[add] public dir PWA support

service/static.go

@@ -54,7 +54,13 @@ func (d Dir) Open(name string) (http.File, error) {
 		dir = "."
 	}
 
-	fullName := filepath.Join(dir, filepath.FromSlash(path.Clean("/"+name)))
+	name = path.Clean("/" + name)
+	fullName := filepath.Join(dir, filepath.FromSlash(name))
+	if isPWA() {
+		if filepath.Ext(fullName) == "" && fullName != dir {
+			fullName = filepath.Join(dir, "index.html")
+		}
+	}
 
 	// Close dir views Disable directory listing
 	stat, err := os.Stat(fullName)
@@ -101,6 +107,14 @@ func mapOpenError(originalErr error, name string, sep rune, stat func(string) (f
 	return originalErr
 }
 
+// rewrite path
+func isPWA() bool {
+	if share.App.Static == nil {
+		return false
+	}
+	return share.App.Static.PWA
+}
+
 // SetupAdmin setup admin static root
 func adminRoot() (string, int) {
 	if AdminRoot != "" {

share/types.go

@@ -81,9 +81,15 @@ type AppInfo struct {
 	Option      map[string]interface{} `json:"option,omitempty"`
 	XGen        string                 `json:"xgen,omitempty"`
 	AdminRoot   string                 `json:"adminRoot,omitempty"`
+	Static      *Static                `json:"public,omitempty"`
 	Optional    map[string]interface{} `json:"optional,omitempty"`
 }
 
+// Static setting
+type Static struct {
+	PWA bool `json:"pwa,omitempty"`
+}
+
 // AppStorage 应用存储
 type AppStorage struct {
 	Default string                 `json:"default"`