 多单选按钮框架(tk.LabelFrame):
    """自定义批量多选按钮"""

    def __init__(self, master, msg, text=None, **kw):
        """
        :param master: 宿主组件
        :param msg: pandas数据框
        :param text: 框架名称,字符串
        """
        tk.LabelFrame.__init__(self, master, text=text, relief=tk.RIDGE, **kw)
        self._当前值 = tk.StringVar()
        self._当前值.set(None)
        for id, row in msg.iterrows():
            tk.Radiobutton(self,
                           text=row['name'],
                           variable=self._当前值,
                           value=row['name'],
                           width=8,
                           justify=tk.LEFT,
                           pady=2,
                           bg=BG
                           ).pack(anchor=tk.W, padx=5)
        tk.Label(self, textvariable=self._当前值).pack()


class 界面类(录入界面基类):
    def __init__(self, conf, master=None, **kw):
        录入界面基类.__init__(self, master, **kw)
        self.master.title('派 工')
        self.master.geometry('560x480+480+50')
        self.选择区 = tk.Frame(self.master, bg=BG)
        self.选择区.pack(side=tk.LEFT)
        self.员工 = 多单选按钮框架(self.选择区, conf[0], text='员工', pady=8, bg=BG)
        self.员工.pack(anchor=tk.W)
        self.工作 = 多单选按钮框架(self.选择区, conf[1], text='工作', pady=8, bg=BG)
        self.工作.pack(anchor=tk.W, pady=20)

    @property
    def 当前员工(self):
        return self.员工._当前值

    @property
    def 当前工作(self):
        return self.工作._当前值

    def 写入数据(self):
        from core.sqlite import 完成的验收名单, session
        from datetime import date
        session.add(完成的验收名单(P_ID=self.编号列表, date=date.today()))
        try:
            session.commit()
            self.text.insert(tk.END, '   记录成功!')
        except Exception:
            self.text.insert(tk.END,'    数据异常! 未保存!')
            session.rollback()
        session.close()


if __name__ == '__main__':
    from db.data import data

    # 录入界面基类().mainloop()
    派工界面 = 界面类([data['员工信息'], data['工作类型']])
    派工界面.mainloop()

Useful Links

• Articles: https://python-commandments.org/
• Python shell: https://bsdnerds.org/learn-python/
• Tutorial: https://pythonprogramminglanguage.com/