2022年11月29日 星期二

Python tkinter+sqlite 學生資料管理系统

 Python tkinter+sqlite 學生資料管理系統




from tkinter import *

from tkinter.messagebox import *

import sqlite3

from tkinter import ttk


dbstr = "mydb.db"


root = Tk()

root.geometry('700x600')

root.title('學生資料管理系統')


Label(root, text="學號:").place(relx=0, rely=0.05, relwidth=0.1)

Label(root, text="姓名:").place(relx=0.5, rely=0.05, relwidth=0.1)

Label(root, text="電話:").place(relx=0, rely=0.1, relwidth=0.1)

Label(root, text="地址:").place(relx=0.5, rely=0.1, relwidth=0.1)


sid = StringVar()

name = StringVar()

phone = StringVar()

address = StringVar()

Entry(root, textvariable=sid).place(relx=0.1, rely=0.05, relwidth=0.37, height=25)

Entry(root, textvariable=name).place(relx=0.6, rely=0.05, relwidth=0.37, height=25)


Entry(root, textvariable=phone).place(relx=0.1, rely=0.1, relwidth=0.37, height=25)

Entry(root, textvariable=address).place(relx=0.6, rely=0.1, relwidth=0.37, height=25)


Label(root, text='學生資料管理', bg='white', fg='red', font=('宋体', 15)).pack(side=TOP, fill='x')


def createTable():

    # Create Table

    conn = sqlite3.connect('mydb.db')

    cursor = conn.cursor()

    '''

    ist1.append(sid.get())

    list1.append(name.get())

    list1.append(phone.get())

    list1.append(address.get())

    '''

    table_create_query = '''CREATE TABLE IF NOT EXISTS student 

                    (sid INTEGER PRIMARY KEY, name TEXT, phone TEXT, addressTEXT)

            '''

    conn.execute(table_create_query)

    conn.commit()

    conn.close()

    

def showAllInfo():

    x = dataTreeview.get_children()

    for item in x:

        dataTreeview.delete(item)

    con = sqlite3.connect(dbstr)

    cur = con.cursor()

    cur.execute("select * from student")

    lst = cur.fetchall()

    for item in lst:

        dataTreeview.insert("", 1, text="line1", values=item)

    cur.close()

    con.close()



def appendInfo():

    if sid.get() == "":

        showerror(title='提示', message='輸入不能為空白')

    elif name.get() == "":

        showerror(title='提示', message='輸入不能為空白')

    elif phone.get() == "":

        showerror(title='提示', message='輸入不能為空白')

    elif address.get() == "":

        showerror(title='提示', message='輸入不能為空白')

    else:

        x = dataTreeview.get_children()

        for item in x:

            dataTreeview.delete(item)

        list1 = []

        list1.append(sid.get())

        list1.append(name.get())

        list1.append(phone.get())

        list1.append(address.get())

        con = sqlite3.connect(dbstr)

        cur = con.cursor()

        cur.execute("insert into student values(?,?,?,?)", tuple(list1))

        con.commit()

        cur.execute("select * from student")

        lst = cur.fetchall()

        for item in lst:

            dataTreeview.insert("", 1, text="line1", values=item)

        cur.close()

        con.close()



def deleteInfo():

    con = sqlite3.connect(dbstr)

    cur = con.cursor()

    cur.execute("select * from student")

    studentList = cur.fetchall()

    cur.close()

    con.close()

    print(studentList)


    num = sid.get()

    flag = 0

    #if num.isnumeric() == False:

    if num.isnumeric() == False:

        showerror(title='提示', message='删除失敗')

    for i in range(len(studentList)):

        for item in studentList[i]:

            if int(num) == item:

                flag = 1

                con = sqlite3.connect(dbstr)

                cur = con.cursor()

                cur.execute("delete from student where sid = ?", (int(num),))

                con.commit()

                cur.close()

                con.close()

                break

    if flag == 1:

        showinfo(title='提示', message='删除成功!')

    else:

        showerror(title='提示', message='删除失敗')


    x = dataTreeview.get_children()

    for item in x:

        dataTreeview.delete(item)


    con = sqlite3.connect(dbstr)

    cur = con.cursor()

    cur.execute("select * from student")

    lst = cur.fetchall()

    for item in lst:

        dataTreeview.insert("", 1, text="line1", values=item)

    cur.close()

    con.close()



Button(root, text="顯示所有資料", command=showAllInfo).place(relx=0.2, rely=0.2, width=100)

Button(root, text="新增資料", command=appendInfo).place(relx=0.4, rely=0.2, width=100)

Button(root, text="删除資料", command=deleteInfo).place(relx=0.6, rely=0.2, width=100)

Button(root, text="建立資料庫", command=createTable).place(relx=0.8, rely=0.2, width=100)




dataTreeview = ttk.Treeview(root, show='headings', column=('sid', 'name', 'phone', 'address'))

dataTreeview.column('sid', width=150, anchor="center")

dataTreeview.column('name', width=150, anchor="center")

dataTreeview.column('phone', width=150, anchor="center")

dataTreeview.column('address', width=150, anchor="center")


dataTreeview.heading('sid', text='學號')

dataTreeview.heading('name', text='姓名')

dataTreeview.heading('phone', text='電話')

dataTreeview.heading('address', text='地址')


dataTreeview.place(rely=0.3, relwidth=0.97)


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