hook upload handler and add configurable path for augnlar2app

main.go

 //PathsConfig all system available pathes
 type PathsConfig struct {
 	CRMAttachment string `json:"crm_attachmeng"`
+	Angular2App   string `json:"angular2_app"`
 }
 
 //GlobalPath all global pathes configurations
-var GlobalPath = PathsConfig{"/tmp/"}
+var GlobalPath = PathsConfig{
+	"/tmp/",
+	"/mnt/data/workspace/angular.ts/wechat/ng2-admin/dist/"}
 
 func main() {
 	err := readConfig() //wechat API config
 		log.Fatal("unable to read crm_config.json, program quit")
 	}
 
-	//fs := http.FileServer(http.Dir("/mnt/data/workspace/angular.ts/ng2-admin/dist"))
-	fs := http.FileServer(http.Dir("/mnt/data/workspace/angular.ts/wechat/ng2-admin/dist"))
-	//http.Handle("/test", http.StripPrefix("/test", fs))
-	http.Handle("/", fs)
+	setupRootFileServer()
+
 	//setup handler
 	//http.HandleFunc("/", webrootHandler)
 	http.HandleFunc("/api", apiV1Main)
 	http.HandleFunc("/crmfiles/", crmAttachmentHandler)
 	http.ListenAndServe(":65500", nil)
 }
+
+func setupRootFileServer() {
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		http.ServeFile(w, r, GlobalPath.Angular2App+r.URL.Path[1:])
+	})
+
+	//fs := http.FileServer(http.Dir("/mnt/data/workspace/angular.ts/ng2-admin/dist"))
+	//http.Handle("/test", http.StripPrefix("/test", fs))
+
+	//fs := http.FileServer(http.Dir("/mnt/data/workspace/angular.ts/wechat/ng2-admin/dist"))
+	//http.Handle("/", fs)
+}