[TOC] > [https://github.com/fyne-io/fyne](https://github.com/fyne-io/fyne) > [官方文档](https://fyne.io/develop/widgets.html) ## 概述  :-: 白色主题  :-: 黑色主题 ## demo ``` package main import ( "fyne.io/fyne/widget" "fyne.io/fyne/app" ) func main() { app := app.New() w := app.NewWindow("Hello") w.SetContent(widget.NewVBox( widget.NewLabel("Hello Fyne!"), widget.NewButton("Quit", func() { app.Quit() }), )) w.ShowAndRun() } ```