class DeleteInventorybusiness(BaseBusiness):
def DeleteInventory(self,Delete_goodsID): DeleteInventory_sql=("DELETE FROM inventoryinformation WHERE goodsID= %s") asd = self.conn.execute(DeleteInventory_sql,Delete_goodsID) return asd
这就是一个删除的例子，红色的字体才是SQL 语句，这里 用 %s 代替了传入的参数 Delete_goodsID 然后用其父类BaseBusiness 里面的 execute 方法，来执行SQL语句就好了，下面的例子也是一样的
查询就用
select managerID,managerPassword from manager where managerID= %s and managerPassword= %s
接下来是修改
manager_sql=("update manager set managerPassword= %s where managerID= %s ")
添加：
sql=("INSERT INTO customer(customerID,customerName,customerAddress,customerBankAccount,customerPayee,"
"customerAccountNumber,customerContacts,companyTelephone,contactPhone,customerFax) VALUES(%s,%s,%s,%s,%s,%s,%s,%s,%s,%s)")
这样，基本的增删改查都有了，而且SQL语句中因为是传入的参数，可以避免一些SQL注入问题，还是比较好的