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wtone-nacos-config

v2.4.1

Published

nacos config client

Downloads

32

Readme

nacos-config

Nacos config client for Node.js 客户端 https://help.aliyun.com/document_detail/60137.html

重新使用了 typescript 编码,使用 async/await 重构。

Usage

import {NacosConfigClient} from 'nacos';   // ts
const NacosConfigClient = require('nacos').NacosConfigClient; // js

// 下面的代码是寻址模式
const configClient = new NacosConfigClient({
  endpoint: 'acm.aliyun.com', // acm 控制台查看
  namespace: '***************', // acm 控制台查看
  accessKey: '***************', // acm 控制台查看
  secretKey: '***************', // acm 控制台查看
  requestTimeout: 6000, // 请求超时时间,默认6s
});

// 下面代码是账密模式
const configClient = new NacosConfigClient({
  serverAddr: '127.0.0.1:8848',
  namespace: '***************',
  username: '***************',
  password: '***************',
  requestTimeout: 6000,
});

// 下面的代码是直连模式
const configClient = new NacosConfigClient({
  serverAddr: '127.0.0.1:8848', // 对端的 ip 和端口,其他参数同寻址模式
});

// 主动拉取配置
const content= await configClient.getConfig('test', 'DEFAULT_GROUP');
console.log('getConfig = ',content);

// 监听数据更新
configClient.subscribe({
  dataId: 'test',
  group: 'DEFAULT_GROUP',
}, content => {
  console.log(content);
});

// 发布配置接口
const content= await configClient.publishSingle('test', 'DEFAULT_GROUP', '测试');
console.log('getConfig = ',content);

// 删除配置
await configClient.remove('test', 'DEFAULT_GROUP');

### Error Events 异常处理

```js
configClient.on('error', function (err) {
  // 可以在这里统一进行日志的记录
  // 如果不监听错误事件,所有的异常都将会打印到 stderr
});

NacosConfigClient 的 options 定义见 ClientOptions

默认值见 ClientOptions 默认值

API

获取配置

  • async function getConfig(dataId, group)
  • {String} dataId - 配置id
  • {String} group - 配置分组

发布配置

  • async function publishSingle(dataId, group, content)
  • {String} dataId - 配置id
  • {String} group - 配置分组
  • {String} content - 发布内容

删除配置

  • async function remove(dataId, group)
  • {String} dataId - 配置id
  • {String} group - 配置分组

订阅配置

  • function subscribe(info, listener)
    • {Object} info
      • {String} dataId - 配置id
      • {String} group - 配置分组
    • {Function} listener - 回调函数

取消订阅

  • function unSubscribe(info, [listener])
    • {Object} info
      • {String} dataId - 配置id
      • {String} group - 配置分组
    • {Function} listener - 回调函数(可选,不传就移除所有监听函数)

Contacts