#鸿蒙通关秘籍#如何在HarmonyOS Next中通过Request模块下载文件？

import request from '@ohos.request';

let cfg = {
    url: 'http://example.com/demo.txt',
    header: {
        'Cookie': 'sessionid=' + sessionId, // 使用登录成功后的sessionId
    },
    filePath: '/path/to/save/demo.txt'
};

request.downloadFile(getContext(this), cfg)
    .then(downloadTask => {
        downloadTask.on("complete", () => {
            console.log("Download complete");
        });
        downloadTask.on("progress", (size, tot) => {
            console.log(`Progress: ${size}/${tot}`);
        });
    })
    .catch(err => {
        console.error('Error during download: ' + err);
    });
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