mysql blob存图片

CREATE TABLE images (
    id INT AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(255),
    image BLOB
) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

import mysql.connector
from mysql.connector import Error

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

    cursor = connection.cursor()

    with open('image.jpg', 'rb') as file:
        image_data = file.read()

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

    insert_blob_tuple = ('image1.jpg', image_data)
    result = cursor.execute(sql_insert_blob_query, insert_blob_tuple)
    connection.commit()
    print("Image and file inserted successfully as a BLOB into MySQL database", 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")

import mysql.connector
from mysql.connector import Error

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, (1,))
    record = cursor.fetchall()

    for row in record:
        print("Image Name: ", row[0])
        with open(row[0], '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")