blob图片存mysql

CREATE TABLE images (
    id INT AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(255),
    image BLOB
);

import mysql.connector
from mysql.connector import Error

def store_image(image_path):
    try:
        connection = mysql.connector.connect(host='localhost',
                                             database='testdb',
                                             user='root',
                                             password='password')

        cursor = connection.cursor()

        with open(image_path, 'rb') as file:
            binary_data = file.read()

        sql_insert_blob_query = """ INSERT INTO images
                                      (name, image) VALUES (%s,%s)"""

        insert_blob_tuple = (image_path, binary_data)
        result = cursor.execute(sql_insert_blob_query, insert_blob_tuple)
        connection.commit()
        print("Image and file inserted successfully as id: %s" % result)

    except Error as e:
        print("Error while connecting to MySQL", e)

    finally:
        if connection.is_connected():
            cursor.close()
            connection.close()
            print("MySQL connection is closed")

store_image('path_to_your_image.jpg')

def retrieve_image(image_id):
    try:
        connection = mysql.connector.connect(host='localhost',
                                             database='testdb',
                                             user='root',
                                             password='password')

        cursor = connection.cursor()

        sql_select_blob_query = """SELECT name, image from images where id = %s"""
        cursor.execute(sql_select_blob_query, (image_id,))
        record = cursor.fetchall()

        for row in record:
            print("Image Name: ", row[0])
            image_name = row[0]
            with open(f'retrieved_{image_name}', 'wb') as file:
                file.write(row[1])

    except Error as e:
        print("Error while connecting to MySQL", e)

    finally:
        if connection.is_connected():
            cursor.close()
            connection.close()
            print("MySQL connection is closed")

retrieve_image(1)