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我正嘗試在Facebook Messenger中編程我的機器人，以便在用戶選擇按鈕後用文本進行響應。我讀過，有可能通過處理回髮式按鈕的有效載荷，但我似乎無法得到它的工作如何響應Facebook Messenger中的選定按鈕
app.post('/webhook/', function (req, res) {
let messaging_events = req.body.entry[0].messaging
for (let i = 0; i < messaging_events.length; i++) {
let event = req.body.entry[0].messaging[i]
let sender = event.sender.id
if (event.message && event.message.text) {
let text = event.message.text
if (text === 'poorita') {
sendPooritaMessage(sender)
sendTextMessage(sender, "Here are some restaurants near you: ")
continue
} else if (text === 'budget') {
sendBudgetMessage(sender)
continue
} else if (text === 'bot') {
sendBotMessage(sender)
continue
} else if (text === 'hungry na me') {
sendHelloMessage(sender)
continue
} else if (text === 'location') {
sendLocationMessage(sender)
continue
}
sendTextMessage(sender, "Text received :), echo: " + text.substring(0, 200))
} else if (event.postback && event.postback.payload) {
let payload = event.postback.payload
if (payload === 'payload_1') {
sendTextMessage(send, "It worked!")
continue
}
}
}
res.sendStatus(200)})
function sendBotMessage(sender) {
let messageData = {
"attachment": {
"type": "template",
"payload": {
"template_type": "button",
"text": "Regular or special?",
"buttons": [
{
"type": "postback",
"payload": "payload_1",
"title": "Regular"
},
{
"type": "web_url",
"title": "Special",
"url": "https://www.messenger.com"
}]
}
}
}
request({
url: 'https://graph.facebook.com/v2.6/me/messages',
qs: {access_token:token},
method: 'POST',
json: {
recipient: {id:sender},
message: messageData,
}
}, function(error, response, body){
if (error) {
console.log('Error sending message: ', error)
} else if (response.body.error) {
console.log('Error: ', response.body.error)
}
})}
我想創建這樣 enter image description here
