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Dockerfile

@@ -13,7 +13,7 @@ RUN go mod download
 COPY dist ./dist
 COPY html.go html.go
 COPY main.go main.go
-RUN go build -ldflags "-w -s" -o json-gen .
+RUN go build -ldflags "-w -s -X main.Open=false" -o json-gen .
 
 # runtime
 FROM alpine:latest

main.go

@@ -6,6 +6,8 @@ import (
 	"io"
 	"io/fs"
 	"net/http"
+	"os/exec"
+	"runtime"
 	"sort"
 	"strings"
 	"sync"
@@ -54,6 +56,24 @@ var defaultOptions = options{
 	Package:   "model",
 }
 
+var Open = ""
+
+func OpenBrowser(url string) {
+	var err error
+
+	switch runtime.GOOS {
+	case "linux":
+		err = exec.Command("xdg-open", url).Start()
+	case "windows":
+		err = exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
+	case "darwin":
+		err = exec.Command("open", url).Start()
+	}
+	if err != nil {
+		fmt.Println(err)
+	}
+}
+
 func WithCharset(charset string) Option {
 	return func(o *options) {
 		o.Charset = charset
@@ -540,14 +560,18 @@ func main() {
 		c.String(http.StatusOK, string(res))
 	})
 
+	// static 嵌入
 	r.GET("/", func(c *gin.Context) {
 		indexHTML, _ := dist.ReadFile("dist/index.html")
 		c.Writer.Write(indexHTML)
 	})
-
 	static, _ := fs.Sub(dist, "dist/static")
 	r.StaticFS("/static", http.FS(static))
-	r.Run(":8000")
+
+	if len(Open) == 0 {
+		OpenBrowser("http://localhost:8333")
+	}
+	r.Run(":8333")
 }
 
 func Cors() gin.HandlerFunc {