app.setContext() 在 dialogflow v2 api 中?

app.setContext() in dialogflow v2 api?

v2 API 中 v1 的 dialogflow app.setContext() 等效项是什么?考虑到迁移指南概述的设置(如下),您会调用什么来设置上下文?

// v2
const functions = require('firebase-functions');
const { dialogflow } = require('actions-on-google');

const app = dialogflow();

app.intent('Default Welcome Intent', conv => {
  conv.ask('How are you?');
});

exports.factsAboutGoogle = functions.https.onRequest(app);

像这样设置上下文:

    const parameters = { // Custom parameters to pass with context
      welcome: true,
    };

    conv.contexts.set('welcome-context', 5, parameters);

第二个参数是上下文生命周期。

在您的示例代码中:

const functions = require('firebase-functions');
const { dialogflow } = require('actions-on-google');

const app = dialogflow();

app.intent('Default Welcome Intent', conv => {
  conv.ask('How are you?');
  const parameters = { // Custom parameters to pass with context
      welcome: true,
    };
  conv.contexts.set('welcome-context', 5, parameters);
});

exports.factsAboutGoogle = functions.https.onRequest(app);

然后您可以通过以下方式访问上下文:

const contexts = conv.contexts;