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| # server/public.go
package public
import (
"embed"
)
//go:embed dist
var StaticFile embed.FS
# server\initialize\router.go
// Router.StaticFile("/favicon.ico", "./dist/favicon.ico")
// Router.Static("/assets", "./dist/assets") // dist里面的静态资源
// Router.StaticFile("/", "./dist/index.html") // 前端网页入口页面
Router.Use(Serve("/", EmbedFolder(public.StaticFile, "dist")))
Router.NoRoute(func(c *gin.Context) {
data, err := public.StaticFile.ReadFile("dist/index.html")
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
c.Data(http.StatusOK, "text/html; charset=utf-8", data)
})
# 其他未修改直接复制博客内函数即可
const INDEX = "index.html"
type ServeFileSystem interface {
http.FileSystem
Exists(prefix string, path string) bool
}
type localFileSystem struct {
http.FileSystem
root string
indexes bool
}
func LocalFile(root string, indexes bool) *localFileSystem {
return &localFileSystem{
FileSystem: gin.Dir(root, indexes),
root: root,
indexes: indexes,
}
}
func (l *localFileSystem) Exists(prefix string, filepath string) bool {
if p := strings.TrimPrefix(filepath, prefix); len(p) < len(filepath) {
name := path.Join(l.root, p)
stats, err := os.Stat(name)
if err != nil {
return false
}
if stats.IsDir() {
if !l.indexes {
index := path.Join(name, INDEX)
_, err := os.Stat(index)
if err != nil {
return false
}
}
}
return true
}
return false
}
func ServeRoot(urlPrefix, root string) gin.HandlerFunc {
return Serve(urlPrefix, LocalFile(root, false))
}
// Static returns a middleware handler that serves static files in the given directory.
func Serve(urlPrefix string, fs ServeFileSystem) gin.HandlerFunc {
fileserver := http.FileServer(fs)
if urlPrefix != "" {
fileserver = http.StripPrefix(urlPrefix, fileserver)
}
return func(c *gin.Context) {
if fs.Exists(urlPrefix, c.Request.URL.Path) {
fileserver.ServeHTTP(c.Writer, c.Request)
c.Abort()
}
}
}
type embedFileSystem struct {
http.FileSystem
}
func (e embedFileSystem) Exists(prefix string, path string) bool {
_, err := e.Open(path)
if err != nil {
return false
}
return true
}
func EmbedFolder(fsEmbed embed.FS, targetPath string) ServeFileSystem {
fsys, err := fs.Sub(fsEmbed, targetPath)
if err != nil {
panic(err)
}
return embedFileSystem{
FileSystem: http.FS(fsys),
}
}
|