sequence
Blob binary file download function (background return file stream download and export function encapsulation, call example), involving files with different suffixes, here is the article
// type 表示默认保存类型为图片png格式
window.URL.createObjectURL(new Blob([res], {
type : 'image/png'}))
Blob configuration relation correspondence table:
| suffix | file type | type |
|---|---|---|
| .xls | Microsoft Excel | application/vnd.ms-excel |
| .xlsx | Microsoft Excel (OpenXML) | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| .csv | CSV | text/csv |
| .doc | Microsoft Word | application/msword |
| .docx | Microsoft Word (OpenXML) | application/vnd.openxmlformats-officedocument.wordprocessingml.document |
| application/pdf | ||
| .ppt | Microsoft PowerPoint | application/vnd.ms-powerpoint |
| .pptx | Microsoft PowerPoint (OpenXML) | application/vnd.openxmlformats-officedocument.presentationml.presentation |
| .png | Portable Network Graphics (PNG) | image/png |
| .gif | GIF | image/gif |
| .jpeg | jpeg images | image/jpeg |
| .jpg | jpeg images | image/jpeg |
| .mp3 | MP3 audio | audio/mpeg |
| .aac | AAC audio | audio/aac |
| .html | Hypertext Markup Language (HTML) | text/html |
| .css | CSS | text/css |
| .js | JavaScript | text/javascript |
| .json | JSON format | application/json |
| abv | AbiWord document | application/x-abiword |
| .arc | Archive Documentation (multiple files embedded) | application/x-freearc |
| .avi | AVI: Audio Video Interleave | video/x-msvideo |
| .azw | Amazon Kindle eBook format | application/vnd.amazon.ebook |
| .bin | any type of binary data | application/octet-stream |
| .bmp | Windows OS/2 bitmap graphics | image/bmp |
| .bz | BZip archive | application/x-bzip |
| .bz2 | BZip2 archive | application/x-bzip2 |
| .csh | C-Shell script | application/x-csh |
| .eot | MS embedded OpenType fonts | application/vnd.ms-fontobject |
| .epub | Electronic Publication (EPUB) | application/epub+zip |
| .htm | Hypertext Markup Language (HTML) | text/html |
| .ico | Icon format | image/vnd.microsoft.icon |
| .ics | iCalendar format | text/calendar |
| .jar | Java Archive (JAR) | application/java-archive |
| .jsonld | JSON-LD format | application/ld+json |
| .mid | Musical Instrument Digital Interface (MIDI) | audio/midi audio/x-midi |
| .midi | Musical Instrument Digital Interface (MIDI) | audio/midi audio/x-midi |
| .mjs | JavaScript modules | text/javascript |
| .mpeg | MPEG video | video/mpeg |
| .mpkg | apple installer package | application/vnd.apple.installer+xml |
| .odp | OpenDocument presentation document | application/vnd.oasis.opendocument.presentation |
| .ods | OpenDocument spreadsheet file | application/vnd.oasis.opendocument.spreadsheet |
| .odt | OpenDocument text document | application/vnd.oasis.opendocument.text |
| .oga | OGG audio | audio/ogg |
| .ogv | OGG video | video/ogg |
| .ogx | OGG | application/ogg |
| .otf | OpenType 字体 | font/otf |
| .rar | RAR 存档 | application/x-rar-compressed |
| .rtf | 富文本格式 (RTF) | application/rtf |
| .sh | Bourne shell 脚本 | application/x-sh |
| .svg | 可缩放矢量图形 (SVG) | image/svg+xml |
| .swf | 小型web格式 (SWF) or Adobe Flash document | application/x-shockwave-flash |
| .tar | Tape 归档(TAR) | application/x-tar |
| .tif | 标记图像文件格式 (TIFF) | image/tiff |
| .tiff | Tagged Image File Format (TIFF) | image/tiff |
| .ttf | rueType 字体 | font/ttf |
| .txt | Text | text/plain |
| .vsd | Microsoft Visio | application/vnd.visio |
| .wav | 波形音频格式 | audio/wav |
| .weba | WEBM 音频 | audio/webm |
| .webm | EBM 视频 | video/webm |
| .webp | WEBP 图片 | image/webp |
| .woff | 网页开放字体格式 (WOFF) | font/woff |
| .woff2 | 网页开放字体格式 (WOFF) | font/woff2 |
| .xhtml | XHTML | application/xhtml+xml |
| .xml | XML | application/xml（普通用户不可读）、text/xml（普通用户可读） |
| .xul | XUL | application/vnd.mozilla.xul+xml |
| .zip | ZIP | application/zip |
| .3gp | 3GPP audio/video 容器 | video/3gpp、audio/3gpp（不含视频） |
| .3g2 | 3GPP2 audio/video 容器 | video/3gpp2、audio/3gpp2（不含视频） |
| .7z | 7-zip | application/x-7z-compressed |
了解更多文档