用python进行插入数据库,sqlite3显示找不到表
import sqlite3class Book:
def __init__(self,name,author,quantity):
self.__name=name
self.__author=author
self.__quantity=int(quantity)
def setName(self,name):
print("Please enter the name")
self.__name=name
def setAuthor(self,author):
print("Please enter the author")
self.__author=author
def setQuantity(self,quantity):
print("Please enter the quantity")
self.__quantity=quantity
def show(self):
print(self.__name,self.__author,self.__quantity)
class Computerbook(Book):
__computerField='python programming'
def __init__(self,name,author,quantity,computerField):
self.__name=name
self.__author=author
self.__quantity=int(quantity)
self.__computerField=computerField
def setName(self, name):
super(Computerbook,self).setName(name)
def setAuthor(self, author):
super(Computerbook,self).setAuthor(author)
def setQuantity(self, quantity):
super(Computerbook,self).setQuantity(quantity)
def show(self):
print(self.__name,self.__author,self.__quantity,self.__computerField)
def setComputerField(self,computerField):
self.__computerField=computerField
def insertDB(self):
print('1')
conn = sqlite3.connect(db_file)
cur = conn.cursor()
sql = 'insert into ComputerbookTable (name,author,quantity,computerField) values(?,?,?,?)'
data = (self.__name,self.__author,self.__quantity,self.__computerField)
cur.execute(sql,data)
conn.commit()
cur.close()
conn.close()
db_file='.\ComputerbookDB.db'
while True:
list1 = input().split(' ')
if len(list1)==1:
print('结束插入数据库')
break
elif len(list1)==3:
x=Book(list1[0],list1[1],list1[2])
x.show()
elif len(list1)==4:
x=Computerbook(list1[0],list1[1],list1[2],list1[3])
x.insertDB()
print('2')
执行他会报错,py文件与db文件在同一目录下,且db文件内已有ComputerbookTable这个表
Traceback (most recent call last): File "d:\搬砖File\Python\期末作业\Program2\2.py", line 60, in <module>
x.insertDB()
File "d:\搬砖File\Python\期末作业\Program2\2.py", line 44, in insertDB
cur.execute(sql,data)
sqlite3.OperationalError: no such table: ComputerbookTable
回答:
报错信息都说没有这个表 你却说有 可能是你运行时的当前路径问题,你先cd到db文件路径下 再运行代码
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