DatabaseThinkingandRelationalDatabase/X4/StuSys_X4_bootstrap.py

from tkinter import Frame
import tkinter.font as tkFont

from ttkbootstrap import *
import ttkbootstrap as ttk
from ttkbootstrap.constants import *

import pandas as pd
import pymysql
from ttkbootstrap.toast import ToastNotification

from BaseWindow import BaseWindow
from X2.StuSys_X2_bootstrap import LoadElement


def get_text_content(text):
    return text.get("0.0", "end").replace("\n", " ")


class FormElement(Frame):
    def __init__(self, master):
        super().__init__(master)
        self.master = master
        self.data = []
        self.conn = pymysql.connect(user="root", password="Wyz010810", database="SCT", host="127.0.0.1", port=3306)
        self.font_style = tkFont.Font(family="Lucida Grande", size=20)
        self.button_font = tkFont.Font(family="Lucida Grande", size=10)
        self.default_query_sql = "select * from student"
        self.create_form()
        self.create_treeview(pd.read_sql(self.default_query_sql, con=self.conn))


    def create_form(self):
        """
        创建表单
        :return:
        """
        self.sid_var = IntVar()# 学号
        self.sname_var = IntVar()# 姓名
        self.sclass_var = IntVar()# 班级
        self.ssex_var = IntVar()# 性别
        self.sage_var = IntVar()# 年龄
        Label(self, text="学号", font=self.font_style).grid(row=0, column=0, sticky=W)
        # 创建复选框，表示选择条件的选择状态，并将变量进行关联
        Checkbutton(self, onvalue=1, offvalue=0, variable=self.sid_var).grid(row=0, column=1, sticky=W)
        self.sid = Entry(self, width=20, font=self.font_style)  # 条件输入文本框
        self.sid.grid(row=0, column=2, sticky=W)

        # ... 其他字段部分的创建类似，以下省略
        Label(self, text="姓名", font=self.font_style).grid(row=0, column=3, sticky=W)
        Checkbutton(self, onvalue=1, offvalue=0, variable=self.sname_var).grid(row=0, column=4, sticky=W)
        self.sname = Entry(self, width=20, font=self.font_style)    # 选择条件文本框
        self.sname.grid(row=0, column=5, sticky=W)

        Label(self, text="班级", font=self.font_style).grid(row=1, column=0, sticky=W)
        Checkbutton(self, onvalue=1, offvalue=0, variable=self.sclass_var).grid(row=1, column=1, sticky=W)
        self.sclass = Entry(self, width=20, font=self.font_style)
        self.sclass.grid(row=1, column=2, sticky=W)
        Label(self, text="性别", font=self.font_style).grid(row=1, column=3, sticky=W)
        Checkbutton(self, onvalue=1, offvalue=0, variable=self.ssex_var).grid(row=1, column=4, sticky=W)
        self.ssex = Entry(self, width=20, font=self.font_style)
        self.ssex.grid(row=1, column=5, sticky=W, pady=10)
        Label(self, text="年龄自", font=self.font_style).grid(row=2, column=0, sticky=W)

        Checkbutton(self, onvalue=1, offvalue=0, variable=self.sage_var).grid(row=2, column=1, sticky=W)
        self.start_age = Entry(self, width=20, font=self.font_style)
        self.start_age.grid(row=2, column=2, sticky=W)
        Label(self, text="到", font=self.font_style).grid(row=2, column=3, sticky=W)
        Label(self, text="", font=self.font_style).grid(row=2, column=4, sticky=W)
        self.end_age = Entry(self, width=20, font=self.font_style)
        self.end_age.grid(row=2, column=5, sticky=W, pady=10)

        Button(self, text="\n\n构造SQL\n\n",  command=self.make_sql, width=8,
               ).grid(column=8, row=0, rowspan=3)

        self.sql_text = Text(self, height=3, font=self.font_style, width=75)
        self.sql_text.grid(row=4, column=0, rowspan=2, columnspan=7, sticky=W)
        Button(self, text="\n执行SQL\n",  command=self.execute_sql, width=8,
               ).grid(column=8, row=4, rowspan=2, padx=10)
        self.sql_text.insert(1.0, self.default_query_sql)

    def execute_sql(self):
        sql = get_text_content(self.sql_text).lower().strip()
        if sql.startswith("select"):
            data_frame = pd.read_sql(sql, con=self.conn)
            self.create_treeview(data_frame)
        ToastNotification(message="语句执行成功",
                          title="提示",
                          duration=1500,
                          position=(int(self.winfo_screenwidth() / 2) - 150, 80, "ne"),
                          bootstyle="success",
                          icon="").show_toast()
#""
    def create_treeview(self, data_frame):
        frame = Frame(self, height=600)
        frame.grid(row=10, column=0, columnspan=10, rowspan=5, sticky=NSEW)
        frame.grid_columnconfigure(0, weight=1)
        frame.grid_rowconfigure(0, weight=1)
        columns = data_frame.keys().tolist()
        tree = ttk.Treeview(frame, columns=columns, show="headings", style="mystyle.Treeview", height=50,
                            selectmode=BROWSE)
        style = ttk.Style()
        style.configure("Treeview.Heading", font=self.font_style)
        style.configure("Treeview", rowheight=30, font=self.font_style, borderwidth=1)
        # 根据dataFrame结构生成表
        for i in columns:
            tree.heading(column=i, text=i)
        for i in columns:
            tree.column(i, anchor=CENTER, minwidth=100, width=100)
        for row in data_frame.itertuples():
            tree.insert(parent="", index=END, values=[row[i] for i in range(1, len(row))])
        tree.grid(row=0, column=0, sticky=NSEW, pady=10)
        y_scrollbar = ttk.Scrollbar(frame, orient='vertical', command=tree.yview)
        tree.configure(yscrollcommand=y_scrollbar.set)
        y_scrollbar.grid(row=0, column=1, sticky='ns')
        frame.grid_propagate(False)

    def make_sql(self):
        """
        获取用户输入，进行条件判断，进行SQLString的构造
        :return:
        """
        # 根据表单条件生成sql语句
        SQLString = "select * from student where 1=1"
        if self.sid.get() != "":
            SQLString += f" and (sid like '{self.sid.get()}')"
        if self.sname.get() != "":
            SQLString += f" and (sname like '{self.sname.get()}')"
        if self.sclass.get() != "":
            SQLString += f" and (sclass like '{self.sclass.get()}')"
        if self.ssex.get() != "":
            SQLString += f" and (ssex like '{self.ssex.get()}')"
        if self.start_age.get() != "":
            SQLString += f" and (sage > '{self.start_age.get()}')"
        if self.end_age.get() != "":
            SQLString += f" and (sage < '{self.end_age.get()}')"
        if SQLString == "select * from student where 1=1":
            SQLString = "select * from student"
        SQLString = SQLString.replace("1=1 and", "")
        if (self.sid_var and self.ssex_var and self.sage_var and self.sclass_var and self.sname_var == 0):
            pass
        else:
            data = []
            data.append("sid")if self.sid_var.get() == 1 else ""
            data.append("sname")if self.sname_var.get() == 1 else ""
            data.append("ssex")if self.ssex_var.get() == 1 else ""
            data.append("sage")if self.sage_var.get() == 1 else ""
            data.append("sclass")if self.sclass_var.get() == 1 else ""
            SQLString = SQLString.replace("select *", f"select {', '.join(data)} ")
        self.sql_text.delete(0.0, END)
        self.sql_text.insert(1.0, SQLString)


class StuSys_X4(BaseWindow):
    def __init__(self, master, attr):
        super().__init__(master, attr)
        self.create_left_plate()
        self.create_right_plate()

    def create_left_plate(self):
        self.left_frame = Frame(self.master, height=self.attr["height"])
        self.left_frame.pack(side=LEFT, anchor=NW, pady=10, padx=10)
        load_element1 = LoadElement(self.left_frame, "student")
        load_element1.pack(side=TOP, pady=10)
        load_element2 = LoadElement(self.left_frame, "course")
        load_element2.pack(side=TOP, pady=10)
        load_element2 = LoadElement(self.left_frame, "sc")
        load_element2.pack(side=TOP, pady=10)

    def create_right_plate(self):
        self.right_frame = Frame(self.master, height=self.attr["height"])
        self.right_frame.pack(side=LEFT, anchor=NW, pady=10, padx=10, fill=BOTH)
        form_element = FormElement(self.right_frame)
        form_element.pack(side=TOP, pady=10, anchor=NE, fill=BOTH)


if __name__ == '__main__':
    """
    minty, lumen, sandstone, yeti, pulse, united, morph, journal, darkly, superhero, solar
    cyborg, vapor, simplex, cerculean, 
    """
    style = "morph"
    root = Window(themename=style)
    screenwidth = root.winfo_screenwidth()
    screenheight = root.winfo_screenheight()
    root.columnconfigure(0, weight=1)
    root.rowconfigure(1, weight=1)
    root_attr = {
        "width": screenwidth * 0.83,
        "height": screenheight * 0.85,
    }
    alignstr = '%dx%d+%d+%d' % (root_attr['width'], root_attr['height'], (screenwidth - root_attr['width']) / 2,
                                (screenheight - root_attr['height']) / 2)
    root.geometry(alignstr)
    root.resizable(width=False, height=False)
    app = StuSys_X4(root, root_attr)

    ttk.Style().configure("TButton", font="-size 18")
    root.mainloop()