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对话流通过节点传递参数

dialogflow node.js

3

Marco Lampis · 技术社区 · 6 年前

如何通过nodejs请求传递参数?例如,我想传递我的代码和DialogFlow中的名称,它会自动以包含我传递的参数的响应作为“hi$name”。

矿山实际要求:

const request = {
  session: sessionPath,
  queryInput: {
    text: {
      text: query,
      languageCode: languageCode,
    },
  },
};

编辑4[index.js],这是答案后的新的正确代码

const projectId    = 'your-project-id';
const sessionId    = 'session-id';

const query        = 'your-query';
const languageCode = 'your-language';

const j = require("./structjson.js");   //download It from the answer 


const dialogflow    = require('dialogflow');
const sessionClient = new dialogflow.SessionsClient({keyFilename: './THIS-IS-RIGHT.json'});

// Define session path
const sessionPath = sessionClient.sessionPath(projectId, sessionId);


async function request() {
    const contextClient = new dialogflow.ContextsClient({ keyFilename: './your-path-to-file.json' });

    const contextData = {
        name: contextClient.contextPath(projectId, sessionId, 'your-context'),
        parameters: j.jsonToStructProto({ name: 'John' }),
        lifespanCount: 1
    };//An example for the name

    const context = await contextClient.createContext({
        parent: sessionPath,
        context: contextData
    });

    const request = {
        session: sessionPath,
        queryInput: {
            text: {
                text: query,
                languageCode
            }
        },
        queryParams: {
            contexts: context // You may want to add the other contexts here
        }
    };

    const result = await sessionClient.detectIntent(request);
    console.log(result);
}

request();

1 回复 | 直到 6 年前

1

3

Marcos Casagrande 6 年前

发送时可以传递参数 event 而不是 text .

您需要将javascript对象转换为proto结构。有一个包裹 pb-util 它将处理编码/解码

const { struct } = require('pb-util');  

const request = {
    session: sessionPath,
    queryInput: {
        event: {
            name: eventName,
            parameters: struct.encode({ name: 'John' }),
            languageCode
        }
    }
};

之后,您需要根据自己的意图创建一个具有以下语法的参数。 #eventName.name

另一种方法是创建一个上下文,使用 dialogflow.ContextsClient 和; client.createContext() 并将参数添加到上下文,然后用 queryInput 请求。

async function request() {
    const contextClient = new dialogflow.ContextsClient({ keyFilename: '..' });
    const sessionClient = new dialogflow.SessionsClient({ keyFilename: '..' });

    const contextData = {
        name: contextClient.contextPath('[PROJECT]', '[SESSION]', '[YOUR-CONTEXT]'),
        parameters: struct.encode({ name: 'John' }),
        lifespanCount: 1
    };

    const context = await contextClient.createContext({ 
        parent: sessionPath, 
        context: contextData 
    });

    const request = {
        session: sessionPath,
        queryInput: {
            text: {
                text: query,
                languageCode
            }
        },
        queryParams: {
            contexts: context // You may want to add the other contexts here
        }
    };

    const result = await sessionClient.detectIntent(request);
    console.log(result);
}

现在您需要创建一个参数,其值为: #your-context.name