[英]sqlite3.OperationalError: near “WHERE”: syntax error (Python 2, sqlite3)
[英]Inserting data from Tkinter to Sqlite3 - sqlite3.OperationalError: near “)”: syntax error
許多人都發布了有關此錯誤的信息,但我無法弄清楚。
當用戶單擊“保存”時,我希望將“ Campaign”項作為數據庫的名稱,然后希望將“ Workers”項添加到名為(workers)的表中。
我認為問題是當我嘗試使用for loop
和c.execute("insert into workersNames (workers)", element)
將信息添加到表中時c.execute("insert into workersNames (workers)", element)
盡管這可能只是問題之一。
import tkinter as tk
from tkinter import *
from tkinter.ttk import *
import sqlite3
class Research(Frame):
def __init__(self, parent):
Frame.__init__(self, parent)
self.parent = parent
self.initUI()
def initUI(self):
self.parent.title("")
self.style = Style()
self.style.theme_use("default")
self.pack(fill=BOTH, expand=True)
# CAMPAIGN
campFrame = Frame(self)
campFrame.pack(fill=X)
campLbl = Label(campFrame, text="Campaign: ", width=8)
campLbl.pack(side=LEFT, padx=5, pady=5)
campEntry = Entry(campFrame)
campEntry.pack(fill=X, padx=5, expand=True)
self.campStr = tk.StringVar()
# CITY
cityFrame = Frame(self)
cityFrame.pack(fill=X)
cityLbl = Label(cityFrame, text="City: ", width=8)
cityLbl.pack(side=LEFT, padx=5, pady=8)
cityEntry = Entry(cityFrame)
cityEntry.pack(fill=X, padx=5, expand=True)
self.cityStr = tk.StringVar()
# PROVINCE
provFrame = Frame(self)
provFrame.pack(fill=X)
provLbl = Label(provFrame, text="Province: ", width=8)
provLbl.pack(side=LEFT, padx=5, pady=8)
provEntry = Entry(provFrame)
provEntry.pack(fill=X, padx=5, expand=True)
self.provStr = tk.StringVar()
# WORKERS
workersFrame = Frame(self)
workersFrame.pack(fill=X)
workersLbl = Label(workersFrame, text="Workers: ", width=8)
workersLbl.pack(fill=X, padx=5, expand=True)
workersEntry1 = Entry(workersFrame)
workersEntry1.pack(fill=X, padx=5, expand=True)
self.workersStr1 = tk.StringVar()
workersEntry2 = Entry(workersFrame)
workersEntry2.pack(fill=X, padx=5, expand=True)
self.workersStr2 = tk.StringVar()
workersEntry3 = Entry(workersFrame)
workersEntry3.pack(fill=X, padx=5, expand=True)
self.workersStr3 = tk.StringVar()
# SAVE
saveFrame = Frame(self, relief=RAISED, borderwidth=1)
saveFrame.pack(fill=BOTH, expand=True)
saveButton = Button(self, text="Save", command = self.SaveDetails)
saveButton.pack(side=RIGHT, padx=5, pady=5)
def SaveDetails(self):
# Create Database
conn = sqlite3.connect(self.campStr.get() + ".db")
c = conn.cursor()
# Create Table - workersNames
c.execute('''create table if not exists workersNames(
workers text)''')
conn.commit()
# Add data to table
names = [self.workersStr1.get(), self.workersStr2.get(), self.workersStr3.get()]
for element in names:
c.execute("insert into workersNames (workers)", element)
conn.commit()
c.close()
conn.close()
def main():
root = Tk()
root.geometry("300x300+300+300")
app = Research(root)
root.mainloop()
if __name__ == '__main__':
main()
要將工作程序插入數據庫,請使用:
c.execute("insert into workersNames (workers) values (?)", (element,))
我意識到您有很多self.xx = tk.StringVar()
都沒有連接到任何tkinter小部件。 因此,當您調用sef.xx.get()
時,將得到一個空字符串。 我刪除了tk.StringVar()
以使代碼更短以進行測試,並在tk.StringVar()
條目上使用get()
方法獲取其內容。
因此:
names = [self.workersStr1.get(), self.workersStr2.get(), self.workersStr3.get()]
成為:
names = [self.workersEntry1.get(), self.workersEntry2.get(), self.workersEntry3.get()]
注意,我使用self
關鍵字將所有條目更改為類屬性。
這是完整的代碼,您可以瀏覽並查看更改:
#import tkinter as tk
#from tkinter import *
#from tkinter.ttk import *
#import sqlite3
import Tkinter as tk
from Tkinter import *
from ttk import *
import sqlite3
class Research(Frame):
def __init__(self, parent):
Frame.__init__(self, parent)
self.parent = parent
self.initUI()
def initUI(self):
self.parent.title("")
self.style = Style()
self.style.theme_use("default")
self.pack(fill=BOTH, expand=True)
# CAMPAIGN
campFrame = Frame(self)
campFrame.pack(fill=X)
campLbl = Label(campFrame, text="Campaign: ", width=8)
campLbl.pack(side=LEFT, padx=5, pady=5)
self.campEntry = Entry(campFrame)
self.campEntry.pack(fill=X, padx=5, expand=True)
# CITY
cityFrame = Frame(self)
cityFrame.pack(fill=X)
cityLbl = Label(cityFrame, text="City: ", width=8)
cityLbl.pack(side=LEFT, padx=5, pady=8)
cityEntry = Entry(cityFrame)
cityEntry.pack(fill=X, padx=5, expand=True)
# PROVINCE
provFrame = Frame(self)
provFrame.pack(fill=X)
provLbl = Label(provFrame, text="Province: ", width=8)
provLbl.pack(side=LEFT, padx=5, pady=8)
provEntry = Entry(provFrame)
provEntry.pack(fill=X, padx=5, expand=True)
# WORKERS
workersFrame = Frame(self)
workersFrame.pack(fill=X)
workersLbl = Label(workersFrame, text="Workers: ", width=8)
workersLbl.pack(fill=X, padx=5, expand=True)
self.workersEntry1 = Entry(workersFrame)
self.workersEntry1.pack(fill=X, padx=5, expand=True)
self.workersEntry2 = Entry(workersFrame)
self.workersEntry2.pack(fill=X, padx=5, expand=True)
self.workersEntry3 = Entry(workersFrame)
self.workersEntry3.pack(fill=X, padx=5, expand=True)
# SAVE
saveFrame = Frame(self, relief=RAISED, borderwidth=1)
saveFrame.pack(fill=BOTH, expand=True)
saveButton = Button(self, text="Save", command = self.SaveDetails)
saveButton.pack(side=RIGHT, padx=5, pady=5)
def SaveDetails(self):
# Create Database
conn = sqlite3.connect(self.campEntry.get() + ".db")
c = conn.cursor()
# Create Table - workersNames
c.execute('''create table if not exists workersNames(
workers text)''')
conn.commit()
# Add data to table
names = [self.workersEntry1.get(), self.workersEntry2.get(), self.workersEntry3.get()]
for element in names:
c.execute("insert into workersNames (workers) values (?)", (element,))
conn.commit()
c.close()
conn.close()
def main():
root = Tk()
root.geometry("300x300+300+300")
app = Research(root)
root.mainloop()
if __name__ == '__main__':
main()
這將產生以下結果:
希望對您有所幫助。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.