需要幫助將用戶輸入寫入 python 中 CSV 文件的新行

Question

這是我的代碼：

import tkinter as tk
from tkinter import messagebox
from tkinter import ttk
import tkinter.ttk as ttk
import csv
import pandas as pd
pd.options.display.max_columns = 20
import sqlite3
connection = sqlite3.connect('salesmanage.db')


frame_styles = {"relief": "groove",
                "bd": 3, "bg": "#BEB2A7",
                "fg": "#073bb3", "font": ("Arial", 9, "bold")}


class LoginPage(tk.Tk):

    def __init__(self, *args, **kwargs):

        tk.Tk.__init__(self, *args, **kwargs)

        main_frame = tk.Frame(self, bg="#708090", height=750, width=1000)  # this is the background
        main_frame.pack(fill="both", expand="true")

        self.geometry("626x431")  # Sets window size to 626w x 431h pixels
        self.resizable(0, 0)  # This prevents any resizing of the screen
        title_styles = {"font": ("Trebuchet MS Bold", 16), "background": "blue"}

        text_styles = {"font": ("Verdana", 14),
                       "background": "blue",
                       "foreground": "#E1FFFF"}

        frame_login = tk.Frame(main_frame, bg="blue", relief="groove", bd=2)  # this is the frame that holds all the login details and buttons
        frame_login.place(rely=0.30, relx=0.17, height=136, width=500)

        label_title = tk.Label(frame_login, title_styles, text="Login Page")
        label_title.grid(row=0, column=1, columnspan=1)

        label_user = tk.Label(frame_login, text_styles, text="Username:")
        label_user.grid(row=1, column=0)

        label_pw = tk.Label(frame_login, text_styles, text="Password:")
        label_pw.grid(row=2, column=0)

        entry_user = ttk.Entry(frame_login, width=45, cursor="xterm")
        entry_user.grid(row=1, column=1)

        entry_pw = ttk.Entry(frame_login, width=45, cursor="xterm", show="*")
        entry_pw.grid(row=2, column=1)

        button = ttk.Button(frame_login, text="Login", command=lambda: getlogin())
        button.place(rely=0.70, relx=0.50)

        signup_btn = ttk.Button(frame_login, text="Register", command=lambda: get_signup())
        signup_btn.place(rely=0.70, relx=0.75)

        def get_signup():
            SignupPage()

        def getlogin():
            username = entry_user.get()
            password = entry_pw.get()
            # if your want to run the script as it is set validation = True
            validation = validate(username, password)
            if validation:
                tk.messagebox.showinfo("Login Successful",
                                       "Welcome {}".format(username))
                root.deiconify()
                top.destroy()
            else:
                tk.messagebox.showerror("Information", "The Username or Password you have entered are incorrect ")

        def validate(username, password):
            # Checks the text file for a username/password combination.
            try:
                with open("credentials.txt", "r") as credentials:
                    for line in credentials:
                        line = line.split(",")
                        if line[1] == username and line[3] == password:
                            return True
                    return False
            except FileNotFoundError:
                print("You need to Register first or amend Line 71 to     if True:")
                return False


class SignupPage(tk.Tk):

    def __init__(self, *args, **kwargs):

        tk.Tk.__init__(self, *args, **kwargs)

        main_frame = tk.Frame(self, bg="#3F6BAA", height=150, width=250)
        # pack_propagate prevents the window resizing to match the widgets
        main_frame.pack_propagate(0)
        main_frame.pack(fill="both", expand="true")

        self.geometry("250x150")
        self.resizable(0, 0)

        self.title("Registration")

        text_styles = {"font": ("Verdana", 10),
                       "background": "#3F6BAA",
                       "foreground": "#E1FFFF"}

        label_user = tk.Label(main_frame, text_styles, text="New Username:")
        label_user.grid(row=1, column=0)

        label_pw = tk.Label(main_frame, text_styles, text="New Password:")
        label_pw.grid(row=2, column=0)

        entry_user = ttk.Entry(main_frame, width=20, cursor="xterm")
        entry_user.grid(row=1, column=1)

        entry_pw = ttk.Entry(main_frame, width=20, cursor="xterm", show="*")
        entry_pw.grid(row=2, column=1)

        button = ttk.Button(main_frame, text="Create Account", command=lambda: signup())
        button.grid(row=4, column=1)

        def signup():
            # Creates a text file with the Username and password
            user = entry_user.get()
            pw = entry_pw.get()
            validation = validate_user(user)
            if not validation:
                tk.messagebox.showerror("Information", "That Username already exists")
            else:
                if len(pw) > 3:
                    credentials = open("credentials.txt", "a")
                    credentials.write(f"Username,{user},Password,{pw},\n")
                    credentials.close()
                    tk.messagebox.showinfo("Information", "Your account details have been stored.")
                    SignupPage.destroy(self)

                else:
                    tk.messagebox.showerror("Information", "Your password needs to be longer than 3 values.")

        def validate_user(username):
            # Checks the text file for a username/password combination.
            try:
                with open("credentials.txt", "r") as credentials:
                    for line in credentials:
                        line = line.split(",")
                        if line[1] == username:
                            return False
                return True
            except FileNotFoundError:
                return True

class MenuBar(tk.Menu):
    def __init__(self, parent):
        tk.Menu.__init__(self, parent)

        menu_file = tk.Menu(self, tearoff=0)
        self.add_cascade(label="Menu1", menu=menu_file)
        menu_file.add_command(label="All Widgets", command=lambda: parent.show_frame(Some_Widgets))
        menu_file.add_separator()
        menu_file.add_command(label="Exit Application", command=lambda: parent.Quit_application())



        menu_help = tk.Menu(self, tearoff=0)
        self.add_cascade(label="Menu6", menu=menu_help)
        menu_help.add_command(label="Open New Window", command=lambda: parent.OpenNewWindow())


class MyApp(tk.Tk):

    def __init__(self, *args, **kwargs):

        tk.Tk.__init__(self, *args, **kwargs)
        main_frame = tk.Frame(self, bg="#84CEEB", height=1200, width=1600)
        main_frame.pack_propagate(0)
        main_frame.pack(fill="both", expand="true")
        main_frame.grid_rowconfigure(0, weight=1)
        main_frame.grid_columnconfigure(0, weight=1)
        # self.resizable(0, 0) prevents the app from being resized
        # self.geometry("1024x600") fixes the applications size
        self.frames = {}
        pages = (Some_Widgets, PageOne, PageTwo, PageThree, PageFour)
        for F in pages:
            frame = F(main_frame, self)
            self.frames[F] = frame
            frame.grid(row=0, column=0, sticky="nsew")
        self.show_frame(Some_Widgets)
        menubar = MenuBar(self)
        tk.Tk.config(self, menu=menubar)
        

    def show_frame(self, name):
        frame = self.frames[name]
        frame.tkraise()

    def OpenNewWindow(self):
        OpenNewWindow()

    def Quit_application(self):
        self.destroy()


class GUI(tk.Frame):
    def __init__(self, parent):
        tk.Frame.__init__(self, parent)
        self.main_frame = tk.Frame(self, bg="#BEB2A7", height=1000, width=2500)
        # self.main_frame.pack_propagate(0)
        self.main_frame.pack(fill="both", expand="true")
        self.main_frame.grid_rowconfigure(0, weight=1)
        self.main_frame.grid_columnconfigure(0, weight=1)




class Some_Widgets(GUI):  # inherits from the GUI class
    def __init__(self, parent, controller):
        GUI.__init__(self, parent)

        frame1 = tk.LabelFrame(self, frame_styles, text="Sales Data Table")
        frame1.place(rely=0.05, relx=0.02, height=500, width=2300)

        frame2 = tk.LabelFrame(self, frame_styles, text="Add Item To Inventory")
        frame2.place(rely=0.55, relx=0.02, height=250, width=2300)


        # This is a treeview.
        tv1 = ttk.Treeview(frame1, columns=("Date", "Device", "Cost", "IMEI/Serial", "Status", "Sale Location", "Listing Location", "Final Price", "Fees + Shipping + Duration Fee", "Profit", "Notes", "Shipping"))
        column_list_account = ["Date", "Device", "Cost", "IMEI/Serial", "Status", "Sale Location", "Listing Location", "Final Price", "Fees + Shipping + Duration Fee", "Profit", "Notes", "Shipping"]
        tv1["show"] = "headings"  # removes empty column
        tv1['columns'] = column_list_account
        for column in column_list_account:
            tv1.heading(column, text=column)
            tv1.column(column, width=100)
        tv1.place(relheight=1, relwidth=0.995)




        treescroll = tk.Scrollbar(frame1)
        treescroll.configure(command=tv1.yview)
        tv1.configure(yscrollcommand=treescroll.set)
        treescroll.pack(side="right", fill="y")

        def Load_data():
            with open('salesinfobuysafetech.csv') as f:
                reader = csv.reader(f)
                for row in reader:
                    tv1.insert("", 'end', values=row)
                       

        def Refresh_data():
            # Deletes the data in the current treeview and reinserts it.
            tv1.delete(*tv1.get_children())  # *=splat operator
            Load_data()

        Load_data()

        additem_btn1 = ttk.Button(frame2, text="Add Item", command=lambda: get_item())
        additem_btn1.place(rely=.5, relx=0.5)

        def get_item():
            get_itempage()

class get_itempage(tk.Tk):  # inherits from the GUI class
     def __init__(self, *args, **kwargs):

        tk.Tk.__init__(self, *args, **kwargs)

        new_frame = tk.Frame(self, bg="#3F6BAA", height=300, width=750)
        # pack_propagate prevents the window resizing to match the widgets
        new_frame.pack_propagate(0)
        new_frame.pack(fill="both", expand="true")

        self.geometry("=300x500")
        self.resizable(0, 0)

        self.title("Log New Item Page")

        text_styles = {"font": ("Verdana", 10),
                       "background": "#3F6BAA",
                       "foreground": "#E1FFFF"}
        label_user1 = tk.Label(new_frame, text_styles, text="Enter new item: Format=***,***,***")
        label_user1.grid(row=1, column=0)

        entry_user1 = ttk.Entry(new_frame, width=20, cursor="xterm")
        entry_user1.grid(row=2, column=0)

        button1 = ttk.Button(new_frame, text="Log Item", command=lambda: newitem())
        button1.grid(row=3, column=0)

        def newitem():
            # Creates a text file with the Username and password
            item = (entry_user1.get())
            with open('salesinfobuysafetech.csv', "a") as itemlist:
                w = csv.writer(itemlist, quoting=csv.QUOTE_ALL, delimiter=',')
                w.writerow(item)
                itemlist.close()
                tk.messagebox.showinfo("Your item has been logged")
                get_itempage.destroy(self)
                
class PageOne(GUI):
    def __init__(self, parent, controller):
        GUI.__init__(self, parent)

        label1 = tk.Label(self.main_frame, font=("Verdana", 20), text="Page One")
        label1.pack(side="top")


class PageThree(GUI):
    def __init__(self, parent, controller):
        GUI.__init__(self, parent)

        label1 = tk.Label(self.main_frame, font=("Verdana", 20), text="Page Three")
        label1.pack(side="top")


class PageFour(GUI):
    def __init__(self, parent, controller):
        GUI.__init__(self, parent)

        label1 = tk.Label(self.main_frame, font=("Verdana", 20), text="Page Four")
        label1.pack(side="top")


class PageTwo(GUI):
    def __init__(self, parent, controller):
        GUI.__init__(self, parent)

        label1 = tk.Label(self.main_frame, font=("Verdana", 20), text="Page Two")
        label1.pack(side="top")


class OpenNewWindow(tk.Tk):

    def __init__(self, *args, **kwargs):

        tk.Tk.__init__(self, *args, **kwargs)

        main_frame = tk.Frame(self)
        main_frame.pack_propagate(0)
        main_frame.pack(fill="both", expand="true")
        main_frame.grid_rowconfigure(0, weight=1)
        main_frame.grid_columnconfigure(0, weight=1)
        self.title("Here is the Title of the Window")
        self.geometry("500x500")
        self.resizable(0, 0)

        frame1 = ttk.LabelFrame(main_frame, text="This is a ttk LabelFrame")
        frame1.pack(expand=True, fill="both")

        label1 = tk.Label(frame1, font=("Verdana", 20), text="OpenNewWindow Page")
        label1.pack(side="top")

top = LoginPage()
top.title("Login Page")
root = MyApp()
root.withdraw()
root.title("Sales Management System BST")

if __name__ == '__main__':
    root.mainloop()

整個代碼和應用程序運行良好。 但是，它沒有將輸入正確寫入 csv 文件的行中。

例如，如果用戶輸入“測試”作為他們的輸入。 它將作為 t,e,s,t 輸入到文件中。 如果用戶輸入 test,test，它會寫成 t,e,s,t,,t,e,s,t,。 基本上我需要它接受, , , , , , , , , , , ,*** 的格式。 輸入寫入的數據，以便可以將其讀取到 GUI 上的 12 列樹形表中。 它可能非常簡單，我錯過了任何幫助都會很棒。

這是給我帶來麻煩的代碼。

class get_itempage(tk.Tk):  # inherits from the GUI class
     def __init__(self, *args, **kwargs):

        tk.Tk.__init__(self, *args, **kwargs)

        new_frame = tk.Frame(self, bg="#3F6BAA", height=300, width=750)
        # pack_propagate prevents the window resizing to match the widgets
        new_frame.pack_propagate(0)
        new_frame.pack(fill="both", expand="true")

        self.geometry("=300x500")
        self.resizable(0, 0)

        self.title("Log New Item Page")

        text_styles = {"font": ("Verdana", 10),
                       "background": "#3F6BAA",
                       "foreground": "#E1FFFF"}
        label_user1 = tk.Label(new_frame, text_styles, text="Enter new item: Format=***,***,***")
        label_user1.grid(row=1, column=0)

        entry_user1 = ttk.Entry(new_frame, width=20, cursor="xterm")
        entry_user1.grid(row=2, column=0)

        button1 = ttk.Button(new_frame, text="Log Item", command=lambda: newitem())
        button1.grid(row=3, column=0)

        def newitem():
            # Creates a text file with the Username and password
            item = (entry_user1.get())
            with open('salesinfobuysafetech.csv', "a") as itemlist:
                w = csv.writer(itemlist, quoting=csv.QUOTE_ALL, delimiter=',')
                w.writerow(item)
                itemlist.close()
                tk.messagebox.showinfo("Your item has been logged")
                get_itempage.destroy(self)

Answer 1

您需要將輸入拆分為字段列表。

        def newitem():
            # Creates a text file with the Username and password
            row = entry_user1.get().split(',')
            with open('salesinfobuysafetech.csv', "a") as itemlist:
                w = csv.writer(itemlist, quoting=csv.QUOTE_ALL, delimiter=',')
                w.writerow(row)
            tk.messagebox.showinfo("Your item has been logged")
            get_itempage.destroy(self)

無需調用itemlist.close() ，當您離開with塊時會自動完成（這是使用with的全部意義）。