按照ionic的付費課程一步步來的，使用ionic serve命令起不來，內(nèi)容如下：F:\MyApp>ionic start lc --v2Creating Ionic app in folder F:\MyAppDownloading: https://github.com/drift[=============================] ?100%Downloading: https://github.com/drift[=============================] ?100%Installing npm packages...Adding initial native plugins[=============================] ?100%Saving your Ionic app state of platfoSaved platformSaved pluginsSaved package.json? ? ? ? ?Your Ionic app is ready to gSome helpful tips:Run your app in the browser (great fo? ionic serveRun on a device or simulator:? ionic run ios[android,browser]Test and share your app on device wit? http://view.ionic.ioBuild better Enterprise apps with exp? http://ionic.io/enterpriseNew! Add push notifications, live app? https://apps.ionic.io/signupNew to Ionic? Get started here: http:dF:\MyApp>cd lcF:\MyApp\lc>ionic serveRunning 'serve:before' npm script bef> ionic-hello-world@ watch F:\MyApp\l> ionic-app-scripts watch[15:56:58] ?ionic-app-scripts 0.0.23[15:56:58] ?watch started ...[15:56:58] ?build dev started ...[15:56:58] ?clean started ...[15:56:58] ?clean finished in 5 ms[15:56:58] ?copy started ...[15:56:58] ?typescript compiler start[15:56:58] ?lint started ...[15:56:58] ?copy finished in 81 ms[15:56:59] ?lint finished in 859 ms[15:57:02] ?typescript compiler ready[15:57:02] ?bundle dev started ...[15:57:12] ?bundle dev finished in 9.[15:57:12] ?sass started ...[15:57:14] ?sass finished in 1.80 s[15:57:14] ?build dev finished in 15.[15:57:14] ?watch ready in 16.00 s版本如下：C:\Users\misa>ionic -v2.1.0-beta.1C:\Users\misa>node -vv6.7.0C:\Users\misa>npm -v3.10.3