程設/main.py

from flask import Flask, request, abort
from linebot.v3.messaging import MessagingApi, ReplyMessageRequest, TextMessage
from linebot.v3 import ApiClient, Configuration
import json

app = Flask(__name__)

channel_access_token = "你的channel_access_token"

configuration = Configuration(access_token=channel_access_token)

@app.route("/callback", methods=["POST"])
def callback():
    body = request.get_data(as_text=True)
    signature = request.headers.get("X-Line-Signature")  # v3 可能不需要，但保留檢查比較好

    # 解析事件 JSON
    events = json.loads(body).get("events", [])

    with ApiClient(configuration) as api_client:
        messaging_api = MessagingApi(api_client)

        for event in events:
            if event["type"] == "message" and event["message"]["type"] == "text":
                reply_token = event["replyToken"]
                user_text = event["message"]["text"]

                reply_message = ReplyMessageRequest(
                    reply_token=reply_token,
                    messages=[TextMessage(text=f"你說了: {user_text}")]
                )
                messaging_api.reply_message(reply_message)

    return "OK", 200


if __name__ == "__main__":
    app.run(port=8000)