data:[<mediatype>][;base64],<data> 其中,mediatype是媒体类型,例如text/plain、image/jpeg、audio/mpeg等;如果数据需要进行 base64 编码,则在 media type 后添加;base64标记;data是实际的数据内容。 例如,下面的代码就是将一张图片内嵌到 HTML 页面中: ...
MP3 audio format Dynamic Adaptive Streaming over HTTP (MPEG-DASH) MPEG-4/H.264 video format Mutation events Mutation Observer Navigation Timing API Network Information API Ogg Vorbis audio format Ogg/Theora video format "once" event listener option Opus audio format Passive event listeners Path2D Bu...
, accept: "audio/mpeg", }, body: JSON.stringify({ text: completion, voice: persona?.voiceId ?? voicesFiltered[Math.floor(Math.random() * voicesFiltered.length)] .id, output_format: "mp3", voice_engine: "PlayHT2.0-turbo", }), }).catch((err) => console.log("fetch error:", err...
Data URLs,即前缀为 data: 协议的URL,它允许开发者向文档中嵌入小文件。 语法# Data URLs 由四个部分组成:前缀(data:)、指示数据类型的MIME类型、如果非文本则为可选的base64标记、数据本身: data:[<mediatype>][;base64],<data> mediatype是个 MIME 类型的字符串,例如 "image/jpeg" 表示 JPEG 图像文件。
AUaudio/basic WAVaudio/wav BMPimage/bmp GIFimage/gif JPE/JPEG/JPGimage/jpeg JFIFimage/pjpeg TIFimage/tiff MPEGvideo/mpeg MOV/QTvideo/quicktime AVIvideo/x-msvideo EXEapplication/octet-stream PSapplication/postscript PDFapplication/pdf TGZapplication/x-compressed ...
AudioMsgFileInfo 效果音播放 LocalAudioInfo LocalAudioClipStateInfo HWAudioClipStateEnum 语音转文本 VoiceParam HWPGMEError Android Package Summary com.huawei.game.gmme Overview GameMediaEngine com.huawei.game.gmme.handler Overview IGameMMEEventHandler com.huawei....
path(), mime: 'audio/mpeg'}])) .then(() => { // scan file success }) .catch((err) => { // scan file error }) Download Manager When downloading large files on Android it is recommended to use Download Manager, it supports a lot of native features like the progress bar, and ...
data:[<mediatype>][;base64],<data> 1. mediatype是个 MIME 类型的字符串,例如 "image/jpeg" 表示 JPEG 图像文件。如果被省略,则默认值为text/plain;charset=US-ASCII 如果数据是文本类型,你可以直接将文本嵌入 (根据文档类型,使用合适的实体字符或转义字符)。如果是二进制数据,你可以将数据进行base64编码之...
audio表明是某种⾳频⽂件audio/midi, audio/mpeg, audio/webm, audio/ogg, audio/wav video表明是某种视频⽂件video/webm, video/ogg application表明是某种⼆进制数据application/octet-stream, application/pkcs12, application/vnd.mspowerpoint, application/xhtml+xml, application/xml, application/pdf 简单...
Though printable, it's metadata. As graphical user interfaces proliferate and applications become multimedia, computer data stray farther and farther from printable information. Sound and animation don't print at all; consequently, the animated PowerPoint, MPEG training video, even the Flash web page...