文件流下载type设置

export const blobType = {
xls: 'application/vnd.ms-excel',
xlsx: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
xlsm:'application/vnd.ms-excel.sheet.macroEnabled.12',
csv: 'text/csv',
doc: 'application/msword',
docx: 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
pdf: 'application/pdf',
ppt: 'application/vnd.ms-powerpoint',
pptx: 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
png: 'image/png',
gif: 'image/gif',
jpeg: 'image/jpeg',
jpg: 'image/jpeg',
mp3: 'audio/mpeg',
aac: 'audio/aac',
html: 'text/html',
css: 'text/css',
js: 'text/javascript',
json: 'application/json',
abw: 'application/x-abiword',
arc: 'application/x-freearc',
avi: 'video/x-msvideo',
azw: 'application/vnd.amazon.ebook',
bin: 'application/octet-stream',
bmp: 'image/bmp',
bz: 'application/x-bzip',
bz2: 'application/x-bzip2',
csh: 'application/x-csh',
eot: 'application/vnd.ms-fontobject',
epub: 'application/epub+zip',
htm: 'text/html',
ico: 'image/vnd.microsoft.icon',
ics: 'text/calendar',
jar: 'application/java-archive',
jsonld: 'application/ld+json',
mid: 'audio/midi audio/x-midi',
midi: 'audio/midi audio/x-midi',
mjs: 'text/javascript',
mpeg: 'video/mpeg',
mpkg: 'application/vnd.apple.installer+xml',
odp: 'application/vnd.oasis.opendocument.presentation',
ods: 'application/vnd.oasis.opendocument.spreadsheet',
odt: 'application/vnd.oasis.opendocument.text',
oga: 'audio/ogg',
ogv: 'video/ogg',
ogx: 'application/ogg',
otf: 'font/otf',
rar: 'application/x-rar-compressed',
rtf: 'application/rtf',
sh: 'application/x-sh',
svg: 'image/svg+xml',
swf: 'application/x-shockwave-flash',
tar: 'application/x-tar',
tif: 'image/tiff',
tiff: 'image/tiff',
ttf: 'font/ttf',
txt: 'text/plain',
vsd: 'application/vnd.visio',
wav: 'audio/wav',
weba: 'audio/webm',
webm: 'video/webm',
webp: 'image/webp',
woff: 'font/woff',
woff2: 'font/woff2',
xhtml: 'application/xhtml+xml',
xml: 'text/xml',
xul: 'application/vnd.mozilla.xul+xml',
zip: 'application/zip',
}