let url = window.URL.createObjectURL(new Blob([文件流(一般为res.data)], { type: 'Blob类型' }))
let link = document.creatElement('a') // 创建a标签来下载
link.style.display = 'none'
link.href = url
link.setAttribute('download', '下载的文件名')
document.body.appendChild(link)
link.click()
document.body.removeChild(link)

注:在request请求中需加responseType: 'Blob'
.aacAAC audioaudio/aac
.abwAbiWord documentapplication/x-abiword
.arcArchive document (multiple files embedded)application/x-freearc
.aviAVI: Audio Video Interleavevideo/x-msvideo
.azwAmazon Kindle eBook formatapplication/vnd.amazon.ebook
.binAny kind of binary dataapplication/octet-stream
.bmpWindows OS/2 Bitmap Graphicsimage/bmp
.bzBZip archiveapplication/x-bzip
.bz2BZip2 archiveapplication/x-bzip2
.cshC-Shell scriptapplication/x-csh
.cssCascading Style Sheets (CSS)text/css
.csvComma-separated values (CSV)text/csv
.docMicrosoft Wordapplication/msword
.docxMicrosoft Word (OpenXML)application/vnd.openxmlformats-officedocument.wordprocessingml.document
.eotMS Embedded OpenType fontsapplication/vnd.ms-fontobject
.epubElectronic publication (EPUB)application/epub+zip
.gifGraphics Interchange Format (GIF)image/gif
.htm
.html
HyperText Markup Language (HTML)text/html
.icoIcon formatimage/vnd.microsoft.icon
.icsiCalendar formattext/calendar
.jarJava Archive (JAR)application/java-archive
.jpeg
.jpg
JPEG imagesimage/jpeg
.jsJavaScripttext/javascript
.jsonJSON formatapplication/json
.jsonldJSON-LD formatapplication/ld+json
.mid
.midi
Musical Instrument Digital Interface (MIDI)audio/midi audio/x-midi
.mjsJavaScript moduletext/javascript
.mp3MP3 audioaudio/mpeg
.mpegMPEG Videovideo/mpeg
.mpkgApple Installer Packageapplication/vnd.apple.installer+xml
.odpOpenDocument presentation documentapplication/vnd.oasis.opendocument.presentation
.odsOpenDocument spreadsheet documentapplication/vnd.oasis.opendocument.spreadsheet
.odtOpenDocument text documentapplication/vnd.oasis.opendocument.text
.ogaOGG audioaudio/ogg
.ogvOGG videovideo/ogg
.ogxOGGapplication/ogg
.otfOpenType fontfont/otf
.pngPortable Network Graphicsimage/png
.pdfAdobe Portable Document Format (PDF)application/pdf
.pptMicrosoft PowerPointapplication/vnd.ms-powerpoint
.pptxMicrosoft PowerPoint (OpenXML)application/vnd.openxmlformats-officedocument.presentationml.presentation
.rarRAR archiveapplication/x-rar-compressed
.rtfRich Text Format (RTF)application/rtf
.shBourne shell scriptapplication/x-sh
.svgScalable Vector Graphics (SVG)image/svg+xml
.swfSmall web format (SWF) or Adobe Flash documentapplication/x-shockwave-flash
.tarTape Archive (TAR)application/x-tar
.tif
.tiff
Tagged Image File Format (TIFF)image/tiff
.ttfTrueType Fontfont/ttf
.txtText, (generally ASCII or ISO 8859-n)text/plain
.vsdMicrosoft Visioapplication/vnd.visio
.wavWaveform Audio Formataudio/wav
.webaWEBM audioaudio/webm
.webmWEBM videovideo/webm
.webpWEBP imageimage/webp
.woffWeb Open Font Format (WOFF)font/woff
.woff2Web Open Font Format (WOFF)font/woff2
.xhtmlXHTMLapplication/xhtml+xml
.xlsMicrosoft Excelapplication/vnd.ms-excel
.xlsxMicrosoft Excel (OpenXML)application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
.xmlXMLapplication/xml 代码对普通用户来说不可读
text/xml 代码对普通用户来说可读
.xulXULapplication/vnd.mozilla.xul+xml
.zipZIP archiveapplication/zip
.3gp3GPP audio/video containervideo/3gpp
audio/3gpp(若不含视频)
.3g23GPP2 audio/video containervideo/3gpp2
audio/3gpp2(若不含视频)
.7z7-zip archiveapplication/x-7z-compressed

标签: Blob

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