26 lines
869 B
JavaScript
26 lines
869 B
JavaScript
function base64ToBlob(code) {
|
|
const parts = code.split(';base64,')
|
|
const contentType = parts[0].split(':')[1]
|
|
const raw = window.atob(parts[1])
|
|
const rawLength = raw.length
|
|
|
|
const uInt8Array = new Uint8Array(rawLength)
|
|
|
|
for (let i = 0; i < rawLength; ++i) {
|
|
uInt8Array[i] = raw.charCodeAt(i)
|
|
}
|
|
return new Blob([uInt8Array], { type: contentType })
|
|
}
|
|
export const downloadFile = (fileName, content) => {
|
|
const aLink = document.createElement('a')
|
|
const blob = base64ToBlob(content) // new Blob([content]);
|
|
|
|
const evt = document.createEvent('HTMLEvents')
|
|
evt.initEvent('click', true, true) // initEvent 不加后两个参数在FF下会报错 事件类型，是否冒泡，是否阻止浏览器的默认行为
|
|
aLink.download = fileName
|
|
aLink.href = URL.createObjectURL(blob)
|
|
// aLink.dispatchEvent(evt);
|
|
aLink.click()
|
|
aLink.remove()
|
|
}
|