Python 将数据从Tkinter插入Sqlite3-Sqlite3.OperationalError:near“)”:语法错误
很多人都发表了关于这个错误的帖子,但我无法理解 这是我的Tkinter GUI的图片: 当用户单击“保存”时,我希望“活动”条目是数据库的名称,然后我希望将“工作者”条目添加到名为工作者的表中 我认为问题在于,当我尝试使用for循环和c.executeinsert将信息添加到workersNames workers元素的表中时,这可能只是问题之一Python 将数据从Tkinter插入Sqlite3-Sqlite3.OperationalError:near“)”:语法错误,python,tkinter,sqlite,Python,Tkinter,Sqlite,很多人都发表了关于这个错误的帖子,但我无法理解 这是我的Tkinter GUI的图片: 当用户单击“保存”时,我希望“活动”条目是数据库的名称,然后我希望将“工作者”条目添加到名为工作者的表中 我认为问题在于,当我尝试使用for循环和c.executeinsert将信息添加到workersNames workers元素的表中时,这可能只是问题之一 import tkinter as tk from tkinter import * from tkinter.ttk import * impor
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()
要将工作人员插入数据库,请使用:
c.execute("insert into workersNames (workers) values (?)", (element,))
我意识到您有很多self.xx=tk.StringVars没有连接到任何tkinter小部件。因此,当您调用sef.xx.get时,会得到一个空字符串。我删除了tk.StringVars以缩短代码的测试时间,并对tkinter条目使用get方法来获取它们的内容
因此:
names = [self.workersStr1.get(), self.workersStr2.get(), self.workersStr3.get()]
成为:
names = [self.workersEntry1.get(), self.workersEntry2.get(), self.workersEntry3.get()]
注意,我使用self关键字将所有条目更改为类属性
以下是完整代码,您可以浏览并查看更改:
#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()
这将产生以下结果:
我希望有帮助。您的insert语句没有说明要插入什么。请参阅。@user2357112我添加了值,因此看起来像是'c.executeinsert到workersNames values workers,元素',但现在错误是sqlite3.OperationalError:没有这样的列:workers,但我认为该列是在我创建表的行中创建的?我正在使用它作为代码的模型。