def convert_data(data, format):

if format == "json":

return json.loads(data)

elif format == "csv":

return csv.DictReader(data.splitlines())

else:

raise ValueError("Unsupported format")

]]>

class User:

def __init__(self, username, role):

self.username = username

self.role = role

def has_permission(self, action):

allowed_actions = {

"admin": ["read", "write"],

"student": ["read"]

}

return self.role in allowed_actions and action in allowed_actions[self.role]

]]>

import mysql.connector

db = mysql.connector.connect(

host="localhost",

user="root",

password="password",

database="university_data"

)

cursor = db.cursor()

cursor.execute("CREATE TABLE IF NOT EXISTS students (id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(255), age INT)")

]]>

from flask import Flask, request, jsonify

app = Flask(__name__)

@app.route('/add_student', methods=['POST'])

def add_student():

data = request.get_json()

# Validate data

cursor.execute("INSERT INTO students (name, age) VALUES (%s, %s)", (data['name'], data['age']))

db.commit()

return jsonify({"message": "Student added successfully"}), 201

]]>

高校排课系统源码