[英]View Function used to work now it does not
import sqlite3
def create_table():
connection = sqlite3.connect('lite.db')
cursor = connection.cursor()
cursor.execute('CREATE TABLE IF NOT EXISTS shop (item TEXT, quantity INTEGER, price REAL)') #you write the SQL code in between brackets
connection.commit()
connection.close()
create_table()
def insert(item,quantity,price):
connection = sqlite3.connect('lite.db')
cursor = connection.cursor()
cursor.execute("INSERT INTO shop VALUES (?,?,?)", (item,quantity,price)) # inserting data
connection.commit()
connection.close()
insert('Wine Glass', 10, 5)
insert('Coffe Cup', 5, 2)
insert('Plate', 20, 10)
def view():
connection = sqlite3.connect('lite.db')
cursor = connection.cursor()
cursor.execute('SELECT ALL FROM shop ')
rows = cursor.fetchall()
connection.close()
return rows
def delete_item(item):
connection = sqlite3.connect('lite.db')
cursor = connection.cursor()
cursor.execute("DELETE * FROM shop WHERE item = ?", (item,)) # inserting data
connection.commit()
connection.close()
print(view())
delete_item('Wine Glass')
print(view())
錯誤信息:
cursor.execute('SELECT ALL FROM shop ')
sqlite3.OperationalError: near "FROM": syntax error
它曾經有效,然后我添加了刪除 function,現在它給了我這個語法錯誤,我什至沒有對該 function 進行任何更改。該代碼基於 Udemy 教程,並且對視頻應用了相同的更改我收到此錯誤消息,但導師沒有。 正如您所猜到的,我對這些東西很陌生,我無法破譯錯誤消息,或者至少如果它的含義不那么明顯的話。 所以是的,提前謝謝
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