在Flask应用中使用mysql连接器和Flask-Mysql有什么区别？

import mysql.connector

# 创建数据库连接
cnx = mysql.connector.connect(user='username', password='password',
                              host='localhost', database='database_name')

# 创建游标对象
cursor = cnx.cursor()

# 执行SQL查询
query = "SELECT * FROM table_name"
cursor.execute(query)

# 获取查询结果
result = cursor.fetchall()

# 关闭游标和数据库连接
cursor.close()
cnx.close()

from flask import Flask
from flask_mysqldb import MySQL

app = Flask(__name__)
app.config['MYSQL_HOST'] = 'localhost'
app.config['MYSQL_USER'] = 'username'
app.config['MYSQL_PASSWORD'] = 'password'
app.config['MYSQL_DB'] = 'database_name'

mysql = MySQL(app)

@app.route('/')
def index():
    # 执行SQL查询
    cur = mysql.connection.cursor()
    cur.execute("SELECT * FROM table_name")
    result = cur.fetchall()
    cur.close()
    
    return str(result)

if __name__ == '__main__':
    app.run()