Share the technical implementation of Markdown export and publish copy in CodeWF.Markdown and Vex: MarkdownDocumentExporter, ExportKind, shared image loading, SVG/GIF/WebP rasterization, Word embedded media resources, selectable text PDF, Windows CF_HTML rich HTML clipboard, and extensible typography themes.
计算占比、百分比对应值以及两个数之间的变化百分比。