自动重试API请求直至满足条件：JavaScript实现指南

const axios = require("axios");
const qs = require("qs");

// 示例API配置
let data = qs.stringify({
  document_key: "038A2E0792CE72020E9BB88380D002EB582A6B3AE5883C34DE53C9F17D415D99",
});

let config = {
  method: "post",
  maxBodyLength: Infinity,
  url: "https://api-free.deepl.com/v2/document/95BA71197AC66EE4745FF5269CF4399D",
  headers: {
    Authorization: 'YOUR_API_KEY', // 替换为你的API Key
    "Content-Type": "application/x-www-form-urlencoded",
  },
  data: data,
};


/**
 * 自动重试API请求，直到满足条件
 * @param {object} config axios配置对象
 * @param {function} condition 检查响应是否满足条件的函数 (response) => boolean
 * @param {number} maxRetries 最大重试次数，默认为5
 * @param {number} delay 重试间隔时间（毫秒），默认为1000
 * @returns {Promise<any>} Promise，resolve为满足条件的响应数据，reject为达到最大重试次数或发生其他错误
 */
async function retryUntilSuccess(config, condition, maxRetries = 5, delay = 1000) {
  let attempts = 0;

  while (attempts < maxRetries) {
    try {
      const response = await axios.request(config);
      if (condition(response)) {
        return response.data; // 返回满足条件的响应数据
      } else {
        console.log(`Attempt ${attempts + 1} failed. Retrying in ${delay}ms...`);
        await new Promise(resolve => setTimeout(resolve, delay)); // 延迟一段时间后重试
        attempts++;
      }
    } catch (error) {
      console.error(`Attempt ${attempts + 1} failed with error: ${error.message}`);
      if (attempts < maxRetries - 1) {
        console.log(`Retrying in ${delay}ms...`);
        await new Promise(resolve => setTimeout(resolve, delay)); // 延迟一段时间后重试
        attempts++;
      } else {
        throw new Error(`Max retries reached. Last error: ${error.message}`); // 达到最大重试次数，抛出错误
      }
    }
  }

  throw new Error("Max retries reached without success."); // 达到最大重试次数，抛出错误
}

// 使用示例
retryUntilSuccess(
  config,
  (response) => response.data.status === "done",
  10, // 最大重试次数
  2000 // 重试间隔2秒
)
  .then((data) => {
    console.log("API call successful with status 'done':", data);
  })
  .catch((error) => {
    console.error("API call failed:", error.message);
  });