【发布时间】:2020-03-12 15:13:59
【问题描述】:
我正在编写一个库存数据库程序。我是新手,所以我确定我有问题。
def select_item():
#Create a Database or Connect to one
conn = sqlite3.connect('inventory.db')
#Create Cursor
c = conn.cursor()
a = id_select.get()
c.execute("SELECT * FROM inventory WHERE oid = " + a)
records = c.fetchall()
for record in records:
Item_editor.insert(0, record[0])
Quantity_editor.insert(0, record[1])
Asset_tag_editor.insert(0, record[2])
Notes_editor.insert(0, record[3])
#Entry Fields
id_select = Entry(editor, width=30)
id_select.grid(row=0, column=1, pady=(20, 0))
Item_editor = Entry(editor, width=30)
Item_editor.grid(row=2, column=1)
Quantity_editor = Entry(editor, width=30)
Quantity_editor.grid(row=3, column=1)
Asset_tag_editor = Entry(editor, width=30)
Asset_tag_editor.grid(row=4, column=1)
Notes_editor = Entry(editor, width=30)
Notes_editor.grid(row=5, column=1)
#Button Time!
id_select = Button(editor, text="Select Item", command=select_item)
id_select.grid(row=1, column=0, columnspan=2, pady=10, padx=10, ipadx=100)
我最初没有函数,但意识到按钮中的命令需要一个函数。错误指向我的变量 a = id_select.get(),但我很确定我的输入字段已正确添加。
【问题讨论】:
-
emmm....
id_selectfinally 是一个button小部件。您不应该使用相同的两个变量名称。 -
我发现,当我检查我的代码是否有错误时,我完全错过了它。眼睛累了……
标签: sqlite tkinter python-3.7 attributeerror