（（TypeError：使用python环境将数据推入表中时，无法将'int'对象隐式转换为str）

Question

Age和phone_num是int值，其余均为字符串。当尝试使用下面的代码将其推入数据库时​​，出现以下错误

insert_query = "insert into employee.details (name,emp_id,age,contact,address) values('"+name+"','"+emp_id+"',"+age+","+phone_num+",'"+address+"')"
    cursor = connection.cursor
    result = cursor.execute(insert_query)
    print("Table updated successfully ")

Answer 1

我假设您正在使用SQLite3？如果是这样，这是查询的正确语法。

insert_query = """INSERT INTO employee.details (name, emp_id, age, contact, address) VALUES (?, ?, ?, ?, ?)""" 

cur = conn.cursor()
cur.execute(insert_query, (name, emp_id, age, phone_num, address))

one_row = cur.fetchone()  # This will only get one row of the data
all_data = cur.fetchall()  # This will get all rows of data in a list of tuples

conn.commit()
conn.close()  # only if this is last db change

使用tuple进行查询模板化将自动转义字符串并阻止SQL injection。它还会将您的整数转换为字符串，从而修复您的错误。