Go Walk教程 － 流程控制（ switch）

var score ＝98
var result string
switch score/10 {
　　case 9,10:result="优秀"
　　case 8:result="良好"
　　case 6,7:result="及格"
　　default:result="不及格"
}

var score ＝-1
var result string
switch  {
　　case score<0:result="负数"
　　case score＝0:result="零"
　　case score>0:result="正数"　　
}

package main
import (
	"log"	
)
import (
	"github.com/lxn/walk"
	. "github.com/lxn/walk/declarative"
)
var le *walk.LineEdit
var sport,maths,english *walk.RadioButton
func main() {
	if _, err := MainWindow1.Run(); err != nil {
		log.Fatal(err)
	}
	log.Fatal(Bind("enabledCB.Checked"))
}
var MainWindow1=MainWindow{
  Title:   "MainWindow",
  MinSize: Size{300, 200},
  Layout:  VBox{},   
  Children: widget,
}

var widget=[]Widget{
  LineEdit1,
  RadioButtonSport, 
  RadioButtonMaths,
  RadioButtonEnglish,
  PushButtonOK,
}

var LineEdit1=LineEdit{  
  AssignTo: &le,
}

var RadioButtonSport=RadioButton{
  AssignTo: &sport,
  Text:    "体育系",  
}
var RadioButtonMaths=RadioButton{
  AssignTo: &maths,
  Text:    "数学系", 
}
var RadioButtonEnglish=RadioButton{
  AssignTo: &english,
  Text:    "英语系", 
}
var PushButtonOK=PushButton{
  Text: "OK",
  OnClicked:OK_Clicked,
}
func OK_Clicked(){  
  switch {
    case english.Checked():
      le.SetText("英语系")
    case sport.Checked():
      le.SetText("体育系")
    case maths.Checked():
      le.SetText("数学系")
  }
}