自动查找chrome位置

main.go

@@ -4,6 +4,7 @@ import (
 	"os"
 	"os/exec"
 	"os/signal"
+	"runtime"
 
 	"github.com/zggsong/FileSync/config"
 	"github.com/zggsong/FileSync/server"
@@ -26,17 +27,16 @@ func main() {
 }
 
 func startBrowser(chChomrDie chan struct{}, chBackendDie chan struct{}) {
-	chromePath := "C:\\Program Files\\Google\\Chrome\\Application\\chrome.exe"
+	// chromePath := "C:\\Program Files\\Google\\Chrome\\Application\\chrome.exe"
+	chromePath := LocateChrome()
 	cmd := exec.Command(chromePath, "--app=http://127.0.0.1:"+config.GetPort()+"/static/index.html")
 	cmd.Start()
 	go func() {
 		<-chBackendDie
 		cmd.Process.Kill()
 	}()
-	go func() {
 	cmd.Wait()
 	chChomrDie <- struct{}{}
-	}()
 }
 
 //监听中断信号
@@ -45,3 +45,53 @@ func listen2Interrupt() <-chan os.Signal {
 	signal.Notify(chSignal, os.Interrupt)
 	return chSignal
 }
+
+func LocateChrome() string {
+
+	// If env variable "LORCACHROME" specified and it exists
+	if path, ok := os.LookupEnv("LORCACHROME"); ok {
+		if _, err := os.Stat(path); err == nil {
+			return path
+		}
+	}
+
+	var paths []string
+	switch runtime.GOOS {
+	case "darwin":
+		paths = []string{
+			"/Applications/Google Chrome.app/Contents/MacOS/Google Chrome",
+			"/Applications/Google Chrome Canary.app/Contents/MacOS/Google Chrome Canary",
+			"/Applications/Chromium.app/Contents/MacOS/Chromium",
+			"/usr/bin/google-chrome-stable",
+			"/usr/bin/google-chrome",
+			"/usr/bin/chromium",
+			"/usr/bin/chromium-browser",
+		}
+	case "windows":
+		paths = []string{
+			os.Getenv("LocalAppData") + "/Google/Chrome/Application/chrome.exe",
+			os.Getenv("ProgramFiles") + "/Google/Chrome/Application/chrome.exe",
+			os.Getenv("ProgramFiles(x86)") + "/Google/Chrome/Application/chrome.exe",
+			os.Getenv("LocalAppData") + "/Chromium/Application/chrome.exe",
+			os.Getenv("ProgramFiles") + "/Chromium/Application/chrome.exe",
+			os.Getenv("ProgramFiles(x86)") + "/Chromium/Application/chrome.exe",
+			os.Getenv("ProgramFiles(x86)") + "/Microsoft/Edge/Application/msedge.exe",
+		}
+	default:
+		paths = []string{
+			"/usr/bin/google-chrome-stable",
+			"/usr/bin/google-chrome",
+			"/usr/bin/chromium",
+			"/usr/bin/chromium-browser",
+			"/snap/bin/chromium",
+		}
+	}
+
+	for _, path := range paths {
+		if _, err := os.Stat(path); os.IsNotExist(err) {
+			continue
+		}
+		return path
+	}
+	return ""
+}