1.采用a标签的download属性实现下载
/*
* fileName: txt文件名称
* content:文件内容(string)
*/
function downloadTxt(fileName, content) {
let element = document.createElement('element');
element.href = 'data:text/plain;charset=utf-8,' + content
element.download = fileName
document.body.appendChild(element);
element.click();
document.body.removeChild(element);
}
2.通过文件流的形式下载(通过FileReader转化为base64字符串下载)
function downloadTxt(fileName, content) {
let blob = new Blob([content], {
type: "text/plain;charset=utf-8"
});
let reader = new FileReader();
reader.readAsDataURL(blob);
reader.onload = function(e) {
let element = document.createElement('element');
element.download = fileName;
element.href = e.target.result;
document.body.appendChild(element);
element.click();
document.body.removeChild(element);
}
}