GUI开发

• 对话框,无cgo https://github.com/ncruces/zenity
  go get github.com/ncruces/zenity@latest
  文档 https://pkg.go.dev/github.com/ncruces/zenity

//选择单文件 返回string
file, _ := zenity.SelectFile(
        zenity.Filename(""),
        zenity.Title("选择文件"),
        zenity.FileFilters{
            {"Go文件", []string{"*.go"}, false},
            {"web文件", []string{"*.html", "*.js", "*.css"}, true},
            {"图片文件", []string{"*.png", "*.gif", "*.ico", "*.jpg", "*.webp"}, true},
        })
//文件夹选择单选/多选
f, _ := zenity.SelectFileMultiple(zenity.Title("选择文件夹"), zenity.Directory())
f, _ := zenity.SelectFile(zenity.Title("选择文件夹"), zenity.Directory())

//选择多文件 返回 []string
file, _ := zenity.SelectFileMultiple(zenity.FileFilters{
        {"图片", []string{"*.png", "*.gif", "*.ico", "*.jpg", "*.webp"}, false},
    })
//选择日期 返回time.time
file, _ := zenity.Calendar("选择日期")
//颜色框
i, _ := zenity.SelectColor(zenity.ShowPalette())
//输入框
file, _ := zenity.Entry("请输入用户", zenity.Title("对话框标题"), zenity.OKLabel("确定"), zenity.CancelLabel("取消"), zenity.Width(800))
//进度条
dlg, _ := zenity.Progress(zenity.Title("更新信息..."), zenity.NoCancel(), zenity.OKLabel("确定"))
    defer dlg.Close()
    dlg.Text("0%")
    dlg.Value(0)
    time.Sleep(time.Second)

    dlg.Text("100%")
    dlg.Value(100)
    time.Sleep(time.Second * 20)
    dlg.Complete()
//提示,错误
zenity.Info("提示信息", zenity.Title("标题"))
zenity.Error("错误", zenity.Title("标题"), zenity.Width(400))
zenity.Warning("警告", zenity.Title("警告"))
err := zenity.Question("询问", zenity.Title("询问"), zenity.DefaultCancel())
    if err == nil {
        fmt.Print("你按了确定")
    } else {
        fmt.Print("取消")
    }
//右下角通知
zenity.Notify("右下角提示弹出", zenity.Title("提示信息"), zenity.InfoIcon)
//列表框,单选
i, _ := zenity.List("选择", []string{"中国", "日本", "韩国"}, zenity.Title("标题"), zenity.OKLabel("确定"), zenity.CancelLabel("取消"), zenity.DisallowEmpty(), zenity.DefaultItems("日本"))
//多选
i, _ := zenity.ListMultiple("多选", []string{"apples", "oranges", "bananas", "strawberries"}, zenity.Title("标题"), zenity.OKLabel("确定"), zenity.CancelLabel("取消"), zenity.DisallowEmpty())
//密码框
u, p, _ := zenity.Password(zenity.Title("登录"), zenity.OKLabel("确定"), zenity.CancelLabel("取消"), zenity.Username())
    fmt.Print(u, "密码", p)
//保存对话框
f, err := zenity.SelectFileSave(zenity.Title("保存文件"), zenity.ConfirmOverwrite(), zenity.Filename("12"), zenity.FileFilters{{"Go files", []string{"*.go"}, false}, {"Web files", []string{"*.html", "*.js", "*.css"}, true}, {"Image files", []string{"*.png", "*.gif", "*.ico", "*.jpg", "*.webp"}, true}})
    if err == nil {
        fmt.Print(f)
    } else {
        fmt.Print("取消")
    }

• tk无cgo https://gitlab.com/cznic/tk9.0
  文档 https://pkg.go.dev/modernc.org/tk9.0
  `go
  package main

import (
_ “embed”
“fmt”
. “modernc.org/tk9.0”
“modernc.org/tk9.0/b5”
“os”
“runtime”
“time”
)

func main() {
fmt.Println(“hello world”)
background := White
blue := b5.Colors{b5.ButtonText: “#fff”, b5.ButtonFace: “#0d6efd”, b5.ButtonFocus: “#98c1fe”}
red := b5.Colors{b5.ButtonText: “#fff”, b5.ButtonFace: “#dc3545”, b5.ButtonFocus: “#f0a9b0”}
green := b5.Colors{b5.ButtonText: “#fff”, b5.ButtonFace: “#198754”, b5.ButtonFocus: “#9dccb6”}
StyleThemeUse(“default”)
opts := Opts{Padx(“1m”), Pady(“2m”), Ipadx(“1m”), Ipady(“1m”)}
Grid(TButton(Txt(“blue”), Style(b5.ButtonStyle(“blue.TButton”, blue, background, false))),
TButton(Txt(“red”), Style(b5.ButtonStyle(“red.TButton”, red, background, false))),
TButton(Txt(“绿色”), Style(b5.ButtonStyle(“green.TButton”, green, background, false))),
opts)
menubar := Menu()
uhome, _ := os.UserHomeDir()
fileMenu := menubar.Menu()
fileMenu.AddCommand(Lbl(“Open…”), Underline(0), Accelerator(“Ctrl+O”), Command(func() { GetOpenFile() }))
Bind(App, ““, Command(func() { fileMenu.Invoke(1) }))
fileMenu.AddSeparator()
fileMenu.AddCommand(Lbl(“保存”), Command(func() {
GetSaveFile(
Title(“Save File”),
Confirmoverwrite(true),
Filetypes([]FileType{{“Go files”, []string{“.go”}, “”}}))
}))
fileMenu.AddCommand(Lbl(“Exit”), Underline(1), Accelerator(“Ctrl+Q”), ExitHandler())
Bind(App, ““, Command(func() { fileMenu.Invoke(6) }))
menubar.AddCascade(Lbl(“File”), Underline(0), Mnu(fileMenu))

editMenu := menubar.Menu()
editMenu.AddCommand(Lbl("选择颜色"), Command(func() {
    co := ChooseColor(Title("选择颜色"), Initialcolor("red"))
    fmt.Println(co)
}))
editMenu.AddCommand(Lbl("选择目录"), Command(func() {

    co := ChooseDirectory(Initialdir(uhome))
    fmt.Println(co)
}))
editMenu.AddCommand(Lbl("剪贴板"), Command(func() {
    s := ClipboardGet()
    fmt.Println(s)
}))
editMenu.AddCommand(Lbl("Select All"))
menubar.AddCascade(Lbl("Edit"), Underline(0), Mnu(editMenu))

helpMenu := menubar.Menu()
helpMenu.AddCommand(Lbl("Help Index"))
helpMenu.AddCommand(Lbl("About..."))
menubar.AddCascade(Lbl("Help"), Underline(0), Mnu(helpMenu))
lbl := Label()
NewTicker(100*time.Millisecond, func() {
    lbl.Configure(Txt(time.Now().Format(time.DateTime)))
})

Grid(TLabel(Txt("测试"), State("disabled"), Width(10)), TExit(Txt("退出")),
    Button(Txt("单机"), Command(func() {
        Destroy(App) //退出
    })), lbl, TButton(Txt("单机"), Command(func() {
        Focus(TEntry(Textvariable("foo")))
    })), TButton(Txt("打开文件"), Command(func() {
        s := GetOpenFile(
            Title("打开文件"),
            Initialdir(uhome),
            Multiple(true),
            Filetypes([]FileType{{"Go 文件", []string{".go"}, ""}}))
        fmt.Println(s)
    })),
    opts)
Grid(TButton(Txt("消息"), Command(func() {
    s := MessageBox(Title("消息"), Detail("信息"), Type("okcancel"))
    fmt.Println(s)
})),
    TCombobox(Values("")), TEntry(Textvariable("默认值"), Width(20)),
    TCheckbutton(Txt("是否"), Command(func() {
        fmt.Println(1)
        MessageBox(Icon("error"), Msg("woui我是"), Title("Error"))
    })),
    Radiobutton(Txt("单选,2")),
    opts)
App.WmTitle(fmt.Sprintf("我是标题%s on %s", App.WmTitle(""), runtime.GOOS))
Bind(App, "<Control-f>", Command(func() { fmt.Println("Clicked!") }))
App.Configure(Mnu(menubar), Width("8c"), Height("6c"), Background(background)).Center().Wait()

}

`

• govcl https://github.com/ying32/govcl
• wails

go install github.com/wailsapp/wails/v2/cmd/wails@latest
wails doctor
wails init -n myproject -t svelte
wails init -n myproject -t vue
wails dev
wails build