简单入门教程：如何使用Golang开发跨平台GUI应用

go get github.com/lxn/walk
go get github.com/akavel/rsrc
rsrc

package main
import (
	"strings"
	"github.com/lxn/walk"
	. "github.com/lxn/walk/declarative"
)
func main() {
	var inTE, outTE *walk.TextEdit
	MainWindow{
		Title: "xiaochuan测试",
		MinSize: Size{600, 400},
		Layout: VBox{},
		Children: []Widget{
			HSplitter{
				Children: []Widget{
					TextEdit{AssignTo: &inTE, MaxLength: 10},
					TextEdit{AssignTo: &outTE, ReadOnly: true},
				},
			},
			PushButton{
				Text: "SCREAM",
				OnClicked: func() {
					outTE.SetText(strings.ToUpper(inTE.Text()))
				},
			},
		},
	}.Run()
}

go mod init go-gui

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
    <assemblyIdentity version="1.0.0.0" processorArchitecture="*" name="SomeFunkyNameHere" type="win32"/>
    <dependency>
        <dependentAssembly>
            <assemblyIdentity type="win32" name="Microsoft.Windows.Common-Controls" version="6.0.0.0" processorArchitecture="*" publicKeyToken="6595b64144ccf1df" language="*"/>
        </dependentAssembly>
    </dependency>
    <application xmlns="urn:schemas-microsoft-com:asm.v3">
        <windowsSettings>
            <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2, PerMonitor</dpiAwareness>
            <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">True</dpiAware>
        </windowsSettings>
    </application>
</assembly>

rsrc -manifest go-gui.exe.manifest -o rsrc.syso
go build -ldflags="-H windowsgui"

rsrc -manifest go-gui.exe.manifest -ico favicon.ico -o rsrc.syso
go build -ldflags="-H windowsgui"

rsrc - Tool for embedding binary resources in Go programs.
Generates a .syso file with specified resources embedded in .rsrc section,
  aimed for consumption by Go linker when building Win32 excecutables.
The generated *.syso files should get automatically recognized by 'go build'
command and linked into an executable/library, as long as there are any *.go
files in the same directory.
OPTIONS:
  -arch string
    	architecture of output file - one of: 386, amd64, [EXPERIMENTAL: arm, arm64] (default "amd64")
  -ico string
    	comma-separated list of paths to .ico files to embed
  -manifest string
    	path to a Windows manifest file to embed
  -o string
    	name of output COFF (.res or .syso) file; if set to empty, will default to 'rsrc_windows_{arch}.syso'