使用await Promise.all获取已解析对象的更简洁的方法

async function fetchData1() {
  // 模拟异步操作
  return new Promise((resolve) => setTimeout(() => resolve('Data 1'), 1000));
}

async function fetchData2() {
  // 模拟异步操作
  return new Promise((resolve) => setTimeout(() => resolve('Data 2'), 1500));
}

async function fetchData3() {
  // 模拟异步操作
  return new Promise((resolve) => setTimeout(() => resolve('Data 3'), 500));
}

async function getAllData() {
  try {
    const [data1, data2, data3] = await Promise.all([
      fetchData1(),
      fetchData2(),
      fetchData3()
    ]);
    console.log(data1, data2, data3); // 输出: Data 1 Data 2 Data 3
  } catch (error) {
    console.error('Error fetching data:', error);
  }
}

getAllData();

async function handleAllSettled() {
  const results = await Promise.allSettled([
    fetchData1(),
    fetchData2(),
    fetchData3()
  ]);

  results.forEach((result, index) => {
    if (result.status === 'fulfilled') {
      console.log(`Promise ${index + 1} succeeded with value:`, result.value);
    } else {
      console.error(`Promise ${index + 1} failed with reason:`, result.reason);
    }
  });
}

handleAllSettled();