[下载文件/bolb转文本文件] #数据转换

funDownload.js

//下载文件
// funDownload(JSON.stringify(xxxx),'xxx.json')
function funDownload(content, filename) {
    let eleLink = document.createElement('a');
    eleLink.download = filename;
    eleLink.style.display = 'none';
    // 字符内容转变成blob地址
    let blob = new Blob([content]);
    eleLink.href = URL.createObjectURL(blob);
    // 触发点击
    document.body.appendChild(eleLink);
    eleLink.click();
    // 然后移除
    document.body.removeChild(eleLink);
};