如何使用typescript开发PI Vision自定义符号

mkdir pi-vision-symbol
cd pi-vision-symbol
npm init -y

npm install @osisoft/piwebapi --save
npm install @types/osisoft__piwebapi --save-dev

import * as PIWebApi from '@osisoft/piwebapi';

// 初始化PI Web API客户端
const piWebApiClient = new PIWebApi.Client({
  url: 'https://your-pi-web-api-url/',
  username: 'your-username',
  password: 'your-password'
});

// 获取特定元素的属性
async function getElementAttribute(elementId: string, attributeName: string): Promise<string> {
  const attribute = await piWebApiClient.element.getElementAttribute(elementId, attributeName);
  return attribute.Value;
}

// 在控制台上打印元素属性
getElementAttribute('your-element-id', 'your-attribute-name')
  .then(value => console.log(`Attribute value: ${value}`))
  .catch(error => console.error(error));

npx tsc
node dist/symbol.js