青鸟ai,pc版仓库
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import { openWindow } from '..'
import { dataURLtoBlob, urlToBase64 } from './base64Conver'
/**
* Download online pictures
* @param url
* @param filename
* @param mime
* @param bom
*/
export function downloadByOnlineUrl(url: string, filename: string, mime?: string, bom?: BlobPart) {
urlToBase64(url).then((base64) => {
downloadByBase64(base64, filename, mime, bom)
})
}
/**
* Download pictures based on base64
* @param buf
* @param filename
* @param mime
* @param bom
*/
export function downloadByBase64(buf: string, filename: string, mime?: string, bom?: BlobPart) {
const base64Buf = dataURLtoBlob(buf)
downloadByData(base64Buf, filename, mime, bom)
}
/**
* Download according to the background interface file stream
* @param {*} data
* @param {*} filename
* @param {*} mime
* @param {*} bom
*/
export function downloadByData(data: BlobPart, filename: string, mime?: string, bom?: BlobPart) {
const blobData = typeof bom !== 'undefined' ? [bom, data] : [data]
const blob = new Blob(blobData, { type: mime || 'application/octet-stream' })
const blobURL = window.URL.createObjectURL(blob)
const tempLink = document.createElement('a')
tempLink.style.display = 'none'
tempLink.href = blobURL
tempLink.setAttribute('download', filename)
if (typeof tempLink.download === 'undefined')
tempLink.setAttribute('target', '_blank')
document.body.appendChild(tempLink)
tempLink.click()
document.body.removeChild(tempLink)
window.URL.revokeObjectURL(blobURL)
}
/**
* Download file according to file address
* @param {*} sUrl
*/
export function downloadByUrl({ url, target = '_blank', fileName }: { url: string, target?: TargetContext, fileName?: string }): boolean {
const isChrome = window.navigator.userAgent.toLowerCase().includes('chrome')
const isSafari = window.navigator.userAgent.toLowerCase().includes('safari')
if (/(iP)/g.test(window.navigator.userAgent)) {
console.error('Your browser does not support download!')
return false
}
if (isChrome || isSafari) {
const link = document.createElement('a')
link.href = url
link.target = target
if (link.download !== undefined)
link.download = fileName || url.substring(url.lastIndexOf('/') + 1, url.length)
if (document.createEvent) {
const e = document.createEvent('MouseEvents')
e.initEvent('click', true, true)
link.dispatchEvent(e)
return true
}
}
if (!url.includes('?'))
url += '?download'
openWindow(url, { target })
return true
}