读取用户输入的文件
html
<input type="file" multiple>
ts
const onchange: EventListener = e => {
const input: HTMLInputElement = e.target as HTMLInputElement;
for (const file of input.files!) {
const reader = new FileReader();
reader.readAsDataURL(file);
const event = await (new Promise(resolve => {
reader.addEventListener('load', resolve);
}));
console.log(event)
debugger;
}
}